F16L1/00	7	Laying or reclaiming pipes; Repairing or joining pipes on or under water	F16L1/00	F16L1/00		995
F16L1/024	8	Laying or reclaiming pipes on land, e.g. above the ground (F16L1/12 takes precedence)	F16L1/024	F16L1/024		360
F16L1/0243	9	{above ground (F16L1/026 takes precedence)}	F16L1/024	F16L1/024		200
F16L1/0246	10	{at a certain height off the ground}	F16L1/024	F16L1/024		325
F16L1/026	9	in or on a frozen surface	F16L1/026	F16L1/026		75
F16L1/028	9	in the ground (F16L1/026 takes precedence)	F16L1/028	F16L1/028		2333
F16L1/032	10	the pipes being continuous (F16L1/038 takes precedence)	F16L1/032	F16L1/032		439
F16L1/036	10	the pipes being composed of sections of short length (F16L1/038 takes precedence)	F16L1/036	F16L1/036		1338
F16L1/038	10	the pipes being made in situ	F16L1/038	F16L1/038		317
F16L1/06	9	Accessories therefor, e.g. anchors	F16L1/06	F16L1/06		3025
F16L1/065	10	{fixed on or to vehicles}	F16L1/06	F16L1/06		281
F16L1/09	10	for bringing two tubular members closer to each other	F16L1/09	F16L1/09		789
F16L1/10	10	for aligning	F16L1/10	F16L1/10		750
F16L1/11	10	for the detection or protection of pipes in the ground	F16L1/11	F16L1/11		1324
F16L1/12	8	Laying or reclaiming pipes on or under water	F16L1/12	F16L1/12		364
F16L1/123	9	{Devices for the protection of pipes under water}	F16L1/12	F16L1/12		632
F16L1/126	9	{on or close to the surface}	F16L1/12	F16L1/12		46
F16L1/14	9	between the surface and the bottom	F16L1/14	F16L1/14		148
F16L1/15	10	vertically	F16L1/15	F16L1/15		208
F16L1/16	9	on the bottom	F16L1/16	F16L1/16		579
F16L1/161	10	{the pipe being composed of sections of short length}	F16L1/16	F16L1/16		172
F16L1/163	10	{by varying the apparent weight of the pipe during the laying operation}	F16L1/16	F16L1/16		197
F16L1/165	10	{by towing the pipe on or near the bottom}	F16L1/16	F16L1/16		148
F16L1/166	10	{Reclaiming pipes}	F16L1/16	F16L1/16		141
F16L1/168	10	{under ice}	F16L1/16	F16L1/16		17
F16L1/18	10	the pipes being S- or J-shaped and under tension during laying	F16L1/18	F16L1/18		187
F16L1/19	11	the pipes being J-shaped	F16L1/19	F16L1/19		289
F16L1/20	9	Accessories therefor, e.g. floats or weights	F16L1/20	F16L1/20		786
F16L1/201	10	{Anchor rods}	F16L1/20	F16L1/20		98
F16L1/202	10	{fixed on or to vessels}	F16L1/20	F16L1/20		172
F16L1/203	11	{the pipes being wound spirally prior to laying}	F16L1/20	F16L1/20		293
F16L1/205	11	{Pipe-laying ships (F16L1/225, F16L1/23 and F16L1/235 take precedence)}	F16L1/20	F16L1/20		133
F16L1/206	11	{Apparatus for forming or coating the pipes}	F16L1/20	F16L1/20		55
F16L1/207	11	{Pipe handling apparatus}	F16L1/20	F16L1/20		297
F16L1/225	10	Stingers	F16L1/225	F16L1/225		126
F16L1/23	10	Pipe tensioning apparatus	F16L1/23	F16L1/23		259
F16L1/235	10	Apparatus for controlling the pipe during laying	F16L1/235	F16L1/235		352
F16L1/24	10	Floats; Weights	F16L1/24	F16L1/24		698
F16L1/26	8	Repairing or joining pipes on or under water	F16L1/26	F16L1/26		1046
F16L1/265	9	{Underwater vehicles moving on the bottom}	F16L1/26	F16L1/26		60
F16L3/00	7	Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets (anchors for holding pipes on or under the ground F16L1/06; noise absorbers in the form of specially adapted hangers or supports F16L55/035; arrangements specially adapted for supporting insulated bodies F16L59/12)	F16L3/00	F16L3/00		2829
F16L3/003	8	{devices for holding the open end of a hose}	F16L3/00	F16L3/00		267
F16L3/006	8	{for pipes with a rectangular cross-section}	F16L3/00	F16L3/00		193
F16L3/01	8	for supporting or guiding the pipes, cables or protective tubing, between relatively movable points, e.g. movable channels	F16L3/01	F16L3/01		887
F16L3/012	9	{using reels}	F16L3/01	F16L3/01		201
F16L3/015	9	using articulated- or supple-guiding elements	F16L3/015	F16L3/015		545
F16L3/02	8	partly surrounding the pipes, cables or protective tubing (bands or chains F16L3/14)	F16L3/02	F16L3/02		1973
F16L3/04	9	and pressing it against a wall or other support	F16L3/04	F16L3/04		1647
F16L3/06	9	with supports for wires	F16L3/06	F16L3/06		558
F16L3/08	8	substantially surrounding the pipe, cable or protective tubing	F16L3/08	F16L3/08		1276
F16L3/085	9	{for pipes being in an angled relationship to each other}	F16L3/08	F16L3/08		221
F16L3/10	9	divided, i.e. with two members engaging the pipe, cable or protective tubing	F16L3/10	F16L3/10		2179
F16L3/1008	10	{with two members engaging the pipe, cable or tubing, both being made of thin band material completely surrounding the pipe (F16L3/1033 takes precedence)}	F16L3/10	F16L3/10		670
F16L3/1016	11	{the members being joined by means of two screws}	F16L3/10	F16L3/10		523
F16L3/1025	11	{the members being joined by quick-acting means}	F16L3/10	F16L3/10		326
F16L3/1033	10	{with two members engaging the pipe, cable or tubing, the two members being joined only on one side of the pipe}	F16L3/10	F16L3/10		309
F16L3/1041	11	{and being adapted to accommodate pipes of various diameters}	F16L3/10	F16L3/10		195
F16L3/105	10	{one member carrying a substantially radial tightening element}	F16L3/10	F16L3/10		163
F16L3/1058	10	{one member being flexible or elastic}	F16L3/10	F16L3/10		228
F16L3/1066	10	{with three or more members surrounding the pipe}	F16L3/10	F16L3/10		501
F16L3/1075	10	{with two members, the two members being joined with a hinge on one side and fastened together on the other side}	F16L3/10	F16L3/10		1031
F16L3/1083	10	{with two members, the two members being hooked in on one side and fastened together on the other side}	F16L3/10	F16L3/10		181
F16L3/1091	10	{with two members, the two members being fixed to each other with fastening members on each side}	F16L3/10	F16L3/10		1624
F16L3/11	10	and hanging from a pendant (F16L3/14 takes precedence)	F16L3/11	F16L3/11		959
F16L3/12	9	comprising a member substantially surrounding the pipe, cable or protective tubing	F16L3/12	F16L3/12		1621
F16L3/1203	10	{with a pair of arms moved automatically to closed position by overcenter spring}	F16L3/12	F16L3/12		109
F16L3/1207	10	{the ends of the member and the fixing elements being placed on both sides of the pipe}	F16L3/12	F16L3/12		148
F16L3/1211	10	{with a substantially radial tightening or securing member}	F16L3/12	F16L3/12		394
F16L3/1215	10	{the pipe being fixed by rotation of an element}	F16L3/12	F16L3/12		115
F16L3/1218	10	{the pipe being only supported and not fixed}	F16L3/12	F16L3/12		255
F16L3/1222	10	{the member having the form of a closed ring, e.g. used for the function of two adjacent pipe sections}	F16L3/12	F16L3/12		255
F16L3/1226	10	{elongated supports, e.g. to support a curved pipe}	F16L3/12	F16L3/12		305
F16L3/123	10	and extending along the attachment surface	F16L3/123	F16L3/123		210
F16L3/1233	11	{the member being of metal, with or without an other layer of other material}	F16L3/123	F16L3/123		312
F16L3/1236	11	{the member being of a material other than metal}	F16L3/123	F16L3/123		146
F16L3/127	10	and extending away from the attachment surface	F16L3/127	F16L3/127		534
F16L3/13	10	and engaging it by snap action {(F16L3/1203 takes precedence)}	F16L3/13	F16L3/13		1247
F16L3/133	10	and hanging from a pendant (F16L3/14 takes precedence)	F16L3/133	F16L3/133		609
F16L3/137	10	and consisting of a flexible band	F16L3/137	F16L3/137		1038
F16L3/14	8	Hangers in the form of bands or chains	F16L3/14	F16L3/14		1426
F16L3/16	8	with special provision allowing movement of the pipe (F16L3/01 takes precedence; supporting pipes or cables inside other pipes or sleeves F16L7/00)	F16L3/16	F16L3/16		1522
F16L3/18	9	allowing movement in axial direction	F16L3/18	F16L3/18		1118
F16L3/20	9	allowing movement in transverse direction	F16L3/20	F16L3/20		1421
F16L3/202	10	the transverse movement being converted to a rotational movement (F16L3/215 takes precedence)	F16L3/202	F16L3/202		226
F16L3/205	10	having supporting springs	F16L3/205	F16L3/205		278
F16L3/2053	11	{the axis of each spring being parallel with the direction of the movement of the pipe}	F16L3/205	F16L3/205		269
F16L3/2056	11	{the axis of at least one spring being oblique or perpendicular to the direction of the movement of the pipe}	F16L3/205	F16L3/205		474
F16L3/21	11	providing constant supporting spring force	F16L3/21	F16L3/21		79
F16L3/215	10	the movement being hydraulically or electrically controlled	F16L3/215	F16L3/215		171
F16L3/217	11	hydraulically	F16L3/217	F16L3/217		135
F16L3/22	8	specially adapted for supporting a number of parallel pipes at intervals	F16L3/22	F16L3/22		1124
F16L3/221	9	{having brackets connected together by means of a common support}	F16L3/22	F16L3/22		690
F16L3/222	9	{having single supports directly connected together}	F16L3/22	F16L3/22		530
F16L3/223	9	each support having one transverse base for supporting the pipes (F16L3/23, F16L3/237 take precedence)	F16L3/223	F16L3/223		1015
F16L3/2235	10	{each pipe being supported by a common element fastened to the base}	F16L3/223	F16L3/223		890
F16L3/227	10	each pipe being supported by a separate element fastened to the base	F16L3/227	F16L3/227		651
F16L3/23	9	for a bundle of pipes or a plurality of pipes placed side by side in contact with each other (F16L3/237 takes precedence)	F16L3/23	F16L3/23		694
F16L3/233	10	by means of a flexible band	F16L3/233	F16L3/233		776
F16L3/2332	11	{having a single plastic locking barb}	F16L3/233	F16L3/233		182
F16L3/2334	12	{the barb having a plurality of serrations}	F16L3/233	F16L3/233		255
F16L3/2336	11	{having two or more locking barbs (F16L3/2338 takes precedence)}	F16L3/233	F16L3/233		104
F16L3/2338	11	{having at least one metal locking barb}	F16L3/233	F16L3/233		39
F16L3/237	9	for two pipes	F16L3/237	F16L3/237		1354
F16L3/24	8	with special member for attachment to profiled girders	F16L3/24	F16L3/24		1184
F16L3/243	9	{the special member being inserted in the profiled girder}	F16L3/24	F16L3/24		704
F16L3/2431	10	{the special member being inserted and subsequently rotated to a limited extent}	F16L3/24	F16L3/24		224
F16L3/245	9	{the special member embracing the entire profiled girder}	F16L3/24	F16L3/24		164
F16L3/26	8	specially adapted for supporting the pipes all along their length, e.g. pipe channels or ducts	F16L3/26	F16L3/26		1219
F16L5/00	7	Devices for use where pipes, cables or protective tubing pass through walls or partitions (installations of electric cables or lines through walls, floors or ceilings H02G3/22)	F16L5/00	F16L5/00		2470
F16L5/02	8	Sealing<br><br><u>NOTE</u><br><br>Group F16L5/14 takes precedence over groups F16L5/022, F16L5/025, F16L5/027 andF16L5/04&#160;-&#160;F16L5/12.	F16L5/02	F16L5/02		2435
F16L5/022	9	{by welding}	F16L5/02	F16L5/02		188
F16L5/025	9	{the pipe being movable (F16L5/10 takes precedence)}	F16L5/02	F16L5/02		315
F16L5/027	9	{by means of a joint of the quick-acting type}	F16L5/02	F16L5/02		256
F16L5/04	9	to form a firebreak device	F16L5/04	F16L5/04		1690
F16L5/06	9	by means of a swivel nut compressing a ring or sleeve	F16L5/06	F16L5/06		576
F16L5/08	9	by means of axial screws compressing a ring or sleeve	F16L5/08	F16L5/08		853
F16L5/10	9	by using sealing rings or sleeves only	F16L5/10	F16L5/10		2163
F16L5/12	9	the pipe being cut in two pieces	F16L5/12	F16L5/12		238
F16L5/14	9	for double-walled or multi-channel pipes	F16L5/14	F16L5/14		657
F16L7/00	7	Supporting pipes or cables inside other pipes or sleeves, e.g. for enabling pipes or cables to be inserted or withdrawn from under roads or railways without interruption of traffic (sleeves for supporting pipes, cables or protective tubing, between relatively movable points F16L3/01)	F16L7/00	F16L7/00		953
F16L7/02	8	and sealing the pipes or cables inside the other pipes, cables or sleeves	F16L7/02	F16L7/02		383
F16L9/00	7	Rigid pipes	F16L9/00	F16L9/00		631
F16L9/003	8	{with a rectangular cross-section (ducting arrangements in air-conditioning or ventilation F24F13/02)}	F16L9/00	F16L9/00		730
F16L9/006	8	{specially profiled (F16L9/003 takes precedence)}	F16L9/00	F16L9/00		670
F16L9/01	8	of wood (F16L9/16&#160;-&#160;F16L9/22 take precedence)	F16L9/01	F16L9/01		140
F16L9/02	8	of metal (F16L9/16&#160;-&#160;F16L9/22 take precedence)	F16L9/02	F16L9/02		1967
F16L9/04	9	Reinforced pipes	F16L9/04	F16L9/04		558
F16L9/042	10	{the reinforcement comprising one or more layers of a helically wound cord, wire or strip (F16L9/047 takes precedence)}	F16L9/04	F16L9/04		61
F16L9/045	11	{using profiled strips}	F16L9/04	F16L9/04		19
F16L9/047	10	{comprising reinforcement rings}	F16L9/04	F16L9/04		30
F16L9/06	9	Corrugated pipes	F16L9/06	F16L9/06		463
F16L9/08	8	of concrete, cement, or asbestos cement, with or without reinforcement (F16L9/16&#160;-&#160;F16L9/22 take precedence)	F16L9/08	F16L9/08		691
F16L9/085	9	{Reinforced pipes}	F16L9/08	F16L9/08		171
F16L9/10	8	of glass or ceramics, e.g. clay, clay tile, porcelain (F16L9/16&#160;-&#160;F16L9/22 take precedence)	F16L9/10	F16L9/10		228
F16L9/105	9	{of glass}	F16L9/10	F16L9/10		40
F16L9/12	8	of plastics with or without reinforcement (F16L9/16&#160;-&#160;F16L9/22 take precedence)	F16L9/12	F16L9/12		2280
F16L9/121	9	{with three layers}	F16L9/12	F16L9/12		763
F16L9/123	9	{with four layers}	F16L9/12	F16L9/12		214
F16L9/125	9	{electrically conducting}	F16L9/12	F16L9/12		250
F16L9/127	9	the walls consisting of a single layer	F16L9/127	F16L9/127		421
F16L9/128	10	Reinforced pipes	F16L9/128	F16L9/128		419
F16L9/133	9	the walls consisting of two layers	F16L9/133	F16L9/133		806
F16L9/14	8	Compound tubes, i.e. made of materials not wholly covered by any one of the preceding groups (F16L9/16&#160;-&#160;F16L9/22 take precedence)	F16L9/14	F16L9/14		2487
F16L9/147	9	comprising only layers of metal and plastics with or without reinforcement	F16L9/147	F16L9/147		1628
F16L9/153	9	comprising only layers of metal and concrete with or without reinforcement	F16L9/153	F16L9/153		244
F16L9/16	8	wound from sheets or strips, with or without reinforcement	F16L9/16	F16L9/16		1257
F16L9/165	9	{of metal}	F16L9/16	F16L9/16		312
F16L9/17	8	obtained by bending a sheet longitudinally and connecting the edges	F16L9/17	F16L9/17		456
F16L9/18	8	Double-walled pipes; Multi-channel pipes or pipe assemblies	F16L9/18	F16L9/18		2252
F16L9/19	9	Multi-channel pipes or pipe assemblies	F16L9/19	F16L9/19		727
F16L9/20	10	{Pipe assemblies}	F16L9/19	F16L9/20		240
F16L9/21	8	made of sound-absorbing materials or with sound-absorbing structure	F16L9/21	F16L9/21		580
F16L9/22	8	Pipes composed of a plurality of segments	F16L9/22	F16L9/22		722
F16L11/00	7	Hoses, i.e. flexible pipes	F16L11/00	F16L11/00		700
F16L11/005	8	{consisting completely or partially of material other than fibres, plastics or metal}	F16L11/00	F16L11/00		99
F16L11/02	8	made of fibres or threads, e.g. of textile	F16L11/02	F16L11/02		699
F16L11/04	8	made of rubber or flexible plastics	F16L11/04	F16L11/04		1817
F16L11/042	9	{formed by bending a sheet and connecting the edges}	F16L11/04	F16L11/04		72
F16L11/045	9	{with four or more layers without reinforcement}	F16L11/04	F16L11/04		261
F16L2011/047	9	{with a diffusion barrier layer}	F16L11/04	F16L11/04		744
F16L11/06	9	with homogeneous wall (F16L11/11 takes precedence)	F16L11/06	F16L11/06		306
F16L11/08	9	with reinforcements embedded in the wall (F16L11/11 takes precedence)	F16L11/08	F16L11/08		1107
F16L11/081	10	{comprising one or more layers of a helically wound cord or wire (in combination with braided layers F16L11/088)}	F16L11/08	F16L11/08		650
F16L11/082	11	{two layers}	F16L11/08	F16L11/08		319
F16L11/083	11	{three or more layers}	F16L11/08	F16L11/08		635
F16L11/085	10	{comprising one or more braided layers (in combination with layers of a helically wound core or wire F16L11/088)}	F16L11/08	F16L11/08		1050
F16L11/086	11	{two layers}	F16L11/08	F16L11/08		340
F16L11/087	11	{three or more layers}	F16L11/08	F16L11/08		130
F16L11/088	10	{comprising a combination of one or more layers of a helically wound cord or wire with one or more braided layers}	F16L11/08	F16L11/08		358
F16L11/10	9	with reinforcements not embedded in the wall (F16L11/11 takes precedence)	F16L11/10	F16L11/10		819
F16L11/11	9	with corrugated wall	F16L11/11	F16L11/11		651
F16L11/111	10	{with homogeneous wall}	F16L11/11	F16L11/11		223
F16L11/112	10	having reinforcements embedded in the wall	F16L11/112	F16L11/112		488
F16L11/115	10	having reinforcements not embedded in the wall	F16L11/115	F16L11/115		433
F16L11/118	10	having arrangements for particular purposes, e.g. electrically conducting	F16L11/118	F16L11/118		321
F16L11/1185	11	{electrically conducting}	F16L11/118	F16L11/118		159
F16L11/12	9	with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting (F16L11/11 takes precedence)	F16L11/12	F16L11/12		1865
F16L11/121	10	{specially profiled cross sections}	F16L11/12	F16L11/12		425
F16L11/122	10	{Hoses provided with integrated fixing means, e.g. hooks}	F16L11/12	F16L11/12		158
F16L11/124	10	{Distinguishing marks for hoses}	F16L11/12	F16L11/12		162
F16L11/125	10	{non-inflammable or heat-resistant hoses}	F16L11/12	F16L11/12		342
F16L11/127	10	electrically conducting	F16L11/127	F16L11/127		869
F16L11/133	10	buoyant	F16L11/133	F16L11/133		273
F16L11/14	8	made of rigid material, e.g. metal or hard plastics	F16L11/14	F16L11/14		369
F16L11/15	9	corrugated (F16L11/16 takes precedence)	F16L11/15	F16L11/15		1210
F16L11/16	9	wound from profiled strips or bands	F16L11/16	F16L11/16		1118
F16L11/18	9	Articulated hoses, e.g. composed of a series of rings	F16L11/18	F16L11/18		384
F16L11/20	8	Double-walled hoses	F16L11/20	F16L11/20		629
F16L11/22	8	Multi-channel hoses	F16L11/22	F16L11/22		707
F16L11/24	8	wound from strips or bands (F16L11/16 takes precedence)	F16L11/24	F16L11/24		456
F16L11/26	8	made of sound-absorbing materials or with sound-absorbing structure	F16L11/26	F16L11/26		117
F16L13/00	7	Non-disconnectable pipe joints, e.g. soldered, adhesive, or caulked joints ({non-disconnectable pipe joints to walls or other pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of the other pipe F16L41/082;} joints for rigid pipes of plastics F16L47/00)	F16L13/00	F16L13/00		263
F16L13/002	8	{for pipes having a rectangular cross-section}	F16L13/00	F16L13/00		43
F16L13/004	8	{Shrunk pipe-joints}	F16L13/00	F16L13/00		204
F16L13/007	8	specially adapted for joining pipes of dissimilar materials {(joints between metal and plastic pipes F16L47/24)}	F16L13/007	F16L13/007		289
F16L13/013	9	Accessories therefor	F16L13/013	F16L13/013		18
F16L13/02	8	Welded joints	F16L13/02	F16L13/02		1332
F16L13/0209	9	{Male-female welded joints (F16L13/0245 and F16L13/0254 take precedence)}	F16L13/02	F16L13/02		244
F16L13/0218	9	{having an inner or outer ring (F16L13/0245 and F16L13/0254 take precedence)}	F16L13/02	F16L13/02		49
F16L13/0227	10	{having an inner ring}	F16L13/02	F16L13/02		119
F16L13/0236	10	{having an outer ring}	F16L13/02	F16L13/02		143
F16L13/0245	9	{with holes in the sleeve or spigot being filled with weld}	F16L13/02	F16L13/02		40
F16L13/0254	9	{the pipes having an internal or external coating}	F16L13/02	F16L13/02		40
F16L13/0263	10	{having an internal coating}	F16L13/02	F16L13/02		213
F16L13/0272	10	{having an external coating}	F16L13/02	F16L13/02		229
F16L13/0281	9	{cold welded}	F16L13/02	F16L13/02		27
F16L13/029	9	{for concrete pipes}	F16L13/02	F16L13/02		39
F16L13/04	9	with arrangements preventing overstressing	F16L13/04	F16L13/04		196
F16L13/06	10	with tension-relief of the weld by means of detachable members, e.g. divided tensioning rings, bolts in flanges	F16L13/06	F16L13/06		134
F16L13/08	8	Soldered joints	F16L13/08	F16L13/08		460
F16L13/10	8	Adhesive or cemented joints	F16L13/10	F16L13/10		166
F16L13/103	9	{Adhesive joints}	F16L13/10	F16L13/10		515
F16L13/106	9	{Tools}	F16L13/10	F16L13/10		131
F16L13/11	9	using materials which fill the space between parts of a joint before hardening	F16L13/11	F16L13/11		492
F16L13/113	10	{for concrete pipes}	F16L13/11	F16L13/11		201
F16L13/116	10	{for socket pipes}	F16L13/11	F16L13/11		213
F16L13/12	8	with a seal made of lead, caulked packing, or the like	F16L13/12	F16L13/12		116
F16L13/122	9	{for male-female connections (F16L13/124 and F16L13/126 take precedence)}	F16L13/12	F16L13/12		178
F16L13/124	9	{for concrete pipes}	F16L13/12	F16L13/12		48
F16L13/126	9	{Attachments}	F16L13/12	F16L13/12		60
F16L13/128	9	{Tools}	F16L13/12	F16L13/12		74
F16L13/14	8	made by plastically deforming the material of the pipe, e.g. by flanging, rolling	F16L13/14	F16L13/14		323
F16L13/141	9	{by crimping or rolling from the outside}	F16L13/14	F16L13/14		651
F16L13/142	10	{with a sealing element inserted into the female part before crimping or rolling}	F16L13/14	F16L13/14		426
F16L13/143	10	{with a sealing element placed around the male part before crimping or rolling}	F16L13/14	F16L13/14		307
F16L2013/145	9	{Tools specially adapted therefor}	F16L13/14	F16L13/14		129
F16L13/146	9	{by an axially moveable sleeve}	F16L13/14	F16L13/14		281
F16L13/147	9	{by radially expanding the inner part (F16L13/168 takes precedence)}	F16L13/14	F16L13/14		276
F16L13/148	9	{specially designed to ensure an intended leakage until correct deformation}	F16L13/14	F16L13/14		80
F16L13/16	9	the pipe joint consisting of overlapping extremities having mutually co-operating collars	F16L13/16	F16L13/16		130
F16L13/161	10	{the pipe or collar being deformed by crimping or rolling}	F16L13/16	F16L13/16		159
F16L13/163	11	{one collar being bent over the other}	F16L13/16	F16L13/16		77
F16L13/165	10	{the pipe or collar being deformed by an axially movable sleeve}	F16L13/16	F16L13/16		77
F16L13/166	10	{Deformed by radially expanding an inner part (F16L13/168 takes precedence)}	F16L13/16	F16L13/16		144
F16L13/168	10	{for screw threaded pipes}	F16L13/16	F16L13/16		64
F16L15/00	7	Screw-threaded joints; Forms of screw-threads for such joints	F16L15/00	F16L15/00		765
F16L15/001	8	{with conical threads}	F16L15/00	F16L15/00		724
F16L15/002	9	{with more than one threaded section}	F16L15/00	F16L15/00		140
F16L15/003	9	{with sealing rings}	F16L15/00	F16L15/00		343
F16L15/004	9	{with axial sealings having at least one plastically deformable sealing surface (with sealing rings F16L15/003)}	F16L15/00	F16L15/00		459
F16L15/005	8	{for thin-walled pipes having at least their extremities deformed so as to have the shape of screw-threads}	F16L15/00	F16L15/00		55
F16L15/006	8	{with straight threads}	F16L15/00	F16L15/00		931
F16L15/007	9	{with more than one threaded section}	F16L15/00	F16L15/00		185
F16L15/008	9	{with sealing rings}	F16L15/00	F16L15/00		766
F16L15/009	9	{with axial sealings having at least one plastically deformable sealing surface (with sealing rings F16L15/008)}	F16L15/00	F16L15/00		108
F16L15/02	8	allowing substantial longitudinal adjustment by the use of a long screw-threaded part	F16L15/02	F16L15/02		148
F16L15/04	8	with additional sealings	F16L15/04	F16L15/04		1342
F16L15/06	8	characterised by the shape of the screw-thread	F16L15/06	F16L15/06		364
F16L15/08	8	with supplementary elements (F16L15/04 takes precedence)	F16L15/08	F16L15/08		1195
F16L17/00	7	Joints with packing adapted to sealing by fluid pressure	F16L17/00	F16L17/00		223
F16L17/02	8	with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket	F16L17/02	F16L17/02		672
F16L17/025	9	the sealing rings having radially directed ribs	F16L17/025	F16L17/025		506
F16L17/03	9	having annular axial lips	F16L17/03	F16L17/03		58
F16L17/032	10	{the sealing rings having only one lip}	F16L17/03	F16L17/03		348
F16L17/035	10	the sealing rings having two lips parallel to each other	F16L17/035	F16L17/035		632
F16L17/04	9	with longitudinally split or divided sleeve	F16L17/04	F16L17/04		727
F16L17/06	8	with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges	F16L17/06	F16L17/06		362
F16L17/063	9	{forming a whole with the pipe or joint}	F16L17/06	F16L17/06		53
F16L17/067	9	Plastics sealing rings	F16L17/067	F16L17/067		193
F16L17/073	10	the sealing rings having two lips parallel to each other	F16L17/073	F16L17/073		146
F16L17/08	9	Metal sealing rings	F16L17/08	F16L17/08		168
F16L17/10	8	the packing being sealed by the pressure of a fluid other than the fluid in or surrounding the pipe	F16L17/10	F16L17/10		498
F16L19/00	7	Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts (F16L17/00 takes precedence; if using bolts or equivalent connecting means F16L23/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00{; specially adapted for pipes of brittle material F16L49/06})	F16L19/00	F16L19/00		573
F16L19/005	8	{comprising locking means for the threaded member}	F16L19/00	F16L19/00		814
F16L19/02	8	Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member	F16L19/02	F16L19/02		925
F16L19/0206	9	{the collar not being integral with the pipe}	F16L19/02	F16L19/02		981
F16L19/0212	9	{using specially adapted sealing means}	F16L19/02	F16L19/02		740
F16L19/0218	10	{comprising only sealing rings}	F16L19/02	F16L19/02		1362
F16L19/0225	10	{without sealing rings}	F16L19/02	F16L19/02		331
F16L19/0231	9	{with specially adapted means for positioning the threaded member behind the collar}	F16L19/02	F16L19/02		438
F16L19/0237	9	{specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like}	F16L19/02	F16L19/02		298
F16L19/0243	9	{specially adapted for use with coated pipes}	F16L19/02	F16L19/02		89
F16L19/025	9	the pipe ends having integral collars or flanges	F16L19/025	F16L19/025		702
F16L19/028	10	the collars or flanges being obtained by deformation of the pipe wall	F16L19/028	F16L19/028		376
F16L19/0283	11	{and having a bell-mouthed shape}	F16L19/028	F16L19/028		202
F16L19/0286	11	{and being formed as a flange}	F16L19/028	F16L19/028		233
F16L19/04	8	using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection	F16L19/04	F16L19/04		782
F16L19/041	9	{the ring being an insert (F16L19/043 takes precedence)}	F16L19/04	F16L19/04		175
F16L19/043	9	{with additional sealing means}	F16L19/04	F16L19/04		98
F16L19/045	10	{consisting of cutting edges on one of the connecting parts which penetrate into the wall of the pipe}	F16L19/04	F16L19/04		123
F16L19/046	10	{consisting of a soft ring}	F16L19/04	F16L19/04		70
F16L19/048	9	{specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like}	F16L19/04	F16L19/04		49
F16L19/05	9	with a rigid pressure ring between the screwed member and the exterior of the flared pipe end	F16L19/05	F16L19/05		177
F16L19/055	10	{the pressure ring being rotatably connected to the threaded member}	F16L19/05	F16L19/05		28
F16L19/06	8	in which radial clamping is obtained by wedging action on non-deformed pipe ends	F16L19/06	F16L19/06		542
F16L19/061	9	{a pressure ring being arranged between the clamping ring and the threaded member or the connecting member}	F16L19/06	F16L19/06		591
F16L19/062	9	{specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like}	F16L19/06	F16L19/06		137
F16L19/063	9	{by means of conical threaded surfaces}	F16L19/06	F16L19/06		75
F16L19/065	9	the wedging action being effected by means of a ring	F16L19/065	F16L19/065		982
F16L19/0653	10	{the ring being rotatably connected to one of the connecting parts}	F16L19/065	F16L19/065		139
F16L19/0656	10	{integral with one of the connecting parts}	F16L19/065	F16L19/065		112
F16L19/07	9	adapted for use in socket or sleeve connections	F16L19/07	F16L19/07		382
F16L19/075	9	specially adapted for spigot-and-socket joints {for pipes of the same diameter}	F16L19/075	F16L19/075		362
F16L19/08	8	with metal rings which bite into the wall of the pipe {(F16L19/045 takes precedence)}	F16L19/08	F16L19/08		501
F16L19/083	9	{the longitudinal cross-section of the ring not being modified during clamping}	F16L19/08	F16L19/08		190
F16L19/086	10	{with additional sealing means}	F16L19/08	F16L19/08		502
F16L19/10	9	the profile of the ring being altered	F16L19/10	F16L19/10		693
F16L19/103	10	{with more than one ring per pipe end being used}	F16L19/10	F16L19/10		181
F16L19/106	10	{the ring comprising a shoulder against which the pipe end abuts}	F16L19/10	F16L19/10		89
F16L19/12	10	with additional sealing means	F16L19/12	F16L19/12		307
F16L19/14	10	the rings being integral with one of the connecting parts	F16L19/14	F16L19/14		140
F16L21/00	7	Joints with sleeve or socket (F16L13/00, {F16L15/00,}F16L17/00, F16L19/00 take precedence; {joints for pipes made of reinforced concrete F16L25/0027;} connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00)	F16L21/00	F16L21/00		1329
F16L21/002	8	{Sleeves or nipples for pipes of the same diameter; Reduction pieces (F16L27/00, F16L37/00 take precedence; with elastic sealing rings F16L21/022)}	F16L21/00	F16L21/00		801
F16L21/005	9	{made of elastic material, e.g. partly or completely surrounded by clamping devices (comprising packing adapted to sealing by fluid pressure F16L17/04)}	F16L21/00	F16L21/00		1138
F16L21/007	8	{clamped by a wedging action (F16L27/00, F16L37/092, F16L37/122, F16L37/123, F16L37/15, F16L37/16 take precedence)}	F16L21/00	F16L21/00		304
F16L21/02	8	with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings (F16L21/06, F16L21/08 take precedence; if adjustability is essential F16L27/00)	F16L21/02	F16L21/02		1593
F16L21/022	9	{used with sleeves or nipples for pipes of the same diameter, or with reduction pieces (F16L21/025 takes precedence)}	F16L21/02	F16L21/02		887
F16L21/025	9	Rolling sealing rings	F16L21/025	F16L21/025		585
F16L21/03	9	placed in the socket before connection ({F16L21/022,}F16L21/025 take precedence)	F16L21/03	F16L21/03		1531
F16L21/035	9	placed around the spigot end before connection ({F16L21/022,}F16L21/025 take precedence)	F16L21/035	F16L21/035		810
F16L21/04	9	in which sealing rings are compressed by axially-movable members	F16L21/04	F16L21/04		1465
F16L21/045	10	{the members passing through the sealing rings}	F16L21/04	F16L21/04		78
F16L21/05	9	comprising a first ring being placed on a male part and a second ring in the sleeve or socket	F16L21/05	F16L21/05		88
F16L21/06	8	with a divided sleeve or ring clamping around the pipe ends (flanged joints F16L23/00; couplings of the quick-acting type F16L37/00)	F16L21/06	F16L21/06		1817
F16L21/065	9	{tightened by tangentially-arranged threaded pins}	F16L21/06	F16L21/06		1293
F16L21/08	8	with additional locking means (F16L21/06 takes precedence; couplings of the quick-acting type F16L37/00)	F16L21/08	F16L21/08		3613
F16L23/00	7	Flanged joints (F16L13/00, F16L17/00, F16L19/00 take precedence; adjustable joints F16L27/00; for hoses F16L33/00; couplings of the quick-acting type F16L37/00; for double-walled or multi-channel pipes, or pipe assemblies F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00)	F16L23/00	F16L23/00		518
F16L23/003	8	{Auxiliary devices}	F16L23/00	F16L23/00		965
F16L23/006	8	{Attachments}	F16L23/00	F16L23/00		652
F16L23/02	8	the flanges being connected by members tensioned axially (F16L23/12 takes precedence)	F16L23/02	F16L23/02		1819
F16L23/024	9	characterised by how the flanges are joined to, or form an extension of, the pipes	F16L23/024	F16L23/024		2084
F16L23/026	10	by welding	F16L23/026	F16L23/026		527
F16L23/028	10	the flanges being held against a shoulder	F16L23/028	F16L23/028		192
F16L23/0283	11	{the collar being integral with the pipe}	F16L23/028	F16L23/028		475
F16L23/0286	11	{the shoulder not being formed from the pipe}	F16L23/028	F16L23/028		369
F16L23/032	9	characterised by the shape or composition of the flanges	F16L23/032	F16L23/032		3016
F16L23/036	9	characterised by the tensioning members, e.g. specially adapted bolts or C-clamps	F16L23/036	F16L23/036		1364
F16L23/04	8	the flanges being connected by members tensioned in the radial plane (F16L23/12 takes precedence)	F16L23/04	F16L23/04		877
F16L23/06	9	connected by toggle-action levers (quick acting couplings tightened by toggle-action levers F16L37/20)	F16L23/06	F16L23/06		375
F16L23/08	9	connection by tangentially arranged pin and nut	F16L23/08	F16L23/08		907
F16L23/10	10	with a pivoting or swinging pin	F16L23/10	F16L23/10		536
F16L23/12	8	specially adapted for particular pipes	F16L23/12	F16L23/12		354
F16L23/125	9	{with an internal or external coating}	F16L23/12	F16L23/12		199
F16L23/14	9	for rectangular pipes	F16L23/14	F16L23/14		644
F16L23/16	8	characterised by the sealing means	F16L23/16	F16L23/16		1196
F16L23/162	9	{the pipe ends abutting each other}	F16L23/16	F16L23/16		334
F16L23/165	9	{comprising a viscous mass, e.g. hardenable}	F16L23/16	F16L23/16		116
F16L23/167	9	{in connection with the appearance or detection of leaks}	F16L23/16	F16L23/16		412
F16L23/18	9	the sealing means being rings	F16L23/18	F16L23/18		2428
F16L23/20	10	made exclusively of metal	F16L23/20	F16L23/20		705
F16L23/22	10	made exclusively of a material other than metal	F16L23/22	F16L23/22		1196
F16L23/24	9	specially adapted for unequal expansion of the parts of the joint	F16L23/24	F16L23/24		133
F16L25/00	7	Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00(adjustable or allowing movement F16L27/00; with fluid cut-off means F16L29/00; quick-acting F16L37/00; for double-walled or multi-channel pipes F16L39/00; connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00; specially adapted for pipes of brittle material F16L49/00)	F16L25/00	F16L25/00		546
F16L25/0009	8	{Joints for pipes with a square or rectangular cross-section}	F16L25/00	F16L25/00		221
F16L25/0018	8	{Abutment joints}	F16L25/00	F16L25/00		266
F16L25/0027	8	{Joints for pipes made of reinforced concrete}	F16L25/00	F16L25/00		449
F16L25/0036	8	{Joints for corrugated pipes}	F16L25/00	F16L25/00		1104
F16L25/0045	9	{of the quick-acting type}	F16L25/00	F16L25/00		486
F16L25/0054	9	{with specially shaped sealing rings}	F16L25/00	F16L25/00		173
F16L25/0063	9	{with two corrugated pipes being directly connected to each other}	F16L25/00	F16L25/00		146
F16L25/0072	8	{Joints for pipes of dissimilar materials (joints between metal and plastic pipes F16L47/24)}	F16L25/00	F16L25/00		198
F16L25/0081	8	{Pipe joints comprising a liquid or fusible seal}	F16L25/00	F16L25/00		27
F16L25/009	8	{Combination of a quick-acting type coupling and a conventional one}	F16L25/00	F16L25/00		166
F16L25/01	8	specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof	F16L25/01	F16L25/01		931
F16L25/02	8	specially adapted for electrically insulating the two pipe ends of the joint from each other	F16L25/02	F16L25/02		200
F16L25/021	9	{for screw-threaded joints}	F16L25/02	F16L25/02		117
F16L25/023	9	{for joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts}	F16L25/02	F16L25/02		175
F16L25/025	9	{for joints with sleeve or socket}	F16L25/02	F16L25/02		75
F16L25/026	9	{for flanged joints}	F16L25/02	F16L25/02		226
F16L25/028	9	{for branching pipes, for joining pipes to walls}	F16L25/02	F16L25/02		36
F16L25/03	9	in non-disconnectable pipe joints	F16L25/03	F16L25/03		182
F16L25/04	8	comprising a collar or ring having a threaded pin rigid with the pipe-encircling member	F16L25/04	F16L25/04		177
F16L25/06	8	comprising radial locking means	F16L25/06	F16L25/06		126
F16L25/065	9	{the locking means being actuated by radial screws}	F16L25/06	F16L25/06		182
F16L25/08	9	in the form of screws, nails or the like	F16L25/08	F16L25/08		289
F16L25/10	8	Sleeveless joints between two pipes, one being introduced into the other	F16L25/10	F16L25/10		496
F16L25/12	8	Joints for pipes being spaced apart axially	F16L25/12	F16L25/12		438
F16L25/14	8	Joints for pipes of different diameters or cross-section	F16L25/14	F16L25/14		1304
F16L27/00	7	Adjustable joints; Joints allowing movement (of the quick-acting type F16L37/50; for double-walled or multi-channel pipes or pipe assemblies F16L39/04{; specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/18; specially adapted for pipes of brittle material F16L49/08})	F16L27/00	F16L27/00		395
F16L27/02	8	Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction	F16L27/02	F16L27/02		338
F16L27/023	9	{Universal and rotating joints}	F16L27/02	F16L27/02		206
F16L27/026	9	{Universal and axially displaceable joints}	F16L27/02	F16L27/02		276
F16L27/04	9	with partly-spherical engaging surfaces	F16L27/04	F16L27/04		1065
F16L27/042	10	{comprising two pipes normally at right angles to each other}	F16L27/04	F16L27/04		51
F16L27/044	10	{specially adapted for tubing between vehicles}	F16L27/04	F16L27/04		50
F16L27/047	10	held in place by a screwed member having an internal spherical surface	F16L27/047	F16L27/047		282
F16L27/053	10	held in place by bolts passing through flanges	F16L27/053	F16L27/053		414
F16L27/06	10	with special sealing means between the engaging surfaces	F16L27/06	F16L27/06		518
F16L27/067	11	the sealing means being actuated by the medium pressure	F16L27/067	F16L27/067		118
F16L27/073	11	one of the cooperating surfaces forming the sealing means	F16L27/073	F16L27/073		312
F16L27/08	8	allowing adjustment or movement only about the axis of one pipe	F16L27/08	F16L27/08		797
F16L27/0804	9	{the fluid passing axially from one joint element to another}	F16L27/08	F16L27/08		411
F16L27/0808	10	{the joint elements extending coaxially for some distance from their point of separation}	F16L27/08	F16L27/08		265
F16L27/0812	11	{with slide bearings}	F16L27/08	F16L27/08		258
F16L27/0816	12	{having radial sealing}	F16L27/08	F16L27/08		469
F16L27/082	12	{having axial sealing}	F16L27/08	F16L27/08		290
F16L27/0824	11	{with ball or roller bearings}	F16L27/08	F16L27/08		280
F16L27/0828	12	{having radial bearings}	F16L27/08	F16L27/08		617
F16L27/0832	12	{having axial bearings}	F16L27/08	F16L27/08		189
F16L27/0837	10	{the joint elements being bends}	F16L27/08	F16L27/08		74
F16L27/0841	11	{forming an angle of less than 90 degrees}	F16L27/08	F16L27/08		100
F16L27/0845	11	{forming an angle of 90 degrees}	F16L27/08	F16L27/08		278
F16L27/0849	9	{the fluid being turned through an angle when passing from one joint element to another}	F16L27/08	F16L27/08		542
F16L27/0853	10	{with spherical hinge}	F16L27/08	F16L27/08		52
F16L27/0857	10	{with hinge and bellows sealing}	F16L27/08	F16L27/08		166
F16L27/0861	9	{Arrangements of joints with one another and with pipes or hoses}	F16L27/08	F16L27/08		376
F16L27/0865	10	{between vehicles}	F16L27/08	F16L27/08		30
F16L27/087	9	Joints with radial fluid passages	F16L27/087	F16L27/087		571
F16L27/093	10	of the "banjo" type, i.e. pivoting right-angle couplings	F16L27/093	F16L27/093		498
F16L27/10	8	comprising a flexible connection only	F16L27/10	F16L27/10		265
F16L27/1004	9	{introduced in exhaust pipes for hot gases}	F16L27/10	F16L27/10		358
F16L27/1008	9	{comprising a swivel nut or collar engaging the pipe}	F16L27/10	F16L27/10		107
F16L27/1012	9	{Flanged joints}	F16L27/10	F16L27/10		345
F16L27/1017	9	{Joints with sleeve or socket}	F16L27/10	F16L27/10		312
F16L27/1021	9	{comprising an intermediate resilient element, e.g. a ring}	F16L27/10	F16L27/10		255
F16L27/1025	9	{Abutment joints}	F16L27/10	F16L27/10		38
F16L27/103	9	in which a flexible element, e.g. a rubber-metal laminate, which undergoes constraints consisting of shear and flexure, is sandwiched between partly curved surfaces	F16L27/103	F16L27/103		96
F16L27/107	9	the ends of the pipe being interconnected by a flexible sleeve	F16L27/107	F16L27/107		455
F16L27/108	10	the sleeve having the form of a bellows with only one corrugation	F16L27/108	F16L27/108		154
F16L27/1085	11	{the bellows being externally or internally reinforced}	F16L27/108	F16L27/108		44
F16L27/11	10	the sleeve having the form of a bellows with multiple corrugations	F16L27/11	F16L27/11		729
F16L27/111	11	the bellows being reinforced	F16L27/111	F16L27/111		489
F16L27/113	9	the ends of the pipe being interconnected by a rigid sleeve	F16L27/113	F16L27/113		201
F16L27/1133	10	{the sleeve being longitudinally divided}	F16L27/113	F16L27/113		57
F16L27/1136	10	{the sleeve comprising a screwed member}	F16L27/113	F16L27/113		51
F16L27/12	8	allowing substantial longitudinal adjustment or movement (by use of screw-thread F16L15/02)	F16L27/12	F16L27/12		1768
F16L27/125	9	{having longitudinal and rotary movement}	F16L27/12	F16L27/12		292
F16L27/127	9	{with means for locking the longitudinal adjustment or movement in the final mounted position}	F16L27/12	F16L27/12		209
F16L27/1273	10	{by quick-acting means}	F16L27/12	F16L27/12		128
F16L27/1274	10	{by means of a swivel nut}	F16L27/12	F16L27/12		275
F16L27/1275	10	{by means of at least an external threaded bolt}	F16L27/12	F16L27/12		197
F16L27/12751	11	{the threaded bolt extending longitudinally}	F16L27/12	F16L27/12		423
F16L29/00	7	Joints with fluid cut-off means (quick-acting joints with cut-off means F16L37/28)	F16L29/00	F16L29/00		1064
F16L29/002	8	{joints with taps}	F16L29/00	F16L29/00		191
F16L29/005	8	{joints with cut-off devices which can be perforated}	F16L29/00	F16L29/00		92
F16L29/007	8	{Joints with cut-off devices controlled separately}	F16L29/00	F16L29/00		366
F16L29/02	8	with a cut-off device in one of the two pipe ends, the cut-off device being automatically opened when the coupling is applied	F16L29/02	F16L29/02		773
F16L29/04	8	with a cut-off device in each of the two pipe ends, the cut-off devices being automatically opened when the coupling is applied	F16L29/04	F16L29/04		738
F16L31/00	7	Arrangements for connecting hoses to one another or to flexible sleeves (F16L33/00 takes precedence)	F16L31/00	F16L31/00		515
F16L31/02	8	for branching hoses	F16L31/02	F16L31/02		117
F16L33/00	7	Arrangements for connecting hoses to rigid members; Rigid hose-connectors, i.e. single members engaging both hoses (connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/00)	F16L33/00	F16L33/00		977
F16L33/003	8	{comprising elements arranged in the hose walls}	F16L33/00	F16L33/00		119
F16L33/006	8	{for hoses of plastics other than artificial rubber}	F16L33/00	F16L33/00		141
F16L33/01	8	specially adapted for hoses having a multi-layer wall	F16L33/01	F16L33/01		1006
F16L33/02	8	Hose-clips	F16L33/02	F16L33/02		1245
F16L33/021	9	{with the ends bent around each other}	F16L33/02	F16L33/02		65
F16L33/023	9	{fixed by bending one end of the strap}	F16L33/02	F16L33/02		57
F16L33/025	9	tightened by deforming radially extending loops or folds	F16L33/025	F16L33/025		349
F16L33/03	9	Self-locking elastic clips	F16L33/03	F16L33/03		441
F16L33/035	9	fixed by means of teeth or hooks	F16L33/035	F16L33/035		625
F16L33/04	9	tightened by tangentially-arranged threaded pin and nut	F16L33/04	F16L33/04		1057
F16L33/06	10	in which the threaded pin is rigid with the hose-encircling member	F16L33/06	F16L33/06		185
F16L33/08	9	in which a worm coacts with a part of the hose-encircling member that is toothed like a worm-wheel	F16L33/08	F16L33/08		750
F16L33/085	10	{with a scroll-type screw}	F16L33/08	F16L33/08		49
F16L33/10	9	with a substantially-radial tightening member	F16L33/10	F16L33/10		282
F16L33/12	9	with a pivoted or swinging tightening or securing member, e.g. toggle lever	F16L33/12	F16L33/12		495
F16L33/14	9	with a taping-bolt, i.e. winding up the end of the hose-encircling member	F16L33/14	F16L33/14		165
F16L33/16	8	with sealing or securing means using fluid pressure	F16L33/16	F16L33/16		204
F16L33/18	8	characterised by the use of additional sealing means	F16L33/18	F16L33/18		747
F16L33/20	8	Undivided rings, sleeves, or like members contracted on the hose or expanded inside the hose by means of tools; Arrangements using such members	F16L33/20	F16L33/20		231
F16L33/207	9	only a sleeve being contracted on the hose	F16L33/207	F16L33/207		372
F16L33/2071	10	{the sleeve being a separate connecting member}	F16L33/207	F16L33/207		430
F16L33/2073	11	{directly connected to the rigid member}	F16L33/207	F16L33/207		314
F16L33/2075	12	{by quick acting}	F16L33/207	F16L33/207		106
F16L33/2076	12	{by plastic deformation}	F16L33/207	F16L33/207		714
F16L33/2078	11	{connected to the rigid member via an intermediate element}	F16L33/207	F16L33/207		171
F16L33/213	9	only a sleeve being expanded inside the hose	F16L33/213	F16L33/213		260
F16L33/22	8	with means not mentioned in the preceding groups for gripping the hose between inner and outer parts	F16L33/22	F16L33/22		890
F16L33/221	9	{the external piece comprising segments hingedly connected to an interior part}	F16L33/22	F16L33/22		91
F16L33/222	9	{the external piece comprising segments pressed against the hose by wedge shaped elements}	F16L33/22	F16L33/22		418
F16L33/223	9	{the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts}	F16L33/22	F16L33/22		704
F16L33/224	10	{a clamping ring being arranged between the threaded member and the connecting member}	F16L33/22	F16L33/22		708
F16L33/225	9	{a sleeve being movable axially}	F16L33/22	F16L33/22		525
F16L33/226	10	{the sleeve being screwed over the hose}	F16L33/22	F16L33/22		73
F16L33/227	9	{the hose being introduced into or onto the connecting member and automatically locked (F16L37/084 takes precedence)}	F16L33/22	F16L33/22		320
F16L33/228	9	{a flexible wire being coiled upon the hose}	F16L33/22	F16L33/22		46
F16L33/23	9	the outer parts being segmented, the segments being pressed against the hose by tangentially arranged members	F16L33/23	F16L33/23		219
F16L33/24	8	with parts screwed directly on or into the hose (F16L33/22 takes precedence)	F16L33/24	F16L33/24		1040
F16L33/245	9	{the inner or outer part being moulded in situ}	F16L33/24	F16L33/24		46
F16L33/26	8	specially adapted for hoses made of metal	F16L33/26	F16L33/26		695
F16L33/28	8	for hoses with one end terminating in a radial flange or collar	F16L33/28	F16L33/28		504
F16L33/30	8	comprising parts inside the hoses only (F16L33/24 takes precedence)	F16L33/30	F16L33/30		571
F16L33/32	8	comprising parts outside the hoses only (F16L33/24 takes precedence)	F16L33/32	F16L33/32		311
F16L33/34	8	with bonding obtained by vulcanisation, gluing, melting, or the like	F16L33/34	F16L33/34		360
F16L35/00	7	Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices	F16L35/00	F16L35/00		1142
F16L35/005	8	{Nozzles}	F16L35/00	F16L35/00		133
F16L37/00	7	Couplings of the quick-acting type ({devices for use where pipes pass through walls by means of a joint of the quick acting type F16L5/027;} radially-binding sleeves F16L17/04, F16L21/06; connecting hoses to rigid members F16L33/00)	F16L37/00	F16L37/00		502
F16L37/002	8	{which can be controlled at a distance}	F16L37/00	F16L37/00		599
F16L37/004	8	{using magnets}	F16L37/00	F16L37/00		209
F16L37/006	8	{plug-cocks}	F16L37/00	F16L37/00		52
F16L37/008	8	{for branching pipes; for joining pipes to walls}	F16L37/00	F16L37/00		661
F16L37/02	8	in which the connection is maintained only by friction of the parts being joined (F16L37/22 takes precedence)	F16L37/02	F16L37/02		474
F16L37/025	9	{with an inner elastic part pressed against an outer part by reason of its elasticity}	F16L37/02	F16L37/02		226
F16L37/04	9	with an elastic outer part pressing against an inner part by reason of its elasticity (with locking members F16L37/08)	F16L37/04	F16L37/04		335
F16L37/05	10	tightened by the pressure of a mechanical organ	F16L37/05	F16L37/05		298
F16L37/06	10	tightened by fluid pressure	F16L37/06	F16L37/06		130
F16L37/08	8	in which the connection between abutting or axially overlapping ends is maintained by locking members (F16L37/22&#160;-&#160;F16L37/26 take precedence)	F16L37/08	F16L37/08		689
F16L37/082	9	{using an element which is hinged on one end of the pipe-ends and which is maintained in locked position by a screw tightened against the other pipe-end}	F16L37/08	F16L37/08		49
F16L37/084	9	combined with automatic locking	F16L37/084	F16L37/084		1150
F16L37/0841	10	{by means of a transversally slidable locking member surrounding the tube}	F16L37/084	F16L37/084		420
F16L37/0842	10	{by means of a ring which is split into a plurality of component parts which are held in place by means of a resilient ring member}	F16L37/084	F16L37/084		160
F16L37/0844	10	{by means of a ring pivoting so as to lie against the tube}	F16L37/084	F16L37/084		87
F16L37/0845	10	{by means of retaining members associated with the packing member}	F16L37/084	F16L37/084		277
F16L37/0847	10	{by means of hooks (F16L37/096, F16L37/098 take precedence)}	F16L37/084	F16L37/084		186
F16L37/0848	11	{rocking freely}	F16L37/084	F16L37/084		78
F16L37/086	10	by means of latching members pushed radially by spring-like elements {(radially moved latching members forming a ring F16L37/0841)}	F16L37/086	F16L37/086		527
F16L37/088	10	by means of a split elastic ring	F16L37/088	F16L37/088		748
F16L37/0885	11	{with access to the split elastic ring from a radial or tangential opening in the coupling}	F16L37/088	F16L37/088		732
F16L37/0887	11	{with an axially movable separate member for releasing the coupling}	F16L37/088	F16L37/088		149
F16L37/091	10	by means of a ring provided with teeth or fingers	F16L37/091	F16L37/091		1240
F16L37/0915	11	{with a separate member for releasing the coupling}	F16L37/091	F16L37/091		475
F16L37/092	10	by means of elements wedged between the pipe and the frusto-conical surface of the body of the connector	F16L37/092	F16L37/092		351
F16L37/0925	11	{with rings which bite into the wall of the pipe}	F16L37/092	F16L37/092		938
F16L37/0926	11	{with an inner support sleeve arranged within the pipe}	F16L37/092	F16L37/092		339
F16L37/0927	11	{the wedge element being axially displaceable for releasing the coupling}	F16L37/092	F16L37/092		668
F16L37/096	10	by means of hooks hinged about an axis	F16L37/096	F16L37/096		234
F16L37/098	10	by means of flexible hooks	F16L37/098	F16L37/098		498
F16L37/0982	11	{with a separate member for releasing the coupling}	F16L37/098	F16L37/098		299
F16L37/0985	11	{the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part (F16L37/0982 takes precedence)}	F16L37/098	F16L37/098		853
F16L37/0987	12	{the flexible hook being progressively compressed by axial tensile loads acting on the coupling}	F16L37/098	F16L37/098		395
F16L37/10	9	using a rotary external sleeve or ring on one part	F16L37/10	F16L37/10		217
F16L37/101	10	{in which the coupling is coaxial with the pipe}	F16L37/10	F16L37/10		310
F16L37/103	10	{the connection being maintained by the eccentricity of the two parts of the joint}	F16L37/10	F16L37/10		39
F16L37/105	10	{the rotating sleeve having on its inner surface several axially spaced and circumferentially discontinuous threads which engage with the threads on the male part which are also spaced axially and circumferentially discontinuous}	F16L37/10	F16L37/10		60
F16L37/107	10	Bayonet-type couplings	F16L37/107	F16L37/107		383
F16L37/113	10	the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part	F16L37/113	F16L37/113		747
F16L37/12	9	using hooks, pawls, or other movable or insertable locking members (F16L37/084 takes precedence)	F16L37/12	F16L37/12		994
F16L37/1205	10	{using hooks hinged about an axis placed behind a flange and which act behind the other flange}	F16L37/12	F16L37/12		174
F16L37/121	10	{using freely rocking hooks (F16L37/1215 takes precedence)}	F16L37/12	F16L37/12		97
F16L37/1215	10	{using hooks provided with a screw-thread adapted to engage and mesh with an appropriate corresponding part}	F16L37/12	F16L37/12		196
F16L37/122	10	{using hooks tightened by a wedge section}	F16L37/12	F16L37/12		228
F16L37/1225	10	{using a retaining member the extremities of which, e.g. in the form of a U, engage behind a shoulder of both parts}	F16L37/12	F16L37/12		497
F16L37/123	10	{using a retaining member in the form of a wedge}	F16L37/12	F16L37/12		157
F16L37/1235	10	{the connection taking place from inside the pipes}	F16L37/12	F16L37/12		94
F16L37/124	10	using bolts, fixed to a flange, which are able to tilt in slots of another flange, and being maintained there by the tightening of nuts	F16L37/124	F16L37/124		27
F16L37/127	10	using hooks hinged about an axis {(F16L37/1215 takes precedence)}	F16L37/127	F16L37/127		287
F16L37/133	10	using flexible hooks {(F16L37/1215 takes precedence)}	F16L37/133	F16L37/133		343
F16L37/138	10	using an axially movable sleeve	F16L37/138	F16L37/138		466
F16L37/14	10	Joints secured by inserting between mating surfaces an element, e.g. a piece of wire, a pin, a chain	F16L37/14	F16L37/14		253
F16L37/142	11	{where the securing element is inserted tangentially}	F16L37/14	F16L37/14		60
F16L37/144	12	{the securing element being U-shaped}	F16L37/14	F16L37/14		973
F16L37/146	12	{the securing element being a rigid pin, screw or the like}	F16L37/14	F16L37/14		162
F16L37/148	12	{the securing element being flexible (F16L37/144 takes precedence)}	F16L37/14	F16L37/14		324
F16L37/15	11	the element being a wedge	F16L37/15	F16L37/15		38
F16L37/16	10	Joints tightened by the action of wedge-shaped hinged hooks	F16L37/16	F16L37/16		106
F16L37/18	10	Joints tightened by eccentrics or rotatable cams	F16L37/18	F16L37/18		655
F16L37/20	10	Joints tightened by toggle-action levers	F16L37/20	F16L37/20		410
F16L37/22	8	in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts	F16L37/22	F16L37/22		402
F16L37/23	9	by means of balls	F16L37/23	F16L37/23		2019
F16L37/24	8	in which the connection is made by inserting one member axially into the other and rotating it to a limited extent, e.g. with bayonet-action	F16L37/24	F16L37/24		238
F16L37/242	9	{in which the rotation takes place between the eccentric parts}	F16L37/24	F16L37/24		36
F16L37/244	9	the coupling being co-axial with the pipe	F16L37/244	F16L37/244		247
F16L37/2445	10	{in which a male cylindrical element is introduced into a female cylindrical element, each element containing several threads axially spaced and circumferentially discontinuous which engage with each other as a result of the rotation of one of the elements}	F16L37/244	F16L37/244		117
F16L37/248	10	Bayonet-type couplings	F16L37/248	F16L37/248		620
F16L37/252	10	the male part having lugs on its periphery penetrating into the corresponding slots provided in the female part	F16L37/252	F16L37/252		1777
F16L37/256	9	the coupling not being coaxial with the pipe	F16L37/256	F16L37/256		252
F16L37/26	8	in which the connection is made by transversely moving the parts together, with or without their subsequent rotation	F16L37/26	F16L37/26		488
F16L37/28	8	with fluid cut-off means	F16L37/28	F16L37/28		347
F16L37/30	9	with fluid cut-off means in each of two pipe-end fittings	F16L37/30	F16L37/30		418
F16L37/32	10	at least one of two lift valves being opened automatically when the coupling is applied	F16L37/32	F16L37/32		1048
F16L37/33	11	the lift valves being of the ball type	F16L37/33	F16L37/33		106
F16L37/34	11	at least one of the lift valves being of the sleeve type, i.e. a sleeve being telescoped over an inner cylindrical wall	F16L37/34	F16L37/34		626
F16L37/35	11	at least one of the valves having an axial bore communicating with lateral apertures	F16L37/35	F16L37/35		360
F16L37/36	10	with two lift valves being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal	F16L37/36	F16L37/36		482
F16L37/367	10	with two gate valves or sliding valves	F16L37/367	F16L37/367		163
F16L37/373	10	with two taps or cocks	F16L37/373	F16L37/373		169
F16L37/38	9	with fluid cut-off means in only one of two pipe-end fittings	F16L37/38	F16L37/38		379
F16L37/40	10	with a lift valve being opened automatically when the coupling is applied	F16L37/40	F16L37/40		892
F16L37/407	11	the lift valve being of the ball type	F16L37/407	F16L37/407		148
F16L37/413	11	the lift valve being of the sleeve type, i.e. a sleeve being telescoped over an inner cylindrical wall	F16L37/413	F16L37/413		131
F16L37/42	11	the valve having an axial bore communicating with lateral apertures	F16L37/42	F16L37/42		448
F16L37/44	10	with one lift valve being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal	F16L37/44	F16L37/44		242
F16L37/46	10	with a gate valve or sliding valve	F16L37/46	F16L37/46		203
F16L37/47	10	with a tap or cock	F16L37/47	F16L37/47		158
F16L37/48	8	for fastening a pipe on the end of a tap	F16L37/48	F16L37/48		378
F16L37/50	8	adjustable; allowing movement of the parts joined	F16L37/50	F16L37/50		155
F16L37/505	9	{allowing substantial longitudinal adjustment or movement}	F16L37/50	F16L37/50		84
F16L37/52	9	Universal joints, i.e. with a mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction	F16L37/52	F16L37/52		326
F16L37/53	9	allowing adjustment or movement only about the axis of one pipe	F16L37/53	F16L37/53		175
F16L37/54	9	for pipes under pressure which are supported only on one side	F16L37/54	F16L37/54		168
F16L37/56	8	for double-walled or multi-channel pipes {or pipe assemblies}	F16L37/56	F16L37/56		966
F16L37/565	9	{Concentric pipes}	F16L37/56	F16L37/56		127
F16L37/58	8	the extremities of the two halves of the joint being pressed against each other without being locked in position	F16L37/58	F16L37/58		166
F16L37/60	8	with plug and fixed wall housing	F16L37/60	F16L37/60		169
F16L37/62	8	pneumatically or hydraulically actuated	F16L37/62	F16L37/62		441
F16L39/00	7	Joints or fittings for double-walled or multi-channel pipes or pipe assemblies {(quick-acting joints for double-walled or multi-channel pipes or pipe assemblies F16L37/56)}	F16L39/00	F16L39/00		1758
F16L39/005	8	{for concentric pipes}	F16L39/00	F16L39/00		938
F16L39/02	8	for hoses	F16L39/02	F16L39/02		533
F16L39/04	8	allowing adjustment or movement	F16L39/04	F16L39/04		884
F16L39/06	8	of the multiline swivel type, e.g. comprising a plurality of axially mounted modules	F16L39/06	F16L39/06		487
F16L41/00	7	Branching pipes; Joining pipes to walls (F16L39/00 takes precedence {; characterised by couplings of the quick-acting type F16L37/008; specially adapted to be made of plastics or to be used with pipes made of plastics F16L47/26})	F16L41/00	F16L41/00		429
F16L41/001	8	{the wall being a pipe plate}	F16L41/00	F16L41/00		274
F16L41/002	8	{of concrete, cement or asbestos-cement}	F16L41/00	F16L41/00		131
F16L41/004	8	{Joining to walls at other than 90 degrees (F16L41/002, F16L41/008 take precedence)}	F16L41/00	F16L41/00		155
F16L41/005	8	{adjustable and comprising a hollow threaded part in an opening}	F16L41/00	F16L41/00		230
F16L41/007	8	{adjustable and comprising a bend}	F16L41/00	F16L41/00		141
F16L41/008	8	{for connecting a measuring instrument}	F16L41/00	F16L41/00		511
F16L41/02	8	Branch units, e.g. made in one piece, welded, riveted	F16L41/02	F16L41/02		1673
F16L41/021	9	{T- or cross-pieces (F16L41/025, F16L41/026, F16L41/028 take precedence)}	F16L41/02	F16L41/02		2024
F16L41/023	9	{Y- pieces (F16L41/025, F16L41/026, F16L41/028 take precedence)}	F16L41/02	F16L41/02		592
F16L41/025	9	{with rectangular cross-section}	F16L41/02	F16L41/02		58
F16L41/026	9	{with a layer protecting against erosion}	F16L41/02	F16L41/02		60
F16L41/028	9	{of concrete, cement or asbestos-cement}	F16L41/02	F16L41/02		23
F16L41/03	9	comprising junction pieces for four or more pipe members	F16L41/03	F16L41/03		1832
F16L41/04	8	Tapping pipe walls, i.e. making connections through the walls of pipes while they are carrying fluids; Fittings therefor	F16L41/04	F16L41/04		978
F16L41/045	9	{without removal of material (F16L41/065 takes precedence)}	F16L41/04	F16L41/04		53
F16L41/06	9	making use of attaching means embracing the pipe	F16L41/06	F16L41/06		1597
F16L41/065	10	{without removal of material}	F16L41/06	F16L41/06		138
F16L41/08	8	Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe (F16L41/02 takes precedence)	F16L41/08	F16L41/08		1349
F16L41/082	9	{Non-disconnectable joints, e.g. soldered, adhesive or caulked joints}	F16L41/08	F16L41/08		545
F16L41/084	10	{Soldered joints}	F16L41/08	F16L41/08		580
F16L41/086	9	{fixed with screws}	F16L41/08	F16L41/08		756
F16L41/088	9	{fixed using an elastic grommet between the extremity of the tube and the wall}	F16L41/08	F16L41/08		549
F16L41/10	9	the extremity of the pipe being screwed into the wall	F16L41/10	F16L41/10		464
F16L41/12	9	using attaching means embracing the pipe	F16L41/12	F16L41/12		957
F16L41/14	9	by screwing an intermediate part against the inside or outside of the wall {(F16L41/086 takes precedence)}	F16L41/14	F16L41/14		923
F16L41/16	9	the branch pipe comprising fluid cut-off means	F16L41/16	F16L41/16		879
F16L41/18	8	the branch pipe being movable	F16L41/18	F16L41/18		233
F16L43/00	7	Bends; Siphons (with cleaning apertures F16L45/00)	F16L43/00	F16L43/00		1647
F16L43/001	8	{made of metal}	F16L43/00	F16L43/00		669
F16L43/002	9	{and formed from sheet having a circular passage}	F16L43/00	F16L43/00		94
F16L43/003	9	{having a rectangular cross-section}	F16L43/00	F16L43/00		59
F16L43/005	9	{Return bends}	F16L43/00	F16L43/00		60
F16L43/006	9	{telescopic}	F16L43/00	F16L43/00		28
F16L43/007	8	{made of concrete, cement or asbestos-cement}	F16L43/00	F16L43/00		33
F16L43/008	8	{made from plastic material}	F16L43/00	F16L43/00		464
F16L43/02	8	adapted to make use of special securing means	F16L43/02	F16L43/02		649
F16L45/00	7	Pipe units with cleaning aperture and closure therefor	F16L45/00	F16L45/00		528
F16L47/00	7	Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics	F16L47/00	F16L47/00		383
F16L47/005	8	{the first pipe being joined to the ends of two other pipes placed one inside the other, e.g. gas pipe with protective sheath}	F16L47/00	F16L47/00		50
F16L47/02	8	Welded joints; Adhesive joints	F16L47/02	F16L47/02		1563
F16L47/03	9	Welded joints with an electrical resistance incorporated in the joint	F16L47/03	F16L47/03		1221
F16L47/04	8	with a swivel nut or collar engaging the pipe	F16L47/04	F16L47/04		736
F16L47/041	9	{the plastic pipe end being flared either before or during the making of the connection}	F16L47/04	F16L47/04		284
F16L47/06	8	with sleeve or socket formed by or in the pipe end	F16L47/06	F16L47/06		679
F16L47/065	9	{with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket, the sealing rings being placed previously on the male part}	F16L47/06	F16L47/06		191
F16L47/08	9	with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket	F16L47/08	F16L47/08		683
F16L47/10	10	the sealing rings being maintained in place by additional means	F16L47/10	F16L47/10		331
F16L47/12	9	with additional locking means	F16L47/12	F16L47/12		555
F16L47/14	8	Flanged joints	F16L47/14	F16L47/14		606
F16L47/145	9	{for rectangular pipes}	F16L47/14	F16L47/14		15
F16L47/16	8	Screw-threaded joints	F16L47/16	F16L47/16		443
F16L47/18	8	Adjustable joints; Joints allowing movement	F16L47/18	F16L47/18		238
F16L47/20	8	based principally on specific properties of plastics	F16L47/20	F16L47/20		255
F16L47/22	9	using shrink-down material	F16L47/22	F16L47/22		495
F16L47/24	9	for joints between metal and plastics pipes	F16L47/24	F16L47/24		540
F16L47/26	8	for branching pipes; for joining pipes to walls; Adaptors therefor	F16L47/26	F16L47/26		205
F16L47/265	9	{Reduction units}	F16L47/26	F16L47/26		54
F16L47/28	9	Joining pipes to walls or to other pipes, the axis of the joined pipe being perpendicular to the wall or to the axis of the other pipe	F16L47/28	F16L47/28		321
F16L47/285	10	{with fluid cut-off means in the branching pipe}	F16L47/28	F16L47/28		27
F16L47/30	10	using attaching means embracing the pipe	F16L47/30	F16L47/30		185
F16L47/32	9	Branch units, e.g. made in one piece, welded, riveted	F16L47/32	F16L47/32		522
F16L47/34	9	Tapping pipes, i.e. making connections through walls of pipes while carrying fluids; Fittings therefor	F16L47/34	F16L47/34		109
F16L47/345	10	{making use of attaching means embracing the pipe}	F16L47/34	F16L47/34		193
F16L49/00	7	Connecting arrangements, e.g. joints, specially adapted for pipes of brittle material, e.g. glass, earthenware	F16L49/00	F16L49/00		129
F16L49/02	8	Joints with a sleeve or socket	F16L49/02	F16L49/02		209
F16L49/04	8	Flanged joints	F16L49/04	F16L49/04		151
F16L49/06	8	Joints in which sealing surfaces are pressed together by means of a member, e.g. swivel nut, screwed on, or into, one of the joint parts	F16L49/06	F16L49/06		105
F16L49/08	8	Adjustable joints; Joints allowing movement	F16L49/08	F16L49/08		50
F16L51/00	7	Expansion-compensation arrangements for pipe-lines (telescopic pipes F16L27/12)	F16L51/00	F16L51/00		1126
F16L51/005	8	{for concrete pipe-lines}	F16L51/00	F16L51/00		36
F16L51/02	8	making use of a bellows or an expansible folded or corrugated tube	F16L51/02	F16L51/02		521
F16L51/021	9	{having a rectangular cross-section}	F16L51/02	F16L51/02		100
F16L51/022	9	{with a single corrugation}	F16L51/02	F16L51/02		258
F16L51/023	10	{consisting of flexible rings}	F16L51/02	F16L51/02		44
F16L51/024	10	{non-metallic}	F16L51/02	F16L51/02		184
F16L51/025	9	{with several corrugations}	F16L51/02	F16L51/02		980
F16L51/026	10	{with interior reinforcement}	F16L51/02	F16L51/02		156
F16L51/027	10	{with external reinforcement}	F16L51/02	F16L51/02		424
F16L51/028	10	{with the expansion or contraction of each corrugation being limited}	F16L51/02	F16L51/02		206
F16L51/029	10	{consisting of flexible rings}	F16L51/02	F16L51/02		49
F16L51/03	9	comprising two or more bellows	F16L51/03	F16L51/03		429
F16L51/035	10	{for cancelling the axial loading resulting from fluid pressure}	F16L51/03	F16L51/03		140
F16L51/04	8	making use of bends, e.g. lyre-shaped	F16L51/04	F16L51/04		180
F16L53/00	7	Heating of pipes or pipe systems; Cooling of pipes or pipe systems	F16L53/00	F16L53/00		336
F16L53/30	8	Heating of pipes or pipe systems	F16L53/30	F16L53/30		572
F16L53/32	9	using hot fluids	F16L53/32	F16L53/32		831
F16L53/34	9	using electric, magnetic or electromagnetic fields, e.g. induction, dielectric or microwave heating	F16L53/34	F16L53/34		387
F16L53/35	9	Ohmic-resistance heating	F16L53/35	F16L53/35		438
F16L53/37	10	the heating current flowing directly through the pipe to be heated	F16L53/37	F16L53/37		190
F16L53/38	10	using elongate electric heating elements, e.g. wires or ribbons	F16L53/38	F16L53/38		1502
F16L53/70	8	Cooling of pipes or pipe systems	F16L53/70	F16L53/70		573
F16L53/75	9	using cooling fins	F16L53/75	F16L53/75		65
F16L55/00	7	Devices or appurtenances for use in, or in connection with, pipes or pipe systems (F16L1/00 - F16L53/00, F16L57/00, F16L59/00 take precedence; repairing or joining pipes on or under water F16L1/26; cleaning of pipes B08B9/02, e.g. removal of blockages B08B9/027; devices for preventing bursting of water pipes by freezing E03B7/10)	F16L55/00	F16L55/00		3551
F16L55/005	8	{Devices restraining ruptured tubes from whipping}	F16L55/00	F16L55/00		190
F16L55/02	8	Energy absorbers; Noise absorbers	F16L55/02	F16L55/02		2094
F16L55/027	9	Throttle passages	F16L55/027	F16L55/027		788
F16L55/02709	10	{in the form of perforated plates}	F16L55/027	F16L55/027		120
F16L55/02718	11	{placed transversely}	F16L55/027	F16L55/027		354
F16L55/02727	11	{placed parallel to the axis of the pipe}	F16L55/027	F16L55/027		88
F16L55/02736	10	{using transversal baffles defining a tortuous path}	F16L55/027	F16L55/027		148
F16L55/02745	10	{by passing through a mass of particles or a porous member}	F16L55/027	F16L55/027		76
F16L55/02754	10	{using a central core throttling the passage}	F16L55/027	F16L55/027		134
F16L55/02763	10	{using an element with multiple tubes}	F16L55/027	F16L55/027		126
F16L55/02772	10	{using spirally or helically shaped channels}	F16L55/027	F16L55/027		186
F16L55/02781	10	{The regulating element being provided with radial outputs}	F16L55/027	F16L55/027		137
F16L55/0279	10	{The fluid flowing two or more times longitudinally in opposite directions, e.g. using parallel or concentric tubes}	F16L55/027	F16L55/027		37
F16L55/033	9	Noise absorbers (F16L55/027 takes precedence)	F16L55/033	F16L55/033		1413
F16L55/0331	10	{by inserting an elongated element in the pipe}	F16L55/033	F16L55/033		176
F16L55/0332	10	{by inserting a body of compressible material in the pipe}	F16L55/033	F16L55/033		104
F16L55/0333	10	{by means of an active system}	F16L55/033	F16L55/033		154
F16L55/0335	10	{by means of external rings}	F16L55/033	F16L55/033		139
F16L55/0336	10	{by means of sound-absorbing materials}	F16L55/033	F16L55/033		705
F16L55/0337	10	{by means of a flexible connection}	F16L55/033	F16L55/033		114
F16L55/0338	10	{by means of a membrane}	F16L55/033	F16L55/033		58
F16L55/035	10	in the form of specially adapted hangers or supports	F16L55/035	F16L55/035		2437
F16L55/04	8	Devices damping pulsations or vibrations in fluids {(F16L55/02 takes precedence)}	F16L55/04	F16L55/04		1521
F16L55/041	9	{specially adapted for preventing vibrations (flexible pipe connections F16L27/10)}	F16L55/04	F16L55/04		530
F16L55/043	9	{specially adapted for protecting instruments from water hammer or vibrations}	F16L55/04	F16L55/04		179
F16L55/045	9	specially adapted to prevent or minimise the effects of water hammer	F16L55/045	F16L55/045		801
F16L55/05	10	Buffers therefor	F16L55/05	F16L55/05		563
F16L55/052	11	Pneumatic reservoirs	F16L55/052	F16L55/052		679
F16L55/053	12	the gas in the reservoir being separated from the fluid in the pipe	F16L55/053	F16L55/053		619
F16L55/054	13	the reservoir being placed in or around the pipe from which it is separated by a sleeve-shaped membrane	F16L55/054	F16L55/054		244
F16L55/055	10	Valves therefor	F16L55/055	F16L55/055		355
F16L55/07	8	Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining (apparatus for draining F16T)	F16L55/07	F16L55/07		2718
F16L55/09	8	Air-conditioning, e.g. de-watering, in pneumatic systems	F16L55/09	F16L55/09		82
F16L55/10	8	Means for stopping flow in pipes or hoses (F16L29/00, F16L37/28 take precedence; valves F16K)	F16L55/10	F16L55/10		1656
F16L55/1003	9	{by introduction of paste, powder, particles, or the like}	F16L55/10	F16L55/10		95
F16L55/1007	9	{Couplings closed automatically when broken}	F16L55/10	F16L55/10		360
F16L55/1011	9	{Soluble closing devices}	F16L55/10	F16L55/10		45
F16L55/1015	9	{Couplings closed automatically when disengaging force exceeds preselected value (F16L55/1007 takes precedence)}	F16L55/10	F16L55/10		244
F16L55/1018	9	{Pivoting closing devices}	F16L55/10	F16L55/10		254
F16L55/1022	9	{Fluid cut-off devices automatically actuated}	F16L55/10	F16L55/10		235
F16L55/1026	9	{Fire protection devices}	F16L55/10	F16L55/10		170
F16L55/103	9	by temporarily freezing liquid sections in the pipe	F16L55/103	F16L55/103		208
F16L55/105	9	Closing devices introduced radially into the pipe or hose	F16L55/105	F16L55/105		555
F16L55/11	9	Plugs {(F16L55/128 takes precedence)}	F16L55/11	F16L55/11		950
F16L55/1108	10	{fixed by screwing or by means of a screw-threaded ring}	F16L55/11	F16L55/11		507
F16L55/1116	10	{glued or welded}	F16L55/11	F16L55/11		86
F16L55/1125	10	{fixed by rotating a limited amplitude}	F16L55/11	F16L55/11		99
F16L55/1133	10	{fixed by means of balls}	F16L55/11	F16L55/11		41
F16L55/1141	10	{the plug being made of elastic material}	F16L55/11	F16L55/11		394
F16L55/115	9	Caps {(F16L55/1286 takes precedence)}	F16L55/115	F16L55/115		947
F16L55/1152	10	{fixed by screwing or by means of a screw-threaded ring}	F16L55/115	F16L55/115		481
F16L55/1155	10	{fixed by rotating a limited amplitude}	F16L55/115	F16L55/115		90
F16L55/1157	10	{using hooks, pawls, or other movable or insertable locking members}	F16L55/115	F16L55/115		232
F16L55/12	9	by introducing into the pipe a member expandable in situ(inflatable cut-off valves F16K7/10)	F16L55/12	F16L55/12		198
F16L55/124	10	introduced radially into the pipe or hose	F16L55/124	F16L55/124		480
F16L55/128	10	introduced axially into the pipe or hose	F16L55/128	F16L55/128		246
F16L55/1283	11	{Plugging pig}	F16L55/128	F16L55/128		258
F16L55/1286	11	{The closing device being a cap}	F16L55/128	F16L55/128		58
F16L55/13	11	the closure device being a plug fixed by plastic deformation	F16L55/13	F16L55/13		169
F16L55/132	11	the closure device being a plug fixed by radially deforming the packing	F16L55/132	F16L55/132		712
F16L55/134	12	by means of an inflatable packing	F16L55/134	F16L55/134		672
F16L55/136	11	the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like	F16L55/136	F16L55/136		410
F16L55/16	8	Devices for covering leaks in pipes or hoses, e.g. hose-menders	F16L55/16	F16L55/16		490
F16L55/1604	9	{by means of a by-pass conduit}	F16L55/16	F16L55/16		120
F16L55/1608	9	{by replacement of the damaged part of the pipe}	F16L55/16	F16L55/16		350
F16L55/1612	9	{by means of a plug}	F16L55/16	F16L55/16		174
F16L55/1616	9	{the material forming the pipe or hose being self-sealing}	F16L55/16	F16L55/16		54
F16L55/162	9	from inside the pipe ({F16L55/1612 takes precedence;} specially adapted for bends, branch units, branching pipes, or the like F16L55/179)	F16L55/162	F16L55/162		725
F16L55/163	10	a ring, a band or a sleeve being pressed against the inner surface of the pipe	F16L55/163	F16L55/163		785
F16L55/164	10	a sealing fluid being introduced in the pipe (F16L55/1645 takes precedence)	F16L55/164	F16L55/164		372
F16L55/1645	10	a sealing material being introduced inside the pipe by means of a tool moving in the pipe	F16L55/1645	F16L55/1645		691
F16L55/16455	11	{a part of the tool defining, together with the inner wall of the pipe, an enclosed space into which sealing material is injected}	F16L55/1645	F16L55/1645		204
F16L55/165	10	a pipe {or flexible liner} being inserted in the damaged section	F16L55/165	F16L55/165		652
F16L55/1651	11	{the flexible liner being everted}	F16L55/165	F16L55/165		696
F16L55/1652	11	{the flexible liner being pulled into the damaged section}	F16L55/165	F16L55/165		319
F16L55/1653	12	{and being pressed into contact with the pipe by a tool which moves inside along the pipe}	F16L55/165	F16L55/165		232
F16L55/1654	12	{and being inflated}	F16L55/165	F16L55/165		710
F16L55/1655	11	{a pipe being formed inside the old pipe by winding strip-material}	F16L55/165	F16L55/165		151
F16L55/1656	11	{materials for flexible liners}	F16L55/165	F16L55/165		768
F16L55/1657	11	{lengths of rigid pipe being inserted (F16L55/1658 takes precedence)}	F16L55/165	F16L55/165		246
F16L55/1658	11	{the old pipe being ruptured prior to insertion of a new pipe}	F16L55/165	F16L55/165		396
F16L55/168	9	from outside the pipe (specially adapted for bends, branch units, branching pipes, or the like F16L55/179)	F16L55/168	F16L55/168		684
F16L55/1683	10	{by means of a patch which is fixed on the wall of the pipe by means of an adhesive, a weld or the like}	F16L55/168	F16L55/168		317
F16L55/1686	10	{by winding a tape}	F16L55/168	F16L55/168		208
F16L55/17	10	by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose	F16L55/17	F16L55/17		773
F16L55/1705	11	{with a substantially radial tightening member}	F16L55/17	F16L55/17		197
F16L55/171	11	{the ring or the sleeve being tightened by a wedge section}	F16L55/17	F16L55/17		61
F16L55/1715	11	{the ring or the sleeve being tightened by hooks, pawls, or other movable members}	F16L55/17	F16L55/17		119
F16L55/172	11	the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut	F16L55/172	F16L55/172		857
F16L55/1725	12	{in which the threaded pin is rigid with the hose encircling member}	F16L55/172	F16L55/172		46
F16L55/175	10	by using materials which fill a space around the pipe before hardening	F16L55/175	F16L55/175		596
F16L55/178	10	by clamping an outer gasket against a joint with sleeve or socket	F16L55/178	F16L55/178		229
F16L55/179	9	specially adapted for bends, branch units, branching pipes or the like	F16L55/179	F16L55/179		800
F16L55/18	8	Appliances for use in repairing pipes (F16L55/10 takes precedence)	F16L55/18	F16L55/18		3829
F16L55/24	8	Preventing accumulation of dirt or other matter in pipes, e.g. by traps, by strainers	F16L55/24	F16L55/24		2987
F16L55/26	8	Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means<br><br><u>NOTE</u><br><br> Pigs or moles specially adapted for particular applications are classified in the relevant places for the applications, e.g. <br>stopping flow from or in pipes or hoses F16L55/12;<br>repairing pipes F16L55/18;<br>applying liquids or other fluent materials to the inside of tubes B05C7/08;<br>cleaning pipes or tubes or systems of pipes or tubes B08B9/02;<br>welding or cutting B23K37/02;<br>earth drilling E21B;<br>separating products F17D3/08;<br>cleaning chimneys F23J3/02;<br>cleaning internal or external surfaces of heat-exchange or heat-transfer conduits F28G;<br>measuring, testing G01;<br>investigating fluid-tightness of structures G01M3/005, G01M3/246, G01M3/2823;<br>inspection of vessels in nuclear reactors G21C17/003;<br>inspection or maintenance of pipe-lines or tubes in nuclear installations G21C17/017;<br>installing electric, or combined optical and electric, cables or lines H02G.<br>In this group, it is desirable to add the indexing codes of group F16L2101/00.	F16L55/26	F16L55/26		969
F16L55/265	9	{specially adapted for work at or near a junction between a main and a lateral pipe}	F16L55/26	F16L55/26		331
F16L55/28	9	Constructional aspects	F16L55/28	F16L55/28		1447
F16L55/30	10	of the propulsion means, e.g. towed by cables	F16L55/30	F16L55/30		642
F16L55/32	11	being self-contained	F16L55/32	F16L55/32		2502
F16L55/34	12	the pig or mole being moved step by step	F16L55/34	F16L55/34		260
F16L55/36	12	jet driven	F16L55/36	F16L55/36		52
F16L55/38	11	driven by fluid pressure	F16L55/38	F16L55/38		621
F16L55/40	10	of the body	F16L55/40	F16L55/40		1954
F16L55/42	11	gelled or degradable	F16L55/42	F16L55/42		49
F16L55/44	11	expandable	F16L55/44	F16L55/44		306
F16L55/46	9	Launching or retrieval of pigs or moles	F16L55/46	F16L55/46		867
F16L55/48	9	Indicating the position of the pig or mole in the pipe or conduit	F16L55/48	F16L55/48		563
F16L57/00	7	Protection of pipes or objects of similar shape against external or internal damage or wear ({protection under water F16L1/123;} supporting of pipes inside other pipes or sleeves F16L7/00; used in connection with end fittings of hoses F16L35/00; protection of pipes or pipe fittings against corrosion or incrustation F16L58/00; protection thereof during transport B65D59/00)	F16L57/00	F16L57/00		3048
F16L57/005	8	{specially adapted for the ends of pipes}	F16L57/00	F16L57/00		1017
F16L57/02	8	against cracking or buckling	F16L57/02	F16L57/02		2302
F16L57/04	8	against fire or other external sources of extreme heat	F16L57/04	F16L57/04		1146
F16L57/06	8	against wear (F16L57/04 takes precedence)	F16L57/06	F16L57/06		2475
F16L58/00	7	Protection of pipes or pipe fittings against corrosion or incrustation (compound tubes F16L9/14)	F16L58/00	F16L58/00		1446
F16L58/02	8	by means of internal or external coatings	F16L58/02	F16L58/02		1332
F16L58/04	9	Coatings characterised by the materials used (F16L58/16 takes precedence)	F16L58/04	F16L58/04		884
F16L58/06	10	by cement, concrete, or the like	F16L58/06	F16L58/06		293
F16L58/08	10	by metal	F16L58/08	F16L58/08		875
F16L58/10	10	by rubber or plastics	F16L58/10	F16L58/10		601
F16L58/1009	11	{the coating being placed inside the pipe}	F16L58/10	F16L58/10		753
F16L58/1018	12	{the protective layer being fixed by means of anchoring devices}	F16L58/10	F16L58/10		54
F16L58/1027	12	{the coating being a sprayed layer}	F16L58/10	F16L58/10		329
F16L58/1036	12	{the coating being a preformed pipe (F16L58/1027 takes precedence)}	F16L58/10	F16L58/10		204
F16L58/1045	12	{the coating being an extruded or a fused layer}	F16L58/10	F16L58/10		122
F16L58/1054	11	{the coating being placed outside the pipe}	F16L58/10	F16L58/10		558
F16L58/1063	12	{the coating being a sheet wrapped around the pipe}	F16L58/10	F16L58/10		294
F16L58/1072	12	{the coating being a sprayed layer}	F16L58/10	F16L58/10		204
F16L58/1081	12	{the coating being a preformed pipe}	F16L58/10	F16L58/10		66
F16L58/109	12	{the coating being an extruded layer}	F16L58/10	F16L58/10		158
F16L58/12	10	by tar or bitumen	F16L58/12	F16L58/12		232
F16L58/14	10	by ceramic or vitreous materials	F16L58/14	F16L58/14		299
F16L58/16	9	the coating being in the form of a bandage	F16L58/16	F16L58/16		512
F16L58/18	8	specially adapted for pipe fittings	F16L58/18	F16L58/18		458
F16L58/181	9	{for non-disconnectable pipe joints}	F16L58/18	F16L58/18		494
F16L58/182	9	{for screw-threaded joints}	F16L58/18	F16L58/18		333
F16L58/184	9	{for joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts}	F16L58/18	F16L58/18		77
F16L58/185	9	{for joints with sleeve or socket}	F16L58/18	F16L58/18		207
F16L58/187	9	{for flanged joints}	F16L58/18	F16L58/18		330
F16L58/188	9	{for branching pipes; for joining pipes to walls}	F16L58/18	F16L58/18		117
F16L59/00	7	Thermal insulation in general	F16L59/00	F16L59/00		702
F16L59/02	8	Shape or form of insulating materials, with or without coverings integral with the insulating materials	F16L59/02	F16L59/02		2359
F16L59/021	9	{comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments}	F16L59/02	F16L59/02		735
F16L59/022	10	{with a single slit}	F16L59/02	F16L59/02		435
F16L59/023	11	{with a hinge opposite the slit}	F16L59/02	F16L59/02		154
F16L59/024	10	{consisting of two half sleeves}	F16L59/02	F16L59/02		681
F16L59/025	10	{comprising more than two segments}	F16L59/02	F16L59/02		125
F16L59/026	9	{Mattresses, mats, blankets or the like}	F16L59/02	F16L59/02		815
F16L59/027	9	{Bands, cords, strips or the like for helically winding around a cylindrical object}	F16L59/02	F16L59/02		351
F16L59/028	9	{Compositions for or methods of fixing a thermally insulating material}	F16L59/02	F16L59/02		2091
F16L59/029	9	{layered}	F16L59/02	F16L59/02		2448
F16L59/04	8	Arrangements using dry fillers, e.g. using slag wool	F16L59/04	F16L59/04		1618
F16L59/06	8	Arrangements using an air layer or vacuum	F16L59/06	F16L59/06		881
F16L59/065	9	using vacuum (F16L59/075 takes precedence)	F16L59/065	F16L59/065		2304
F16L59/07	9	the air layer being enclosed by one or more layers of insulation	F16L59/07	F16L59/07		462
F16L59/075	9	the air layer or the vacuum being delimited by longitudinal channels distributed around the circumference of a tube	F16L59/075	F16L59/075		152
F16L59/08	8	Means for preventing radiation, e.g. with metal foil	F16L59/08	F16L59/08		1223
F16L59/10	8	Bandages or covers for the protection of the insulation, e.g. against the influence of the environment or against mechanical damage (integral with insulating materials F16L59/02)	F16L59/10	F16L59/10		803
F16L59/103	9	{Rigid covers for tee pieces}	F16L59/10	F16L59/10		36
F16L59/106	9	{Flexible covers for flanges, junctions, valves or the like}	F16L59/10	F16L59/10		42
F16L59/11	9	Rigid covers for elbows	F16L59/11	F16L59/11		146
F16L59/12	8	Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies	F16L59/12	F16L59/12		1385
F16L59/121	9	{for pipes passing through walls or partitions}	F16L59/12	F16L59/12		127
F16L59/123	9	{Anchoring devices; Fixing arrangements for preventing the relative longitudinal displacement of an inner pipe with respect to an outer pipe, e.g. stress cones}	F16L59/12	F16L59/12		219
F16L59/125	9	Helical spacers	F16L59/125	F16L59/125		67
F16L59/13	9	Resilient supports	F16L59/13	F16L59/13		123
F16L59/135	9	Hangers or supports specially adapted for insulated pipes	F16L59/135	F16L59/135		481
F16L59/14	8	Arrangements for the insulation of pipes or pipe systems (F16L59/02&#160;-&#160;F16L59/12 take precedence)	F16L59/14	F16L59/14		2124
F16L59/141	9	{in which the temperature of the medium is below that of the ambient temperature}	F16L59/14	F16L59/14		547
F16L59/143	9	{Pre-insulated pipes}	F16L59/14	F16L59/14		1008
F16L59/145	9	{providing fire-resistance}	F16L59/14	F16L59/14		320
F16L59/147	9	the insulation being located inwardly of the outer surface of the pipe	F16L59/147	F16L59/147		810
F16L59/15	9	for underground pipes	F16L59/15	F16L59/15		375
F16L59/153	9	for flexible pipes	F16L59/153	F16L59/153		522
F16L59/16	9	Arrangements specially adapted to local requirements at flanges, junctions, valves or the like	F16L59/16	F16L59/16		783
F16L59/161	10	{Housings for valves, tee pieces, or the like}	F16L59/16	F16L59/16		528
F16L59/163	10	{Branch units; Insulation forming a whole with branches}	F16L59/16	F16L59/16		152
F16L59/165	10	{Repairing insulated pipes}	F16L59/16	F16L59/16		22
F16L59/166	10	{covering the end of an insulated section}	F16L59/16	F16L59/16		139
F16L59/168	10	{Flexible insulating material or covers for flanges, junctions, valves or the like}	F16L59/16	F16L59/16		214
F16L59/18	10	adapted for joints	F16L59/18	F16L59/18		356
F16L59/181	11	{Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts}	F16L59/18	F16L59/18		53
F16L59/182	11	{Joints with sleeve or socket}	F16L59/18	F16L59/18		191
F16L59/184	11	{Flanged joints}	F16L59/18	F16L59/18		241
F16L59/185	11	{Adjustable joints; Joints allowing movement}	F16L59/18	F16L59/18		106
F16L59/187	11	{Arrangements for connecting hoses to one another, to flexible sleeves or to rigid members}	F16L59/18	F16L59/18		37
F16L59/188	11	{Couplings of the quick-acting type}	F16L59/18	F16L59/18		58
F16L59/20	11	for non-disconnectable joints	F16L59/20	F16L59/20		465
F16L59/21	10	adapted for expansion-compensation devices	F16L59/21	F16L59/21		277
F16L59/22	10	adapted for bends	F16L59/22	F16L59/22		332
F16L2101/00	7	Uses or applications of pigs or moles	F16L101/00	F16L101/00		40
F16L2101/10	8	Treating the inside of pipes	F16L101/10	F16L101/10		633
F16L2101/12	9	Cleaning	F16L101/12	F16L101/12		1547
F16L2101/16	9	Coating by application of fluent materials, e.g. painting	F16L101/16	F16L101/16		232
F16L2101/18	9	Lining other than coating	F16L101/18	F16L101/18		203
F16L2101/20	8	Expelling gases or fluids	F16L101/20	F16L101/20		48
F16L2101/30	8	Inspecting, measuring or testing	F16L101/30	F16L101/30		4648
F16L2101/40	8	Separating transported fluids	F16L101/40	F16L101/40		188
F16L2101/50	8	Pulling cables or the like	F16L101/50	F16L101/50		96
F16L2101/60	8	Stopping leaks	F16L101/60	F16L101/60		225
F16L2101/70	8	Drill-well operations	F16L101/70	F16L101/70		30
F16L2201/00	7	Special arrangements for pipe couplings	CPCONLY	F16L2201/00		93
F16L2201/10	8	Indicators for correct coupling	CPCONLY	F16L2201/10		1487
F16L2201/20	8	Safety or protective couplings	CPCONLY	F16L2201/20		552
F16L2201/30	8	Detecting leaks	CPCONLY	F16L2201/30		1009
F16L2201/40	8	for special environments	CPCONLY	F16L2201/40		168
F16L2201/44	9	sterile	CPCONLY	F16L2201/44		292
F16L2201/60	8	Identification or marking	CPCONLY	F16L2201/60		625
F16L2201/80	8	Dust covers	CPCONLY	F16L2201/80		219
