B23P5/00	7	Setting gems or the like on metal parts, e.g. diamonds on tools	B23P5/00	B23P5/00		529
B23P6/00	7	Restoring or reconditioning objects (straightening or restoring form of sheet metal, metal rods, metal tubes, metal profiles, or specific articles made therefrom B21D1/00, B21D3/00; repairing defective or damaged objects by casting techniques B22D19/10)	B23P6/00	B23P6/00		3784
B23P6/002	8	{Repairing turbine components, e.g. moving or stationary blades, rotors, (B23P6/045 takes precedence)}	B23P6/00	B23P6/00		906
B23P6/005	9	{using only replacement pieces of a particular form}	B23P6/00	B23P6/00		597
B23P6/007	9	{using only additive methods, e.g. build-up welding}	B23P6/00	B23P6/00		960
B23P6/02	8	Pistons or cylinders	B23P6/02	B23P6/02		208
B23P6/04	8	Repairing fractures or cracked metal parts or products, e.g. castings	B23P6/04	B23P6/04		945
B23P6/045	9	{of turbine components, e.g. moving or stationary blades, rotors, etc.}	B23P6/04	B23P6/04		266
B23P9/00	7	Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings (treatment covered by a single other subclass, see the relevant subclass, e.g. B24C, C21D7/00, C22F1/00); Features of such surfaces not otherwise provided for, their treatment being unspecified	B23P9/00	B23P9/00		547
B23P9/02	8	Treating or finishing by applying pressure, e.g. knurling (B23P9/04 takes precedence)	B23P9/02	B23P9/02		1164
B23P9/025	9	{to inner walls of holes by using axially moving tools}	B23P9/02	B23P9/02		251
B23P9/04	8	Treating or finishing by hammering or applying repeated pressure	B23P9/04	B23P9/04		409
B23P11/00	7	Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for&#160; (connecting sheet metal or metal tubes, rods or profiles&#160;B21D39/00; riveting&#160;B21J; soldering, unsoldering, welding&#160;B23K; hand tools for connecting wire or strip&#160;B25B25/00; connecting metal parts by adhesives&#160;F16B11/00)	B23P11/00	B23P11/00		1796
B23P11/005	8	{by expanding or crimping}	B23P11/00	B23P11/00		711
B23P11/02	8	by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits	B23P11/02	B23P11/02		536
B23P11/022	9	{by using pressure fluids}	B23P11/02	B23P11/02		179
B23P11/025	9	{by using heat or cold}	B23P11/02	B23P11/02		1640
B23P11/027	10	{for mounting tools in tool holders}	B23P11/02	B23P11/02		336
B23P13/00	7	Making metal objects by operations essentially involving machining but not covered by a single other subclass (making specific objects B23P15/00)	B23P13/00	B23P13/00		718
B23P13/02	8	in which only the machining operations are important	B23P13/02	B23P13/02		1123
B23P13/04	8	involving slicing of profiled material	B23P13/04	B23P13/04		213
B23P15/00	7	Making specific metal objects by operations not covered by a single other subclass or a group in this subclass	B23P15/00	B23P15/00		29338
B23P15/001	8	{valves or valve housings (welding B23K; valve housings per seF16K)}	B23P15/00	B23P15/00		1263
B23P15/002	9	{poppet valves}	B23P15/00	B23P15/00		210
B23P15/003	8	{bearings (see also F16C33/00)}	B23P15/00	B23P15/00		1011
B23P15/005	8	{keys (making keys without essentially removing material, e.g. by punching B21D53/42; milling grooves in keys B23C3/35)}	B23P15/00	B23P15/00		114
B23P15/006	8	{turbine wheels}	B23P15/00	B23P15/00		891
B23P15/007	8	{injection moulding tools}	B23P15/00	B23P15/00		226
B23P15/008	8	{Rocket engine parts, e.g. nozzles, combustion chambers}	B23P15/00	B23P15/00		124
B23P15/02	8	turbine or like blades from one piece	B23P15/02	B23P15/02		929
B23P15/04	8	turbine or like blades from several pieces	B23P15/04	B23P15/04		1093
B23P15/06	8	piston rings from one piece	B23P15/06	B23P15/06		385
B23P15/065	9	{from metal strip}	B23P15/06	B23P15/06		77
B23P15/08	8	piston rings from several pieces	B23P15/08	B23P15/08		116
B23P15/10	8	pistons	B23P15/10	B23P15/10		851
B23P15/105	9	{Enlarging pistons}	B23P15/10	B23P15/10		81
B23P15/12	8	gratings {(making gratings by methods covered by other subclasses B21D47/005)}	B23P15/12	B23P15/12		68
B23P15/14	8	gear parts, e.g. gear wheels	B23P15/14	B23P15/14		2268
B23P15/16	8	plates with holes of very small diameter, e.g. for spinning or burner nozzles	B23P15/16	B23P15/16		227
B23P15/18	8	brake shoes	B23P15/18	B23P15/18		156
B23P15/20	8	railroad requirements, e.g. buffers	B23P15/20	B23P15/20		63
B23P15/22	8	cartridges or like shells	B23P15/22	B23P15/22		70
B23P15/24	8	dies (B21C3/18, B21C25/10, B21D37/20 take precedence)	B23P15/24	B23P15/24		1474
B23P15/243	9	{Honeycomb dies}	B23P15/24	B23P15/24		91
B23P15/246	9	{Laminated dies}	B23P15/24	B23P15/24		115
B23P15/26	8	heat exchangers {or the like (making heat exchangers by methods covered by other subclasses B21D53/02)}	B23P15/26	B23P15/26		3349
B23P15/28	8	cutting tools (sawing tools B23D63/00, B23D65/00; files or rasps B23D73/00)	B23P15/28	B23P15/28		1384
B23P15/30	9	lathes or like tools	B23P15/30	B23P15/30		185
B23P15/32	9	twist-drills	B23P15/32	B23P15/32		550
B23P15/34	9	milling cutters	B23P15/34	B23P15/34		593
B23P15/36	10	for thread-cutting	B23P15/36	B23P15/36		11
B23P15/38	9	planing or slotting tools (B23P15/30 takes precedence)	B23P15/38	B23P15/38		27
B23P15/40	9	shearing tools	B23P15/40	B23P15/40		442
B23P15/403	10	{razor blades}	B23P15/40	B23P15/40		40
B23P15/406	10	{rotary or plane die cutters}	B23P15/40	B23P15/40		203
B23P15/42	9	broaching tools	B23P15/42	B23P15/42		42
B23P15/44	9	scraping or shaving tools	B23P15/44	B23P15/44		29
B23P15/46	9	reaming tools	B23P15/46	B23P15/46		57
B23P15/48	9	threading tools (milling cutters for thread-cutting B23P15/36)	B23P15/48	B23P15/48		120
B23P15/50	10	dies	B23P15/50	B23P15/50		17
B23P15/52	10	taps	B23P15/52	B23P15/52		57
B23P17/00	7	Metal-working operations, not covered by a single other subclass or another group in this subclass	B23P17/00	B23P17/00		710
B23P17/02	8	Single metal-working processes; Machines or apparatus therefor	B23P17/02	B23P17/02		318
B23P17/04	8	characterised by the nature of the material involved or the kind of product independently of its shape	B23P17/04	B23P17/04		121
B23P17/06	9	Making steel wool or the like	B23P17/06	B23P17/06		347
B23P19/00	7	Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation {(connecting metal parts or objects by metal-working procedures B21J, B23K)}; Tools or devices therefor so far as not provided for in other classes (hand tools in general B25)	B23P19/00	B23P19/00		11601
B23P19/001	8	{Article feeders for assembling machines (screws or nuts being carried by a disposable strip or disc B25B23/045)}	B23P19/00	B23P19/00		15300
B23P19/002	9	{orientating the articles}	B23P19/00	B23P19/00		1538
B23P19/003	9	{Escapement mechanisms used therewith}	B23P19/00	B23P19/00		511
B23P19/004	9	{Feeding the articles from hoppers to machines or dispensers}	B23P19/00	B23P19/00		1681
B23P19/005	10	{by using flowing gases}	B23P19/00	B23P19/00		239
B23P19/006	9	{Holding or positioning the article in front of the applying tool}	B23P19/00	B23P19/00		3071
B23P19/007	9	{Picking-up and placing mechanisms}	B23P19/00	B23P19/00		3923
B23P19/008	8	{the parts being continuously transported through the machine during assembling or disassembling}	B23P19/00	B23P19/00		513
B23P19/02	8	for connecting objects by press fit or for detaching same (B23P19/10 takes precedence)	B23P19/02	B23P19/02		7189
B23P19/021	9	{Railroad wheels on axles}	B23P19/02	B23P19/02		202
B23P19/022	9	{Extracting or inserting relatively long parts}	B23P19/02	B23P19/02		359
B23P19/024	10	{tube bundles}	B23P19/02	B23P19/02		181
B23P19/025	9	{For detaching only}	B23P19/02	B23P19/02		543
B23P19/027	9	using hydraulic or pneumatic means (B23P19/033 takes precedence)	B23P19/027	B23P19/027		7193
B23P19/033	9	using vibration	B23P19/033	B23P19/033		123
B23P19/04	8	for assembling or disassembling parts	B23P19/04	B23P19/04		7418
B23P19/041	9	{for disassembling pallets}	B23P19/04	B23P19/04		155
B23P19/042	9	{specially adapted for combustion engines (shape of casings adapted to facilitate fitting or dismantling of engine parts for combustion engines F02F7/0046)}	B23P19/04	B23P19/04		337
B23P19/043	10	{for inserting piston-connecting rods assemblies in cylinders}	B23P19/04	B23P19/04		83
B23P19/045	10	{for assembling valve cotters and retainers of engine valves}	B23P19/04	B23P19/04		120
B23P19/046	9	{Disassembling lids from drums, e.g. by unfolding, for reconditioning or recovery}	B23P19/04	B23P19/04		29
B23P19/047	9	{for flexible profiles, e.g. sealing or decorating strips in grooves or on other profiles by devices moving along the flexible profile (hand tools therefor B25B27/0092)}	B23P19/04	B23P19/04		431
B23P19/048	9	{Springs}	B23P19/04	B23P19/04		693
B23P19/06	9	Screw or nut setting or loosening machines	B23P19/06	B23P19/06		8008
B23P19/061	10	{for pipes or pipe-couplings}	B23P19/06	B23P19/06		170
B23P19/062	10	{Pierce nut setting machines}	B23P19/06	B23P19/06		689
B23P19/063	11	{Deforming the nut only}	B23P19/06	B23P19/06		31
B23P19/064	11	{Deforming the support material only, e.g. the sheet or plate}	B23P19/06	B23P19/06		66
B23P19/065	10	{Arrangements for torque limiters or torque indicators in screw or nut setting machines (for hand tools B25B23/14)}	B23P19/06	B23P19/06		311
B23P19/066	11	{by electrical means}	B23P19/06	B23P19/06		477
B23P19/067	10	{Bolt tensioners (for hand tools B25B29/02)}	B23P19/06	B23P19/06		405
B23P19/068	11	{by using heating means}	B23P19/06	B23P19/06		118
B23P19/069	10	{Multi-spindle machines}	B23P19/06	B23P19/06		946
B23P19/08	9	Machines for placing washers, circlips, or the like on bolts or other members	B23P19/08	B23P19/08		614
B23P19/082	10	{for placing washers on nuts}	B23P19/08	B23P19/08		97
B23P19/084	10	{for placing resilient or flexible rings, e.g. O-rings, circlips}	B23P19/08	B23P19/08		858
B23P19/086	11	{Non-metallic protective bellows}	B23P19/08	B23P19/08		83
B23P19/088	11	{Piston rings in piston grooves}	B23P19/08	B23P19/08		112
B23P19/10	8	Aligning parts to be fitted together	B23P19/10	B23P19/10		2782
B23P19/102	9	{using remote centre compliance devices}	B23P19/10	B23P19/10		238
B23P19/105	10	{using sensing means}	B23P19/10	B23P19/10		384
B23P19/107	9	{using oscillating, rotating or vibrating movements}	B23P19/10	B23P19/10		135
B23P19/12	9	Alignment of parts for insertion into bores	B23P19/12	B23P19/12		705
B23P21/00	7	Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with program control	B23P21/00	B23P21/00		5805
B23P21/002	8	{the units stationary whilst being composed}	B23P21/00	B23P21/00		1217
B23P21/004	8	{the units passing two or more work-stations whilst being composed}	B23P21/00	B23P21/00		4269
B23P21/006	9	{the conveying means comprising a rotating table}	B23P21/00	B23P21/00		2641
B23P21/008	8	{the assembling machines or tools moving synchronously with the units while these are being assembled}	B23P21/00	B23P21/00		177
B23P23/00	7	Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass (if the particular kinds of operation are not essential B23Q37/00&#160;-&#160;B23Q41/00; {working by laser beam combined with other working of metal B23K26/0093})	B23P23/00	B23P23/00		4109
B23P23/02	8	Machine tools for performing different machining operations (lathes, e.g. capstan lathes, B23B; combined horizontal boring and milling machines B23B39/02)	B23P23/02	B23P23/02		5209
B23P23/04	8	for both machining and other metal-working operations	B23P23/04	B23P23/04		9861
B23P23/06	8	Metal-working plant comprising a number of associated machines or apparatus	B23P23/06	B23P23/06		3105
B23P25/00	7	Auxiliary treatment of workpieces, before or during machining operations, to facilitate the action of the tool or the attainment of a desired final condition of the work, e.g. relief of internal stress	B23P25/00	B23P25/00		490
B23P25/003	8	{immediately preceding a cutting tool}	B23P25/00	B23P25/00		245
B23P25/006	9	{Heating the workpiece by laser during machining}	B23P25/00	B23P25/00		188
B23P2700/00	7	Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups	CPCONLY	B23P2700/00		26
B23P2700/01	8	Aircraft parts	CPCONLY	B23P2700/01		675
B23P2700/02	8	Camshafts	CPCONLY	B23P2700/02		444
B23P2700/03	8	Catalysts or parts thereof	CPCONLY	B23P2700/03		78
B23P2700/04	8	Connecting rods	CPCONLY	B23P2700/04		178
B23P2700/05	8	Cooking vessels	CPCONLY	B23P2700/05		128
B23P2700/06	8	Cooling passages of turbine components, e.g. unblocking or preventing blocking of cooling passages of turbine components	CPCONLY	B23P2700/06		293
B23P2700/07	8	Crankshafts	CPCONLY	B23P2700/07		194
B23P2700/08	8	Fittings for doors and windows of buildings	CPCONLY	B23P2700/08		179
B23P2700/09	8	Heat pipes	CPCONLY	B23P2700/09		355
B23P2700/10	8	Heat sinks	CPCONLY	B23P2700/10		321
B23P2700/11	8	Joints, e.g. ball joints, universal joints	CPCONLY	B23P2700/11		272
B23P2700/12	8	Laminated parts	CPCONLY	B23P2700/12		179
B23P2700/13	8	Parts of turbine combustion chambers	CPCONLY	B23P2700/13		164
B23P2700/14	8	Suspension elements of automobile vehicles	CPCONLY	B23P2700/14		264
B23P2700/50	8	Other automobile vehicle parts, i.e. manufactured in assembly lines	CPCONLY	B23P2700/50		2783
