F27D1/00	7	Casings; Linings; Walls; Roofs	F27D1/00	F27D1/00		1049
F27D1/0003	8	{Linings or walls}<br><br><u>NOTE</u><br><br>not used, see subgroups	F27D1/00	F27D1/00		146
F27D1/0006	9	{Linings or walls formed from bricks or layers with a particular composition or specific characteristics}	F27D1/00	F27D1/00		1483
F27D1/0009	10	{Comprising ceramic fibre elements}	F27D1/00	F27D1/00		422
F27D1/0013	11	{the fibre elements being in the form of a folded blanket or a juxtaposition of folded blankets}	F27D1/00	F27D1/00		78
F27D1/0016	12	{Interleaved multiple folded blankets}	F27D1/00	F27D1/00		20
F27D1/002	11	{the fibre elements being composed of adjacent separate strips}	F27D1/00	F27D1/00		88
F27D1/0023	9	{Linings or walls comprising expansion joints or means to restrain expansion due to thermic flows}	F27D1/00	F27D1/00		184
F27D1/0026	10	{the expansion joint being a resilient element, e.g. a metallic plate between two bricks}	F27D1/00	F27D1/00		47
F27D1/003	9	{Linings or walls comprising porous bricks}	F27D1/00	F27D1/00		59
F27D1/0033	9	{Linings or walls comprising heat shields, e.g. heat shields}	F27D1/00	F27D1/00		412
F27D1/0036	9	{Linings or walls comprising means for supporting electric resistances in the furnace}	F27D1/00	F27D1/00		124
F27D1/004	9	{Linings or walls comprising means for securing bricks}	F27D1/00	F27D1/00		439
F27D1/0043	8	{Floors, hearths}	F27D1/00	F27D1/00		252
F27D2001/0046	8	{Means to facilitate repair or replacement or prevent quick wearing}	F27D1/00	F27D1/00		62
F27D2001/005	9	{Removable part or structure with replaceable elements}	F27D1/00	F27D1/00		105
F27D2001/0053	9	{Furnace constructed in modules}	F27D1/00	F27D1/00		43
F27D2001/0056	9	{Aspects of construction intended to prevent wear}	F27D1/00	F27D1/00		21
F27D2001/0059	8	{Construction elements of a furnace}	F27D1/00	F27D1/00		101
F27D2001/0063	9	{Means to strengthen a part}	F27D1/00	F27D1/00		29
F27D2001/0066	9	{Movable or removable parts}	F27D1/00	F27D1/00		109
F27D2001/0069	9	{Means to prevent heat conduction}	F27D1/00	F27D1/00		31
F27D2001/0073	10	{Surrounding protection around the furnace, e.g. covers, circulation of gas}	F27D1/00	F27D1/00		43
F27D2001/0076	9	{comprising a corrugated sheet}	F27D1/00	F27D1/00		9
F27D2001/0079	8	{Means to assemble at least two parts of a furnace or of any device or accessory associated to its use}	F27D1/00	F27D1/00		45
F27D2001/0083	9	{Means to assemble a moving part to a fixed one}	F27D1/00	F27D1/00		11
F27D2001/0086	10	{the moving part being in rotation}	F27D1/00	F27D1/00		18
F27D2001/0089	10	{the moving part being in translation}	F27D1/00	F27D1/00		9
F27D2001/0093	10	{the moving part being hinged to the fixed one}	F27D1/00	F27D1/00		10
F27D2001/0096	10	{the moving part staying in the same plane}	F27D1/00	F27D1/00		8
F27D1/02	8	Crowns; Roofs	F27D1/02	F27D1/02		319
F27D1/021	9	{Suspended roofs}	F27D1/02	F27D1/02		654
F27D1/022	10	{Parts thereof, e.g. noses, arches}	F27D1/02	F27D1/02		142
F27D1/024	10	{having an anchored layer of lining}	F27D1/02	F27D1/02		20
F27D1/025	9	{Roofs supported around their periphery, e.g. arched roofs}	F27D1/02	F27D1/02		256
F27D1/027	10	{Skew backs}	F27D1/02	F27D1/02		52
F27D1/028	10	{Means to prevent deformation of the arch}	F27D1/02	F27D1/02		16
F27D1/04	8	characterised by the form {, e.g. shape} of the bricks or blocks used	F27D1/04	F27D1/04		1107
F27D1/042	9	{Bricks shaped for use in regenerators}	F27D1/04	F27D1/04		102
F27D1/045	9	{Bricks for lining cylindrical bodies, e.g. skids, tubes}	F27D1/04	F27D1/04		202
F27D2001/047	10	{Lining of cylindrical vessels}	F27D1/04	F27D1/04		43
F27D1/06	9	Composite bricks or blocks {, e.g. panels, modules}	F27D1/06	F27D1/06		303
F27D1/063	10	{Individual composite bricks or blocks}	F27D1/06	F27D1/06		117
F27D1/066	11	{Individual composite bricks or blocks made from hollow bricks filled up with another material}	F27D1/06	F27D1/06		44
F27D1/08	10	Bricks or blocks with internal reinforcement or metal backing	F27D1/08	F27D1/08		475
F27D1/10	8	Monolithic linings; Supports therefor<br><br><u>NOTE</u><br><br>supports are classified in F27D1/14	F27D1/10	F27D1/10		343
F27D1/12	8	incorporating cooling arrangements	F27D1/12	F27D1/12		1310
F27D1/14	8	Supports for linings (supports for monolithic linings F27D1/10)	F27D1/14	F27D1/14		272
F27D1/141	9	{Anchors therefor}	F27D1/14	F27D1/14		307
F27D1/142	10	{Anchors made from ceramic material}	F27D1/14	F27D1/14		90
F27D1/144	9	{Supports for ceramic fibre materials}	F27D1/14	F27D1/14		159
F27D1/145	9	{Assembling elements}	F27D1/14	F27D1/14		224
F27D1/147	10	{for bricks}	F27D1/14	F27D1/14		75
F27D1/148	11	{Means to suspend bricks}	F27D1/14	F27D1/14		125
F27D1/16	8	Making or repairing linings {; Increasing the durability of linings; Breaking away linings}	F27D1/16	F27D1/16		1127
F27D2001/1605	9	{Repairing linings}	F27D1/16	F27D1/16		281
F27D2001/161	10	{Hot repair}	F27D1/16	F27D1/16		86
F27D2001/1615	10	{through a hole in the casing, e.g. injecting refractory from outside the vessel}	F27D1/16	F27D1/16		52
F27D1/1621	9	{Making linings by using shaped elements, e.g. bricks}	F27D1/16	F27D1/16		480
F27D1/1626	9	{Making linings by compacting a refractory mass in the space defined by a backing mould or pattern and the furnace wall}	F27D1/16	F27D1/16		324
F27D2001/1631	10	{using an expandable core}	F27D1/16	F27D1/16		23
F27D1/1636	9	{Repairing linings by projecting or spraying refractory materials on the lining}	F27D1/16	F27D1/16		287
F27D1/1642	10	{using a gunning apparatus}	F27D1/16	F27D1/16		239
F27D1/1647	11	{the projected materials being partly melted, e.g. by exothermic reactions of metals (Al, Si) with oxygen}	F27D1/16	F27D1/16		57
F27D1/1652	12	{Flame guniting; Use of a fuel}	F27D1/16	F27D1/16		71
F27D2001/1657	13	{Solid fuel}	F27D1/16	F27D1/16		24
F27D2001/1663	13	{Fluid fuel, e.g. gas}	F27D1/16	F27D1/16		21
F27D1/1668	12	{Plasma guniting}	F27D1/16	F27D1/16		10
F27D1/1673	10	{applied centrifugally}	F27D1/16	F27D1/16		59
F27D1/1678	9	{Increasing the durability of linings; Means for protecting}	F27D1/16	F27D1/16		197
F27D1/1684	10	{by a special coating applied to the lining}	F27D1/16	F27D1/16		171
F27D2001/1689	11	{obtained from materials added to the melt}	F27D1/16	F27D1/16		35
F27D1/1694	9	{Breaking away the lining or removing parts thereof}	F27D1/16	F27D1/16		202
F27D1/18	8	Door frames; Doors, lids or removable covers	F27D1/18	F27D1/18		545
F27D1/1808	9	{Removable covers}	F27D1/18	F27D1/18		765
F27D1/1816	10	{Removable covers specially adapted for arc furnaces}	F27D1/18	F27D1/18		272
F27D2001/1825	10	{Means for moving the cover}	F27D1/18	F27D1/18		178
F27D2001/1833	11	{comprising a screw mechanism}	F27D1/18	F27D1/18		14
F27D2001/1841	11	{comprising means for rotating or moving the cover in a horizontal or quasi horizontal plane}	F27D1/18	F27D1/18		45
F27D2001/185	11	{comprising means for tilting the cover}	F27D1/18	F27D1/18		28
F27D1/1858	9	{Doors}	F27D1/18	F27D1/18		1517
F27D1/1866	10	{Door-frames}	F27D1/18	F27D1/18		155
F27D2001/1875	10	{Hanging doors and walls}	F27D1/18	F27D1/18		80
F27D2001/1883	11	{Hanging curtains}	F27D1/18	F27D1/18		22
F27D2001/1891	10	{Doors for separating two chambers in the furnace}	F27D1/18	F27D1/18		58
F27D3/00	7	Charging; Discharging; Manipulation of charge	F27D3/00	F27D3/00		1802
F27D2003/0001	8	{Positioning the charge}	F27D3/00	F27D3/00		79
F27D2003/0002	9	{involving positioning devices, e.g. buffers, buffer zones}	F27D3/00	F27D3/00		276
F27D2003/0003	9	{involving a system for aligning the articles through a lateral guidance, e.g. funnel}	F27D3/00	F27D3/00		75
F27D2003/0004	9	{involving devices for measuring the article, the stack of articles or the height of the furnace passage or for adjusting the height of the passage to the charge or for putting the articles in the same position}	F27D3/00	F27D3/00		70
F27D2003/0006	9	{Particulate materials}	F27D3/00	F27D3/00		71
F27D2003/0007	10	{Circular distribution}	F27D3/00	F27D3/00		76
F27D2003/0008	10	{Longitudinal distribution}	F27D3/00	F27D3/00		56
F27D2003/0009	10	{Separation of different types of fines, e.g. by a blower}	F27D3/00	F27D3/00		61
F27D2003/001	10	{Series of dispensers or separation in teo or more parts}	F27D3/00	F27D3/00		48
F27D2003/0012	9	{Working with piles}	F27D3/00	F27D3/00		30
F27D2003/0013	10	{Unstacking or making stacks}	F27D3/00	F27D3/00		88
F27D2003/0014	9	{involving the use of magazines}	F27D3/00	F27D3/00		19
F27D2003/0015	10	{the magazine being vertical}	F27D3/00	F27D3/00		25
F27D2003/0016	10	{the magazine being a rotary device}	F27D3/00	F27D3/00		36
F27D2003/0018	9	{comprising means to introduce or extract the charge in series of separate containers or zones}	F27D3/00	F27D3/00		22
F27D2003/0019	10	{simultaneously}	F27D3/00	F27D3/00		22
F27D2003/002	9	{Transforming a single row in a multiple row}	F27D3/00	F27D3/00		10
F27D3/0021	8	{of ceramic ware}	F27D3/00	F27D3/00		340
F27D3/0022	9	{Disposition of the charge}	F27D3/00	F27D3/00		102
F27D3/0024	8	{of metallic workpieces}	F27D3/00	F27D3/00		558
F27D3/0025	8	{Charging or loading melting furnaces with material in the solid state}	F27D3/00	F27D3/00		679
F27D3/0026	9	{Introducing additives into the melt}	F27D3/00	F27D3/00		289
F27D3/0027	9	{Charging vertically with corbs}	F27D3/00	F27D3/00		61
F27D3/0028	10	{Corbs}	F27D3/00	F27D3/00		77
F27D3/003	9	{Charging laterally, e.g. with a charging box}	F27D3/00	F27D3/00		339
F27D3/0031	9	{Charging with tiltable dumpers}	F27D3/00	F27D3/00		138
F27D3/0032	9	{using an air-lock}	F27D3/00	F27D3/00		104
F27D3/0033	8	{charging of particulate material}	F27D3/00	F27D3/00		845
F27D2003/0034	8	{Means for moving, conveying, transporting the charge in the furnace or in the charging facilities}	F27D3/00	F27D3/00		190
F27D2003/0036	9	{comprising inflatable or extendable parts}	F27D3/00	F27D3/00		20
F27D2003/0037	9	{comprising friction surfaces}	F27D3/00	F27D3/00		5
F27D2003/0038	9	{comprising shakers}	F27D3/00	F27D3/00		236
F27D2003/0039	9	{comprising magnetic means}	F27D3/00	F27D3/00		100
F27D2003/004	10	{Magnetic lifters}	F27D3/00	F27D3/00		32
F27D2003/0042	9	{comprising roller trains}	F27D3/00	F27D3/00		226
F27D2003/0043	10	{at least one of them being driven separately}	F27D3/00	F27D3/00		21
F27D2003/0044	10	{at least one of them being removable}	F27D3/00	F27D3/00		14
F27D2003/0045	10	{Use of rollable bodies, e.g. balls}	F27D3/00	F27D3/00		19
F27D2003/0046	9	{comprising one or more movable arms, e.g. forks}	F27D3/00	F27D3/00		172
F27D2003/0048	10	{Walking beams}	F27D3/00	F27D3/00		29
F27D2003/0049	11	{comprising eccentrics or lever arms}	F27D3/00	F27D3/00		17
F27D2003/005	11	{comprising ramps}	F27D3/00	F27D3/00		9
F27D2003/0051	9	{comprising means to pick up the charge and put it down}	F27D3/00	F27D3/00		123
F27D2003/0053	9	{comprising a device for charging with the doors closed}	F27D3/00	F27D3/00		47
F27D2003/0054	9	{Means to move molten metal, e.g. electromagnetic pump}	F27D3/00	F27D3/00		87
F27D2003/0055	10	{with flow regulation}	F27D3/00	F27D3/00		15
F27D2003/0056	10	{through a syphon in a vacuum chamber, e.g. involving aspiration or pressure on the bath}	F27D3/00	F27D3/00		36
F27D2003/0057	9	{Fast-outlet or inlet means}	F27D3/00	F27D3/00		19
F27D2003/0059	9	{comprising tracks, e.g. rails and wagon}	F27D3/00	F27D3/00		167
F27D2003/006	10	{with a return track}	F27D3/00	F27D3/00		87
F27D2003/0061	10	{with means for changing track}	F27D3/00	F27D3/00		56
F27D2003/0062	9	{using devices for tilting or rocking the charge}	F27D3/00	F27D3/00		124
F27D2003/0063	9	{comprising endless belts}	F27D3/00	F27D3/00		247
F27D2003/0065	9	{Lifts, e.g. containing the bucket elevators}	F27D3/00	F27D3/00		251
F27D2003/0066	9	{comprising scrapers or systems to pull out}	F27D3/00	F27D3/00		43
F27D2003/0067	9	{comprising conveyors where the translation is communicated by friction from at least one rotating element, e.g. two opposed rotations combined}	F27D3/00	F27D3/00		106
F27D2003/0068	9	{comprising clamps or tongs}	F27D3/00	F27D3/00		177
F27D2003/0069	9	{the device being suspended, e.g. from a crane}	F27D3/00	F27D3/00		82
F27D2003/0071	9	{Use of a comminuting device, e.g. grinding mill}	F27D3/00	F27D3/00		173
F27D2003/0072	9	{Use of a pinion and a rack}	F27D3/00	F27D3/00		33
F27D2003/0073	9	{the charge floating on a liquid, e.g. water}	F27D3/00	F27D3/00		8
F27D2003/0074	10	{floating on water}	F27D3/00	F27D3/00		4
F27D2003/0075	9	{Charging or discharging vertically, e.g. through a bottom opening}	F27D3/00	F27D3/00		91
F27D2003/0077	9	{Use of centrifugal devices}	F27D3/00	F27D3/00		12
F27D2003/0078	9	{comprising jacks, e.g. hydraulic jacks}	F27D3/00	F27D3/00		30
F27D2003/0079	9	{Use of cams}	F27D3/00	F27D3/00		5
F27D2003/008	9	{comprising cross-beams or gantry cranes}	F27D3/00	F27D3/00		154
F27D2003/0081	9	{Series of little rams}	F27D3/00	F27D3/00		6
F27D2003/0083	9	{Means for stirring the charge}	F27D3/00	F27D3/00		241
F27D3/0084	8	{Charging; Manipulation of SC or SC wafers}	F27D3/00	F27D3/00		313
F27D2003/0085	8	{Movement of the container or support of the charge in the furnace or in the charging facilities}	F27D3/00	F27D3/00		40
F27D2003/0086	9	{Up or down}	F27D3/00	F27D3/00		85
F27D2003/0087	9	{Rotation about a vertical axis}	F27D3/00	F27D3/00		189
F27D2003/0089	9	{Rotation about a horizontal or slightly inclined axis}	F27D3/00	F27D3/00		85
F27D2003/009	10	{Oscillations about a horizontal axis;  Rocking}	F27D3/00	F27D3/00		95
F27D2003/0091	9	{Horizontally}	F27D3/00	F27D3/00		39
F27D2003/0092	10	{with a reciprocating movement}	F27D3/00	F27D3/00		32
F27D2003/0093	9	{Movement on a slope}	F27D3/00	F27D3/00		91
F27D2003/0095	9	{the advancement being step by step}	F27D3/00	F27D3/00		10
F27D2003/0096	9	{Advancement along the longitudinal axis of the workpiece}	F27D3/00	F27D3/00		12
F27D2003/0097	9	{Advancement along an axis perpendicular to the axis of the workpiece}	F27D3/00	F27D3/00		6
F27D2003/0098	10	{Workpiece rolling on its support}	F27D3/00	F27D3/00		10
F27D3/02	8	Skids or tracks for heavy objects	F27D3/02	F27D3/02		251
F27D3/022	9	{Skids}	F27D3/02	F27D3/02		272
F27D3/024	10	{Details of skids, e.g. riders}	F27D3/02	F27D3/02		150
F27D3/026	9	{transport or conveyor rolls for furnaces; roller rails}	F27D3/02	F27D3/02		648
F27D3/028	10	{Roller rails or succession of small sized rollers}	F27D3/02	F27D3/02		99
F27D3/04	8	Ram or pusher apparatus	F27D3/04	F27D3/04		632
F27D2003/045	9	{used to pull the charge}	F27D3/04	F27D3/04		18
F27D3/06	8	Charging or discharging machines on travelling carriages	F27D3/06	F27D3/06		536
F27D3/08	8	Screw feeders; Screw dischargers	F27D3/08	F27D3/08		447
F27D3/10	8	Charging directly from hoppers or shoots	F27D3/10	F27D3/10		1145
F27D2003/105	9	{using shutters}	F27D3/10	F27D3/10		180
F27D3/12	8	Travelling or movable supports or containers for the charge	F27D3/12	F27D3/12		1357
F27D2003/121	9	{Band, belt or mesh}	F27D3/12	F27D3/12		192
F27D2003/122	10	{Band made from longitudinal wires or bars}	F27D3/12	F27D3/12		19
F27D3/123	9	{Furnace cars}	F27D3/12	F27D3/12		716
F27D2003/124	9	{Sleds;  Transport supports}	F27D3/12	F27D3/12		234
F27D2003/125	9	{Charging cars, lift trolleys}	F27D3/12	F27D3/12		273
F27D2003/126	10	{with long arms, charging forks}	F27D3/12	F27D3/12		46
F27D2003/127	10	{for carrying pots}	F27D3/12	F27D3/12		107
F27D2003/128	10	{for carrying stacks of articles, e.g. bricks}	F27D3/12	F27D3/12		43
F27D3/14	8	Charging or discharging liquid or molten material	F27D3/14	F27D3/14		1043
F27D3/145	9	{Runners therefor}	F27D3/14	F27D3/14		318
F27D3/15	8	Tapping equipment; Equipment for removing {or retaining} slag	F27D3/15	F27D3/15		226
F27D3/1509	9	{Tapping equipment}	F27D3/15	F27D3/15		441
F27D3/1518	10	{Tapholes}	F27D3/15	F27D3/15		288
F27D3/1527	10	{Taphole forming equipment, e.g. boring machines, piercing tools}	F27D3/15	F27D3/15		416
F27D3/1536	10	{Devices for plugging tap holes, e.g. plugs stoppers}<br><br><u>NOTE</u><br><br> the devices fixed permanently to the melt container are classified in F27D3/1509	F27D3/15	F27D3/15		529
F27D3/1545	9	{Equipment for removing or retaining slag}	F27D3/15	F27D3/15		671
F27D3/1554	10	{for removing the slag from the surface of the melt}	F27D3/15	F27D3/15		219
F27D3/1563	11	{by the use of scrapers}	F27D3/15	F27D3/15		184
F27D3/1572	11	{by suction}	F27D3/15	F27D3/15		41
F27D3/1581	11	{by the use of blowers}	F27D3/15	F27D3/15		24
F27D3/159	10	{for retaining slag during the pouring of the metal or retaining metal during the pouring of the slag}	F27D3/15	F27D3/15		215
F27D3/16	8	Introducing a fluid jet or current into the charge (F27D3/18 takes precedence)	F27D3/16	F27D3/16		1072
F27D2003/161	9	{through a porous element}	F27D3/16	F27D3/16		102
F27D2003/162	9	{the fluid being an oxidant or a fuel}	F27D3/16	F27D3/16		39
F27D2003/163	10	{the fluid being an oxidant}	F27D3/16	F27D3/16		39
F27D2003/164	11	{Oxygen}	F27D3/16	F27D3/16		175
F27D2003/165	10	{the fluid being a fuel}	F27D3/16	F27D3/16		85
F27D2003/166	9	{the fluid being a treatment gas}	F27D3/16	F27D3/16		120
F27D2003/167	9	{the fluid being a neutral gas}	F27D3/16	F27D3/16		114
F27D2003/168	9	{through a lance}	F27D3/16	F27D3/16		259
F27D2003/169	10	{Construction of the lance, e.g. lances for injecting particles}	F27D3/16	F27D3/16		301
F27D3/18	8	Charging particulate material using a fluid carrier	F27D3/18	F27D3/18		800
F27D2003/185	9	{Conveying particles in a conduct using a fluid}	F27D3/18	F27D3/18		105
F27D5/00	7	Supports, screens or the like for the charge within the furnace	F27D5/00	F27D5/00		1104
F27D5/0006	8	{Composite supporting structures}	F27D5/00	F27D5/00		627
F27D5/0012	9	{Modules of the sagger or setter type; Supports built up from them}	F27D5/00	F27D5/00		537
F27D5/0018	9	{Separating elements}	F27D5/00	F27D5/00		162
F27D5/0025	9	{assembled to present a three-point support}	F27D5/00	F27D5/00		79
F27D5/0031	8	{Treatment baskets for ceramic articles}	F27D5/00	F27D5/00		133
F27D5/0037	8	{Supports specially adapted for semi-conductors}	F27D5/00	F27D5/00		199
F27D5/0043	8	{Supports specially adapted for dental prosthesis}	F27D5/00	F27D5/00		51
F27D5/005	8	{Supports specially adapted for holding elongated articles in an upright position, e.g. sparking plugs}	F27D5/00	F27D5/00		99
F27D5/0056	8	{Hangers}	F27D5/00	F27D5/00		76
F27D5/0062	8	{Shields for the charge}	F27D5/00	F27D5/00		77
F27D5/0068	8	{Containers}	F27D5/00	F27D5/00		351
F27D2005/0075	9	{Pots, e.g. slag pots, ladles}	F27D5/00	F27D5/00		105
F27D2005/0081	8	{Details}	F27D5/00	F27D5/00		137
F27D2005/0087	9	{Means to prevent the adherence of the charge}	F27D5/00	F27D5/00		37
F27D2005/0093	9	{Means to maintain the form of the article}	F27D5/00	F27D5/00		28
F27D7/00	7	Forming, maintaining or circulating atmospheres in heating chambers	F27D7/00	F27D7/00		278
F27D7/02	8	Supplying steam, vapour, gases or liquids	F27D7/02	F27D7/02		1592
F27D2007/023	9	{Conduits}	F27D7/02	F27D7/02		409
F27D2007/026	9	{Dampers}	F27D7/02	F27D7/02		87
F27D7/04	8	Circulating atmospheres by mechanical means	F27D7/04	F27D7/04		669
F27D2007/045	9	{Fans}	F27D7/04	F27D7/04		273
F27D7/06	8	Forming or maintaining special atmospheres or vacuum within heating chambers (supplying steam, vapour, gases or liquids F27D7/02)	F27D7/06	F27D7/06		1454
F27D2007/063	9	{Special atmospheres, e.g. high pressure atmospheres}	F27D7/06	F27D7/06		421
F27D2007/066	9	{Vacuum}	F27D7/06	F27D7/06		489
F27D9/00	7	Cooling of furnaces or of charges therein (casings, linings, walls or roofs incorporating cooling arrangements F27D1/12)	F27D9/00	F27D9/00		2828
F27D2009/0002	8	{Cooling of furnaces}	F27D9/00	F27D9/00		244
F27D2009/0005	9	{the cooling medium being a gas}	F27D9/00	F27D9/00		417
F27D2009/0008	10	{Ways to inject gases against surfaces}	F27D9/00	F27D9/00		71
F27D2009/001	9	{the cooling medium being a fluid other than a gas}	F27D9/00	F27D9/00		99
F27D2009/0013	10	{the fluid being water}	F27D9/00	F27D9/00		826
F27D2009/0016	11	{Water-spray}	F27D9/00	F27D9/00		135
F27D2009/0018	9	{the cooling medium passing through a pattern of tubes}	F27D9/00	F27D9/00		155
F27D2009/0021	10	{with the parallel tube parts close to each other, e.g. a serpentine}	F27D9/00	F27D9/00		86
F27D2009/0024	11	{with contiguous tubes, which may be separately welded one to the other}	F27D9/00	F27D9/00		40
F27D2009/0027	11	{linked by elements}	F27D9/00	F27D9/00		31
F27D2009/0029	11	{fixed, e.g. welded to a supporting surface}	F27D9/00	F27D9/00		17
F27D2009/0032	10	{integrated with refractories in a panel}	F27D9/00	F27D9/00		51
F27D2009/0035	10	{arranged for the covering of a cylindrical surface}	F27D9/00	F27D9/00		18
F27D2009/0037	9	{the cooling medium passing a radiator}	F27D9/00	F27D9/00		34
F27D2009/004	9	{the cooling medium passing a waterbox}	F27D9/00	F27D9/00		80
F27D2009/0043	10	{Insert type waterbox, e.g. cylindrical or flat type}	F27D9/00	F27D9/00		61
F27D2009/0045	9	{the cooling medium passing a block, e.g. metallic}	F27D9/00	F27D9/00		46
F27D2009/0048	10	{incorporating conduits for the medium}	F27D9/00	F27D9/00		99
F27D2009/0051	9	{comprising use of studs to transfer heat or retain the liner}	F27D9/00	F27D9/00		79
F27D2009/0054	10	{adapted to retain formed bricks}	F27D9/00	F27D9/00		35
F27D2009/0056	9	{Use of high thermoconductive elements}	F27D9/00	F27D9/00		19
F27D2009/0059	10	{made mostly from graphite}	F27D9/00	F27D9/00		4
F27D2009/0062	10	{made from copper or copper alloy}	F27D9/00	F27D9/00		66
F27D2009/0064	9	{Cooling of furnace arches}	F27D9/00	F27D9/00		30
F27D2009/0067	9	{Cooling element inlet and outlet tubes}	F27D9/00	F27D9/00		36
F27D2009/007	8	{Cooling of charges therein}	F27D9/00	F27D9/00		120
F27D2009/0072	9	{the cooling medium being a gas}	F27D9/00	F27D9/00		76
F27D2009/0075	10	{in direct contact with the charge}	F27D9/00	F27D9/00		188
F27D2009/0078	10	{in indirect contact with the charge}	F27D9/00	F27D9/00		47
F27D2009/0081	9	{the cooling medium being a fluid (other than a gas in direct or indirect contact with the charge)}	F27D9/00	F27D9/00		51
F27D2009/0083	10	{the fluid being water}	F27D9/00	F27D9/00		155
F27D2009/0086	11	{applied in spray form}	F27D9/00	F27D9/00		74
F27D2009/0089	9	{Quenching}	F27D9/00	F27D9/00		67
F27D2009/0091	9	{in a fluidised bed of cooling elements}	F27D9/00	F27D9/00		5
F27D2009/0094	9	{making use of already cooled material, e.g. forming a layer}	F27D9/00	F27D9/00		11
F27D2009/0097	10	{the charge being used as a coolant}	F27D9/00	F27D9/00		2
F27D11/00	7	Arrangement of elements for electric heating in or on furnaces	F27D11/00	F27D11/00		787
F27D11/02	8	Ohmic resistance heating	F27D11/02	F27D11/02		2158
F27D11/04	9	with direct passage of current through the material being heated	F27D11/04	F27D11/04		373
F27D11/06	8	Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer	F27D11/06	F27D11/06		743
F27D11/08	8	Heating by electric discharge, e.g. arc discharge	F27D11/08	F27D11/08		1226
F27D11/10	9	Disposition of electrodes	F27D11/10	F27D11/10		840
F27D11/12	8	with electromagnetic fields acting directly on the material being heated	F27D11/12	F27D11/12		216
F27D13/00	7	Apparatus for preheating charges; Arrangements for preheating charges	F27D13/00	F27D13/00		1374
F27D13/002	8	{Preheating scrap}	F27D13/00	F27D13/00		410
F27D13/005	8	{Drying of green clay prior to baking}	F27D13/00	F27D13/00		96
F27D2013/007	8	{using a rotary furnace}	F27D13/00	F27D13/00		61
F27D15/00	7	Handling or treating discharged material; Supports or receiving chambers therefor	F27D15/00	F27D15/00		167
F27D15/02	8	Cooling	F27D15/02	F27D15/02		1197
F27D15/0206	9	{with means to convey the charge}	F27D15/02	F27D15/02		404
F27D15/0213	10	{comprising a cooling grate}	F27D15/02	F27D15/02		479
F27D15/022	11	{grate plates}	F27D15/02	F27D15/02		223
F27D2015/0226	12	{Support, fixation of the grate}	F27D15/02	F27D15/02		42
F27D2015/0233	12	{with gas, e.g. air, supply to the grate}	F27D15/02	F27D15/02		96
F27D2015/024	11	{Multiple grates}	F27D15/02	F27D15/02		43
F27D2015/0246	11	{Combination of fixed and movable grates}	F27D15/02	F27D15/02		37
F27D2015/0253	12	{Gradin grates}	F27D15/02	F27D15/02		38
F27D2015/026	11	{Means to discharge the fines}	F27D15/02	F27D15/02		45
F27D15/0266	10	{on an endless belt}	F27D15/02	F27D15/02		145
F27D15/0273	10	{on a rotary hearth}	F27D15/02	F27D15/02		77
F27D15/028	10	{comprising a rotary drum}	F27D15/02	F27D15/02		155
F27D15/0286	9	{in a vertical, e.g. annular, shaft}	F27D15/02	F27D15/02		245
F27D2015/0293	10	{including rotating parts}	F27D15/02	F27D15/02		56
F27D17/00	7	Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases<br><br><u>WARNING</u><br>Group F27D17/00 is impacted by reclassification into groups F27D17/20, F27D17/22, F27D17/25 and F27D17/28. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F27D17/00	F27D17/00		1221
F27D17/10	8	Arrangements for using waste heat<br><br><u>WARNING</u><br>Group F27D17/10 is impacted by reclassification into groups F27D17/12, F27D17/15, F27D17/17 and F27D17/18. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F27D17/10	F27D17/10		6949
F27D17/102	9	{including pyrolising the waste gases}	F27D17/10	F27D17/10		69
F27D17/12	9	using heat storage<br><br><u>WARNING</u><br>Group F27D17/12 is incomplete pending reclassification of documents from group F27D17/10. <br>Groups F27D17/10 and F27D17/12 should be considered in order to perform a complete search.	F27D17/12	F27D17/12		26
F27D17/13	10	using regenerative heat exchangers	F27D17/13	F27D17/13		396
F27D17/15	9	using boilers<br><br><u>WARNING</u><br>Group F27D17/15 is incomplete pending reclassification of documents from group F27D17/10. <br>Groups F27D17/10 and F27D17/15 should be considered in order to perform a complete search.	F27D17/15	F27D17/15		906
F27D17/17	9	for preheating fluids, e.g. air or gases<br><br><u>WARNING</u><br>Group F27D17/17 is incomplete pending reclassification of documents from group F27D17/10. <br>Groups F27D17/10 and F27D17/17 should be considered in order to perform a complete search.	F27D17/17	F27D17/17		134
F27D17/18	9	for preheating solid materials<br><br><u>WARNING</u><br>Group F27D17/18 is incomplete pending reclassification of documents from group F27D17/10. <br>Groups F27D17/10 and F27D17/18 should be considered in order to perform a complete search.	F27D17/18	F27D17/18		99
F27D17/20	8	Arrangements for treatment or cleaning of waste gases<br><br><u>WARNING</u><br>Group F27D17/20 is incomplete pending reclassification of documents from group F27D17/00. <br>Group F27D17/20 is also impacted by reclassification into groups F27D17/22, F27D17/25 and F27D17/28. <br>All groups listed in this Warning should be considered in order to perform a complete search.	F27D17/20	F27D17/20		3921
F27D17/22	9	for removing solid constituents<br><br><u>WARNING</u><br>Groups F27D17/22 and F27D17/25 are incomplete pending reclassification of documents from groups F27D17/00 and F27D17/20. <br>All groups listed in this warning should be considered in order to perform a complete search.	F27D17/22	F27D17/22		283
F27D17/25	10	using cyclones	F27D17/25	F27D17/25		230
F27D17/28	9	for cooling waste gases<br><br><u>WARNING</u><br>Group F27D17/28 is incomplete pending reclassification of documents from groups F27D17/00 and F27D17/20. <br>Groups F27D17/00, F27D17/20 and F27D17/28 should be considered in order to perform a complete search.	F27D17/28	F27D17/28		117
F27D17/30	8	Arrangements for extraction or collection of waste gases; Hoods therefor	F27D17/30	F27D17/30		1403
F27D17/302	9	{Constructional details of ancillary components, e.g. waste gas conduits or seals}	F27D17/30	F27D17/30		864
F27D17/304	9	{specially adapted for electric arc furnaces}	F27D17/30	F27D17/30		425
F27D19/00	7	Arrangements of controlling devices	F27D19/00	F27D19/00		5716
F27D2019/0003	8	{Monitoring the temperature or a characteristic of the charge and using it as a controlling value}	F27D19/00	F27D19/00		1256
F27D2019/0006	8	{Monitoring the characteristics (composition, quantities, temperature, pressure) of at least one of the gases of the kiln atmosphere and using it as a controlling value}	F27D19/00	F27D19/00		329
F27D2019/0009	9	{Monitoring the pressure in an enclosure or kiln zone}	F27D19/00	F27D19/00		263
F27D2019/0012	9	{Monitoring the composition of the atmosphere or of one of their components}	F27D19/00	F27D19/00		156
F27D2019/0015	10	{Monitoring the composition of the exhaust gases or of one of its components}	F27D19/00	F27D19/00		122
F27D2019/0018	9	{Monitoring the temperature of the atmosphere of the kiln}	F27D19/00	F27D19/00		273
F27D2019/0021	10	{Monitoring the temperature of the exhaust gases}	F27D19/00	F27D19/00		93
F27D2019/0025	9	{Monitoring the temperature of a part or of an element of the furnace structure}	F27D19/00	F27D19/00		72
F27D2019/0028	8	{Regulation}	F27D19/00	F27D19/00		375
F27D2019/0031	9	{through control of the flow of the exhaust gases}	F27D19/00	F27D19/00		301
F27D2019/0034	9	{through control of a heating quantity such as fuel, oxidant or intensity of current}	F27D19/00	F27D19/00		281
F27D2019/0037	10	{Quantity of electric current}	F27D19/00	F27D19/00		218
F27D2019/004	10	{Fuel quantity}	F27D19/00	F27D19/00		369
F27D2019/0043	11	{Amount of air or O2 to the burner}	F27D19/00	F27D19/00		241
F27D2019/0046	11	{Amount of secondary air to the burner}	F27D19/00	F27D19/00		17
F27D2019/005	10	{Amount of heat given to the charge via a controlled heat exchanger}	F27D19/00	F27D19/00		13
F27D2019/0053	11	{involving heating the charge in a fluid or fluidised medium}	F27D19/00	F27D19/00		4
F27D2019/0056	9	{Regulation involving cooling}	F27D19/00	F27D19/00		297
F27D2019/0059	9	{Regulation involving the control of the conveyor movement, e.g. speed or sequences}	F27D19/00	F27D19/00		239
F27D2019/0062	10	{control of the workpiece stay in different zones}	F27D19/00	F27D19/00		28
F27D2019/0065	9	{Regulation involving controlled section modification}	F27D19/00	F27D19/00		16
F27D2019/0068	9	{Regulation involving a measured inflow of a particular gas in the enclosure}	F27D19/00	F27D19/00		175
F27D2019/0071	9	{Regulation using position sensors}	F27D19/00	F27D19/00		162
F27D2019/0075	9	{Regulation of the charge quantity}	F27D19/00	F27D19/00		336
F27D2019/0078	9	{Regulation of the speed of the gas through the charge}	F27D19/00	F27D19/00		70
F27D2019/0081	8	{Controlling an air-lock chamber}	F27D19/00	F27D19/00		15
F27D2019/0084	8	{Controlling closure systems, e.g. doors}	F27D19/00	F27D19/00		108
F27D2019/0087	8	{Automatisation of the whole plant or activity}	F27D19/00	F27D19/00		116
F27D2019/009	9	{Use of codes, e.g. bar codes}	F27D19/00	F27D19/00		9
F27D2019/0093	8	{Maintaining a temperature gradient}	F27D19/00	F27D19/00		69
F27D2019/0096	8	{involving simulation means, e.g. of the treating or charging step}	F27D19/00	F27D19/00		122
F27D21/00	7	Arrangement of monitoring devices; Arrangement of safety devices	F27D21/00	F27D21/00		1900
F27D2021/0007	8	{Monitoring the pressure}	F27D21/00	F27D21/00		314
F27D21/0014	8	{Devices for monitoring temperature}	F27D21/00	F27D21/00		1611
F27D21/0021	8	{Devices for monitoring linings for wear}	F27D21/00	F27D21/00		264
F27D21/0028	8	{Devices for monitoring the level of the melt}	F27D21/00	F27D21/00		247
F27D21/0035	8	{Devices for monitoring the weight of quantities added to the charge}	F27D21/00	F27D21/00		147
F27D2021/0042	9	{Monitoring the level of the solid charge}	F27D21/00	F27D21/00		73
F27D2021/005	8	{Devices for monitoring thermal expansion}	F27D21/00	F27D21/00		27
F27D2021/0057	8	{Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress;  Ergonomic aspects}	F27D21/00	F27D21/00		318
F27D2021/0064	9	{against noises}	F27D21/00	F27D21/00		13
F27D2021/0071	9	{against explosions}	F27D21/00	F27D21/00		143
F27D2021/0078	9	{against the presence of an undesirable element in the atmosphere of the furnace}	F27D21/00	F27D21/00		31
F27D2021/0085	9	{against molten metal, e.g. leakage or splashes}	F27D21/00	F27D21/00		149
F27D2021/0092	9	{against a jam in the transport line or a production interruption}	F27D21/00	F27D21/00		63
F27D21/02	8	Observation or illuminating devices	F27D21/02	F27D21/02		1075
F27D2021/023	9	{Closable inserting openings, e.g. for the introduction of lances, sensors or burners}	F27D21/02	F27D21/02		80
F27D2021/026	9	{using a video installation}	F27D21/02	F27D21/02		362
F27D21/04	8	Arrangement of indicators or alarms	F27D21/04	F27D21/04		694
F27D25/00	7	Devices {or methods} for removing incrustations {, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag}	F27D25/00	F27D25/00		857
F27D25/001	8	{comprising breaking tools, e.g. hammers, drills, scrapers}	F27D25/00	F27D25/00		1080
F27D25/003	9	{used for punching tuyeres}	F27D25/00	F27D25/00		61
F27D25/005	9	{used for cleaning the channels of induction furnaces}	F27D25/00	F27D25/00		29
F27D25/006	8	{using explosives}	F27D25/00	F27D25/00		70
F27D25/008	8	{using fluids or gases, e.g. blowers, suction units}	F27D25/00	F27D25/00		624
F27D27/00	7	Stirring devices for molten material (charging or discharging liquid or molten material F27D3/14)	F27D27/00	F27D27/00		1625
F27D2027/002	8	{Gas stirring}	F27D27/00	F27D27/00		221
F27D27/005	8	{Pumps}	F27D27/00	F27D27/00		132
F27D27/007	9	{Pulsating pumps}	F27D27/00	F27D27/00		18
F27D99/00	7	Subject matter not provided for in other groups of this subclass	F27D99/00	F27D99/00		420
F27D99/0001	8	{Heating elements or systems}	F27D99/00	F27D99/00		324
F27D99/0003	9	{with particulate fuel, e.g. aspects relating to the feeding}	F27D99/00	F27D99/00		213
F27D99/0005	9	{Injecting liquid fuel}	F27D99/00	F27D99/00		95
F27D99/0006	9	{Electric heating elements or system}	F27D99/00	F27D99/00		671
F27D2099/0008	10	{Resistor heating}	F27D99/00	F27D99/00		261
F27D2099/001	11	{the container being the resistor}	F27D99/00	F27D99/00		19
F27D2099/0011	11	{The resistor heats a radiant tube or surface}	F27D99/00	F27D99/00		67
F27D2099/0013	12	{immersed in the charge}	F27D99/00	F27D99/00		33
F27D2099/0015	10	{Induction heating}	F27D99/00	F27D99/00		162
F27D2099/0016	11	{Different magnetic fields, e.g. two coils, different characteristics of the same coil along its length or different parts of the same coil used}	F27D99/00	F27D99/00		23
F27D2099/0018	11	{Relative movement of the coil and the charge during the heat treatment}	F27D99/00	F27D99/00		7
F27D2099/002	11	{Core heating}	F27D99/00	F27D99/00		32
F27D2099/0021	10	{Arc heating}	F27D99/00	F27D99/00		70
F27D2099/0023	11	{DC arc heating}	F27D99/00	F27D99/00		32
F27D2099/0025	10	{Currents through the charge}	F27D99/00	F27D99/00		28
F27D2099/0026	10	{with a generator of electromagnetic radiations}	F27D99/00	F27D99/00		59
F27D2099/0028	10	{Microwave heating}	F27D99/00	F27D99/00		168
F27D2099/003	10	{Bombardment heating, e.g. with ions or electrons}	F27D99/00	F27D99/00		24
F27D2099/0031	10	{Plasma-torch heating}	F27D99/00	F27D99/00		140
F27D99/0033	9	{using burners}	F27D99/00	F27D99/00		1460
F27D99/0035	10	{Heating indirectly through a radiant surface}	F27D99/00	F27D99/00		241
F27D2099/0036	10	{immersed in the charge}	F27D99/00	F27D99/00		37
F27D2099/0038	10	{removable}	F27D99/00	F27D99/00		20
F27D2099/004	10	{directed upon the charge, e.g. vertically}	F27D99/00	F27D99/00		64
F27D2099/0041	11	{with a small angle, e.g. almost tangentially}	F27D99/00	F27D99/00		16
F27D2099/0043	10	{Impulse burner}	F27D99/00	F27D99/00		23
F27D2099/0045	10	{Radiant burner}	F27D99/00	F27D99/00		45
F27D2099/0046	10	{with incomplete combustion, e.g. reducing atmosphere}	F27D99/00	F27D99/00		3
F27D2099/0048	11	{Post- combustion}	F27D99/00	F27D99/00		68
F27D2099/005	10	{Catalytic burner}	F27D99/00	F27D99/00		13
F27D2099/0051	10	{Burning waste as a fuel}	F27D99/00	F27D99/00		49
F27D2099/0053	10	{Burner fed with preheated gases}	F27D99/00	F27D99/00		47
F27D2099/0055	11	{Fuel}	F27D99/00	F27D99/00		34
F27D2099/0056	11	{Oxidant}	F27D99/00	F27D99/00		72
F27D2099/0058	9	{Means for heating the charge locally}	F27D99/00	F27D99/00		67
F27D2099/006	9	{Auxiliary heating, e.g. in special conditions or at special times}	F27D99/00	F27D99/00		59
F27D2099/0061	9	{Indirect heating}	F27D99/00	F27D99/00		32
F27D2099/0063	10	{Liquid}	F27D99/00	F27D99/00		12
F27D2099/0065	10	{Gas}	F27D99/00	F27D99/00		31
F27D2099/0066	10	{Particles or solid bodies, e.g. bed of particles}	F27D99/00	F27D99/00		10
F27D2099/0068	9	{Heating directly by circulation of a fluid other than a gas or by particles}	F27D99/00	F27D99/00		10
F27D99/007	8	{Partitions}	F27D99/00	F27D99/00		147
F27D2099/0071	9	{Partitions used as registers}	F27D99/00	F27D99/00		14
F27D99/0073	8	{Seals}	F27D99/00	F27D99/00		1004
F27D99/0075	9	{Gas curtain seals}	F27D99/00	F27D99/00		212
F27D99/0076	9	{Furnace car seals, i.e. seals used in continuous furnaces or kilns for preventing gas or heat exchange between heating chamber and the area comprising driving means}	F27D99/00	F27D99/00		149
F27D2099/0078	9	{Means to minimize the leakage of the furnace atmosphere during charging or discharging}	F27D99/00	F27D99/00		88
F27D2099/008	10	{Using an air-lock}	F27D99/00	F27D99/00		48
F27D2099/0081	9	{Joint}	F27D99/00	F27D99/00		47
F27D2099/0083	8	{Drives; Auxiliary drives}	F27D99/00	F27D99/00		103
F27D2099/0085	8	{Accessories}	F27D99/00	F27D99/00		59
F27D2099/0086	9	{Filters, e.g. for molten metals}	F27D99/00	F27D99/00		64
F27D2099/0088	9	{Apparatus to cut metal, e.g. logs, in billets}	F27D99/00	F27D99/00		21
F27D2099/009	9	{Bumpers}	F27D99/00	F27D99/00		13
F27D2099/0091	9	{Means to grease or oil}	F27D99/00	F27D99/00		49
F27D2099/0093	9	{Means to collect ashes or dust, e.g. vessels}	F27D99/00	F27D99/00		165
F27D2099/0095	9	{Means to collect the slag or spilled metal, e.g. vessels}	F27D99/00	F27D99/00		113
F27D2099/0096	9	{Presses}	F27D99/00	F27D99/00		30
F27D2099/0098	9	{Means for moving the furnace}	F27D99/00	F27D99/00		100
F27D2201/00	7	Manipulation of furnace parts<br><br><u>NOTE</u><br><br>Indexing code F27D2201/00 can be followed by additional indexing codes preceded by a + sign. These additional indexing codes are chosen from codes of subclass F27D describing similar manipulations of furnace charges.<br>Example: F27D2201/00 + F27D2003/0036	CPCONLY	F27D2201/00		60
