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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
F01
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ENGINES OR PUMPS
F01
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MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, F04)ENGINE PLANTS IN GENERALSTEAM ENGINES
F01B
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MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES (of rotary-piston or oscillating-piston type F01C; of non-positive-displacement type F01D; internal-combustion aspects of reciprocating-piston engines F02B 57/00, F02B 59/00; crankshafts, crossheads, connecting-rods F16C; flywheels F16F; gearings for interconverting rotary motion and reciprocating motion in general F16H; pistons, piston-rods, cylinders, for engines in general F16J)
F01C
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ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES (internal-combustion aspects F02B 53/00, F02B 55/00)
F01C 1/00
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Rotary-piston machines or engines (with axes of co-operating members non-parallel F01C 3/00; with the working-chamber walls at least partly resiliently deformable F01C 5/00; with fluid ring or the like F01C 7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B 13/00)
F01C 1/02
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of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
F01C 1/04
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. . of internal-axis type
F01C 1/06
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. . of other than internal-axis type (F01C 1/063 takes precedence)
F01C 1/063
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. . with coaxially-mounted members having continuously-changing circumferential spacing between them [3]
F01C 1/067
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. . . having cam-and-follower type drive [3]
F01C 1/07
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. . . having crankshaft-and-connecting-rod type drive [3]
F01C 1/073
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. . . having pawl-and-ratchet type drive [3]
F01C 1/077
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. . . having toothed-gearing type drive [3]
F01C 1/08
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of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F01C 1/10
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. . of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
F01C 1/107
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. . . with helical teeth [3]
F01C 1/113
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. . . the inner member carrying rollers intermeshing with the outer member [3]
F01C 1/12
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. . of other than internal-axis type
F01C 1/14
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. . . with toothed rotary pistons
F01C 1/16
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. . . . with helical teeth, e.g. chevron-shaped, screw type
F01C 1/18
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. . . . with similar tooth forms (F01C 1/16 takes precedence)
F01C 1/20
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. . . . with dissimilar tooth forms (F01C 1/16 takes precedence)
F01C 1/22
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of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth-equivalents than the outer member
F01C 1/24
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of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions
F01C 1/26
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. . of internal-axis type
F01C 1/28
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. . of other than internal-axis type
F01C 1/30
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having the characteristics covered by two or more of groups F01C 1/02, F01C 1/08, F01C 1/22, F01C 1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
F01C 1/32
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. . having both the movement defined in group F01C 1/02 and relative reciprocation between the co-operating members
F01C 1/324
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. . . with vanes hinged to the inner member and reciprocating with respect to the outer member [3]
F01C 1/328
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. . . . and hinged to the outer member [3]
F01C 1/332
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. . . with vanes hinged to the outer member and reciprocating with respect to the inner member [3]
F01C 1/336
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. . . . and hinged to the inner member [3]
F01C 1/34
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. . having the movement defined in group F01C 1/08 or F01C 1/22 and relative reciprocation between the co-operating members
F01C 1/344
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. . . with vanes reciprocating with respect to the inner member [3]
F01C 1/348
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. . . . the vanes positively engaging, with circumferential play, an outer rotatable member [3]
F01C 1/352
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. . . . the vanes being pivoted on the axis of the outer member [3]
F01C 1/356
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. . . with vanes reciprocating with respect to the outer member [3]
F01C 1/36
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. . having both the movements defined in groups F01C 1/22 and F01C 1/24
F01C 1/38
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. . having the movement defined in group F01C 1/02 and having a hinged member (F01C 1/32 takes precedence) [3]
F01C 1/39
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. . . with vanes hinged to the inner as well as to the outer member [3]
F01C 1/40
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. . having the movement defined in group F01C 1/08 or F01C 1/22 and having a hinged member
F01C 1/44
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. . . with vanes hinged to the inner member [3]
F01C 1/46
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. . . with vanes hinged to the outer member [3]
F01C 3/00
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Rotary-piston machines or engines with non-parallel axes of movement of co-operating members (with the working-chamber walls being at least partly resiliently deformable F01C 5/00)
F01C 5/00
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Rotary-piston machines or engines with the working-chamber walls at least partly resiliently deformable
F01C 7/00
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Rotary-piston machines or engines with fluid ring or the like
F01C 9/00
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Oscillating-piston machines or engines
F01C 11/00
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Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type (F01C 13/00 takes precedence; combinations of two or more pumps F04; fluid gearing F16H)
F01C 13/00
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Adaptations of machines or engines for special useCombinations of engines with devices driven thereby (aspects predominantly concerning driven devices, see the relevant classes for these devices)
F01C 17/00
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Arrangements for drive of co-operating members, e.g. for rotary piston and casing
F01C 19/00
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Sealing arrangements in rotary-piston machines or engines (sealings in general F16J)
F01C 20/00
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Control of, monitoring of, or safety arrangements for, machines or engines [2006.01]
F01C 21/00
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Component parts, details, or accessories, not provided for in groups F01C 1/00-F01C 20/00
F01D
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NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES (machines or engines for liquids F03; non-positive-displacement pumps F04D)
F01K
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STEAM ENGINE PLANTSSTEAM ACCUMULATORSENGINE PLANTS NOT OTHERWISE PROVIDED FORENGINES USING SPECIAL WORKING FLUIDS OR CYCLES (gas-turbine or jet-propulsion plants F02; steam generation F22; nuclear power plants, engine arrangements therein G21D)
F01L
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CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES (valves in general F16K)
F01M
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LUBRICATING OF MACHINES OR ENGINES IN GENERALLUBRICATING INTERNAL-COMBUSTION ENGINESCRANKCASE VENTILATING [2]
F01N
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GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERALGAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES (arrangements in connection with gas exhaust of propulsion units in vehicles B60K 13/00; combustion-air intake silencers specially adapted for, or arranged on, internal-combustion engines F02M 35/00; protecting against, or damping, noise in general G10K 11/16)
F01P
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COOLING OF MACHINES OR ENGINES IN GENERALCOOLING OF INTERNAL-COMBUSTION ENGINES (arrangements in connection with cooling of propulsion units in vehicles B60K 11/00; heat-transfer, heat-exchange or heat-storage materials C09K 5/00; heat-exchange in general, radiators F28)
F02
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COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F01)HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F03
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MACHINES OR ENGINES FOR LIQUIDS (for liquids and elastic fluids F01; positive-displacement machines for liquids F04)WIND, SPRING, OR WEIGHT MOTORSPRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04
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POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDSPUMPS FOR LIQUIDS OR ELASTIC FLUIDS (portable fire extinguishers with manually-operated pumps A62C 11/00, with power-driven pumps A62C 25/00; charging or scavenging combustion engines by pumps F02B; engine fuel-injection pumps F02M; ion pumps H01J 41/12; electrodynamic pumps H02K 44/02)
F15
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ENGINEERING IN GENERAL
F15
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FLUID-PRESSURE ACTUATORSHYDRAULICS OR PNEUMATICS IN GENERAL
F16
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ENGINEERING ELEMENTS OR UNITSGENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONSTHERMAL INSULATION IN GENERAL
F17
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STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply E03B)
F21
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LIGHTINGHEATING
F21
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LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B)
F22
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STEAM GENERATION (chemical or physical apparatus for generating gases B01J; chemical generation of gas, e.g. under pressure, Section C; removal of combustion products or residues, e.g. cleaning of the combustion contaminated surfaces of tubes of boilers, F23J; generating combustion products of high pressure or high velocity F23R; water heaters not for steam generation F24H, F28; cleaning of internal or external surfaces of heat-transfer conduits, e.g. water tubes of boilers, F28G)
F23
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COMBUSTION APPARATUSCOMBUSTION PROCESSES
F24
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HEATINGRANGESVENTILATING (protecting plants by heating in gardens, orchards, or forests A01G 13/06; baking ovens and apparatus A21B; cooking devices other than ranges A47J; forging B21J, B21K; specially adapted for vehicles, see the relevant subclasses of classes B60-B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements or arrangements H05B)
F25
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REFRIGERATION OR COOLINGCOMBINED HEATING AND REFRIGERATION SYSTEMSHEAT PUMP SYSTEMSMANUFACTURE OR STORAGE OF ICELIQUEFACTION OR SOLIDIFICATION OF GASES
F26
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DRYING
F27
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FURNACESKILNSOVENSRETORTS (specially adapted for a purpose covered by a single other class and specifically mentioned in that class, see the class in question, e.g. bakery ovens A21B, glass melting furnaces C03B, coke or gas-making apparatus C10B, C10J, apparatus for cracking hydrocarbons C10G, blast furnaces C21B, converters for making steel C21C, furnaces for heat treatment of metal C21D; furnaces for electroslag or arc remelting of metals C22B 9/00; enamelling ovens C23D; combustion apparatus F23; electric heating H05B) [4]
F28
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HEAT EXCHANGE IN GENERAL (heat-transfer, heat-exchange or heat-storage materials C09K 5/00; arrangement or mounting of heat-exchangers in air-conditioning, air-humidification or ventilation F24F 13/30)
F41
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WEAPONSBLASTING
F41
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WEAPONS
F42
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AMMUNITIONBLASTING
F99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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