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Symbol Select IPC entry Title
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONSTRANSPORTING
C
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CHEMISTRYMETALLURGY
D
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TEXTILESPAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
F01
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ENGINES OR PUMPS
F01
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MACHINES OR ENGINES IN GENERALENGINE PLANTS IN GENERALSTEAM ENGINES
F02
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COMBUSTION ENGINESHOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F03
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MACHINES OR ENGINES FOR LIQUIDSWIND, 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
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
F16B
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DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGESJOINTS OR JOINTING (couplings for transmitting rotation F16D)
F16C
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SHAFTSFLEXIBLE SHAFTSMECHANICAL MEANS FOR TRANSMITTING MOVEMENT IN A FLEXIBLE SHEATHINGELEMENTS OF CRANKSHAFT MECHANISMSPIVOTSPIVOTAL CONNECTIONSROTARY ENGINEERING ELEMENTS OTHER THAN GEARING, COUPLING, CLUTCH OR BRAKE ELEMENTSBEARINGS [5]
F16D
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COUPLINGS FOR TRANSMITTING ROTATION (gearing for conveying rotation F16H, e.g. fluid gearing F16H 39/00-F16H 47/00)CLUTCHES (dynamo-electric clutches H02K 49/00; clutches using electrostatic attraction H02N 13/00)BRAKES (electrodynamic brake systems for vehicles in general B60L 7/00; dynamo-electric brakes H02K 49/00) [2]
F16F
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SPRINGSSHOCK-ABSORBERSMEANS FOR DAMPING VIBRATION
F16G
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BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSESCHAINSFITTINGS PREDOMINANTLY USED THEREFOR
F16G 1/00
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Driving-belts (V-belts F16G 5/00; conveyor belts B65G) [1, 2006.01]
F16G 3/00
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Belt fastenings, e.g. for conveyor belts (for V-belts F16G 7/00) [1, 2006.01]
F16G 5/00
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V-belts, i.e. belts of tapered cross-section [1, 2006.01]
F16G 5/02
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made of leather (F16G 5/20 takes precedence) [1, 2006.01]
F16G 5/04
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made of rubber (F16G 5/20 takes precedence) [1, 2006.01]
F16G 5/06
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. . with reinforcement bonded by the rubber [1, 2006.01]
F16G 5/08
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. . . with textile reinforcement [1, 2006.01]
F16G 5/10
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. . . with metal reinforcement [1, 2006.01]
F16G 5/12
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made of plastics (F16G 5/20 takes precedence) [1, 2006.01]
F16G 5/14
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. . with reinforcement bonded by the plastic material [1, 2006.01]
F16G 5/16
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consisting of several parts [1, 2006.01]
F16G 5/18
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. . in the form of links [1, 2006.01]
F16G 5/20
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with a contact surface of special shape, e.g. toothed [1, 2006.01]
F16G 5/22
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built-up from superimposed layers [1, 2006.01]
F16G 5/24
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. . zig-zag folded [1, 2006.01]
F16G 7/00
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V-belt fastenings [1, 2006.01]
F16G 9/00
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Ropes or cables specially adapted for driving, or for being driven by, pulleys or other gearing elements [1, 2006.01]
F16G 11/00
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Means for fastening cables or ropes to one another or to other objects (cable clamps for suspension bridge cables E01D 19/16)Caps or sleeves for fixing on cables or ropes (attaching ropes or cables to lift cars or cages B66B 7/08, to winch drums or barrels B66D 1/34; rope clamps in earth drilling E21B 19/12) [1, 2006.01]
F16G 13/00
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Chains (making thereof B21L) [1, 2006.01]
F16G 15/00
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Chain couplingsShacklesChain jointsChain linksChain bushes (making chain elements B21L) [1, 2006.01]
F16G 17/00
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Hooks as integral parts of chains (hooks for cranes B66C 1/34) [1, 2006.01]
F16H
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GEARING
F16J
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PISTONSCYLINDERSPRESSURE VESSELS IN GENERALSEALINGS
F16K
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VALVESTAPSCOCKSACTUATING-FLOATSDEVICES FOR VENTING OR AERATING
F16L
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PIPESJOINTS OR FITTINGS FOR PIPESSUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBINGMEANS FOR THERMAL INSULATION IN GENERAL
F16M
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FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERESTANDSSUPPORTS
F16N
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LUBRICATING
F16P
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SAFETY DEVICES IN GENERAL
F16S
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CONSTRUCTIONAL ELEMENTS IN GENERALSTRUCTURES BUILT-UP FROM SUCH ELEMENTS, IN GENERAL
F16T
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STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
F17
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STORING OR DISTRIBUTING GASES OR LIQUIDS
F21
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LIGHTINGHEATING
F21
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LIGHTING
F22
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STEAM GENERATION
F23
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COMBUSTION APPARATUSCOMBUSTION PROCESSES
F24
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HEATINGRANGESVENTILATING
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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FURNACESKILNS, OVENS OR RETORTS [4]
F28
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HEAT EXCHANGE IN GENERAL
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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PHYSICS
H
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ELECTRICITY

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