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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
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
F42B
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EXPLOSIVE CHARGES, e.g. FOR BLASTINGFIREWORKSAMMUNITION (explosive compositions C06B; fuzes F42C; blasting F42D) [2, 5]
F42B 1/00
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Explosive charges characterised by form or shape but not dependent on shape of container
F42B 3/00
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Blasting cartridges, i.e. case and explosive (fuse cords, e.g. detonating fuse cords, C06C 5/00; chemical aspects of detonators, blasting caps or primers C06C 7/00)
F42B 4/00
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Fireworks, i.e. pyrotechnic devices for amusement, display, illumination, or signal purposes (signalling by explosives G08B; advertising by firework G09F 13/46) [2]
F42B 5/00
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Cartridge ammunition, e.g. separately-loaded propellant charges (shotgun ammunition F42B 7/00; practice or training ammunition F42B 8/00; missiles therefor F42B 12/00, F42B 14/00, F42B 15/00)
F42B 6/00
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Projectiles or missiles specially adapted for projection without use of explosive or combustible propellant charge, e.g. for blow guns, bows or crossbows, hand-held spring or air guns (for delivering hypodermic charges F42B 12/54; throwing-darts A63B 65/02; projectiles or missiles incorporating springs as the projecting means F41B 7/02) [5]
F42B 7/00
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Shotgun ammunition
F42B 8/00
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Practice or training ammunition (range-reducing, destabilising or braking arrangements F42B 10/00; with signalling effect F42B 12/02F42B 19/00 takes precedence) [4]
F42B 10/00
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Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missilesArrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding (F42B 6/00 takes precedence; sub-calibre projectiles having sabots F42B 14/00) [5]
F42B 10/02
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Stabilising arrangements [5]
F42B 10/04
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. . using fixed fins (F42B 10/22 takes precedence) [5]
F42B 10/06
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. . . Tail fins [5]
F42B 10/08
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. . . . Flechette-type projectiles [5]
F42B 10/10
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. . . . the fins being formed in the barrel by deformation of the projectile body [5]
F42B 10/12
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. . using fins longitudinally-slidable with respect to the projectile or missile [5]
F42B 10/14
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. . using fins spread or deployed after launch, e.g. after leaving the barrel [5]
F42B 10/16
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. . . Wrap-around fins [5]
F42B 10/18
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. . . using a longitudinally slidable support member [5]
F42B 10/20
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. . . deployed by combustion gas pressure, or by pneumatic or hydraulic forces [5]
F42B 10/22
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. . Projectiles of cannelured type [5]
F42B 10/24
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. . . with inclined grooves [5]
F42B 10/26
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. . using spin (F42B 10/04, F42B 10/12, F42B 10/14, F42B 10/24, F42B 14/02 take precedence) [5]
F42B 10/28
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. . . induced by gas action [5]
F42B 10/30
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. . . . using rocket motor nozzles [5]
F42B 10/32
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Range-reducing or range-increasing arrangementsFall-retarding means [5]
F42B 10/34
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. . Tubular projectiles [5]
F42B 10/36
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. . . Ring-foil projectiles [5]
F42B 10/38
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. . Range-increasing arrangements (F42B 10/34 takes precedence) [5]
F42B 10/40
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. . . with combustion of a slow-burning charge, e.g. fumers, base-bleed projectiles [5]
F42B 10/42
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. . . Streamlined projectiles [5]
F42B 10/44
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. . . . Boat-tails specially adapted for drag reduction [5]
F42B 10/46
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. . . . Streamlined nose conesWindshieldsRadomes [5]
F42B 10/48
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. . Range-reducing, destabilising or braking arrangementsFall-retarding means (F42B 10/34 takes precedence) [5]
F42B 10/50
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. . . Brake flaps [5]
F42B 10/52
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. . . Nose cones [5]
F42B 10/54
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. . . Spin braking means [5]
F42B 10/56
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. . . of parachute type [5]
F42B 10/58
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. . . of rotochute type [5]
F42B 10/60
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Steering arrangements (F42B 19/01 takes precedence) [5]
F42B 10/62
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. . Steering by movement of flight surfaces [5]
F42B 10/64
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. . . of fins [5]
F42B 10/66
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. . Steering by varying intensity or direction of thrust (thrust vector control of rocket engine plants F02K 9/80) [5]
F42B 12/00
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Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material (F42B 6/00, F42B 10/00, F42B 14/00 take precedence; for practice or training F42B 8/12, F42B 8/28; self-propulsion or guidance aspects F42B 15/00) [5]
F42B 14/00
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Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels [5]
F42B 15/00
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Self-propelled projectiles or missiles, e.g. rocketsGuided missiles (F42B 10/00, F42B 12/00, F42B 14/00 take precedence; for practice or training F42B 8/12; rocket torpedoes F42B 17/00; marine torpedoes F42B 19/00; cosmonautic vehicles B64G; jet-propulsion plants F02K) [4]
F42B 17/00
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Rocket torpedoes, i.e. missiles provided with separate propulsion means for movement through air and through water (F42B 12/00 takes precedence)
F42B 19/00
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Marine torpedoes, e.g. launched by surface vessels or submarines (having additional propulsion means for movement through air F42B 17/00)Sea mines having self-propulsion means (F42B 12/00 takes precedence; launching means F41F; locating by use of radio or other waves G01S; automatic control of course G05D 1/00; firing directors or calculators G06G)
F42B 21/00
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Depth charges (F42B 12/00 takes precedence; for practice or training F42B 8/28; laying aspects B63G)
F42B 22/00
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Marine mines, e.g. launched by surface vessels or submarines (F42B 12/00 takes precedence; for practice or training F42B 8/28; mine laying or sweeping B63G)
F42B 23/00
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Land mines (F42B 12/00 takes precedence; for practice or training F42B 8/28)
F42B 25/00
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Fall bombs (F42B 10/00, F42B 12/00 take precedence; for practice or training F42B 8/12) [5]
F42B 27/00
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Hand grenades (F42B 12/00 takes precedence; for practice or training F42B 8/12)
F42B 29/00
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Noiseless, smokeless, or flashless missiles launched by their own explosive propellant
F42B 30/00
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Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used (F42B 10/00, F42B 12/00, F42B 14/00 take precedence) [5]
F42B 33/00
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Manufacture of ammunitionDismantling of ammunitionApparatus therefor (F42B 5/188 takes precedence; manufacturing processes for hollow charges F42B 1/036; manufacturing of blasting cartridge initiators F42B 3/195)
F42B 35/00
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Testing or checking of ammunition
F42B 39/00
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Packaging or storage of ammunition or explosive chargesSafety features thereofCartridge belts or bags
F42B 99/00
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Subject matter not provided for in other groups of this subclass [2006.01]
F42C
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AMMUNITION FUZES (blasting cartridge initiators F42B 3/10; chemical aspects C06C)ARMING OR SAFETY MEANS THEREFOR (filling fuzes F42B 33/02; fitting or extracting primers in or from fuzes F42B 33/04; containers for fuzes F42B 39/30) [5]
F42D
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BLASTING (fuses, e.g. fuse cords, C06C 5/00; blasting cartridges F42B 3/00)
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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