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Symbol IPC-Stellen auswählen Titel
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
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
F24B
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DOMESTIC STOVES OR RANGES FOR SOLID FUELS  (for solid fuels in combination with gaseous fuels, liquid fuels or other kinds of energy supply F24C 1/02)IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES [6]
F24C
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DOMESTIC STOVES OR RANGES (exclusively for solid fuels F24B)DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
F24D
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DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMSDOMESTIC HOT-WATER SUPPLY SYSTEMSELEMENTS OR COMPONENTS THEREFOR (using steam or condensate extracted or exhausted from steam engine plants for heating purposes F01K 17/02)
F24F
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AIR-CONDITIONINGAIR-HUMIDIFICATIONVENTILATIONUSE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B 15/00; vertical ducts for carrying away waste gases from buildings E04F 17/02; tops for chimneys or ventilating shafts, terminals for flues F23L 17/02)
F24H
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FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL  (steam generation F22)
F24S
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SOLAR HEAT COLLECTORSSOLAR HEAT SYSTEMS (for producing mechanical power from solar energy F03G 6/00) [2018.01]
F24S 10/00
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Solar heat collectors using working fluids [2018.01]
F24S 20/00
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Solar heat collectors specially adapted for particular uses or environments [2018.01]
F24S 20/20
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Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants [2018.01]
F24S 20/25
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. . using direct solar radiation in combination with concentrated radiation [2018.01]
F24S 20/30
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Solar heat collectors for heating objects, e.g. solar cookers or solar furnaces [2018.01]
F24S 20/40
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Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air [2018.01]
F24S 20/50
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Rollable or foldable solar heat collector modules [2018.01]
F24S 20/55
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. . made of flexible materials [2018.01]
F24S 20/60
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Solar heat collectors integrated in fixed constructions, e.g. in buildings [2018.01]
F24S 20/61
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. . Passive solar heat collectors, e.g. operated without external energy sources [2018.01]
F24S 20/62
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. . in the form of fences, balustrades or handrails [2018.01]
F24S 20/63
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. . in the form of windows [2018.01]
F24S 20/64
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. . in the form of floor constructions, grounds or roads [2018.01]
F24S 20/66
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. . in the form of facade constructions, e.g. wall constructions (in the form of shingles or tiles F24S 20/69) [2018.01]
F24S 20/67
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. . in the form of roof constructions (in the form of shingles or tiles F24S 20/69) [2018.01]
F24S 20/69
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. . in the form of shingles or tiles [2018.01]
F24S 20/70
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Waterborne solar heat collector modules  (for working fluids forming pools or ponds F24S 10/10) [2018.01]
F24S 20/80
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Airborne solar heat collector modules, e.g. inflatable structures [2018.01]
F24S 21/00
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Solar heat collectors not provided for in groups F24S 10/00-F24S 20/00 [2018.01]
F24S 23/00
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Arrangements for concentrating solar rays for solar heat collectors [2018.01]
F24S 25/00
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Arrangement of stationary mountings or supports for solar heat collector modules [2018.01]
F24S 30/00
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Arrangements for moving or orienting solar heat collector modules [2018.01]
F24S 40/00
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Safety or protection arrangements of solar heat collectorsPreventing malfunction of solar heat collectors (control arrangements F24S 50/00) [2018.01]
F24S 50/00
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Arrangements for controlling solar heat collectors [2018.01]
F24S 60/00
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Arrangements for storing heat collected by solar heat collectors (in working fluids forming pools or ponds F24S 10/10) [2018.01]
F24S 70/00
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Details of absorbing elements [2018.01]
F24S 80/00
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Details, accessories or component parts of solar heat collectors not provided for in groups F24S 10/00-F24S 70/00 [2018.01]
F24S 90/00
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Solar heat systems not otherwise provided for [2018.01]
F24T
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GEOTHERMAL COLLECTORSGEOTHERMAL SYSTEMS [2018.01]
F24V
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COLLECTION, PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR [2018.01]
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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