IPC Subgroup
F02C 3/2 using a special fuel, oxidant, or dilution fluid to generate the combustion products
Introduced: September 1968
Last revised: January 2006
Full Title
Gas-turbine plants characterised by the use of combustion products as the working fluid > using a special fuel, oxidant, or dilution fluid to generate the combustion products
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
4 direct subcodes
Child Classifications
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- F02C 3/22 the fuel or oxidant being gaseous at standard temperature and pressure
- F02C 3/24 the fuel or oxidant being liquid at standard temperature and pressure
- F02C 3/26 the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
- F02C 3/3 Adding water, steam or other fluids to the combustible ingredients or to the working fluid before discharge from the turbine
Top Applicants
Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 8,687
- ROBERT BOSCH DE 8,328
- FORD GLOBAL TECHNOLOGIES US 7,423
- GE (GENERAL ELECTRIC COMPANY) US 5,732
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
- HYUNDAI MOTOR COMPANY KR 4,699
- TOYOTA MOTOR CORPORATION JP 4,541
- DENSO CORPORATION 3,711
- WEICHAI POWER COMPANY 3,486
- SAFRAN AIRCRAFT ENGINES FR 3,249