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
Filing statistics
IPC F02C 3/2 belongs to the parent subclass F02C, which recorded 69,246 patent applications worldwide between 2013 and 2023. Annual filings declined from 7,776 in 2013 to 5,372 in 2023 (-31%). The most active applicants in class F02 are TOYOTA MOTOR CORPORATION (8,687 applications), ROBERT BOSCH (8,328 applications) and FORD GLOBAL TECHNOLOGIES (7,423 applications).
Source: EPO PATSTAT, worldwide filings
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