F02C 3/00 Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C5/00)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Gas-turbine plants characterised by the use of combustion products as the working fluid
CPC: Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C5/00)
Full Title
Full titles differ between systems:
Gas-turbine plants characterised by the use of combustion products as the working fluid
Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C5/00)
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
3 shared codes have differing titles between IPC and CPC.
Child Classifications
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- F02C 3/02 using exhaust-gas pressure in a pressure exchanger to compress combustion-air (pressure exchangers per se F04F13/00) IPC+CPC Available in IPC and CPC
- F02C 3/04 having a turbine driving a compressor (power transmission arrangements F02C7/36; control of working fluid flow F02C9/16) IPC+CPC Available in IPC and CPC
- F02C 3/14 characterised by the arrangement of the combustion chamber in the plant (combustion chambers per se F23R; F02C3/205 takes precedence) +1 CPC IPC+CPC Available in IPC and CPC
- F02C 3/20 using a special fuel, oxidant, or dilution fluid to generate the combustion products +1 CPC IPC+CPC Available in IPC and CPC
- F02C 3/32 Inducing air flow by fluid jet, e.g. ejector action since 1980 IPC+CPC Available in IPC and CPC
- F02C 3/34 with recycling of part of the working fluid, i.e. semi-closed cycles with combustion products in the closed part of the cycle since 1980 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class F02,2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 8,801
- FORD GLOBAL TECHNOLOGIES US 8,171
- GE (GENERAL ELECTRIC COMPANY) US 6,957
- HYUNDAI MOTOR COMPANY KR 5,390
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
- TOYOTA MOTOR CORPORATION JP 5,214
- TOYOTA MOTOR CORPORATION 4,149
- DENSO CORPORATION JP 3,400
- KIA MOTORS CORPORATION KR 3,388
- SAFRAN AIRCRAFT ENGINES FR 3,332