CPC Subgroup
F02C 3/04 having a turbine driving a compressor (power transmission arrangements F02C7/36; control of working fluid flow F02C9/16)
Full Title
Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C5/00) > having a turbine driving a compressor (power transmission arrangements F02C7/36; control of working fluid flow F02C9/16)
7 direct subcodes
Child Classifications
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- F02C 3/045 having compressor and turbine passages in a single rotor-module (F02C3/073 takes precedence)
- F02C 3/055 the compressor being of the positive-displacement type
- F02C 3/06 the compressor comprising only axial stages (F02C3/10 takes precedence)
- F02C 3/08 the compressor comprising at least one radial stage (F02C3/10 takes precedence)
- F02C 3/10 with another turbine driving an output shaft but not driving the compressor
- F02C 3/107 with two or more rotors connected by power transmission
- F02C 3/13 having variable working fluid interconnections between turbines or compressors or stages of different rotors
Top Applicants
Top 10 applicants by patent filingsfor 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