CPC Subgroup
F02K 3/04 the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
Full Title
Plants including a gas turbine driving a compressor or a ducted fan > in which part of the working fluid by-passes the turbine and combustion chamber > the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
7 direct subcodes
Child Classifications
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- F02K 3/06 with front fan
- F02K 3/062 with aft fan
- F02K 3/065 with front and aft fans
- F02K 3/068 being characterised by a short axial length relative to the diameter
- F02K 3/072 with counter-rotating rotors
- F02K 3/075 controlling flow ratio between flows
- F02K 3/077 the plant being of the multiple flow type, i.e. having three or more flows
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