CPC Subgroup Additional Only
F02B 2720/251 Fuel supply by high pressure gas
Full Title
Engines with liquid fuel > Supply of fuel in the cylinder > Fuel supply by high pressure gas
4 direct subcodes
Child Classifications
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- F02B 2720/252 with air pump fixed to engine cylinder; high pressure air being taken from the atmosphere or from an engine cylinder
- F02B 2720/253 with high pressure air reservoir close to the point of injection; high pressure air taken from the engine cylinder
- F02B 2720/255 with mixture compressing pump; fuel-air mixture being compressed in the pump cylinder without self ignition
- F02B 2720/256 using steam or other gas as high pressure gas
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