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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

  1. ROBERT BOSCH DE 8,801
  2. FORD GLOBAL TECHNOLOGIES US 8,171
  3. GE (GENERAL ELECTRIC COMPANY) US 6,957
  4. HYUNDAI MOTOR COMPANY KR 5,390
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,250
  6. TOYOTA MOTOR CORPORATION JP 5,214
  7. TOYOTA MOTOR CORPORATION 4,149
  8. DENSO CORPORATION JP 3,400
  9. KIA MOTORS CORPORATION KR 3,388
  10. SAFRAN AIRCRAFT ENGINES FR 3,332