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DIFF Subgroup
F02M 3/055

Fuel flow cut-off by introducing air, e.g. brake air, into the idling fuel system

Introduced: January 1985

Full Title

Full titles differ between systems:

IPC:

Idling devices for carburettors > Preventing flow of idling fuel > under conditions where engine is driven instead of driving, e.g. driven by vehicle running down hill > Fuel flow cut-off by introducing air, e.g. brake air, into the idling fuel system

CPC:

Idling devices for carburettors (with means for facilitating engine's idling below operational temperatures F02M1/00) > Preventing flow of idling fuel > under conditions where engine is driven instead of driving, e.g. driven by vehicle running down hill > Fuel flow cut-off by introducing air, e.g. brake air, into the idling fuel system

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class F02,2013–2023, worldwide · Source: EPO PATSTAT

  1. TOYOTA MOTOR CORPORATION 8,687
  2. ROBERT BOSCH DE 8,328
  3. FORD GLOBAL TECHNOLOGIES US 7,423
  4. GE (GENERAL ELECTRIC COMPANY) US 5,732
  5. UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
  6. HYUNDAI MOTOR COMPANY KR 4,699
  7. TOYOTA MOTOR CORPORATION JP 4,541
  8. DENSO CORPORATION 3,711
  9. WEICHAI POWER COMPANY 3,486
  10. SAFRAN AIRCRAFT ENGINES FR 3,249

Top Applicants (CPC)

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