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F02B 5/00

Engines characterised by positive ignition (engines characterised by fuel-air mixture compression with positive ignition F02B1/02; engines characterised by air compression and subsequent fuel addition with positive ignition F02B3/02; with non-timed positive ignition F02B9/06; characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Engines characterised by positive ignition

CPC: Engines characterised by positive ignition (engines characterised by fuel-air mixture compression with positive ignition F02B1/02; engines characterised by air compression and subsequent fuel addition with positive ignition F02B3/02; with non-timed positive ignition F02B9/06; characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00)

Full Title

Full titles differ between systems:

IPC:

Engines characterised by positive ignition

CPC:

Engines characterised by positive ignition (engines characterised by fuel-air mixture compression with positive ignition F02B1/02; engines characterised by air compression and subsequent fuel addition with positive ignition F02B3/02; with non-timed positive ignition F02B9/06; characterised by both fuel-air mixture compression and air compression, or characterised by both positive ignition and compression ignition F02B11/00)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F02B 5/02 Methods of operating IPC+CPC Available in 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