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PCE
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DIFF Subgroup
F02D 9/04

concerning exhaust conduits (throttle valves, or arrangements thereof in conduits F02D9/08)

Introduced: September 1968

Title

Titles differ between systems:

IPC: concerning exhaust conduits

CPC: concerning exhaust conduits (throttle valves, or arrangements thereof in conduits F02D9/08)

Full Title

Full titles differ between systems:

IPC:

Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits > concerning exhaust conduits

CPC:

Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits > concerning exhaust conduits (throttle valves, or arrangements thereof in conduits F02D9/08)

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

Child Classifications

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  • F02D 9/06 Exhaust brakes 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