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PCE
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DIFF Subgroup
F02D 9/12

having slidably-mounted valve members; having valve members movable longitudinally of conduit

Introduced: September 1968

Title

Titles differ between systems:

IPC: having slidably-mounted valve-members; having valve-members movable longitudinally of conduit

CPC: having slidably-mounted valve members; having valve members movable longitudinally of conduit

Full Title

Full titles differ between systems:

IPC:

Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits > Throttle valves specially adapted therefor; Arrangements of such valves in conduits > having slidably-mounted valve-members; having valve-members movable longitudinally of conduit

CPC:

Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits > Throttle valves specially adapted therefor; Arrangements of such valves in conduits > having slidably-mounted valve members; having valve members movable longitudinally of conduit

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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  • F02D 9/14 the members being slidable transversely of conduit IPC+CPC Available in IPC and CPC
  • F02D 9/16 the members being rotatable 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