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DIFF Main Group
F16D 13/00

Friction clutches (arrangements for synchronisation F16D23/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Friction clutches

CPC: Friction clutches (arrangements for synchronisation F16D23/02)

Full Title

Full titles differ between systems:

IPC:

Friction clutches

CPC:

Friction clutches (arrangements for synchronisation F16D23/02)

IPC and CPC are identically structured here. All 10 subcodes exist in both systems.

7 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F16D 13/08 with a helical band or equivalent member, which may be built up from linked parts, with more than one turn embracing a drum or the like, with or without an additional clutch actuating the end of the band (F16D13/02 takes precedence; ; similar free-wheel clutches F16D41/20; similar brakes F16D49/02) IPC+CPC Available in IPC and CPC
  • F16D 13/10 with clutching members co-operating with the periphery of a drum, a wheel-rim, or the like (F16D13/02 - F16D13/08 take precedence; similar brakes F16D49/00) IPC+CPC Available in IPC and CPC
  • F16D 13/12 with an expansible band or coil co-operating with the inner surface of a drum or the like (F16D13/02 takes precedence; similar brakes F16D51/02) IPC+CPC Available in IPC and CPC
  • F16D 13/20 with clutching members co-operating with both the periphery and the inner surface of a drum or wheel-rim (similar brakes F16D53/00) IPC+CPC Available in IPC and CPC
  • F16D 13/76 specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
  3. TOYOTA MOTOR CORPORATION 7,215
  4. HYUNDAI MOTOR COMPANY KR 6,846
  5. ROBERT BOSCH DE 6,106
  6. NTN CORPORATION 5,305
  7. SKF SE 4,219
  8. KIA MOTORS CORPORATION KR 3,852
  9. NSK 3,850
  10. HONDA MOTOR COMPANY 3,639

Top Applicants (CPC)

Class F16,2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
  3. HYUNDAI MOTOR COMPANY KR 7,933
  4. ROBERT BOSCH DE 7,059
  5. KIA MOTORS CORPORATION KR 4,867
  6. SKF SE 4,729
  7. TOYOTA MOTOR CORPORATION JP 4,111
  8. FORD GLOBAL TECHNOLOGIES US 3,838
  9. GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
  10. TOYOTA MOTOR CORPORATION 3,499