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DIFF Subgroup
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)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with clutching members co-operating with both the periphery and the inner surface of a drum or wheel-rim

CPC: with clutching members co-operating with both the periphery and the inner surface of a drum or wheel-rim (similar brakes F16D53/00)

Full Title

Full titles differ between systems:

IPC:

Friction clutches > with clutching members co-operating with both the periphery and the inner surface of a drum or wheel-rim

CPC:

Friction clutches (arrangements for synchronisation F16D23/02) > with clutching members co-operating with both the periphery and the inner surface of a drum or wheel-rim (similar brakes F16D53/00)

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