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DIFF Subgroup
F16D 13/69

Arrangements for spreading lamellae in the released state

Introduced: September 1968

Title

Titles differ between systems:

IPC: Arrangements for spreading lamellae in released state

CPC: Arrangements for spreading lamellae in the released state

Full Title

Full titles differ between systems:

IPC:

Friction clutches > Details > Clutching elements > Clutch-plates; Clutch-lamellae > Arrangements for spreading lamellae in released state

CPC:

Friction clutches (arrangements for synchronisation F16D23/02) > Details > Clutching elements (friction lining or attachment thereof F16D69/00) > Clutch-plates; Clutch-lamellae (brake-plates, brake-lamellae F16D65/12) > Arrangements for spreading lamellae in the released state

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