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DIFF Subgroup
F16D 43/26

acting at definite angular position or disengaging after definite number of rotations (actuating by means of stationary abutment F16D11/02, F16D13/02, F16D15/00; control of change-speed or reversing-gearings conveying rotary motion F16H59/00 - F16H63/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: acting at definite angular position or disengaging after a definite number of rotations

CPC: acting at definite angular position or disengaging after definite number of rotations (actuating by means of stationary abutment F16D11/02, F16D13/02, F16D15/00; control of change-speed or reversing-gearings conveying rotary motion F16H59/00 - F16H63/00)

Full Title

Full titles differ between systems:

IPC:

Internally controlled automatic clutches > actuated entirely mechanically > acting at definite angular position or disengaging after a definite number of rotations

CPC:

Automatic clutches (varying the relationship between two coaxial shafts F16D3/10; freewheels, freewheel clutches F16D41/00) > actuated entirely mechanically > acting at definite angular position or disengaging after definite number of rotations (actuating by means of stationary abutment F16D11/02, F16D13/02, F16D15/00; control of change-speed or reversing-gearings conveying rotary motion F16H59/00 - F16H63/00)

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