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DIFF Subgroup
F16H 61/46

Automatic regulation in accordance with output requirements

Introduced: January 1990

Full Title

Control functions within change-speed- or reversing-gearings for conveying rotary motion > Control of exclusively fluid gearing > hydrostatic > Automatic regulation in accordance with output requirements

Of 8 combined children, 7 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 2010.

Child Classifications

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  • F16H 61/461 CPC only CPC only
  • F16H 61/462 for achieving a target speed ratio since 2010 IPC+CPC Available in IPC and CPC
  • F16H 61/465 for achieving a target input speed since 2010 IPC+CPC Available in IPC and CPC
  • F16H 61/468 for achieving a target input torque since 2010 IPC+CPC Available in IPC and CPC
  • F16H 61/47 for achieving a target output speed since 2010 IPC+CPC Available in IPC and CPC
  • F16H 61/472 for achieving a target output torque since 2010 IPC+CPC Available in IPC and CPC
  • F16H 61/475 for achieving a target power, e.g. input power or output power since 2010 IPC+CPC Available in IPC and CPC
  • F16H 61/478 for preventing overload, e.g. high pressure limitation since 2010 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