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DIFF Subgroup
F16H 59/74

Inputs being a function of engine parameters (F16H59/14 takes precedence)

Introduced: January 1990

Title

Titles differ between systems:

IPC: Inputs being a function of engine parameters

CPC: Inputs being a function of engine parameters (F16H59/14 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Control inputs to change-speed- or reversing-gearings for conveying rotary motion > Inputs being a function of engine parameters

CPC:

Control inputs to change-speed- or reversing-gearings for conveying rotary motion > Inputs being a function of engine parameters (F16H59/14 takes precedence)

Of 4 combined children, 2 exist in both systems.

2 codes are CPC-only extensions.

Note: 2 CPC extensions are marked as secondary classification only.

IPC defines codes here since 1990.

Child Classifications

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  • F16H 2059/743 2nd only CPC only CPC only
  • F16H 2059/746 2nd only CPC only CPC only
  • F16H 59/76 Number of cylinders operating since 1990 IPC+CPC Available in IPC and CPC
  • F16H 59/78 Temperature since 1990 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