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DIFF Subgroup
F16H 57/04

Features relating to lubrication or cooling (control of lubrication or cooling in hydrostatic gearing F16H61/4165)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Features relating to lubrication or cooling

CPC: Features relating to lubrication or cooling (control of lubrication or cooling in hydrostatic gearing F16H61/4165)

Full Title

Full titles differ between systems:

IPC:

General details of gearing > Features relating to lubrication or cooling

CPC:

General details of gearing (of screw-and-nut gearing F16H25/00; of fluid gearing F16H39/00 - F16H43/00) > Features relating to lubrication or cooling (control of lubrication or cooling in hydrostatic gearing F16H61/4165)

CPC subdivides this area 19x more granularly than IPC with 18 additional codes.

18 codes are CPC-only extensions.

Child Classifications

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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