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DIFF Subgroup
F16H 61/66

specially adapted for continuously variable gearings (control of exclusively fluid gearing F16H61/38)

Introduced: January 2006

Title

Titles differ between systems:

IPC: specially adapted for continuously variable gearings

CPC: specially adapted for continuously variable gearings (control of exclusively fluid gearing F16H61/38)

Full Title

Full titles differ between systems:

IPC:

Control functions within change-speed- or reversing-gearings for conveying rotary motion > specially adapted for continuously variable gearings

CPC:

Control functions within change-speed- or reversing-gearings for conveying rotary motion > specially adapted for continuously variable gearings (control of exclusively fluid gearing F16H61/38)

Additional Content IPC

Control of exclusively fluid gearing

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

IPC defines codes here since 2006.

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