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CPC Subgroup
F16H 61/58

by change of the mechanical connection of, or between, the runners

Full Title

Control functions within change-speed- or reversing-gearings for conveying rotary motion > Control of exclusively fluid gearing > hydrodynamic > controlled by changing the flow, force, or reaction of the liquid in the working circuit, while maintaining a completely filled working circuit > by change of the mechanical connection of, or between, the runners

2 direct subcodes

Child Classifications

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  • F16H 61/60 exclusively by the use of freewheel clutches
  • F16H 61/62 involving use of a speed-changing gearing or of a clutch in the connection between runners (F16H61/60 takes precedence; combinations of fluid gearings for conveying rotary motion with mechanical clutches for bridging a fluid gearing of the hydrokinetic type F16H45/02)

Top Applicants

Top 10 applicants by patent filingsfor 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