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IPC Subgroup
F16H 61/46

Automatic regulation in accordance with output requirements

Introduced: January 1990

Last revised: January 2010

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

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Subclass:
GEARING

7 direct subcodes

Child Classifications

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  • F16H 61/462 for achieving a target speed ratio
  • F16H 61/465 for achieving a target input speed
  • F16H 61/468 for achieving a target input torque
  • F16H 61/47 for achieving a target output speed
  • F16H 61/472 for achieving a target output torque
  • F16H 61/475 for achieving a target power, e.g. input power or output power
  • F16H 61/478 for preventing overload, e.g. high pressure limitation

Top Applicants

Top 10 applicants by patent filingsfor 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