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IPC Main Group
F16D 41/00

Freewheels or freewheel clutches

Introduced: September 1968

Last revised: January 2006

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:
COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES

Related Keywords

FREEWHEEL mechanisms

8 direct subcodes

Child Classifications

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  • F16D 41/02 disengaged by contact of a part of or on the freewheel or freewheel clutch with a stationarily-mounted member
  • F16D 41/04 combined with a clutch for locking the driving and driven members
  • F16D 41/18 with non-hinged detent
  • F16D 41/2 with expandable or contractable clamping ring or band
  • F16D 41/22 with clutching ring or disc axially shifted as a result of lost motion between actuating members

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