IPC Subgroup
F16D 43/02 actuated entirely mechanically
Introduced: September 1968
Last revised: January 2006
Full Title
Internally controlled automatic clutches > actuated entirely mechanically
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
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F16D 43/04 controlled by angular speed
- F16D 43/2 controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure
- F16D 43/22 controlled by both speed and torque
- F16D 43/24 controlled by acceleration or deceleration of angular speed
- F16D 43/25 controlled by thermo-responsive elements
- F16D 43/26 acting at definite angular position or disengaging after a definite number of rotations
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
- TOYOTA MOTOR CORPORATION 7,215
- HYUNDAI MOTOR COMPANY KR 6,846
- ROBERT BOSCH DE 6,106
- NTN CORPORATION 5,305
- SKF SE 4,219
- KIA MOTORS CORPORATION KR 3,852
- NSK 3,850
- HONDA MOTOR COMPANY 3,639