IPC Subgroup
F16D 27/1 with an electromagnet not rotating with a clutching member, i.e. without collecting rings
Introduced: September 1968
Last revised: January 2006
Full Title
Magnetically-actuated clutches; Control or electric circuits therefor > with an electromagnet not rotating with a clutching member, i.e. without collecting rings
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
4 direct subcodes
Child Classifications
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- F16D 27/102 with radially movable clutching members
- F16D 27/105 with a helical band or equivalent member co-operating with a cylindrical coupling surface
- F16D 27/108 with axially movable clutching members
- F16D 27/118 with interengaging jaws or gear teeth
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