CPC Subgroup
F16D 33/06 controlled by changing the amount of liquid in the working circuit
Full Title
Rotary fluid couplings or clutches of the hydrokinetic type > controlled by changing the amount of liquid in the working circuit
2 direct subcodes
Child Classifications
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- F16D 33/08 by devices incorporated in the fluid coupling, with or without remote control
- F16D 33/16 by means arranged externally of the coupling or clutch (mounting of such means in vehicles B60K23/00, e.g. B60K23/02)
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
- HYUNDAI MOTOR COMPANY KR 7,933
- ROBERT BOSCH DE 7,059
- KIA MOTORS CORPORATION KR 4,867
- SKF SE 4,729
- TOYOTA MOTOR CORPORATION JP 4,111
- FORD GLOBAL TECHNOLOGIES US 3,838
- GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
- TOYOTA MOTOR CORPORATION 3,499