CPC Subgroup
F16D 55/46 with self-tightening action
Full Title
Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes (similar clutches F16D13/38) > with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member > with self-tightening action
2 direct subcodes
Child Classifications
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- F16D 55/48 with discs or pads having a small free angular travel relative to their support, which produces the self-tightening action
- F16D 55/50 with auxiliary friction members, which may be of different type, producing the self-tightening action
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