CPC Subgroup
F16D 51/46 Self-tightening brakes with pivoted brake shoes,
Full Title
Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like (similar clutches F16D13/14) > Self-tightening brakes with pivoted brake shoes,
4 direct subcodes
Child Classifications
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- F16D 51/48 with two linked or directly-interacting brake shoes
- F16D 51/54 with three or more brake-shoes, at least two of them being linked or directly interacting
- F16D 51/60 with wedging action of a brake-shoe, e.g. the shoe entering as a wedge between the brake-drum and a stationary part
- F16D 51/66 an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe
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