CPC Subgroup
F16F 1/36 made of rubber or other material having high internal friction,
Full Title
Springs (working with fluid F16F5/00, F16F9/00) > made of rubber or other material having high internal friction,
12 direct subcodes
Child Classifications
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- F16F 1/362 made of steel wool, compressed hair,
- F16F 1/364 made of cork, wood or like material
- F16F 1/366 made of fibre-reinforced plastics,
- F16F 1/37 of foam-like material , e.g. sponge rubber
- F16F 1/371 characterised by inserts or auxiliary extension elements, e.g. for rigidification (F16F1/387 takes precedence; )
- F16F 1/373 characterised by having a particular shape
- F16F 1/379 characterised by arrangements for controlling the spring temperature, e.g. by cooling
- F16F 1/38 with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin
- F16F 1/40 consisting of a stack of similar elements separated by non-elastic intermediate layers
- F16F 1/42 characterised by the mode of stressing
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