CPC Main Group Additional Only
F16F 2228/00 Functional characteristics, e.g. variability, frequency-dependence
7 direct subcodes
Child Classifications
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- F16F 2228/001 Specific functional characteristics in numerical form or in the form of equations
- F16F 2228/04 Frequency effects
- F16F 2228/06 Stiffness
- F16F 2228/08 pre-stressed
- F16F 2228/10 with threshold or dead zone
- F16F 2228/12 degressive
- F16F 2228/14 progressive
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