CPC Main Group
F16K 25/00 Details relating to contact between valve members and seats (movement of valve members other than for opening and closing F16K29/00)
3 direct subcodes
Child Classifications
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- F16K 25/02 Arrangements using fluid issuing from valve members or seats
- F16K 25/04 Arrangements for preventing erosion, not otherwise provided for
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