CPC Subgroup
F16K 17/28 operating in one direction only
Full Title
Safety valves; Equalising valves, > Excess-flow valves (actuated in consequence of shock or similar extraneous influence F16K17/36) > actuated by the difference of pressure between two places in the flow line > acting directly on the cutting-off member > operating in one direction only
2 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F16K 17/30 spring-loaded
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