CPC Subgroup
F16J 15/3204 with at least one lip
Full Title
Sealings > between relatively-moving surfaces (F16J15/50, F16J15/52 take precedence; bellows pistons F16J3/06; piston-rings or ring sealings of similar construction F16J9/00) > with elastic sealings, e.g. O-rings > with at least one lip
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- F16J 15/3208 provided with tension elements, e.g. elastic rings
- F16J 15/3216 supported in a direction parallel to the surfaces
- F16J 15/322 supported in a direction perpendicular to the surfaces
- F16J 15/3224 capable of accommodating changes in distances or misalignment between the surfaces, e.g. able to compensate for defaults of eccentricity or angular deviations
- F16J 15/3228 formed by deforming a flat ring
- F16J 15/3232 having two or more lips
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