IPC Subgroup
F16J 15/3268 Mounting of sealing rings
Introduced: January 2016
Full Title
Sealings > between relatively-moving surfaces > with elastic sealings, e.g. O-rings > Mounting of sealing rings
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- Subclass:
- PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS
2 direct subcodes
Child Classifications
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- F16J 15/3272 the rings having a break or opening, e.g. to enable mounting on a shaft otherwise than from a shaft end
- F16J 15/3276 with additional static sealing between the sealing, or its casing or support, and the surface on which it is mounted
Top Applicants
Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
- ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
- TOYOTA MOTOR CORPORATION 7,215
- HYUNDAI MOTOR COMPANY KR 6,846
- ROBERT BOSCH DE 6,106
- NTN CORPORATION 5,305
- SKF SE 4,219
- KIA MOTORS CORPORATION KR 3,852
- NSK 3,850
- HONDA MOTOR COMPANY 3,639