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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

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 21,545
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 9,446
  3. TOYOTA MOTOR CORPORATION 7,215
  4. HYUNDAI MOTOR COMPANY KR 6,846
  5. ROBERT BOSCH DE 6,106
  6. NTN CORPORATION 5,305
  7. SKF SE 4,219
  8. KIA MOTORS CORPORATION KR 3,852
  9. NSK 3,850
  10. HONDA MOTOR COMPANY 3,639