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IPC Subgroup
F16J 15/328

Manufacturing methods specially adapted for elastic sealings

Introduced: January 2016

Full Title

Sealings > between relatively-moving surfaces > with elastic sealings, e.g. O-rings > Manufacturing methods specially adapted for elastic sealings

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

Additional Content

Limiting references

Moulding

Application references

Sealings of bearings Spindle sealings for valves Moulding for manufacturing sealings

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