IPC Main Group
F16F 7/00 Vibration-dampers; Shock-absorbers
Introduced: September 1968
Last revised: January 2006
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:
- SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
6 direct subcodes
Child Classifications
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- F16F 7/01 using friction between loose particles, e.g. sand
- F16F 7/02 with relatively-rotatable friction surfaces that are pressed together
- F16F 7/08 with friction surfaces rectilinearly movable along each other
- F16F 7/1 using inertia effect
- F16F 7/12 using plastic deformation of members
- F16F 7/14 of cable-support type, i.e. frictionally-engaged loop-forming cables
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