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CPC Subgroup
F16F 15/30

Flywheels (F16F15/16, F16F15/28 take precedence; suppression of vibrations in rotating systems using elastic members or friction-damping members moving with the system, F16F15/12; rotary-body aspects in general F16C13/00, F16C15/00)

Full Title

Suppression of vibrations in systems ( ; vehicle seat suspension devices B60N2/50; ); Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion ( ; testing static and dynamic balance of machines or structures G01M1/00) > Flywheels (F16F15/16, F16F15/28 take precedence; suppression of vibrations in rotating systems using elastic members or friction-damping members moving with the system, F16F15/12; rotary-body aspects in general F16C13/00, F16C15/00)

4 direct subcodes

Child Classifications

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  • F16F 15/305 made of plastics, e.g. fibre reinforced plastics [FRP]
  • F16F 15/31 characterised by means for varying the moment of inertia

Top Applicants

Top 10 applicants by patent filingsfor class F16, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SCHAEFFLER TECHNOLOGIES & COMPANY DE 22,817
  2. ZAHNRADFABRIK FRIEDRICHSHAFEN DE 10,523
  3. HYUNDAI MOTOR COMPANY KR 7,933
  4. ROBERT BOSCH DE 7,059
  5. KIA MOTORS CORPORATION KR 4,867
  6. SKF SE 4,729
  7. TOYOTA MOTOR CORPORATION JP 4,111
  8. FORD GLOBAL TECHNOLOGIES US 3,838
  9. GM GLOBAL TECHNOLOGY OPERATIONS US 3,575
  10. TOYOTA MOTOR CORPORATION 3,499