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IPC Subgroup
F16F 15/3

Flywheels

Introduced: September 1968

Last revised: January 2006

Full Title

Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion > Flywheels

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

Related Keywords

FLYWHEELSfly- WHEEL(S)

3 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
  • F16F 15/315 characterised by their supporting arrangement, e.g. mountings, cages, securing inertia member to shaft

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