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CPC Subgroup
F16H 33/185

Full Title

Gearings based on repeated accumulation and delivery of energy > Rotary transmissions with mechanical accumulators, e.g. weights, springs, intermittently-connected flywheels > Gearings for conveying rotary motion with variable velocity ratio, in which self-regulation is sought > based essentially on inertia > having orbital members influenced by regulating masses > of which the motion is constrained

Filing statistics

CPC F16H 33/185 belongs to the parent subclass F16H, which recorded 198,748 patent applications worldwide between 2013 and 2023. Annual filings declined from 16,136 in 2013 to 13,125 in 2023 (-19%), peaking at 22,214 applications in 2017. The most active applicants in class F16 are SCHAEFFLER TECHNOLOGIES & COMPANY (22,817 applications), ZAHNRADFABRIK FRIEDRICHSHAFEN (10,523 applications) and HYUNDAI MOTOR COMPANY (7,933 applications).

Source: EPO PATSTAT, worldwide filings

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