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DIFF Subgroup
F16H 57/029

characterised by means for sealing the gearboxes, e.g. to improve airtightness

Introduced: January 2012

Title

Titles differ between systems:

IPC: characterised by means for sealing gearboxes, e.g. to improve airtightness

CPC: characterised by means for sealing the gearboxes, e.g. to improve airtightness

Full Title

Full titles differ between systems:

IPC:

General details of gearing > Gearboxes; Mounting gearing therein > characterised by means for sealing gearboxes, e.g. to improve airtightness

CPC:

General details of gearing (of screw-and-nut gearing F16H25/00; of fluid gearing F16H39/00 - F16H43/00) > Gearboxes; Mounting gearing therein > characterised by means for sealing the gearboxes, e.g. to improve airtightness

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

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