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DIFF Subgroup
F16D 33/16

by means arranged externally of the coupling or clutch (mounting of such means in vehicles B60K23/00, e.g. B60K23/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by means arranged externally of the coupling or clutch

CPC: by means arranged externally of the coupling or clutch (mounting of such means in vehicles B60K23/00, e.g. B60K23/02)

Full Title

Full titles differ between systems:

IPC:

Rotary fluid couplings or clutches of the hydrokinetic type > controlled by changing the amount of liquid in the working circuit > by means arranged externally of the coupling or clutch

CPC:

Rotary fluid couplings or clutches of the hydrokinetic type > controlled by changing the amount of liquid in the working circuit > by means arranged externally of the coupling or clutch (mounting of such means in vehicles B60K23/00, e.g. B60K23/02)

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