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DIFF Subgroup
F16D 3/50

with the coupling parts connected by one or more intermediate members (F16D3/16 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: with the coupling parts connected by one or more intermediate members

CPC: with the coupling parts connected by one or more intermediate members (F16D3/16 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Yielding couplings, i.e. with means permitting movement between the connected parts during the drive > with the coupling parts connected by one or more intermediate members

CPC:

Yielding couplings, i.e. with means permitting movement between the connected parts during the drive (couplings disconnectable simply by axial movement F16D1/10; slip couplings F16D7/00) > with the coupling parts connected by one or more intermediate members (F16D3/16 takes precedence)

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F16D 3/52 comprising a continuous strip, spring, or the like engaging the coupling parts at a number of places IPC+CPC Available in IPC and CPC
  • F16D 3/54 Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent IPC+CPC Available in IPC and CPC
  • F16D 3/70 comprising elastic elements arranged in holes in one coupling part and surrounding pins on the other coupling part IPC+CPC Available in 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