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DIFF Main Group
F16D 27/00

Magnetically- actuated clutches; Control or electric circuits therefor (clutches with magnetisable particles F16D37/02; )

Introduced: September 1968

Title

Titles differ between systems:

IPC: Magnetically-actuated clutches; Control or electric circuits therefor

CPC: Magnetically- actuated clutches; Control or electric circuits therefor (clutches with magnetisable particles F16D37/02; )

Full Title

Full titles differ between systems:

IPC:

Magnetically-actuated clutches; Control or electric circuits therefor

CPC:

Magnetically- actuated clutches; Control or electric circuits therefor (clutches with magnetisable particles F16D37/02; )

CPC subdivides this area 2x more granularly than IPC with 6 additional codes.

6 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • F16D 2027/001 2nd only CPC only CPC only
  • F16D 2027/002 2nd only CPC only CPC only
  • F16D 2027/005 2nd only CPC only CPC only
  • F16D 2027/007 2nd only CPC only CPC only
  • F16D 2027/008 2nd only CPC only CPC only
  • F16D 27/004 CPC only CPC only
  • F16D 27/01 with permanent magnets IPC+CPC Available in IPC and CPC
  • F16D 27/12 Clutch systems with a plurality of electro-magnetically-actuated clutches IPC+CPC Available in IPC and CPC
  • F16D 27/14 Details 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