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DIFF Subgroup
F16H 37/12

Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types (gearings with cranks, eccentrics, or like members fixed to one rotary member and guided along tracks on the other F16H21/14; crank or eccentric gearings with cams or additional guides, or with members having rolling contact F16H21/28, F16H21/30)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these three types

CPC: Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types (gearings with cranks, eccentrics, or like members fixed to one rotary member and guided along tracks on the other F16H21/14; crank or eccentric gearings with cams or additional guides, or with members having rolling contact F16H21/28, F16H21/30)

Full Title

Full titles differ between systems:

IPC:

Combinations of mechanical gearings, not provided for in groups > Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these three types

CPC:

Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 (combinations of mechanical gearing with fluid clutches or fluid gearing F16H47/00) > Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types (gearings with cranks, eccentrics, or like members fixed to one rotary member and guided along tracks on the other F16H21/14; crank or eccentric gearings with cams or additional guides, or with members having rolling contact F16H21/28, F16H21/30)

Additional Content IPC

Gearings with cranks, eccentrics, or like members fixed to one rotary member and guided along tracks on the other Crank or eccentric gearings with cams or additional guides, or with members having rolling contact ,

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

Child Classifications

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  • F16H 2037/128 2nd only CPC only CPC only
  • F16H 37/122 CPC only CPC only
  • F16H 37/14 the movements of two or more independently-moving members being combined into a single movement IPC+CPC Available in IPC and CPC
  • F16H 37/16 with a driving or driven member which both rotates or oscillates on its axis and reciprocates 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