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DIFF Subgroup
F16H 39/10

with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing

Introduced: September 1968

Title

Titles differ between systems:

IPC: with cylinders arranged around, and parallel or approximately parallel to, the main axis of the gearing

CPC: with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing

Full Title

Full titles differ between systems:

IPC:

Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution > with liquid motor and pump combined in one unit > pump and motor being of the same type > each with one main shaft and provided with pistons reciprocating in cylinders > with cylinders arranged around, and parallel or approximately parallel to, the main axis of the gearing

CPC:

Rotary fluid gearing using pumps and motors of the volumetric type, i.e. passing a predetermined volume of fluid per revolution (control of exclusively fluid gearing F16H61/38) > with liquid motor and pump combined in one unit > pump and motor being of the same type > each with one main shaft and provided with pistons reciprocating in cylinders > with cylinders arranged around, and parallel or approximately parallel to the main axis of the gearing

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

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

Child Classifications

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  • F16H 2039/105 2nd only CPC only CPC only
  • F16H 39/12 with stationary cylinders IPC+CPC Available in IPC and CPC
  • F16H 39/14 with cylinders carried in rotary cylinder blocks or cylinder-bearing members 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