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F16H 39/00

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)

Introduced: September 1968

Title

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

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)

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

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)

Additional Content IPC

Limiting references

Control of exclusively fluid gearing

Application references

Application to lifting or pushing equipment

Of 4 combined children, 3 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 2039/005 2nd only CPC only CPC only
  • F16H 39/01 Pneumatic gearing; Gearing working with subatmospheric pressure since 1974 IPC+CPC Available in IPC and CPC
  • F16H 39/02 with liquid motors at a distance from liquid pumps 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