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CPC Subgroup Additional Only
F15B 2211/76

Control of force or torque of the output member

Full Title

Circuits for servomotor systems > Output members, e.g. hydraulic motors or cylinders or control therefor > Control of force or torque of the output member

2 direct subcodes

Child Classifications

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  • F15B 2211/761 Control of a negative load, i.e. of a load generating hydraulic energy
  • F15B 2211/763 Control of torque of the output member by means of a variable capacity motor, i.e. by a secondary control on the motor

Top Applicants

Top 10 applicants by patent filingsfor class F15, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 1,281
  2. SMC CORPORATION JP 865
  3. HITACHI CONSTRUCTION MACHINERY COMPANY JP 814
  4. KYB CORPORATION JP 584
  5. SCHAEFFLER TECHNOLOGIES & COMPANY DE 536
  6. CATERPILLAR US 532
  7. FESTO & COMPANY DE 486
  8. JOHN DEERE US 419
  9. KAWASAKI HEAVY IND JP 368
  10. HAMILTON SUNDSTRAND US 368