CPC Subgroup Additional Only
F15B 2211/665 Methods of control using electronic components
Full Title
Circuits for servomotor systems > Circuit components or control therefor > Methods of control using electronic components
8 direct subcodes
Child Classifications
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- F15B 2211/6651 Control of the prime mover, e.g. control of the output torque or rotational speed
- F15B 2211/6652 Control of the pressure source, e.g. control of the swash plate angle
- F15B 2211/6653 Pressure control
- F15B 2211/6654 Flow rate control
- F15B 2211/6655 Power control, e.g. combined pressure and flow rate control
- F15B 2211/6656 Closed loop control, i.e. control using feedback
- F15B 2211/6657 Open loop control, i.e. control without feedback
- F15B 2211/6658 Control using different modes, e.g. four-quadrant-operation, working mode and transportation mode
Top Applicants
Top 10 applicants by patent filingsfor class F15, 2013–2023, worldwide · Source: EPO PATSTAT
- ROBERT BOSCH DE 1,281
- SMC CORPORATION JP 865
- HITACHI CONSTRUCTION MACHINERY COMPANY JP 814
- KYB CORPORATION JP 584
- SCHAEFFLER TECHNOLOGIES & COMPANY DE 536
- CATERPILLAR US 532
- FESTO & COMPANY DE 486
- JOHN DEERE US 419
- KAWASAKI HEAVY IND JP 368
- HAMILTON SUNDSTRAND US 368