CPC Subgroup Additional Only
F15B 2211/32 characterised by the type of actuation
Full Title
Circuits for servomotor systems > Directional control > characterised by the type of actuation
3 direct subcodes
Child Classifications
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- F15B 2211/321 mechanically
- F15B 2211/327 electrically or electronically
- F15B 2211/329 actuated by fluid pressure
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