CPC Subgroup Additional Only
F15B 2211/405 characterised by the type of flow control means or valve
Full Title
Circuits for servomotor systems > Flow control > characterised by the type of flow control means or valve
6 direct subcodes
Child Classifications
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- F15B 2211/40507 with constant throttles or orifices
- F15B 2211/40515 with variable throttles or orifices
- F15B 2211/40523 with flow dividers
- F15B 2211/40546 with flow combiners
- F15B 2211/40553 with pressure compensating valves
- F15B 2211/40576 Assemblies of multiple valves
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