CPC Subgroup Additional Only
F15B 2201/315 having flexible separating means
Full Title
Accumulators > Accumulator separating means > having flexible separating means
8 direct subcodes
Child Classifications
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- F15B 2201/3151 the flexible separating means being diaphragms or membranes
- F15B 2201/3152 the flexible separating means being bladders
- F15B 2201/3153 the flexible separating means being bellows
- F15B 2201/3154 the flexible separating means being completely enclosed, e.g. using gas-filled balls or foam
- F15B 2201/3155 characterised by the material of the flexible separating means
- F15B 2201/3156 characterised by their attachment
- F15B 2201/3157 Sealings for the flexible separating means
- F15B 2201/3158 Guides for the flexible separating means, e.g. for a collapsed bladder
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