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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

  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