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DIFF Subgroup
F15B 7/02

Systems with continuously-operating input and output apparatus

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Fluid-pressure actuator systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors > Systems with continuously-operating input and output apparatus

CPC:

Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors > Systems with continuously-operating input and output apparatus

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class F15,2013–2023, worldwide · Source: EPO PATSTAT

  1. ROBERT BOSCH DE 1,079
  2. SCHAEFFLER TECHNOLOGIES & COMPANY DE 980
  3. SMC CORPORATION JP 737
  4. HITACHI CONSTRUCTION MACHINERY COMPANY JP 674
  5. KYB CORPORATION JP 525
  6. CATERPILLAR US 461
  7. FESTO & COMPANY DE 451
  8. ZHEJIANG UNIVERSITY 448
  9. HITACHI CONSTRUCTION MACHINERY COMPANY 442
  10. XUZHOU HEAVY MACHINERY COMPANY 404

Top Applicants (CPC)

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