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PCE
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CPC Subgroup
B64C 13/40

using fluid pressure

Full Title

Control systems or transmitting systems for actuating flying-control surfaces, lift-increasing flaps, air brakes, or spoilers > Transmitting means > with power amplification > using fluid pressure

4 direct subcodes

Child Classifications

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  • B64C 13/42 having duplication or stand-by provisions
  • B64C 13/44 overriding of personal controls; with automatic return to inoperative position
  • B64C 13/46 with artificial feel
  • B64C 13/48 characterised by the fluid being gaseous

Top Applicants

Top 10 applicants by patent filingsfor class B64, 2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 9,861
  2. AIRBUS OPERATIONS DE 3,766
  3. AIRBUS OPERATIONS FR 3,112
  4. SZ DJI TECHNOLOGY COMPANY CN 2,840
  5. HAMILTON SUNDSTRAND US 2,753
  6. GOODRICH CORPORATION US 2,427
  7. AIRBUS OPERATIONS GB 2,356
  8. BOEING COMPANY 2,057
  9. SAFRAN AIRCRAFT ENGINES FR 1,815
  10. AIRBUS OPERATIONS 1,723