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CPC Main Group
B64C 9/00

Adjustable control surfaces or members, e.g. rudders (trimming stabilising surfaces B64C5/10)

12 direct subcodes

Child Classifications

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  • B64C 9/02 Mounting or supporting thereof
  • B64C 9/04 with compound dependent movements
  • B64C 9/06 with two or more independent movements
  • B64C 9/08 bodily displaceable
  • B64C 9/10 one surface adjusted by movement of another, e.g. servo tabs (B64C9/04 takes precedence; adjusting surfaces of different type or function B64C9/12)
  • B64C 9/12 surfaces of different type or function being simultaneously adjusted
  • B64C 9/30 Balancing hinged surfaces, e.g. dynamically
  • B64C 9/38 Jet flaps

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