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CPC Subgroup
B64B 1/58

Arrangements or construction of gas-bags; Filling arrangements

Full Title

Lighter-than-air aircraft > Arrangements or construction of gas-bags; Filling arrangements

3 direct subcodes

Child Classifications

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  • B64B 1/60 Gas-bags surrounded by separate containers of inert gas
  • B64B 1/62 Controlling gas pressure, heating, cooling, or discharging gas
  • B64B 1/64 Gas valve operating mechanisms

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