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IPC Subgroup
B64B 1/58

Arrangements or construction of gas-bags; Filling arrangements

Introduced: September 1968

Last revised: January 2006

Full Title

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

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
AIRCRAFT; AVIATION; COSMONAUTICS
Subclass:
LIGHTER-THAN-AIR AIRCRAFT

3 direct subcodes

Child Classifications

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  • B64B 1/6 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 8,583
  2. AIRBUS OPERATIONS DE 3,430
  3. AIRBUS OPERATIONS FR 2,757
  4. HAMILTON SUNDSTRAND US 2,332
  5. SZ DJI TECHNOLOGY COMPANY CN 2,109
  6. AIRBUS OPERATIONS GB 2,084
  7. GOODRICH CORPORATION US 2,053
  8. XI'AN AIRCRAFT DESIGN INSTITUTE OF AVIATION INDUSTRY CORPORATION OF CHINA 1,938
  9. BOEING COMPANY 1,816
  10. NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS 1,589