IPC Subgroup
B64B 1/06 Rigid airships; Semi-rigid airships
Introduced: September 1968
Last revised: January 2006
Full Title
Lighter-than-air aircraft > Rigid airships; Semi-rigid airships
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- AIRCRAFT; AVIATION; COSMONAUTICS
- Subclass:
- LIGHTER-THAN-AIR AIRCRAFT
9 direct subcodes
Child Classifications
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- B64B 1/08 Framework construction
- B64B 1/1 Tail unit construction
- B64B 1/12 Movable control surfaces
- B64B 1/14 Outer covering
- B64B 1/2 provided with wings or stabilising surfaces
- B64B 1/22 Arrangement of cabins or gondolas
- B64B 1/24 Arrangement of propulsion plant
- B64B 1/36 Arrangement of jet reaction apparatus for propulsion or directional control
- B64B 1/38 Controlling position of centre of gravity
Top Applicants
Top 10 applicants by patent filingsfor class B64, 2013–2023, worldwide · Source: EPO PATSTAT
- BOEING COMPANY US 8,583
- AIRBUS OPERATIONS DE 3,430
- AIRBUS OPERATIONS FR 2,757
- HAMILTON SUNDSTRAND US 2,332
- SZ DJI TECHNOLOGY COMPANY CN 2,109
- AIRBUS OPERATIONS GB 2,084
- GOODRICH CORPORATION US 2,053
- XI'AN AIRCRAFT DESIGN INSTITUTE OF AVIATION INDUSTRY CORPORATION OF CHINA 1,938
- BOEING COMPANY 1,816
- NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS 1,589