B64B LIGHTER-THAN AIR AIRCRAFT
Introduced: September 1968
Description
B64B covers design, construction, and operational systems of lighter-than-air aircraft, including balloons, airships, and dirigibles. This classification encompasses structural components such as envelopes, gas cells, ballonets, and mooring systems, as well as propulsion, control, and stability mechanisms specific to aerostatic lift principles. It also includes auxiliary equipment for inflation, deflation, and ballast management. Adjacent classifications B64C and B64D address heavier-than-air aircraft and general aircraft equipment respectively.
Title
Titles differ between systems:
IPC: LIGHTER-THAN-AIR AIRCRAFT
CPC: LIGHTER-THAN AIR AIRCRAFT
Full Title
Full titles differ between systems:
LIGHTER-THAN-AIR AIRCRAFT
LIGHTER-THAN AIR AIRCRAFT
Of 2 combined children, 1 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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- B64B 2201/00 Hybrid airships, i.e. airships where lift is generated aerodynamically and statically 2nd only CPC only CPC only
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
Class B64,2013–2023, worldwide · Source: EPO PATSTAT
- BOEING COMPANY US 9,861
- AIRBUS OPERATIONS DE 3,766
- AIRBUS OPERATIONS FR 3,112
- SZ DJI TECHNOLOGY COMPANY CN 2,840
- HAMILTON SUNDSTRAND US 2,753
- GOODRICH CORPORATION US 2,427
- AIRBUS OPERATIONS GB 2,356
- BOEING COMPANY 2,057
- SAFRAN AIRCRAFT ENGINES FR 1,815
- AIRBUS OPERATIONS 1,723