CPC Subclass Not Allocatable
B64B LIGHTER-THAN AIR AIRCRAFT
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.
2 direct subcodes
Child Classifications
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- B64B 1/00 Lighter-than-air aircraft
- B64B 2201/00 Hybrid airships, i.e. airships where lift is generated aerodynamically and statically
Top Applicants
Top 10 applicants by patent filingsfor 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