DIFF Subgroup
B64D 25/10 Ejector seats
Introduced: September 1968
Full Title
Emergency apparatus or devices, not otherwise provided for > Ejecting or escaping means > Ejector seats
Of 5 combined children, 0 exist in both systems.
5 codes exist only in IPC.
IPC defines codes here since 1990.
Child Classifications
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- B64D 25/102 Propelling means, e.g. by a combination of catapult and rocket means since 1990 −2 IPC IPC only IPC only
- B64D 25/11 Controlling attitude or direction of ejector seat or associated mechanism prior to ejection since 1990 IPC only IPC only
- B64D 25/112 Controlling attitude or direction of ejector seat after ejection since 1990 IPC only IPC 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