IPC Subgroup
B64D 25/1 Ejector seats
Introduced: September 1968
Last revised: January 2006
Full Title
Emergency apparatus or devices, not otherwise provided for > Ejecting or escaping means > Ejector seats
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- AIRCRAFT; AVIATION; COSMONAUTICS
- Subclass:
- EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
Related Keywords
ejector SEAT(S) for aircraft
5 direct subcodes
Child Classifications
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- B64D 25/102 Propelling means, e.g. by a combination of catapult and rocket means
- B64D 25/11 Controlling attitude or direction of ejector seat or associated mechanism prior to ejection
- B64D 25/112 Controlling attitude or direction of ejector seat after ejection
- B64D 25/115 Occupant restraining, positioning or protecting devices
- B64D 25/118 Separation of occupant from seat after ejection
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