IPC Main Group
B64C 9/00 Adjustable control surfaces or members, e.g. rudders
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- AIRCRAFT; AVIATION; COSMONAUTICS
- Subclass:
- AEROPLANES; HELICOPTERS
Additional Content
Trimming stabilising surfaces
Related Keywords
AILERONSRUDDERS for aircraft
11 direct subcodes
Child Classifications
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- B64C 9/02 Mounting or supporting thereof
- B64C 9/04 with compound dependent movements
- B64C 9/06 with two or more independent movements
- B64C 9/08 bodily displaceable
- B64C 9/1 one surface adjusted by movement of another, e.g. servo tabs
- B64C 9/12 surfaces of different type or function being simultaneously adjusted
- B64C 9/14 forming slots
- B64C 9/3 Balancing hinged surfaces, e.g. dynamically
- B64C 9/32 Air braking surfaces
- B64C 9/34 collapsing or retracting against or within other surfaces or other members
- B64C 9/38 Jet flaps
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