IPC Main Group
B64C 3/00 Wings
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- AIRCRAFT; AVIATION; COSMONAUTICS
- Subclass:
- AEROPLANES; HELICOPTERS
Additional Content
Ornithopter wings
Related Keywords
aircraft WING(S)
13 direct subcodes
Child Classifications
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- B64C 3/1 Shape of wings
- B64C 3/18 Spars; Ribs; Stringers
- B64C 3/2 Integral or sandwich constructions
- B64C 3/22 Geodetic or other open-frame structures
- B64C 3/24 Moulded or cast structures
- B64C 3/26 Construction, shape, or attachment of separate skins, e.g. panels
- B64C 3/28 Leading or trailing edges attached to primary structures, e.g. forming fixed slots
- B64C 3/3 comprising inflatable structural components
- B64C 3/32 specially adapted for mounting power plant
- B64C 3/34 Tanks constructed integrally with wings, e.g. for fuel or water
- B64C 3/36 Structures adapted to reduce effects of aerodynamic or other external heating
- B64C 3/38 Adjustment of complete wings or parts thereof
- B64C 3/58 provided with fences or spoilers
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