DIFF Main Group
B64C 1/00 Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
Introduced: September 1968
Of 19 combined children, 14 exist in both systems.
5 codes are CPC-only extensions.
Note: 4 CPC extensions are marked as secondary classification only.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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- B64C 1/14 Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens (fairings movable in conjunction with undercarriage elements B64C25/16; bomb doors B64D1/06) +2 CPC IPC+CPC Available in IPC and CPC
- B64C 1/22 Other structures integral with fuselages to facilitate loading IPC+CPC Available in IPC and CPC
- B64C 1/28 Parts of fuselage relatively movable to improve pilots view IPC+CPC Available in IPC and CPC
- B64C 1/30 Parts of fuselage relatively movable to reduce overall dimensions of aircraft IPC+CPC Available in IPC and CPC
- B64C 1/32 Severable or jettisonable parts of fuselage facilitating emergency escape IPC+CPC Available in IPC and CPC
- B64C 1/38 Constructions adapted to reduce effects of aerodynamic or other external heating IPC+CPC Available in IPC and CPC
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