DIFF Subgroup
B64U 30/29 Constructional aspects of rotors or rotor supports; Arrangements thereof
Introduced: January 2023
Full Title
Means for producing lift; Empennages; Arrangements thereof > Rotors; Rotor supports > Constructional aspects of rotors or rotor supports; Arrangements thereof
IPC and CPC are identically structured here. All 7 subcodes exist in both systems.
2 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 2023.
Child Classifications
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- B64U 30/293 Foldable or collapsible rotors or rotor supports since 2023 IPC+CPC Available in IPC and CPC
- B64U 30/296 Rotors with variable spatial positions relative to the UAV body (foldable or collapsible rotors B64U30/293) since 2023 IPC+CPC Available in IPC and CPC
- B64U 30/299 Rotor guards (ducted or shrouded rotors B64U30/26; guards used as ground propulsion B64U60/60) since 2023 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