CPC Subgroup
B64U 50/30 Supply or distribution of electrical power
Full Title
Propulsion; Power supply > Supply or distribution of electrical power
6 direct subcodes
Child Classifications
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- B64U 50/31 generated by photovoltaics
- B64U 50/32 generated by fuel cells
- B64U 50/33 generated by combustion engines
- B64U 50/34 In-flight charging (photovoltaics B64U50/31)
- B64U 50/37 Charging when not in flight
- B64U 50/39 Battery swapping
Top Applicants
Top 10 applicants by patent filingsfor 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