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CPC Subgroup
B64D 35/08

characterised by the transmission being driven by a plurality of power plants (for hybrid-electric power plants B64D35/022)

Full Title

Transmitting power from power plants to propellers or rotors; Arrangements of transmissions > characterised by the transmission being driven by a plurality of power plants (for hybrid-electric power plants B64D35/022)

Top Applicants

Top 10 applicants by patent filingsfor class B64, 2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 9,861
  2. AIRBUS OPERATIONS DE 3,766
  3. AIRBUS OPERATIONS FR 3,112
  4. SZ DJI TECHNOLOGY COMPANY CN 2,840
  5. HAMILTON SUNDSTRAND US 2,753
  6. GOODRICH CORPORATION US 2,427
  7. AIRBUS OPERATIONS GB 2,356
  8. BOEING COMPANY 2,057
  9. SAFRAN AIRCRAFT ENGINES FR 1,815
  10. AIRBUS OPERATIONS 1,723