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PCE
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CPC Subgroup
B64U 50/20

Transmission of mechanical power to rotors or propellers

Full Title

Propulsion; Power supply > Transmission of mechanical power to rotors or propellers

2 direct subcodes

Child Classifications

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  • B64U 50/23 with each propulsion means having an individual motor
  • B64U 50/27 with a single motor serving two or more rotors or propellers

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