Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
B64C 39/06

having disc- or ring-shaped wings

Full Title

Aircraft not otherwise provided for > having disc- or ring-shaped wings

Filing statistics

CPC B64C 39/06 belongs to the parent subclass B64C, which recorded 99,021 patent applications worldwide between 2013 and 2023. Annual filings grew from 4,630 in 2013 to 7,634 in 2023 (+65%), peaking at 12,052 applications in 2018. The most active applicants in class B64 are BOEING COMPANY (9,861 applications), AIRBUS OPERATIONS (3,766 applications) and AIRBUS OPERATIONS (3,112 applications).

Source: EPO PATSTAT, worldwide filings

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

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