Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Main Group
B64C 1/00

Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like

Introduced: September 1968

Of 19 combined children, 14 exist in both systems.

5 codes are CPC-only extensions.

Note: 4 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • B64C 1/0009 CPC only CPC only
  • B64C 1/16 specially adapted for mounting power plant IPC+CPC Available in IPC and CPC
  • B64C 1/22 Other structures integral with fuselages to facilitate loading IPC+CPC Available in IPC and CPC
  • B64C 1/24 Steps mounted on, and retractable within, fuselages IPC+CPC Available in IPC and CPC
  • B64C 1/26 Attaching the wing or tail units or stabilising surfaces IPC+CPC Available in IPC and CPC
  • B64C 1/28 Parts of fuselage relatively movable to improve pilots view IPC+CPC Available in IPC and CPC
  • B64C 1/30 Parts of fuselage relatively movable to reduce overall dimensions of aircraft IPC+CPC Available in IPC and CPC
  • B64C 1/32 Severable or jettisonable parts of fuselage facilitating emergency escape IPC+CPC Available in IPC and CPC
  • B64C 1/34 comprising inflatable structural components IPC+CPC Available in IPC and CPC
  • B64C 1/36 adapted to receive antennas or radomes IPC+CPC Available in IPC and CPC
  • B64C 1/38 Constructions adapted to reduce effects of aerodynamic or other external heating IPC+CPC Available in IPC and CPC
  • B64C 2001/0045 2nd only CPC only CPC only
  • B64C 2001/009 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class B64,2013–2023, worldwide · Source: EPO PATSTAT

  1. BOEING COMPANY US 8,583
  2. AIRBUS OPERATIONS DE 3,430
  3. AIRBUS OPERATIONS FR 2,757
  4. HAMILTON SUNDSTRAND US 2,332
  5. SZ DJI TECHNOLOGY COMPANY CN 2,109
  6. AIRBUS OPERATIONS GB 2,084
  7. GOODRICH CORPORATION US 2,053
  8. XI'AN AIRCRAFT DESIGN INSTITUTE OF AVIATION INDUSTRY CORPORATION OF CHINA 1,938
  9. BOEING COMPANY 1,816
  10. NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS 1,589

Top Applicants (CPC)

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