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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B64B 1/06

Rigid airships; Semi-rigid airships (B64B1/58 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Rigid airships; Semi-rigid airships

CPC: Rigid airships; Semi-rigid airships (B64B1/58 takes precedence)

Full Title

Full titles differ between systems:

IPC:

Lighter-than-air aircraft > Rigid airships; Semi-rigid airships

CPC:

Lighter-than-air aircraft > Rigid airships; Semi-rigid airships (B64B1/58 takes precedence)

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • B64B 1/08 Framework construction IPC+CPC Available in IPC and CPC
  • B64B 1/10 Tail unit construction (B64B1/12 takes precedence) IPC+CPC Available in IPC and CPC
  • B64B 1/12 Movable control surfaces IPC+CPC Available in IPC and CPC
  • B64B 1/20 provided with wings or stabilising surfaces IPC+CPC Available in IPC and CPC
  • B64B 1/22 Arrangement of cabins or gondolas IPC+CPC Available in IPC and CPC
  • B64B 1/36 Arrangement of jet reaction apparatus for propulsion or directional control IPC+CPC Available in IPC and CPC
  • B64B 1/38 Controlling position of centre of gravity IPC+CPC Available in IPC and CPC

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