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DIFF Main Group
B64U 60/00

Undercarriages

Introduced: January 2023

IPC and CPC are identically structured here. All 7 subcodes exist in both systems.

IPC defines codes here since 2023.

Child Classifications

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  • B64U 60/10 specially adapted for use on water since 2023 IPC+CPC Available in IPC and CPC
  • B64U 60/20 specially adapted for uneven terrain since 2023 IPC+CPC Available in IPC and CPC
  • B64U 60/30 detachable from the body since 2023 IPC+CPC Available in IPC and CPC
  • B64U 60/40 foldable or retractable since 2023 IPC+CPC Available in IPC and CPC
  • B64U 60/60 with rolling cages since 2023 IPC+CPC Available in IPC and CPC
  • B64U 60/70 Movable wings, rotor supports or shrouds acting as ground-engaging elements since 2023 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