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PCE
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DIFF Subgroup
B64D 15/12

by electric heating (heating arrangements specially adapted for transparent or reflecting areas H05B3/84)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by electric heating

CPC: by electric heating (heating arrangements specially adapted for transparent or reflecting areas H05B3/84)

Full Title

Full titles differ between systems:

IPC:

De-icing or preventing icing on exterior surfaces of aircraft > by electric heating

CPC:

De-icing or preventing icing on exterior surfaces of aircraft > by electric heating (heating arrangements specially adapted for transparent or reflecting areas H05B3/84)

Additional Content IPC

Heating arrangements specially adapted for transparent or reflecting areas

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • B64D 15/14 controlled cyclically along length of surface 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