B64D 1/02 Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D37/12)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Dropping, ejecting, or releasing articles
CPC: Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D37/12)
Full Title
Full titles differ between systems:
Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight > Dropping, ejecting, or releasing articles
Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight (refuelling during flight B64D39/00; launching apparatus for projecting projectiles or missiles F41F1/00, F41F7/00; rocket or torpedo launchers F41F3/00; weapon sights or aiming F41G) > Dropping, ejecting, or releasing articles (jettisonable fuel reservoirs B64D37/12)
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
Navigate with arrow keys, Enter to open
Top Applicants
Top Applicants (IPC)
Class B64,2013–2023, worldwide · Source: EPO PATSTAT
- BOEING COMPANY US 8,583
- AIRBUS OPERATIONS DE 3,430
- AIRBUS OPERATIONS FR 2,757
- HAMILTON SUNDSTRAND US 2,332
- SZ DJI TECHNOLOGY COMPANY CN 2,109
- AIRBUS OPERATIONS GB 2,084
- GOODRICH CORPORATION US 2,053
- XI'AN AIRCRAFT DESIGN INSTITUTE OF AVIATION INDUSTRY CORPORATION OF CHINA 1,938
- BOEING COMPANY 1,816
- NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS 1,589
Top Applicants (CPC)
Class B64,2013–2023, worldwide · Source: EPO PATSTAT
- BOEING COMPANY US 9,861
- AIRBUS OPERATIONS DE 3,766
- AIRBUS OPERATIONS FR 3,112
- SZ DJI TECHNOLOGY COMPANY CN 2,840
- HAMILTON SUNDSTRAND US 2,753
- GOODRICH CORPORATION US 2,427
- AIRBUS OPERATIONS GB 2,356
- BOEING COMPANY 2,057
- SAFRAN AIRCRAFT ENGINES FR 1,815
- AIRBUS OPERATIONS 1,723