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IPC Main Group
B64D 1/00

Dropping, ejecting, releasing or receiving articles, liquids, or the like, in flight

Introduced: September 1968

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
AIRCRAFT; AVIATION; COSMONAUTICS
Subclass:
EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT

Filing statistics

IPC B64D 1/00 belongs to the parent subclass B64D, which recorded 136,419 patent applications worldwide between 2013 and 2023. Annual filings grew from 5,662 in 2013 to 10,944 in 2023 (+93%), peaking at 17,119 applications in 2020. The most active applicants in class B64 are BOEING COMPANY (8,583 applications), AIRBUS OPERATIONS (3,430 applications) and AIRBUS OPERATIONS (2,757 applications).

Source: EPO PATSTAT, worldwide filings

Additional Content

Refuelling during flight Apparatus for launching projectiles or missiles from barrels, e.g. cannons Rocket or torpedo launchers Launching apparatus for projecting projectiles or missiles otherwise than from barrels Weapon sights; Aiming

Related Keywords

dropping, releasing, or receiving articles from AIRCRAFT while in flight

3 direct subcodes

Child Classifications

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  • B64D 1/22 Taking-up articles from earth's surface

Top Applicants

Top 10 applicants by patent filingsfor 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