B64D 39/00
Refuelling during flight
B64D39/00 (Refuelling during flight) appears on 482 US grants and 485 published applications in this corpus.
Search patents in B64D- Granted patents
- 482
- Published applications
- 485
- Assignees
- 150
- Inventors
- 746
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 2 |
| 2003 | 9 | 5 |
| 2004 | 6 | 6 |
| 2005 | 9 | 12 |
| 2006 | 14 | 27 |
| 2007 | 12 | 15 |
| 2008 | 11 | 21 |
| 2009 | 12 | 18 |
| 2010 | 14 | 25 |
| 2011 | 18 | 14 |
| 2012 | 15 | 21 |
| 2013 | 19 | 13 |
| 2014 | 15 | 20 |
| 2015 | 18 | 16 |
| 2016 | 22 | 24 |
| 2017 | 12 | 52 |
| 2018 | 19 | 24 |
| 2019 | 23 | 29 |
| 2020 | 29 | 10 |
| 2021 | 30 | 43 |
| 2022 | 18 | 19 |
| 2023 | 29 | 19 |
| 2024 | 30 | 16 |
| 2025 | 16 | 19 |
| 2026 | 15 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for testing flight control surface actuators of aerial refueling booms22 Sep 2026US 12,741,754 B2The Boeing Company
- Systems and methods for calculating refueling tanker boom 3D position for aerial refueling8 Sep 2026US 12,729,010 B2The Boeing Company
- System and method for breakaway during air-to-air refueling4 Aug 2026US 12,698,092 B2The Boeing Company
- Aerial refuelling drogue assembly stabilization and guidance system14 Jul 2026US 12,679,554 B2Airbub Defence and Space, S.A.U.
- Cam cleat assembly for plumbing fixtures employing flexible hoses14 Jul 2026US 12,679,691 B2Waterstone, LLC
- Blended wing body tanker and method of use1 Oct 2026US 2026/0296644 A1JetZero, Inc.
- Redundant control system for an air to air refuelling system17 Sep 2026US 2026/0274435 A1Airbus Defence and Space, S.A.U.
- Guillotine system, in particular for an in-flight refueling device17 Sep 2026US 2026/0274436 A1Safran Aerosystems
- Device for the in-flight refueling of an aircraft10 Sep 2026US 2026/0264872 A1Safran Aerosystems
- Real-time error monitor of receiver aircraft based on machine learning keypoint solutions for automated aerial refueling20 Aug 2026US 2026/0242067 A1The Boeing Company
Most cited
By later US patents
- Cellular system380US 10,812,992 B12020
- Automated director light system for aerial refueling operations248US 5,904,729 AThe Boeing Company · 1999
- Guiding method and device for in-flight-refuelling line216US 6,324,295 B1Institut National Polytechnique de Grenoble · 2001
- Hose for conveying fluid169US 10,267,439 B2Icon Polymer Group Limited · 2019
- Helicopter airborne load systems and composite aircraft configurations149US 4,267,987 A1981