B64U 30/40
Empennages
Official title: Empennages, e.g. V-tails (foldable or collapsible UAVs B64U20/50)
B64U30/40 (Empennages) appears on 157 US grants and 206 published applications in this corpus.
Search patents in B64U- Granted patents
- 157
- Published applications
- 206
- Assignees
- 95
- Inventors
- 360
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 2 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 3 |
| 2008 | 1 | 5 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 3 | 3 |
| 2012 | 3 | 4 |
| 2013 | 4 | 4 |
| 2014 | 4 | 7 |
| 2015 | 6 | 1 |
| 2016 | 1 | 7 |
| 2017 | 3 | 11 |
| 2018 | 3 | 8 |
| 2019 | 9 | 18 |
| 2020 | 11 | 20 |
| 2021 | 17 | 21 |
| 2022 | 13 | 21 |
| 2023 | 27 | 27 |
| 2024 | 20 | 11 |
| 2025 | 14 | 9 |
| 2026 | 6 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Offset drag reduction device1 Sep 2026US 12,722,813 B2Wing Aviation LLC
- Elevon control system4 Aug 2026US 12,698,076 B2AeroVironment, Inc.
- VTOL aircraft capable of flying forward and backward28 Apr 2026US 12,612,191 B2United States of America as represented by the Administrator of NASA
- Offset drag reduction device24 Feb 2026US 12,559,267 B1Wing Aviation LLC
- Battery-free unmanned aerial vehicle3 Feb 2026US 12,539,984 B2Board of Regents, The University of Texas System
- Hybrid propulsion helicopter including main coaxial counter-rotating rotors and auxiliary tail rotors17 Sep 2026US 2026/0274462 A1
- Aerial vehicles and related methods3 Sep 2026US 2026/0257814 A1LeVanta Maritime I Inc.
- Breakaway aircraft structures27 Aug 2026US 2026/0249974 A1
- Modular drone with multi-configuration and multi-power systems20 Aug 2026US 2026/0242074 A1
- A hybrid air vehicle6 Aug 2026US 2026/0225740 A1BAE SYSTEMS plc
Most cited
By later US patents
- Unmanned craft126US 4,410,151 AVereinigte Flugtechnische Werke-Fokker GmbH · 1983
- Apparatus and methods for variable sweep body conformal wing with application to projectiles, missiles, and unmanned air vehicles115US 6,923,404 B1ZONA Technology, Inc. · 2005
- Flyer assembly90US 6,392,213 B1The Charles Stark Draper Laboratory, Inc. · 2002
- Method and apparatus for automated launch, retrieval, and servicing of a hovering aircraft70US 8,453,966 B2Aerovel Corporation · 2013
- Pivotal mono wing cruise missile with wing deployment and fastener mechanism63US 4,842,218 AThe United States of America as represented by the Secretary of the Navy · 1989