B64U 60/00
Undercarriages
B64U60/00 (Undercarriages) appears on 791 US grants and 979 published applications in this corpus.
Search patents in B64U- Granted patents
- 791
- Published applications
- 979
- Assignees
- 376
- Inventors
- 1,563
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 3 |
| 2003 | 5 | 1 |
| 2004 | 2 | 6 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 2 | 8 |
| 2008 | 1 | 8 |
| 2009 | 1 | 2 |
| 2010 | 4 | 11 |
| 2011 | 5 | 2 |
| 2012 | 9 | 4 |
| 2013 | 4 | 6 |
| 2014 | 4 | 20 |
| 2015 | 19 | 13 |
| 2016 | 21 | 42 |
| 2017 | 29 | 68 |
| 2018 | 45 | 92 |
| 2019 | 68 | 93 |
| 2020 | 70 | 116 |
| 2021 | 72 | 121 |
| 2022 | 93 | 116 |
| 2023 | 106 | 78 |
| 2024 | 93 | 58 |
| 2025 | 84 | 61 |
| 2026 | 41 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B64U 60/50Undercarriages: with landing legs544
- B64U 60/40Foldable or retractable129
- B64U 60/10Undercarriages: specially adapted for use on water56
- B64U 60/30Detachable from the body38
- B64U 60/60Undercarriages: with rolling cages38
- B64U 60/70Movable wings, rotor supports or shrouds acting as ground-engaging elements35
- B64U 60/20Undercarriages: specially adapted for uneven terrain30
Recent patents
- Drone29 Sep 2026US 12,747,042 B2
- Unmanned aerial vehicles (UAVs) and carrier platforms therefor29 Sep 2026US 12,747,044 B2Elbit Systems C4I and Cyber Ltd.
- Drone buoyancy device15 Sep 2026US 12,735,175 B1Metal Industries Research & Development Centre
- Distributed propulsion system for vertical take off and landing closed wing aircraft8 Sep 2026US 12,728,983 B2Textron Innovations Inc.
- Systems and methods for aircraft propulsion1 Sep 2026US 12,722,791 B2Limo Air Drive Corp.
- Transportation drone1 Oct 2026US 2026/0296691 A1
- Coordinated Retractable Landing and Structural System for Aerial Vehicles24 Sep 2026US 2026/0285477 A1
- Image Stabilization For Autonomous Aerial Vehicles17 Sep 2026US 2026/0274458 A1Skydio, Inc.
- Unmanned aerial vehicle system with integrated fire suppression and window-breaking projectile mechanism10 Sep 2026US 2026/0264896 A1Eagle Eye Robotics
- Aerial vehicles with protective members for absorbing shock load during wire strike27 Aug 2026US 2026/0250021 A1University of Kansas
Most cited
By later US patents
- Multi-use UAV docking station systems and methods430US 9,387,928 B1Amazon Technologies, Inc. · 2016
- Systems and methods for UAV battery exchange269US 9,139,310 B1Sz Dji Technology Co., Ltd. · 2015
- Modular drone and methods for use237US 8,989,922 B2Azure Sky Group LLC · 2015
- Systems and methods for UAV battery exchange221US 9,346,560 B2Sz Dji Technology Co., Ltd. · 2016
- Systems and methods for implementing a payload distribution system139US 9,205,922 B1The Boeing Company · 2015