B64U 50/13
Using external fans or propellers
Official title: using external fans or propellers
B64U50/13 (Using external fans or propellers) appears on 1,020 US grants and 1,221 published applications in this corpus.
Search patents in B64U- Granted patents
- 1,020
- Published applications
- 1,221
- Assignees
- 502
- Inventors
- 2,026
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 5 |
| 2003 | 9 | 12 |
| 2004 | 2 | 10 |
| 2005 | 13 | 16 |
| 2006 | 11 | 20 |
| 2007 | 10 | 13 |
| 2008 | 8 | 8 |
| 2009 | 9 | 14 |
| 2010 | 15 | 26 |
| 2011 | 8 | 13 |
| 2012 | 20 | 17 |
| 2013 | 12 | 10 |
| 2014 | 5 | 22 |
| 2015 | 23 | 34 |
| 2016 | 19 | 61 |
| 2017 | 61 | 89 |
| 2018 | 60 | 117 |
| 2019 | 65 | 109 |
| 2020 | 87 | 123 |
| 2021 | 98 | 119 |
| 2022 | 98 | 132 |
| 2023 | 120 | 86 |
| 2024 | 100 | 70 |
| 2025 | 82 | 55 |
| 2026 | 39 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Unmanned aerial vehicle, control terminal, aircraft rescue method, and aircraft rescue system29 Sep 2026US 12,748,427 B2Sz Dji Technology Co., Ltd.
- System for detachably coupling an unmanned aerial vehicle within a launch tube15 Sep 2026US 12,735,204 B2AeroVironment, Inc.
- Multicopter with self-adjusting rotors8 Sep 2026US 12,730,452 B2Kitty Hawk Corporation
- Methods and systems for retaining lateral control of an unmanned aerial vehicle during landing with leveled inboard propellers1 Sep 2026US 12,722,774 B2AeroVironment, Inc.
- Bladeless eVTOL passenger aircraft with fixed-wing forward flight travel, and method and power plant therefor18 Aug 2026US 12,709,416 B2
- High-Efficiency UAV Flight Apparatus Integrating Gurney Flap and Distributed Propulsion System8 Oct 2026US 2026/0307775 A1National Yang Ming.Chiao Tung University
- Motor assembly including motor capable of being tilted, and unmanned aerial vehicle having same1 Oct 2026US 2026/0296689 A1Air & H Aerospace Inc.
- Morphing drone through shape change for multimodal vehicles24 Sep 2026US 2026/0285509 A1
- Aerial vehicle with deployable components17 Sep 2026US 2026/0274396 A1Anduril Industries, Inc.
- Aerial vehicles and related methods3 Sep 2026US 2026/0257814 A1LeVanta Maritime I Inc.
Most cited
By later US patents
- Power line sentry charging317US 7,398,946 B1The United States of America as represented by the Secretary of the Air Force · 2008
- Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop244US 6,270,038 B1Sikorsky Aircraft Corporation · 2001
- Power line sentry charging238US 7,318,564 B1The United States of America as represented by the Secretary of the Air Force · 2008
- Airborne manipulator system226US 8,251,307 B2Honeywell International Inc. · 2012
- Horizontal and vertical take off and landing unmanned aerial vehicle222US 5,890,441 A1999