B64U 50/10
Propulsion
Official title: Propulsion (rotors specially adapted for rotorcraft or VTOL B64U30/20)
B64U50/10 (Propulsion) appears on 3,127 US grants and 3,842 published applications in this corpus.
Search patents in B64U- Granted patents
- 3,127
- Published applications
- 3,842
- Assignees
- 1,146
- Inventors
- 5,595
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 10 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 0 |
| 2002 | 8 | 6 |
| 2003 | 13 | 23 |
| 2004 | 9 | 21 |
| 2005 | 24 | 29 |
| 2006 | 23 | 28 |
| 2007 | 19 | 27 |
| 2008 | 10 | 16 |
| 2009 | 12 | 28 |
| 2010 | 22 | 47 |
| 2011 | 17 | 37 |
| 2012 | 41 | 38 |
| 2013 | 27 | 30 |
| 2014 | 20 | 64 |
| 2015 | 60 | 71 |
| 2016 | 71 | 176 |
| 2017 | 153 | 309 |
| 2018 | 221 | 367 |
| 2019 | 252 | 406 |
| 2020 | 325 | 421 |
| 2021 | 298 | 378 |
| 2022 | 300 | 371 |
| 2023 | 359 | 330 |
| 2024 | 349 | 248 |
| 2025 | 284 | 210 |
| 2026 | 148 | 161 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B64U 50/19Using electrically powered motors2,216
- B64U 50/13Using external fans or propellers1,020
- B64U 50/11Using internal combustion piston engines328
- B64U 50/12Using turbine engines200
- B64U 50/15Using combustion exhausts other than turbojets or turbofans108
- B64U 50/18Thrust vectoring86
- B64U 50/16Using means other than air displacement or combustion exhaust11
Recent patents
- Unmanned aerial vehicle (UAV) landing systems6 Oct 2026US 12,756,053 B2United Parcel Service of America, Inc.
- Aerial vehicle with differential control mechanisms29 Sep 2026US 12,747,021 B2Joby Aero, Inc.
- Automated docking of unmanned aerial vehicle29 Sep 2026US 12,747,035 B2Skydio, Inc.
- Unmanned aerial vehicle, control terminal, aircraft rescue method, and aircraft rescue system29 Sep 2026US 12,748,427 B2Sz Dji Technology Co., Ltd.
- System and apparatus for a high-power microwave sensor using an unmanned aerial vehicle22 Sep 2026US 12,741,762 B1BlueHalo, LLC
- Battery thermal management system and method8 Oct 2026US 2026/0307534 A1Joby Aero, Inc.
- High-Efficiency UAV Flight Apparatus Integrating Gurney Flap and Distributed Propulsion System8 Oct 2026US 2026/0307775 A1National Yang Ming.Chiao Tung University
- Articulated ring wing evtol structure with distributed propulsion and advanced dynamic payload stabilization system and integrated energy regeneration and safety systems8 Oct 2026US 2026/0307829 A1Aerial MECHANICA Inc.
- Composite, unmanned aircraft, method of producing composite, and structure1 Oct 2026US 2026/0296684 A1National Institute for Materials Science
- Motor assembly including motor capable of being tilted, and unmanned aerial vehicle having same1 Oct 2026US 2026/0296689 A1Air & H Aerospace Inc.
Most cited
By later US patents
- Sonotube compatible unmanned aerial vehicle and system413US 6,056,237 A2000
- 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
- Unmanned aerial vehicle apparatus, system and method for retrieving data228US 6,868,314 B12005