B64U 30/21
Rotary wings
B64U30/21 (Rotary wings) appears on 91 US grants and 131 published applications in this corpus.
Search patents in B64U- Granted patents
- 91
- Published applications
- 131
- Assignees
- 76
- Inventors
- 278
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 3 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 5 |
| 2015 | 4 | 0 |
| 2016 | 2 | 5 |
| 2017 | 5 | 13 |
| 2018 | 3 | 23 |
| 2019 | 8 | 13 |
| 2020 | 14 | 9 |
| 2021 | 5 | 12 |
| 2022 | 6 | 6 |
| 2023 | 9 | 13 |
| 2024 | 10 | 10 |
| 2025 | 7 | 2 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blade pitch detection for an aerial vehicle26 May 2026US 12,637,209 B2Unmanned Aerospace LLC
- Movement prediction apparatus5 May 2026US 12,617,559 B2Mitsubishi Heavy Industries, Ltd.
- Mobile engine-generator vehicle28 Apr 2026US 12,612,198 B2LiquidPiston, Inc.
- Unmanned aerial vehicle28 Apr 2026US 12,612,776 B2ACSL Ltd.
- Synchronized pipeline flight controller21 Apr 2026US 12,606,303 B2Skydio, Inc.
- Mobile Engine-Generator Vehicle17 Sep 2026US 2026/0274467 A1LiquidPiston, Inc.
- Arm fixation module and unmanned aerial vehicle10 Sep 2026US 2026/0264897 A1Wistron Corporation
- A hybrid air vehicle6 Aug 2026US 2026/0225740 A1BAE SYSTEMS plc
- Foldable rotary wing aircraft9 Jul 2026US 2026/0192911 A1Lockheed Martin Corporation
- Blade pitch detection for an aerial vehicle7 May 2026US 2026/0125153 A1Unmanned Aerospace LLC
Most cited
By later US patents
- Counter-unmanned aerial vehicle system and method134US 9,085,362 B1Lockheed Martin Corporation · 2015
- Systems and methods for vertical takeoff and/or landing95US 9,085,354 B1Google Inc. · 2015
- Human interaction with unmanned aerial vehicles95US 9,459,620 B1Amazon Technologies, Inc. · 2016
- Landing and take-off assembly for vertical take-off and landing and horizontal flight aircraft94US 5,799,900 AAdvanced Aerospace Technologies, Inc. · 1998
- Rotary wing aircraft having a non-rotating structural backbone and a rotor blade pitch controller73US 7,789,341 B22010