B64U 50/14
Ducted or shrouded
Official title: ducted or shrouded
B64U50/14 (Ducted or shrouded) appears on 390 US grants and 433 published applications in this corpus.
Search patents in B64U- Granted patents
- 390
- Published applications
- 433
- Assignees
- 228
- Inventors
- 835
- Latest grant
- 8 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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 5 |
| 2003 | 7 | 5 |
| 2004 | 2 | 3 |
| 2005 | 4 | 6 |
| 2006 | 3 | 10 |
| 2007 | 3 | 5 |
| 2008 | 1 | 2 |
| 2009 | 4 | 6 |
| 2010 | 7 | 12 |
| 2011 | 4 | 5 |
| 2012 | 11 | 8 |
| 2013 | 5 | 4 |
| 2014 | 3 | 5 |
| 2015 | 6 | 11 |
| 2016 | 6 | 21 |
| 2017 | 26 | 37 |
| 2018 | 26 | 48 |
| 2019 | 38 | 36 |
| 2020 | 27 | 53 |
| 2021 | 35 | 39 |
| 2022 | 35 | 41 |
| 2023 | 44 | 25 |
| 2024 | 34 | 20 |
| 2025 | 24 | 12 |
| 2026 | 11 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multicopter with self-adjusting rotors8 Sep 2026US 12,730,452 B2Kitty Hawk Corporation
- Rotor craft noise cancellation system and method18 Aug 2026US 12,711,937 B2
- Configuration for vertical take-off and landing system for aerial vehicles4 Aug 2026US 12,698,080 B2Jetoptera, Inc.
- Payload (variants) and air transport system (variants) comprising same5 May 2026US 12,617,563 B2
- Unmanned aerial vehicle28 Apr 2026US 12,612,776 B2ACSL Ltd.
- Morphing drone through shape change for multimodal vehicles24 Sep 2026US 2026/0285509 A1
- Aerial vehicles and related methods3 Sep 2026US 2026/0257814 A1LeVanta Maritime I Inc.
- Industrial aerial robot systems and methods20 Aug 2026US 2026/0242078 A1
- Industrial aerial robot systems and methods20 Aug 2026US 2026/0242079 A1
- Ducted fan air vehicle13 Aug 2026US 2026/0233828 A1Venture Kel Inc.
Most cited
By later US patents
- Unmanned aerial vehicle with counter-rotating ducted rotors and shrouded pusher-prop244US 6,270,038 B1Sikorsky Aircraft Corporation · 2001
- Airborne manipulator system226US 8,251,307 B2Honeywell International Inc. · 2012
- Horizontal and vertical take off and landing unmanned aerial vehicle222US 5,890,441 A1999
- Robotic or remotely controlled flying platform129US 4,795,111 AMoller International, Inc. · 1989
- Flying-wing aircraft127US 8,602,348 B22013