B64C 29/0016
The lift during taking-off being created by free or ducted propellers or
Official title: {the lift during taking-off being created by free or ducted propellers or by blowers}
B64C29/0016 (The lift during taking-off being created by free or ducted propellers or) appears on 2,397 US grants and 2,717 published applications in this corpus.
Search patents in B64C- Granted patents
- 2,397
- Published applications
- 2,717
- Assignees
- 483
- Inventors
- 2,759
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 7 | 0 |
| 2000 | 5 | 0 |
| 2001 | 14 | 1 |
| 2002 | 12 | 13 |
| 2003 | 18 | 17 |
| 2004 | 13 | 18 |
| 2005 | 15 | 18 |
| 2006 | 10 | 26 |
| 2007 | 12 | 17 |
| 2008 | 6 | 13 |
| 2009 | 16 | 33 |
| 2010 | 14 | 34 |
| 2011 | 21 | 31 |
| 2012 | 26 | 27 |
| 2013 | 28 | 30 |
| 2014 | 22 | 34 |
| 2015 | 30 | 43 |
| 2016 | 27 | 67 |
| 2017 | 57 | 112 |
| 2018 | 90 | 195 |
| 2019 | 155 | 237 |
| 2020 | 214 | 259 |
| 2021 | 217 | 294 |
| 2022 | 218 | 295 |
| 2023 | 324 | 293 |
| 2024 | 310 | 260 |
| 2025 | 268 | 183 |
| 2026 | 157 | 167 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vertical takeoff and landing aeronautical apparatus with a folding wing6 Oct 2026US 12,752,915 B1Aerhart, LLC
- Hybrid tilt propeller/tilt wing aircraft29 Sep 2026US 12,747,020 B2Arizona Board of Regents on Behalf of the University of Arizona
- Aerial vehicle with differential control mechanisms29 Sep 2026US 12,747,021 B2Joby Aero, Inc.
- Propulsion system thermal management with propulsor fluid flow and ram fluid flow29 Sep 2026US 12,747,027 B2Vertical Aerospace Group Limited
- Cable routing through rotatable-wing aircraft spars29 Sep 2026US 12,747,033 B2Toyota Jidosha Kabushiki Kaisha
- Slotted Wing Flaps for a VTOL Aircraft8 Oct 2026US 2026/0307776 A1Archer Aviation Inc.
- V/stol aircraft8 Oct 2026US 2026/0307788 A1XTI Aircraft Company
- Systems and methods for rotor assemblies and manufacturing thereof1 Oct 2026US 2026/0296634 A1Archer Aviation Inc.
- System, assemblies and methods for mechanical-thrust power conversion multifans1 Oct 2026US 2026/0296640 A1N.M.B. Medical Applications Ltd
- Flying object1 Oct 2026US 2026/0296641 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Lightweight vertical take-off and landing aircraft and flight control paradigm using thrust differentials266US 8,733,690 B2Joby Aviation, Inc. · 2014
- Hybrid aircraft245US 5,823,468 A1998
- Horizontal and vertical take off and landing unmanned aerial vehicle222US 5,890,441 A1999
- Personal hoverplane with four tiltmotors216US 6,655,631 B22003
- Vertical takeoff and landing aircraft202US 6,892,980 B2Mitsubishi Heavy Industries, Ltd. · 2005