B64C 27/24
With rotor blades fixed in flight to act as lifting surfaces
Official title: with rotor blades fixed in flight to act as lifting surfaces
B64C27/24 (With rotor blades fixed in flight to act as lifting surfaces) appears on 94 US grants and 90 published applications in this corpus.
Search patents in B64C- Granted patents
- 94
- Published applications
- 90
- Assignees
- 47
- Inventors
- 159
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 3 | 2 |
| 2009 | 4 | 4 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 3 |
| 2017 | 3 | 4 |
| 2018 | 7 | 8 |
| 2019 | 6 | 6 |
| 2020 | 5 | 9 |
| 2021 | 6 | 3 |
| 2022 | 4 | 7 |
| 2023 | 7 | 6 |
| 2024 | 7 | 5 |
| 2025 | 1 | 8 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Vertical take-off and landing (VTOL) aircraft noise signature mitigation19 May 2026US 12,632,803 B2Joby Aero, Inc.
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- Control of Vertical Take Off and Landing Aircraft28 May 2026US 2026/0145778 A1
- High-speed vertical take-off and landing aircraft21 May 2026US 2026/0138739 A1Oklahoma State University
- Hybrid air vehicle16 Apr 2026US 2026/0103280 A1Tusas- Turk Havacilik Ve Uzay Sanayii Anonim Sirketi
Most cited
By later US patents
- Enhanced flight control systems and methods for a jet powered tri-mode aircraft92US 6,885,917 B2The Boeing Company · 2005
- Gyro stabilized triple mode aircraft79US 6,086,016 A2000
- Canard rotor/wing75US 5,454,530 AMcDonnell Douglas Helicopter Company · 1995
- Aircraft with retractable rotor wing50US 3,986,686 ATeledyne Ryan Aeronautical, Division of Teledyne Industries, Inc. · 1976
- Gas-powered tip-jet-driven compound VTOL aircraft48US 7,275,711 B12007