B64C 39/06
Aircraft not otherwise provided for: having disc- or ring-shaped wings
Official title: having disc- or ring-shaped wings
B64C39/06 (Aircraft not otherwise provided for: having disc- or ring-shaped wings) appears on 338 US grants and 314 published applications in this corpus.
Search patents in B64C- Granted patents
- 338
- Published applications
- 314
- Assignees
- 134
- Inventors
- 508
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 10 |
| 2003 | 11 | 6 |
| 2004 | 7 | 7 |
| 2005 | 3 | 6 |
| 2006 | 6 | 6 |
| 2007 | 5 | 7 |
| 2008 | 1 | 5 |
| 2009 | 3 | 6 |
| 2010 | 2 | 15 |
| 2011 | 4 | 8 |
| 2012 | 8 | 10 |
| 2013 | 7 | 7 |
| 2014 | 5 | 4 |
| 2015 | 4 | 5 |
| 2016 | 5 | 8 |
| 2017 | 10 | 13 |
| 2018 | 4 | 23 |
| 2019 | 16 | 14 |
| 2020 | 20 | 34 |
| 2021 | 25 | 24 |
| 2022 | 18 | 33 |
| 2023 | 34 | 23 |
| 2024 | 19 | 18 |
| 2025 | 27 | 11 |
| 2026 | 14 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Folding wing aircraft8 Sep 2026US 12,728,981 B1
- Distributed propulsion system for vertical take off and landing closed wing aircraft8 Sep 2026US 12,728,983 B2Textron Innovations Inc.
- Distributed propulsion system for vertical take off and landing closed wing aircraft23 Jun 2026US 12,662,237 B2Textron Innovations Inc.
- Aircraft structure16 Jun 2026US 12,654,853 B2Amsl Innovations Pty Ltd
- Airborne vehicle with multi-airfoil tail2 Jun 2026US 12,643,655 B2REGENT Craft Inc.
- Aerolift systems and methods using air ducts and lifting bodies16 Jul 2026US 2026/0200575 A1Bansi Aviation, LLC
- Compound helicopter with lateral booms9 Jul 2026US 2026/0192914 A1Airbus Helicopters Deutschland GmbH
- Configuration for vertical take-off and landing system for aerial vehicles18 Jun 2026US 2026/0167330 A1Jetoptera, Inc.
- Vertical take of and landing aircraft with fluidic propulsion system11 Jun 2026US 2026/0159220 A1Jetoptera, Inc.
- Closed polygonal wing member and uses thereof11 Jun 2026US 2026/0159237 A1Sia “Fixar-Aero”
Most cited
By later US patents
- Aerodynamically efficient lightweight vertical take-off and landing aircraft with pivoting rotors and stowing rotor blades170US 9,694,911 B2Joby Aviation, Inc. · 2017
- Vertical take-off and landing (VTOL) aircraft with distributed thrust and control123US 7,159,817 B22007
- Aerodynamic lift apparatus120US 6,073,881 A2000
- Mobius-like joining structure for fluid dynamic foils111US 6,474,604 B12002
- Unmanned vertical take-off and landing, horizontal cruise, air vehicle99US 5,295,643 AHughes Missile Systems Company · 1994