B64C 39/068
Having multiple wings joined at the tips
Official title: {having multiple wings joined at the tips}
B64C39/068 (Having multiple wings joined at the tips) appears on 112 US grants and 109 published applications in this corpus.
Search patents in B64C- Granted patents
- 112
- Published applications
- 109
- Assignees
- 54
- Inventors
- 149
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 4 | 4 |
| 2007 | 3 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 0 | 1 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 2 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 3 |
| 2017 | 4 | 3 |
| 2018 | 1 | 6 |
| 2019 | 1 | 4 |
| 2020 | 5 | 12 |
| 2021 | 10 | 9 |
| 2022 | 6 | 20 |
| 2023 | 16 | 11 |
| 2024 | 12 | 6 |
| 2025 | 8 | 4 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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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
- Mobius-like joining structure for fluid dynamic foils111US 6,474,604 B12002
- Multi-winged lifting body aircraft87US 4,146,199 APhoenixbird, Inc. · 1979
- Joined wing aircraft87US 4,365,773 A1982