B64C 31/04
Man-powered aircraft
B64C31/04 (Man-powered aircraft) appears on 14 US grants and 8 published applications in this corpus.
Search patents in B64C- Granted patents
- 14
- Published applications
- 8
- Assignees
- 3
- Inventors
- 15
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 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 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Human-powered aircraft8 Sep 2026US 12,728,991 B2Costruzioni E Servizi S.R.L.S.
- Flight system21 Feb 2023US 11,584,523 B2
- Methods and systems for optimizing battery recharge management for use with an electric vertical take-off and landing aircraft11 Oct 2022US 11,465,529 B1Beta Air, LLC
- Inflatable airfoils, and elevated and propulsion driven vehicles9 Dec 2003US 6,659,403 B2
- Inflatable airfoils, and elevated and propulsion driven vehicles21 Jan 2003US 6,508,436 B2
- Human-powered aircraft5 Mar 2026US 2026/0062122 A1Costruzioni E Servizi S.R.L.S.
- Mechanism for propelling human-powered vehicles by means of levers that pivot on a horizontal axis and/or two parallel and symmetrical vertical axes9 Jan 2025US 2025/0010940 A1
- Flight System18 Nov 2021US 2021/0354817 A1
- Tambourine helicopter17 Sep 2009US 2009/0230235 A1
- Fluid mechanics of inertia, or acceleration mechanics, or simplified calculus21 Dec 2006US 2006/0283258 A1
Most cited
By later US patents
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- Water-mist blower cooling system and its new applications215US 6,293,121 B12001
- Water-wave energy converter systems40US 5,507,943 A1996
- Rein-deer kite and its control systems30US 5,435,259 A1995
- Rein-deer kite25US 5,056,447 A1991