B64B 1/34
Of lifting propellers
Official title: of lifting propellers
B64B1/34 (Of lifting propellers) appears on 45 US grants and 53 published applications in this corpus.
Search patents in B64B- Granted patents
- 45
- Published applications
- 53
- Assignees
- 26
- Inventors
- 80
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 3 |
| 2013 | 3 | 1 |
| 2014 | 1 | 4 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 5 | 2 |
| 2018 | 1 | 8 |
| 2019 | 0 | 3 |
| 2020 | 1 | 2 |
| 2021 | 4 | 3 |
| 2022 | 4 | 2 |
| 2023 | 4 | 2 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Airship equipped with an electric distributed propulsion system25 Mar 2025US 12,258,136 B2Flying Whales
- High-altitude wind turbine aircraft system and method of use19 Nov 2024US 12,145,712 B2
- Helium powered space transport22 Oct 2024US 12,122,537 B2
- Unmanned ellipsoid multi-rotor airship and respective method of construction4 Jun 2024US 11,999,460 B2Elio Tecnologia Servicos E Particip
- Flying robot with Coanda effect fan and internal rear projector12 Sep 2023US 11,753,133 B2X-Control System Co., Ltd.
- Unmanned ellipsoid multi-rotor airship and respective method of construction15 Jan 2026US 2026/0015075 A1Elio Tecnologia, ServiçOs E ParticipaçOes Ltda.
- Airship equipped with an electric distributed propulsion system15 Feb 2024US 2024/0051672 A1Flying Whales
- High-Altitude Wind Turbine Aircraft System and Method of Use16 Nov 2023US 2023/0365244 A1
- Solar Powered Airships11 May 2023US 2023/0147045 A1
- Solar Powered Airships10 Nov 2022US 2022/0355941 A1
Most cited
By later US patents