F05B 2240/922
Kept aloft due to buoyancy effects
Official title: kept aloft due to buoyancy effects
F05B2240/922 (Kept aloft due to buoyancy effects) appears on 85 US grants and 110 published applications in this corpus.
Search patents in F05B- Granted patents
- 85
- Published applications
- 110
- Assignees
- 32
- Inventors
- 148
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 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 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 6 |
| 2007 | 2 | 3 |
| 2008 | 2 | 7 |
| 2009 | 2 | 3 |
| 2010 | 9 | 18 |
| 2011 | 3 | 9 |
| 2012 | 6 | 8 |
| 2013 | 3 | 8 |
| 2014 | 7 | 4 |
| 2015 | 4 | 8 |
| 2016 | 4 | 3 |
| 2017 | 4 | 4 |
| 2018 | 2 | 5 |
| 2019 | 4 | 3 |
| 2020 | 2 | 3 |
| 2021 | 1 | 1 |
| 2022 | 0 | 5 |
| 2023 | 2 | 4 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Scavenger energy converter system its new applications and its control systems239US 6,327,994 B12001
- Water-mist blower cooling system and its new applications215US 6,293,121 B12001
- Airship power turbine128US 4,166,596 A1979
- Airship-floated wind turbine88US 4,491,739 A1985
- Multiple wind turbine tethered airfoil wind energy conversion system86US 4,285,481 A1981