F05B 2240/9111
Which is a chimney
Official title: which is a chimney
F05B2240/9111 (Which is a chimney) appears on 44 US grants and 31 published applications in this corpus.
Search patents in F05B- Granted patents
- 44
- Published applications
- 31
- Assignees
- 20
- Inventors
- 84
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 1 | 4 |
| 2010 | 0 | 3 |
| 2011 | 3 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 0 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Dual blade assembly propeller25 Feb 2020US 10,569,851 B1
- Electrical generating device5 Jul 2016US 9,382,896 B1
- Wind turbine apparatus5 Apr 2016US 9,303,622 B2Design Licensing International Pty Ltd
- Hybrid solar chimney23 Jul 2026US 2026/0210331 A1SüLeyman Demirel üNiversitesi Idari Ve Mali Isler Daire Baskanligi Genel Sekreterlik
- Wind turbine with rotational axis perpendicular to the wind flow18 Jul 2024US 2024/0240610 A1
- Power Generating Roof Ventilation Device3 Aug 2023US 2023/0243340 A1
- Wind Power Generator2 Jul 2020US 2020/0208603 A1
- Exhaust energy recovery system21 Nov 2019US 2019/0353042 A1Energy Recovery Solutions, LLC
Most cited
By later US patents
- System for the obtaining of energy by fluid flows resembling a natural cyclone or anti-cyclone149US 4,452,046 A1984
- Tornado-type wind turbine86US 4,070,131 AGrumman Aerospace Corporation · 1978
- Power system75US 3,936,652 A1976
- Wind and solar powered turbine60US 4,433,544 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1984
- Vortex-augmented cooling tower-windmill combination60US 4,499,034 AThe United States of America as represented by the United States Department of Energy · 1985