F03D 9/45
Building formations
F03D9/45 (Building formations) appears on 42 US grants and 62 published applications in this corpus.
Search patents in F03D- Granted patents
- 42
- Published applications
- 62
- Assignees
- 25
- Inventors
- 99
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 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 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 2 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 0 | 3 |
| 2015 | 2 | 5 |
| 2016 | 1 | 2 |
| 2017 | 2 | 7 |
| 2018 | 3 | 5 |
| 2019 | 4 | 5 |
| 2020 | 3 | 4 |
| 2021 | 3 | 4 |
| 2022 | 3 | 4 |
| 2023 | 4 | 5 |
| 2024 | 4 | 0 |
| 2025 | 1 | 5 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wind power generation structure and method for vertiport28 Apr 2026US 12,612,896 B2Hyundai Motor Company
- System and method for providing home energy13 May 2025US 12,297,815 B2
- Systems and methods for harnessing energy from wind20 Aug 2024US 12,066,006 B2Introfoc Ltd
- Energy conversion system for converting wind energy into electrical energy7 May 2024US 11,976,624 B2
- Fluid turbine support system for an angled roof19 Mar 2024US 11,933,267 B2Flower Turbines, Inc.
- Power plant with vertical axis wind turbines13 Aug 2026US 2026/0235103 A1Energypier AG
- Solar Vortex Clamshell Greenhouse12 Mar 2026US 2026/0071608 A1
- Architectural Optimization of Wall-to-Roof Interface to Enhance Wind Turbine Efficiency19 Feb 2026US 2026/0049591 A1
- Rooftop wind turbine flow improvements16 Oct 2025US 2025/0320725 A1Flower Turbines, Inc.
- Wind Power Generation Structure and Method for Vertiport2 Oct 2025US 2025/0305482 A1Hyundai Motor Company
Most cited
By later US patents
- Solar and wind energy generating system for a high rise building65US 5,394,016 A1995
- System and building for generating electricity using wind power46US 6,765,309 B22004
- Solar heat supplemented convection air stack with turbine blades43US 4,122,675 A1978
- Wind and solar power plant with variable high speed rotor trains25US 7,172,386 B22007
- Parabolic bi-directional wind turbine assembly and omni-directional power array17US 7,728,455 B22010