F03G 6/02
Devices for producing mechanical power from solar energy: using a single state
Official title: using a single state working fluid
F03G6/02 (Devices for producing mechanical power from solar energy: using a single state) appears on 196 US grants and 199 published applications in this corpus.
Search patents in F03G- Granted patents
- 196
- Published applications
- 199
- Assignees
- 105
- Inventors
- 387
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 6 |
| 2005 | 0 | 2 |
| 2006 | 1 | 7 |
| 2007 | 2 | 4 |
| 2008 | 3 | 9 |
| 2009 | 3 | 13 |
| 2010 | 10 | 11 |
| 2011 | 5 | 10 |
| 2012 | 2 | 16 |
| 2013 | 9 | 11 |
| 2014 | 6 | 17 |
| 2015 | 11 | 11 |
| 2016 | 8 | 15 |
| 2017 | 16 | 7 |
| 2018 | 12 | 11 |
| 2019 | 11 | 12 |
| 2020 | 8 | 5 |
| 2021 | 9 | 8 |
| 2022 | 7 | 4 |
| 2023 | 6 | 4 |
| 2024 | 3 | 6 |
| 2025 | 5 | 2 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Concentrated solar energy collection, thermal storage, and power generation systems and methods with optional supplemental fuel production25 Aug 2026US 12,716,618 B2247Solar Inc.
- Solar energy directed to a cylinder containing a propeller used to generate electricity21 Oct 2025US 12,448,953 B2
- Venturi device with forced induction systems and methods16 Sep 2025US 12,416,285 B2Zero Nox, Inc.
- Convection-driven power generator26 Aug 2025US 12,398,701 B2
- Concentrated solar energy collection, thermal storage, and power generation systems and methods with optional supplemental fuel production20 May 2025US 12,305,888 B2247Solar Inc.
- Shaft-type power generation device based on vertical temperature difference of mountain body and solar heat collection1 Oct 2026US 2026/0298214 A1
- Venturi device with forced induction systems and methods17 Sep 2026US 2026/0275952 A1Zero Nox, Inc.
- Venturi device with forced induction systems and methods20 Aug 2026US 2026/0243223 A1Zero Nox, Inc.
- Solar Updraft Tower System With Parabolic Trough Solar Collection6 Aug 2026US 2026/0226886 A1
- Hybrid solar chimney23 Jul 2026US 2026/0210331 A1SüLeyman Demirel üNiversitesi Idari Ve Mali Isler Daire Baskanligi Genel Sekreterlik
Most cited
By later US patents
- Solar-gas combined cycle electrical generating system97US 5,444,972 ARockwell International Corporation · 1995
- Power plant system for utilizing the heat energy of geothermal reservoirs94US 7,178,337 B22007
- Solar powered electrical generating system81US 5,775,107 A1998
- Power tower—system and method of using air flow generated by geothermal generated heat to drive turbines generators for the generation of electricity75US 9,574,551 B2GTherm, Inc. · 2017
- Solar power plant and method and/or system of storing energy in a concentrated solar power plant71US 7,954,321 B2Research Foundation of the City University of New York · 2011