F03G 6/00
Devices for producing mechanical power from solar energy
Official title: Devices for producing mechanical power from solar energy (solar boilers F24)
F03G6/00 (Devices for producing mechanical power from solar energy) appears on 1,136 US grants and 1,152 published applications in this corpus.
Search patents in F03G- Granted patents
- 1,136
- Published applications
- 1,152
- Assignees
- 534
- Inventors
- 2,048
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 23 | 0 |
| 1978 | 34 | 0 |
| 1979 | 21 | 0 |
| 1980 | 26 | 0 |
| 1981 | 25 | 0 |
| 1982 | 23 | 0 |
| 1983 | 28 | 0 |
| 1984 | 17 | 0 |
| 1985 | 15 | 0 |
| 1986 | 11 | 0 |
| 1987 | 9 | 0 |
| 1988 | 16 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 6 | 0 |
| 1995 | 10 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 13 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 4 |
| 2002 | 11 | 13 |
| 2003 | 9 | 10 |
| 2004 | 14 | 23 |
| 2005 | 10 | 21 |
| 2006 | 11 | 30 |
| 2007 | 13 | 26 |
| 2008 | 11 | 42 |
| 2009 | 9 | 56 |
| 2010 | 24 | 55 |
| 2011 | 23 | 62 |
| 2012 | 28 | 79 |
| 2013 | 40 | 101 |
| 2014 | 46 | 113 |
| 2015 | 53 | 91 |
| 2016 | 63 | 61 |
| 2017 | 80 | 49 |
| 2018 | 52 | 43 |
| 2019 | 45 | 46 |
| 2020 | 30 | 30 |
| 2021 | 46 | 38 |
| 2022 | 28 | 32 |
| 2023 | 35 | 34 |
| 2024 | 36 | 31 |
| 2025 | 33 | 29 |
| 2026 | 27 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F03G 6/06Devices for producing mechanical power from solar energy: with solar energy concentrating673
- F03G 6/071Devices for producing mechanical power from solar energy: with energy storage devices413
- F03G 6/003Devices for producing mechanical power from solar energy: having a rankine cycle230
- F03G 6/02Devices for producing mechanical power from solar energy: using a single state196
- F03G 6/121Controlling or monitoring165
- F03G 6/098Components, parts or details114
- F03G 6/001Devices for producing mechanical power from solar energy: having photovoltaic cells109
- F03G 6/0055Devices for producing mechanical power from solar energy: having other power cycles32
All 13 subgroupsShow fewer
- F03G 6/002Devices for producing mechanical power from solar energy: with expansion and contraction31
- F03G 6/092Devices for producing mechanical power from solar energy: using heat pumps12
- F03G 6/089Devices for producing mechanical power from solar energy: for pumping7
- F03G 6/083Devices for producing mechanical power from solar energy: with solar ponds3
- F03G 6/129Safety arrangements0
Recent patents
- Thermal energy storage system coupled with a solid oxide electrolysis system6 Oct 2026US 12,753,710 B2Rondo Energy, Inc.
- Thermal energy storage system coupled with thermal power cycle systems8 Sep 2026US 12,729,632 B1Rondo Energy, Inc.
- Thermal energy storage systems for use in material processing1 Sep 2026US 12,723,524 B2Rondo Energy, Inc.
- Concentrated solar energy collection, thermal storage, and power generation systems and methods with optional supplemental fuel production25 Aug 2026US 12,716,618 B2247Solar Inc.
- Methods for material activation with thermal energy storage system18 Aug 2026US 12,709,998 B2Rondo Energy, 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.
- Energy recovery system and related method of recovering energy10 Sep 2026US 2026/0266267 A1Siemens Energy Global GmbH & Co. KG
- System for supplying electricty, heat, and water using a stirling engine powered by sustainable energy sources10 Sep 2026US 2026/0266488 A1
- Combined Power Generation using Geothermal and Solar Energy3 Sep 2026US 2026/0258792 A1Nant Holdings IP, LLC
Most cited
By later US patents
- Hemispheric moving focus power plant apparatus and method190US 5,961,739 A1999
- Natural energy conversion, storage and electricity generation system162US 4,206,608 A1980
- Thermodynamic power conversion cycle and methods of use131US 7,900,450 B2Echogen Power Systems, LLC · 2011
- Heat transfer and storage system124US 4,727,930 AThe Board of Regents of the University of Washington · 1988
- Thermodynamic apparatus123US 6,629,413 B1The Commonwealth of Australia Commonwealth Scientific and Industrial Research Organization · 2003