F03G 6/111
Heat transfer fluids
Official title: {Heat transfer fluids}
F03G6/111 (Heat transfer fluids) appears on 86 US grants and 123 published applications in this corpus.
Search patents in F03G- Granted patents
- 86
- Published applications
- 123
- Assignees
- 82
- Inventors
- 264
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 9 |
| 2011 | 1 | 10 |
| 2012 | 3 | 12 |
| 2013 | 8 | 20 |
| 2014 | 4 | 14 |
| 2015 | 8 | 9 |
| 2016 | 7 | 9 |
| 2017 | 7 | 6 |
| 2018 | 5 | 3 |
| 2019 | 5 | 4 |
| 2020 | 1 | 5 |
| 2021 | 10 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Combined power generation using geothermal and solar energy12 May 2026US 12,624,682 B2Nant Holdings IP, LLC
- Molten eutectic salts thermal energy storage (MESTES) system10 Feb 2026US 12,544,685 B2
- Solar power generation system2 Dec 2025US 12,486,832 B2Holtec International
- Hybrid power generation system30 Sep 2025US 12,429,036 B2Holtec International
- Power plant system5 Mar 2024US 11,923,100 B2Terrestrial Energy USA, Inc.
- Combined Power Generation using Geothermal and Solar Energy3 Sep 2026US 2026/0258792 A1Nant Holdings IP, LLC
- Home grid for improved efficiency of solar energy13 Aug 2026US 2026/0238009 A1
- Solar power generation system26 Mar 2026US 2026/0085665 A1Holtec International
- Solar energy system with thermal energy storage8 Jan 2026US 2026/0009376 A1Holtec International
- Combined Power Generation using Geothermal and Solar Energy24 Jul 2025US 2025/0237199 A1Nant Holdings IP, LLC
Most cited
By later US patents
- Thermodynamic apparatus123US 6,629,413 B1The Commonwealth of Australia Commonwealth Scientific and Industrial Research Organization · 2003
- Molten salt receiver cooling system100US 6,701,711 B1The Boeing Company · 2004
- Solar-gas combined cycle electrical generating system97US 5,444,972 ARockwell International Corporation · 1995
- Hybrid solar central receiver for combined cycle power plant73US 5,417,052 AMidwest Research Institute · 1995
- 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