F24S 10/20
Solar heat collectors using working fluids: having circuits for two or more
Official title: having circuits for two or more working fluids (with means for exchanging heat between two or more fluids F24S10/30)
F24S10/20 (Solar heat collectors using working fluids: having circuits for two or more) appears on 84 US grants and 51 published applications in this corpus.
Search patents in F24S- Granted patents
- 84
- Published applications
- 51
- Assignees
- 59
- Inventors
- 184
- Latest grant
- 17 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 0 | 7 |
| 2014 | 0 | 5 |
| 2015 | 4 | 3 |
| 2016 | 2 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 4 |
| 2019 | 4 | 4 |
| 2020 | 4 | 1 |
| 2021 | 0 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 1 |
| 2025 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for carbon dioxide storage and geothermal heat mining in depleted gas, gas condensate or oil reservoirs17 Jun 2025US 12,331,618 B2
- Multi-temperature heat collection system15 Apr 2025US 12,276,442 B2Photon Vault, LLC
- Heat-collecting forage drying system with wind-solar complementary energy supply25 Feb 2025US 12,235,044 B1Guangdong Ocean University
- Thermal energy storage and method for constructing such a thermal energy storage21 May 2024US 11,988,455 B2Hydroc Energy Storage AB
- System for energy storage and electrical power generation20 Dec 2022US 11,532,949 B2Augwind Ltd.
- Absorber unit, mirror unit and solar collector or solar installation22 May 2025US 2025/0164152 A1
- An air flow wall unit and a building comprising an air flow system6 Feb 2025US 2025/0043977 A1Energy Flow Wall Aps
- Solar water heating system utilizing a flat-shaped heat pipe18 Jul 2024US 2024/0240832 A1Kambix Innovations, LLC
- System and method for carbon dioxide storage and geothermal heat mining in depleted gas, gas condensate or oil reservoirs9 Nov 2023US 2023/0358120 A1Low Carbon Energies, LLC
- Thermal Energy Storage And Method For Constructing Such A Thermal Energy Storage31 Aug 2023US 2023/0272982 A1Hydroc Energy Storage AB
Most cited
By later US patents
- Solar device and method for assembly98US 5,596,981 A1997
- Solar energy collector system and method93US 4,172,442 ABio Gas Systems, Inc. · 1979
- Thermal gradient humidification-dehumidification desalination system87US 4,363,703 AInstitute of Gas Technology · 1982
- Multi-purpose solar collector/heat exchanger69US 4,068,652 A1978
- All glass composite building panels62US 3,981,294 AThe Boeing Company · 1976