F24S 90/10
Solar heat systems not otherwise provided for: using thermosiphonic circulation
Official title: using thermosiphonic circulation
F24S90/10 (Solar heat systems not otherwise provided for: using thermosiphonic circulation) appears on 108 US grants and 70 published applications in this corpus.
Search patents in F24S- Granted patents
- 108
- Published applications
- 70
- Assignees
- 47
- Inventors
- 164
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 4 |
| 2008 | 1 | 3 |
| 2009 | 0 | 4 |
| 2010 | 1 | 8 |
| 2011 | 1 | 4 |
| 2012 | 2 | 11 |
| 2013 | 2 | 3 |
| 2014 | 3 | 5 |
| 2015 | 3 | 6 |
| 2016 | 6 | 6 |
| 2017 | 5 | 1 |
| 2018 | 6 | 4 |
| 2019 | 2 | 1 |
| 2020 | 3 | 3 |
| 2021 | 0 | 0 |
| 2022 | 3 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for heating water with solar energy22 Sep 2026US 12,742,571 B2Axion Co. Ltd.
- Heat transfer system utilizing dynamic fluid leveling20 Dec 2022US 11,530,529 B2
- Complex energy generation device using sunlight and solar heat29 Nov 2022US 11,515,836 B2KUKDONG ENERGY Corp
- Hybrid thermosiphon system9 Aug 2022US 11,408,645 B2Alaska Native Tribal Health Consortium
- Method and device for improving power generation efficiency of a solar cell17 Nov 2020US 10,840,401 B2
- Solar thermal collector8 Aug 2024US 2024/0263841 A1Solar Polar Limited
- A system and method for heating water with solar energy30 Nov 2023US 2023/0383996 A1Axion Co. Ltd.
- Complex energy generation device using sunlight and solar heat7 Jul 2022US 2022/0216827 A1KUKDONG ENERGY Corp
- Heat transfer system utilizing dynamic fluid leveling30 Jul 2020US 2020/0240654 A1
- Hybrid thermosiphon system27 Feb 2020US 2020/0064028 A1Alaska Native Tribal Health Consortium
Most cited
By later US patents
- Evacuated two-phase head-transfer systems82US 5,333,677 A1994
- Water heater and storage tank67US 6,119,682 A2000
- Compound solar water heating and dehumidifying device37US 5,894,836 AIndustrial Technology Research Institute · 1999
- Convection energy generator35US 6,201,313 B12001
- Convection energy generator32US 6,225,705 B12001