F24S 10/90
Solar heat collectors using working fluids: using internal thermosiphonic circulation
Official title: using internal thermosiphonic circulation
F24S10/90 (Solar heat collectors using working fluids: using internal thermosiphonic circulation) appears on 253 US grants and 201 published applications in this corpus.
Search patents in F24S- Granted patents
- 253
- Published applications
- 201
- Assignees
- 149
- Inventors
- 488
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 7 | 0 |
| 1978 | 12 | 0 |
| 1979 | 13 | 0 |
| 1980 | 7 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 9 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 5 | 4 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 5 |
| 2008 | 2 | 9 |
| 2009 | 0 | 7 |
| 2010 | 2 | 13 |
| 2011 | 3 | 18 |
| 2012 | 6 | 23 |
| 2013 | 6 | 18 |
| 2014 | 5 | 8 |
| 2015 | 7 | 12 |
| 2016 | 10 | 5 |
| 2017 | 7 | 7 |
| 2018 | 10 | 11 |
| 2019 | 8 | 6 |
| 2020 | 3 | 7 |
| 2021 | 11 | 16 |
| 2022 | 5 | 12 |
| 2023 | 14 | 3 |
| 2024 | 12 | 6 |
| 2025 | 5 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flat heat absorber for solar tower power generation and system using same17 Mar 2026US 12,578,122 B2Nanjing Tech University
- Vapor supply device and drying system15 Jul 2025US 12,359,848 B2IHI Corporation
- Integrated hybrid solar energy plant and district heating and cooling network1 Jul 2025US 12,348,185 B1Schlumberger Technology Corporation
- Gas condensate recovery and flare gas combustion combined cycle17 Jun 2025US 12,331,962 B1Schlumberger Technology Corporation
- Light-concentrating anti-frost anti-heave heat gathering device and subgrade thereof20 May 2025US 12,305,889 B2Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences
- Selenothermal energy storage6 Aug 2026US 2026/0227099 A1Government of the United States as Represented by the Secretary of the Air Force
- Gas condensate recovery and flare gas combustion combined cycle20 Nov 2025US 2025/0354724 A1Schlumberger Technology Corporation
- Absorber unit, mirror unit and solar collector or solar installation22 May 2025US 2025/0164152 A1
- Heat Pipe Panel for Solar Panel26 Sep 2024US 2024/0324145 A1Sunowner Inc.
- Solar water heating system utilizing a flat-shaped heat pipe18 Jul 2024US 2024/0240832 A1Kambix Innovations, LLC
Most cited
By later US patents
- Devices using a medium having a high heat transfer rate103US 7,220,365 B2New Qu Energy Ltd. · 2007
- Tubular solar cell93US 3,990,914 ASensor Technology, Inc. · 1976
- Solar concentrator - radiator assembly78US 4,947,825 ARockwell International Corporation · 1990
- Capillary-pumped heat transfer panel and system68US 4,602,679 AGrumman Aerospace Corporation · 1986
- Modular passive solar heating system61US 4,505,261 A1985