F24S 20/30
Solar heat collectors for heating objects
Official title: Solar heat collectors for heating objects, e.g. solar cookers or solar furnaces
F24S20/30 (Solar heat collectors for heating objects) appears on 165 US grants and 154 published applications in this corpus.
Search patents in F24S- Granted patents
- 165
- Published applications
- 154
- Assignees
- 73
- Inventors
- 325
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 4 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 0 | 1 |
| 2008 | 1 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 5 |
| 2011 | 0 | 7 |
| 2012 | 3 | 7 |
| 2013 | 1 | 7 |
| 2014 | 2 | 12 |
| 2015 | 8 | 11 |
| 2016 | 4 | 7 |
| 2017 | 11 | 4 |
| 2018 | 2 | 3 |
| 2019 | 7 | 8 |
| 2020 | 6 | 7 |
| 2021 | 11 | 12 |
| 2022 | 8 | 8 |
| 2023 | 8 | 12 |
| 2024 | 7 | 14 |
| 2025 | 8 | 7 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Solar radiation receiver and reactor system having a solar radiation receiver24 Feb 2026US 12,560,357 B2Deutsches Zentrum für Luft- und Raumfahrt e. V.
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- Directing light for thermal and power applications in space30 Jul 2026US 2026/0217388 A1Trans Astronautica Corporation
- Method for extracting volatile material from moon soil, and gas collection system using the same23 Jul 2026US 2026/0210813 A1Korea Institute of Geoscience and Mineral Resources
- Solar-driven deep dehumidification system and method7 May 2026US 2026/0124575 A1City University of Hong Kong
- Foldable solar desalination device with no liquid discharge19 Feb 2026US 2026/0048342 A1Khalifa University of Science and Technology
- Solar warming apparatus25 Dec 2025US 2025/0389453 A1
Most cited
By later US patents
- Solar powered/multiple fuel cooking device52US 5,524,610 A1996
- Solar collector, transmitter and heater51US 4,841,946 A1989
- Tracking device48US 4,585,318 A1986
- Inflatable multi-function parabolic reflector apparatus and methods of manufacture36US 6,897,832 B22005
- Apparatus for solar cooking35US 3,938,497 A1976