F24S 23/74
With trough-shaped or cylindro-parabolic reflective surfaces
Official title: with trough-shaped or cylindro-parabolic reflective surfaces
F24S23/74 (With trough-shaped or cylindro-parabolic reflective surfaces) appears on 769 US grants and 799 published applications in this corpus.
Search patents in F24S- Granted patents
- 769
- Published applications
- 799
- Assignees
- 428
- Inventors
- 1,536
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 19 | 0 |
| 1978 | 32 | 0 |
| 1979 | 36 | 0 |
| 1980 | 38 | 0 |
| 1981 | 36 | 0 |
| 1982 | 30 | 0 |
| 1983 | 20 | 0 |
| 1984 | 12 | 0 |
| 1985 | 17 | 0 |
| 1986 | 15 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 9 |
| 2003 | 3 | 6 |
| 2004 | 5 | 11 |
| 2005 | 4 | 8 |
| 2006 | 2 | 9 |
| 2007 | 3 | 19 |
| 2008 | 3 | 31 |
| 2009 | 3 | 48 |
| 2010 | 12 | 70 |
| 2011 | 17 | 79 |
| 2012 | 31 | 70 |
| 2013 | 37 | 92 |
| 2014 | 40 | 65 |
| 2015 | 38 | 51 |
| 2016 | 38 | 40 |
| 2017 | 37 | 33 |
| 2018 | 29 | 32 |
| 2019 | 31 | 15 |
| 2020 | 24 | 19 |
| 2021 | 19 | 22 |
| 2022 | 8 | 16 |
| 2023 | 8 | 20 |
| 2024 | 20 | 13 |
| 2025 | 20 | 10 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CSP system, sensor arrangement, method and use11 Aug 2026US 12,704,295 B2Cambras GmbH
- Devices and methods for concentrated radiative cooling23 Jun 2026US 12,663,185 B2Purdue Research Foundation
- Heliostat frame and heliostat thereof, and heliostat field16 Jun 2026US 12,656,022 B2Zhejiang Cosin Solar Technology Co., Ltd.
- Solar thermal panel and method for producing water2 Jun 2026US 12,644,261 B2Akua S.R.L.
- Solar energy utilization device26 May 2026US 12,640,679 B2Bolymedia Holdings Co. Ltd.
- Apparatus and method correlated therewith for producing water by means of a vapor convection type solar receiver17 Sep 2026US 2026/0275690 A1Akua S.R.L.
- Solar thermal energy storage and integrated power generation system13 Aug 2026US 2026/0235326 A1EnviroMission Group, LLC
- Solar Collector25 Jun 2026US 2026/0177288 A1Improved Energy Ltd
- Curved trough solar concentrator4 Jun 2026US 2026/0153271 A1Idealab Studio, LLC
- Spacecraft-based deployable solar concentrator for gasifying cryogenic liquids23 Apr 2026US 2026/0109489 A1Blue Origin, LLC
Most cited
By later US patents
- Variable aperture, variable flux density, aerospace solar collector220US 4,888,063 A1989
- Solar concentrator for heat and electricity135US 6,080,927 A2000
- Parabolic trough solar energy collector assembly128US 4,135,493 AAcurex Corporation · 1979
- Directing and concentrating solar energy collectors119US 5,851,309 A1998
- Solar collector system111US 4,117,682 A1978