F24S 23/71
With parabolic reflective surfaces
Official title: with parabolic reflective surfaces (with cylindro-parabolic reflective surfaces F24S23/74)
F24S23/71 (With parabolic reflective surfaces) appears on 426 US grants and 469 published applications in this corpus.
Search patents in F24S- Granted patents
- 426
- Published applications
- 469
- Assignees
- 234
- Inventors
- 885
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 5 | 0 |
| 1981 | 17 | 0 |
| 1982 | 15 | 0 |
| 1983 | 12 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 9 | 0 |
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 3 | 5 |
| 2004 | 7 | 10 |
| 2005 | 5 | 4 |
| 2006 | 5 | 8 |
| 2007 | 1 | 17 |
| 2008 | 4 | 15 |
| 2009 | 4 | 31 |
| 2010 | 10 | 33 |
| 2011 | 9 | 42 |
| 2012 | 17 | 36 |
| 2013 | 23 | 46 |
| 2014 | 28 | 31 |
| 2015 | 21 | 30 |
| 2016 | 23 | 16 |
| 2017 | 18 | 15 |
| 2018 | 10 | 21 |
| 2019 | 17 | 10 |
| 2020 | 13 | 20 |
| 2021 | 15 | 16 |
| 2022 | 8 | 16 |
| 2023 | 12 | 8 |
| 2024 | 5 | 15 |
| 2025 | 11 | 8 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromagnetic radiation collecting and directing device25 Aug 2026US 12,716,561 B2
- Solar thermal panel and method for producing water2 Jun 2026US 12,644,261 B2Akua S.R.L.
- Solar energy utilization apparatus28 Apr 2026US 12,615,009 B2Boly Media Communications (Shenzhen) Co., Ltd.
- Concentrated solar thermal reactor21 Apr 2026US 12,607,385 B2Blueshift, LLC
- System and method for preparing sulphoaluminate cement from solar energy stored heat dried sludge24 Mar 2026US 12,583,790 B2Shandong University
- Shape Memory Design for a Lightweight, Low Stow Volume, Deployable Solar Concentrator18 Jun 2026US 2026/0168703 A1L'Garde, Inc.
- Close Structure Solar Concentrator Compressed Air Energy Storage System11 Jun 2026US 2026/0160450 A1
- Lightweight, Low Stow Volume, Deployable Solar Concentrator for Space Applications21 May 2026US 2026/0142613 A1L'Garde, Inc.
- Systems and methods for manufacturing in space environments5 Mar 2026US 2026/0063334 A1Trans Astronautica Corporation
- Synergistic tracking integrated photovoltaic and concentrating cogeneration solar energy harvesting system5 Mar 2026US 2026/0066834 A1RIC Enterprises
Most cited
By later US patents
- Solar concentrator for heat and electricity135US 6,080,927 A2000
- Photovoltaic device with optical concentrator and method of making the same116US 6,440,769 B2The Trustees of Princeton University · 2002
- Light-weight reflector for concentrating radiation80US 5,680,145 AAstro Aerospace Corporation · 1997
- Concentrating solar energy receiver79US 6,818,818 B22004
- Solar concentrator - radiator assembly78US 4,947,825 ARockwell International Corporation · 1990