F24S 23/70
Arrangements for concentrating solar-rays for solar heat collectors: with reflectors
Official title: with reflectors
F24S23/70 (Arrangements for concentrating solar-rays for solar heat collectors: with reflectors) appears on 2,458 US grants and 2,316 published applications in this corpus.
Search patents in F24S- Granted patents
- 2,458
- Published applications
- 2,316
- Assignees
- 1,068
- Inventors
- 4,337
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 35 | 0 |
| 1977 | 68 | 0 |
| 1978 | 117 | 0 |
| 1979 | 88 | 0 |
| 1980 | 110 | 0 |
| 1981 | 118 | 0 |
| 1982 | 95 | 0 |
| 1983 | 63 | 0 |
| 1984 | 62 | 0 |
| 1985 | 55 | 0 |
| 1986 | 39 | 0 |
| 1987 | 21 | 0 |
| 1988 | 22 | 0 |
| 1989 | 19 | 0 |
| 1990 | 14 | 0 |
| 1991 | 19 | 0 |
| 1992 | 13 | 0 |
| 1993 | 21 | 0 |
| 1994 | 15 | 0 |
| 1995 | 7 | 0 |
| 1996 | 22 | 0 |
| 1997 | 17 | 0 |
| 1998 | 11 | 0 |
| 1999 | 29 | 0 |
| 2000 | 28 | 0 |
| 2001 | 20 | 6 |
| 2002 | 18 | 19 |
| 2003 | 22 | 23 |
| 2004 | 19 | 49 |
| 2005 | 22 | 30 |
| 2006 | 19 | 40 |
| 2007 | 13 | 51 |
| 2008 | 14 | 92 |
| 2009 | 19 | 164 |
| 2010 | 38 | 197 |
| 2011 | 59 | 212 |
| 2012 | 79 | 216 |
| 2013 | 102 | 208 |
| 2014 | 117 | 165 |
| 2015 | 119 | 150 |
| 2016 | 98 | 96 |
| 2017 | 92 | 80 |
| 2018 | 78 | 74 |
| 2019 | 75 | 66 |
| 2020 | 50 | 67 |
| 2021 | 66 | 65 |
| 2022 | 37 | 61 |
| 2023 | 38 | 55 |
| 2024 | 50 | 55 |
| 2025 | 51 | 42 |
| 2026 | 35 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F24S 23/74With trough-shaped or cylindro-parabolic reflective surfaces769
- F24S 2023/87Reflectors layoutIndexing code430
- F24S 23/71With parabolic reflective surfaces426
- F24S 23/77With flat reflective plates409
- F24S 23/79With spaced and opposed interacting reflective surfaces365
- F24S 23/80Having discontinuous faces264
- F24S 23/82Characterised by the material or the construction of the reflector260
- F24S 2023/83Other shapesIndexing code254
All 15 subgroupsShow fewer
- F24S 23/81Flexible84
- F24S 2023/86In the form of reflective coatingsIndexing code74
- F24S 2023/88Multi reflective trapsIndexing code68
- F24S 23/72With hemispherical reflective surfaces46
- F24S 2023/84Reflective elements inside solar collector casingsIndexing code37
- F24S 2023/85Micro-reflectorsIndexing code30
- F24S 23/75With conical reflective surfaces29
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Most cited
By later US patents
- Pool solar power generator616US 9,847,749 B2Masimo Semiconductor, Inc. · 2017
- Variable aperture, variable flux density, aerospace solar collector220US 4,888,063 A1989
- TIR lens for waveguide injection208US 5,806,955 ATIR Technologies, Inc. · 1998
- Multiple wavelength light processor190US 5,655,832 ATIR Technologies, Inc. · 1997
- Hemispheric moving focus power plant apparatus and method190US 5,961,739 A1999