F21S 11/00
Non-electric lighting devices or systems using daylight
Official title: Non-electric lighting devices or systems using daylight {(hybrid lighting devices combining artificial and natural light F21S19/00; roofs with sky-light opening E04D13/03; sun blinds for windows with means for redirecting light onto ceiling of a room E06B9/00; solar heat collectors F24S)}
F21S11/00 (Non-electric lighting devices or systems using daylight) appears on 537 US grants and 502 published applications in this corpus.
Search patents in F21S- Granted patents
- 537
- Published applications
- 502
- Assignees
- 234
- Inventors
- 825
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 8 |
| 2002 | 15 | 7 |
| 2003 | 9 | 7 |
| 2004 | 6 | 10 |
| 2005 | 7 | 13 |
| 2006 | 2 | 10 |
| 2007 | 5 | 7 |
| 2008 | 5 | 9 |
| 2009 | 5 | 14 |
| 2010 | 8 | 18 |
| 2011 | 14 | 22 |
| 2012 | 17 | 25 |
| 2013 | 16 | 26 |
| 2014 | 23 | 34 |
| 2015 | 27 | 36 |
| 2016 | 21 | 40 |
| 2017 | 31 | 45 |
| 2018 | 36 | 41 |
| 2019 | 38 | 16 |
| 2020 | 24 | 27 |
| 2021 | 15 | 21 |
| 2022 | 8 | 22 |
| 2023 | 14 | 11 |
| 2024 | 17 | 16 |
| 2025 | 10 | 9 |
| 2026 | 7 | 8 |
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
- Wireless power beam routing infrastructure systems and methods18 Aug 2026US 12,713,735 B2Nant Holdings IP, LLC
- Energy augmentation structures for use with energy emitters and collectors11 Aug 2026US 12,702,861 B2Immunolight, LLC
- Illumination systems employing laminated sheet-form optical structures with embedded TIR channels14 Jul 2026US 12,680,670 B2S.V.V. Technology Innovations, Inc.
- System for the cultivation of photosynthetic organisms, such as plants or the like16 Jun 2026US 12,653,114 B2Germina S.R.L.
- Illumination systems employing multi-layer laminated sheet-form optical structures with embedded tir channels17 Sep 2026US 2026/0276175 A1
- Sprayable substances for photosynthesis enhancement27 Aug 2026US 2026/0248129 A1Sensei AG Holdings, Inc.
- A method and apparatus for collecting, transporting and distributing energy27 Aug 2026US 2026/0254407 A1ATOA Scientific Technologies Pvt. Ltd
- Harvesting, transmission, spectral modification and delivery of sunlight to shaded areas of plants6 Aug 2026US 2026/0227042 A1Opti-Harvest, Inc.
- Hybrid solar-electric lighting system16 Jul 2026US 2026/0202026 A1
Most cited
By later US patents
- Vehicle lighting having remote light source298US 5,709,453 A1998
- Apparatus for collecting, distributing and utilizing solar radiation137US 4,411,490 A1983
- Toothed daylight blinds117US 6,845,805 B12005
- Solar lighting reflector apparatus having slatted mirrors and improved tracker99US 4,883,340 ASolar Lighting Research, Inc. · 1989
- Tubular skylight with improved dome95US 5,655,339 AODL, Incorporated · 1997