F21V 13/08
The elements being filters or photoluminescent elements and reflectors
Official title: the elements being filters or photoluminescent elements and reflectors
F21V13/08 (The elements being filters or photoluminescent elements and reflectors) appears on 642 US grants and 748 published applications in this corpus.
Search patents in F21V- Granted patents
- 642
- Published applications
- 748
- Assignees
- 255
- Inventors
- 1,127
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 2 | 2 |
| 2003 | 5 | 1 |
| 2004 | 4 | 5 |
| 2005 | 0 | 6 |
| 2006 | 4 | 4 |
| 2007 | 8 | 5 |
| 2008 | 2 | 10 |
| 2009 | 3 | 15 |
| 2010 | 5 | 16 |
| 2011 | 7 | 42 |
| 2012 | 20 | 41 |
| 2013 | 41 | 94 |
| 2014 | 62 | 105 |
| 2015 | 66 | 125 |
| 2016 | 90 | 69 |
| 2017 | 75 | 69 |
| 2018 | 71 | 38 |
| 2019 | 54 | 28 |
| 2020 | 37 | 22 |
| 2021 | 19 | 13 |
| 2022 | 13 | 6 |
| 2023 | 12 | 10 |
| 2024 | 7 | 13 |
| 2025 | 7 | 3 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lighting assembly and method for providing measuring light and optical measuring device23 Jun 2026US 12,663,367 B2LMI Technologies Inc.
- Lighting device12 May 2026US 12,624,810 B2LG Innotek Co., Ltd.
- Color-changing lampshade and lamp17 Mar 2026US 12,578,079 B2Shenzhen Aurora Technology Limited
- Backlight unit10 Feb 2026US 12,546,458 B2Seoul Semiconductor Co., Ltd.
- Color control in light fixture with subtractive color mixing system and additional filter14 Oct 2025US 12,442,511 B2Harman Professional Denmark ApS
- Lighting device27 Aug 2026US 2026/0251276 A1LG Innotek Co., Ltd.
- Harvesting, transmission, spectral modification and delivery of sunlight to shaded areas of plants6 Aug 2026US 2026/0227042 A1Opti-Harvest, Inc.
- Light source6 Aug 2026US 2026/0227052 A1YLX Incorporated
- Improved light engine30 Jul 2026US 2026/0218882 A1Signify Holding B. V.
- Light-Emitting Devices Providing Asymmetrical Propagation of Light14 May 2026US 2026/0132896 A1Quarkstar LLC
Most cited
By later US patents
- Lighting system590US 6,234,648 B1U. S. Philips Corporation · 2001
- Ultraviolet irradiation device of the optical path division type540US 6,124,600 AUshiodenki Kabushiki Kaisha · 2000
- Illumination device for simulating neon or similar lighting using phosphorescent dye242US 7,264,366 B2iLight Technologies, Inc. · 2007
- Illumination delivery system for generating sustained secondary emission208US 8,664,624 B2Performance Indicator, LLC · 2014
- Lighting system180US 6,586,882 B1Koninklijke Philips Electronics N. V. · 2003