F21V 29/503
Of light sources
Official title: of light sources (cooling arrangements structurally associated with gas-discharge or vapour-discharge lamps H01J61/52; cooling arrangements structurally associated with electric incandescent lamps H01K1/58; cooling arrangements structurally associated with light-emitting diodes H10H20/858)
F21V29/503 (Of light sources) appears on 753 US grants and 863 published applications in this corpus.
Search patents in F21V- Granted patents
- 753
- Published applications
- 863
- Assignees
- 420
- Inventors
- 1,482
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 2 | 3 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 2 | 8 |
| 2007 | 5 | 13 |
| 2008 | 1 | 16 |
| 2009 | 3 | 12 |
| 2010 | 5 | 13 |
| 2011 | 6 | 17 |
| 2012 | 12 | 17 |
| 2013 | 14 | 27 |
| 2014 | 15 | 23 |
| 2015 | 20 | 47 |
| 2016 | 60 | 73 |
| 2017 | 49 | 89 |
| 2018 | 65 | 72 |
| 2019 | 96 | 110 |
| 2020 | 118 | 95 |
| 2021 | 80 | 45 |
| 2022 | 39 | 46 |
| 2023 | 38 | 38 |
| 2024 | 49 | 38 |
| 2025 | 38 | 33 |
| 2026 | 24 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Illuminating device, imaging device and method for operating same22 Sep 2026US 12,744,988 B2KARL STORZ GmbH&Co.KG
- Recessed lighting fixture with driver plate1 Sep 2026US 12,723,742 B1Nora Lighting, Inc.
- LED light source device and biochemical analysis device25 Aug 2026US 12,716,579 B2Hitachi High-Tech Corporation
- LED luminaire thermal management system18 Aug 2026US 12,710,171 B2
- Luminaire having a back plate with opening for relasably attached driver8 Oct 2026US 2026/0309318 A1Signify Holding B. V.
- Led device and led light fixture8 Oct 2026US 2026/0309321 A1Shanghai Weili Advanced Electronic Technology Co., Ltd.
- Led luminaire thermal management system1 Oct 2026US 2026/0298456 A1FOHSE Inc.
- Device for emitting a light beam intended to be installed in a lighting device with a view to generating light effects24 Sep 2026US 2026/0287134 A1Arteffect
- Streetlights with improved thermal efficiency and extended lifespan17 Sep 2026US 2026/0276189 A1Top System Co., Ltd.
Most cited
By later US patents
- Methods and apparatus for illumination of liquids325US 6,781,329 B2Color Kinetics Incorporated · 2004
- Methods and apparatus for illumination of liquids177US 7,187,141 B2Color Kinetics Incorporated · 2007
- LED light with active cooling136US 7,204,615 B2Lumination LLC · 2007
- Low profile light and accessory kit for the same118US 8,672,518 B2Lighting Science Group Corporation · 2014
- LED light fixture103US 8,092,049 B2Ruud Lighting, Inc. · 2012