F21L 14/023
Having two or more, or different light sources
Official title: {having two or more, or different light sources}
F21L14/023 (Having two or more, or different light sources) appears on 79 US grants and 76 published applications in this corpus.
Search patents in F21L- Granted patents
- 79
- Published applications
- 76
- Assignees
- 39
- Inventors
- 112
- Latest grant
- 2 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 5 |
| 2006 | 3 | 7 |
| 2007 | 7 | 4 |
| 2008 | 3 | 5 |
| 2009 | 5 | 4 |
| 2010 | 4 | 9 |
| 2011 | 3 | 7 |
| 2012 | 7 | 8 |
| 2013 | 5 | 1 |
| 2014 | 5 | 7 |
| 2015 | 2 | 2 |
| 2016 | 2 | 0 |
| 2017 | 4 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Flexible lighting apparatus2 Jan 2024US RE49,779 E1Sourcemaker, Inc.
- Under-hood luminaire16 May 2023US 11,648,873 B2
- Under-hood luminaire28 Jun 2022US 11,370,355 B2
- Compact flashlight assembly comprising a primary light, a backup light, and a handle22 Feb 2022US 11,255,494 B1
- Modular lighting system6 Jul 2021US 11,054,093 B2Power Probe Group, Inc.
- Wirelessly connected lights11 Jan 2024US 2024/0015871 A1
- Under-hood luminaire13 Oct 2022US 2022/0324379 A1
- Under-hood luminaire9 Sep 2021US 2021/0276482 A1
- Landscape lighting systems having led lamps that enable installers to rapidly identify lumen levels and beam spreads1 Oct 2020US 2020/0309343 A1Mind Head LLC
- Under-hood luminaire19 Dec 2019US 2019/0381934 A1
Most cited
By later US patents
- Lighting device165US 4,947,291 A1990
- LED work light150US 6,857,756 B2General Manufacturing, Inc. · 2005
- LED work light106US 6,979,100 B2General Manufacturing, Inc. · 2005
- Deuterium lamp box and portable light source apparatus83US 6,601,972 B2Hamamatsu Photonics K.K. · 2003
- LED work light79US 7,553,051 B2Brasscorp Limited · 2009