F21V 19/047
By using spare light sources comprised in or attached to the lighting
Official title: {by using spare light sources comprised in or attached to the lighting device and being intended to replace a defect light source by manual mounting}
F21V19/047 (By using spare light sources comprised in or attached to the lighting) appears on 148 US grants and 69 published applications in this corpus.
Search patents in F21V- Granted patents
- 148
- Published applications
- 69
- Assignees
- 35
- Inventors
- 91
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 10 |
| 2003 | 8 | 5 |
| 2004 | 4 | 6 |
| 2005 | 2 | 6 |
| 2006 | 6 | 7 |
| 2007 | 4 | 10 |
| 2008 | 5 | 5 |
| 2009 | 1 | 3 |
| 2010 | 3 | 2 |
| 2011 | 1 | 3 |
| 2012 | 5 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 3 | 1 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Bulb including removable cover27 Apr 2021US 10,989,367 B1
- Bulb tube holder4 Aug 2022US 2022/0240652 A1
- Portable Lighting Devices24 Dec 2020US 2020/0404753 A9Mag Instrument, Inc.
- Portable Lighting Devices18 Jul 2019US 2019/0223269 A1Mag Instrument, Inc.
- Portable Lighting Devices24 Jan 2019US 2019/0029095 A1Mag Instrument, Inc.
- Apparatus for Creating a Storage Compartment in a Flashlight and Method of Its Use13 Sep 2018US 2018/0259168 A1Mag Instrument, Inc.
Most cited
By later US patents
- Flashlight191US 4,286,311 A1981
- Miniature flashlight189US 4,733,337 ALite Tek International Corp. · 1988
- Variable light beam flashlight and recharging unit184US 4,388,673 AMag Instrument, Inc. · 1983
- Miniature flashlight165US 4,577,263 A1986
- Miniature flashlight123US 4,658,336 AMag Instrument, Inc. · 1987