F21L 4/022
Pocket lamps
Official title: {Pocket lamps}
F21L4/022 (Pocket lamps) appears on 835 US grants and 939 published applications in this corpus.
Search patents in F21L- Granted patents
- 835
- Published applications
- 939
- Assignees
- 322
- Inventors
- 1,092
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 11 | 9 |
| 2002 | 16 | 12 |
| 2003 | 22 | 37 |
| 2004 | 28 | 56 |
| 2005 | 40 | 74 |
| 2006 | 46 | 66 |
| 2007 | 35 | 49 |
| 2008 | 29 | 38 |
| 2009 | 31 | 71 |
| 2010 | 45 | 62 |
| 2011 | 32 | 43 |
| 2012 | 43 | 41 |
| 2013 | 38 | 39 |
| 2014 | 29 | 27 |
| 2015 | 48 | 30 |
| 2016 | 21 | 32 |
| 2017 | 25 | 33 |
| 2018 | 34 | 30 |
| 2019 | 43 | 25 |
| 2020 | 32 | 25 |
| 2021 | 24 | 32 |
| 2022 | 29 | 27 |
| 2023 | 26 | 37 |
| 2024 | 28 | 14 |
| 2025 | 25 | 19 |
| 2026 | 14 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-directional light assembly18 Aug 2026US 12,710,145 B2Triplelite LLC
- Portable flashlight21 Jul 2026US 12,687,282 B2Black & Decker Inc.
- Foldable wide-angle headlamp7 Jul 2026US 12,674,565 B1
- Portable lighting device with a flexible and deployable LED lighting element23 Jun 2026US 12,663,125 B2Promier Products Inc.
- Portable illumination apparatus23 Jun 2026US 12,663,126 B2Black & Decker Inc.
- Portable lighting device with a flexible and deployable led lighting element8 Oct 2026US 2026/0309287 A1Promier Products Inc.
- Multifunction portable illumination system24 Sep 2026US 2026/0287126 A1Immobileyes Inc.
- Portable illumination apparatus24 Sep 2026US 2026/0287128 A1
- Surgical eyewear lighting systems and methods3 Sep 2026US 2026/0256542 A1Hawkeye Surgical Lighting, Inc.
- Mechanical suture fastener16 Jul 2026US 2026/0198917 A1
Most cited
By later US patents
- Preparedness flashlight1,025US 7,780,309 B2Eveready Battery Company, Inc. · 2010
- Method and apparatus for an L.E.D. flashlight530US 6,095,661 APPT Vision, Inc. · 2000
- High power LED305US 6,541,800 B2Weldon Technologies, Inc. · 2003
- LED illumination apparatus and card-type LED illumination source287US 6,949,772 B2Matsushita Electric Industrial Co., Ltd. · 2005
- Flashlight for covert applications247US 5,161,879 A1992