F21L 4/005
The device being a pocket lamp
Official title: {the device being a pocket lamp (F21L4/022, F21L4/045, F21L4/085 take precedence)}
F21L4/005 (The device being a pocket lamp) appears on 842 US grants and 749 published applications in this corpus.
Search patents in F21L- Granted patents
- 842
- Published applications
- 749
- Assignees
- 271
- Inventors
- 913
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 14 | 0 |
| 2001 | 22 | 8 |
| 2002 | 23 | 28 |
| 2003 | 24 | 30 |
| 2004 | 33 | 41 |
| 2005 | 21 | 41 |
| 2006 | 33 | 37 |
| 2007 | 26 | 39 |
| 2008 | 14 | 24 |
| 2009 | 20 | 19 |
| 2010 | 19 | 28 |
| 2011 | 14 | 27 |
| 2012 | 22 | 35 |
| 2013 | 30 | 38 |
| 2014 | 35 | 37 |
| 2015 | 29 | 42 |
| 2016 | 50 | 38 |
| 2017 | 28 | 37 |
| 2018 | 31 | 31 |
| 2019 | 31 | 26 |
| 2020 | 28 | 26 |
| 2021 | 21 | 26 |
| 2022 | 24 | 14 |
| 2023 | 20 | 27 |
| 2024 | 27 | 11 |
| 2025 | 25 | 23 |
| 2026 | 20 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multi-directional light assembly18 Aug 2026US 12,710,145 B2Triplelite LLC
- Dual power light source4 Aug 2026US 12,698,874 B2Lb Marketing, Inc.
- Portable flashlight21 Jul 2026US 12,687,282 B2Black & Decker Inc.
- Light head with light sensor and flashlight14 Jul 2026US 12,680,685 B2
- Security flashlights with threat detection20 Aug 2026US 2026/0243414 A1Smart Home Protection LLC
- Switch cover assemblies23 Jul 2026US 2026/0210537 A1
- Flashlight with wireless control switches4 Jun 2026US 2026/0153203 A1
- Battery Case with Secure and Waterproof Lock, and Headlamp Comprising the Same21 May 2026US 2026/0139818 A1
- Multifunctional keychain flashlight with integrated alarm30 Apr 2026US 2026/0117965 A1Lb Marketing, Inc.
Most cited
By later US patents
- LED illumination apparatus and card-type LED illumination source287US 6,949,772 B2Matsushita Electric Industrial Co., Ltd. · 2005
- Illumination devices for watches and other instruments257US 6,729,738 B2Luminary Logic Ltd. · 2004
- Long-range, handheld illumination system207US 7,344,268 B2Xenonics, Inc. · 2008
- Flashlight191US 4,286,311 A1981
- Miniature flashlight165US 4,577,263 A1986