F21L 4/045
Pocket lamps
Official title: {Pocket lamps}
F21L4/045 (Pocket lamps) appears on 182 US grants and 174 published applications in this corpus.
Search patents in F21L- Granted patents
- 182
- Published applications
- 174
- Assignees
- 81
- Inventors
- 267
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 2 |
| 2004 | 1 | 0 |
| 2005 | 2 | 8 |
| 2006 | 3 | 5 |
| 2007 | 2 | 6 |
| 2008 | 3 | 5 |
| 2009 | 6 | 8 |
| 2010 | 8 | 9 |
| 2011 | 6 | 6 |
| 2012 | 5 | 6 |
| 2013 | 5 | 5 |
| 2014 | 8 | 5 |
| 2015 | 7 | 7 |
| 2016 | 12 | 18 |
| 2017 | 9 | 11 |
| 2018 | 12 | 9 |
| 2019 | 9 | 10 |
| 2020 | 6 | 5 |
| 2021 | 9 | 7 |
| 2022 | 9 | 12 |
| 2023 | 13 | 8 |
| 2024 | 11 | 6 |
| 2025 | 8 | 6 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable illumination apparatus23 Jun 2026US 12,663,126 B2Black & Decker Inc.
- Covalent organic frameworks26 May 2026US 12,638,144 B2The Regents of the University of California
- Battery powered light24 Mar 2026US 12,584,615 B2Black & Decker Inc.
- Headlamp with electrically conductive elastic band10 Mar 2026US 12,571,526 B1SYSMAX Innovations Co., Ltd.
- Multi-sided work light and magnetic valve control system and control method thereof30 Dec 2025US 12,510,238 B1Ningbo Futai Electric Limited
- Portable illumination apparatus24 Sep 2026US 2026/0287128 A1
- Portable light10 Sep 2026US 2026/0266452 A1Milwaukee Electric Tool Corporation
- Portable lighting device with a coupler assembly and an articulation mechanism that provides multiple degrees of freedom and adjustability30 Jul 2026US 2026/0218890 A1Promier Products Inc.
- Focusing optic for portable light23 Jul 2026US 2026/0210504 A1
- Battery powered light2 Jul 2026US 2026/0185685 A1
Most cited
By later US patents
- Flashlight with rotatable lamp head128US 5,871,272 AStreamlight, Inc. · 1999
- Flashlight with pivoting head106US 5,541,822 AThe Coleman Company, Inc. · 1996
- Flashlight with rotatable lamp head68US 6,523,972 B2Streamlight, Inc. · 2003
- Flashlight with rotatable lamp head66US 6,250,771 B1Streamlight, Inc. · 2001
- Convertible work light61US 8,262,248 B22012