F21L 4/025
The light sources being of different shape or type
Official title: {the light sources being of different shape or type}
F21L4/025 (The light sources being of different shape or type) appears on 96 US grants and 93 published applications in this corpus.
Search patents in F21L- Granted patents
- 96
- Published applications
- 93
- Assignees
- 57
- Inventors
- 163
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 2 |
| 2003 | 4 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 6 |
| 2006 | 4 | 7 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 3 | 4 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 1 | 4 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 6 | 5 |
| 2016 | 1 | 3 |
| 2017 | 4 | 2 |
| 2018 | 5 | 4 |
| 2019 | 3 | 5 |
| 2020 | 6 | 4 |
| 2021 | 5 | 5 |
| 2022 | 3 | 6 |
| 2023 | 6 | 12 |
| 2024 | 8 | 2 |
| 2025 | 9 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable flashlight21 Jul 2026US 12,687,282 B2Black & Decker Inc.
- Foldable wide-angle headlamp7 Jul 2026US 12,674,565 B1
- Lighting device24 Feb 2026US D1,115,104 S1Archangel Device LLC · Design
- Multi-sided work light and magnetic valve control system and control method thereof30 Dec 2025US 12,510,238 B1Ningbo Futai Electric Limited
- Flashlight with an electronic insect control system9 Sep 2025US 12,408,651 B2West Coast Imports, Inc.
- Multifunction portable illumination system24 Sep 2026US 2026/0287126 A1Immobileyes Inc.
- Portable light23 Apr 2026US 2026/0110410 A1Milwaukee Electric Tool Corporation
- Portable light with multiple operating modes12 Feb 2026US 2026/0046989 A1Promier Products Inc.
- Portable flashlight30 Oct 2025US 2025/0334256 A1Black & Decker Inc.
- System and method for portable, safety lighting22 May 2025US 2025/0164101 A1Archangel Device LLC
Most cited
By later US patents
- Synthesized lighting device218US 4,963,798 A1990
- Lighting device165US 4,947,291 A1990
- Flashlight with rotatable lamp head128US 5,871,272 AStreamlight, Inc. · 1999
- Rechargeable flashlight assembly with nightlight113US 5,806,961 AEveready Battery Company, Inc. · 1998
- Illumination device having multiple light sources111US 6,623,140 B22003