F21V 23/0428
The switch being part of, or disposed on the lamp head portion
Official title: {the switch being part of, or disposed on the lamp head portion thereof}
F21V23/0428 (The switch being part of, or disposed on the lamp head portion) appears on 121 US grants and 133 published applications in this corpus.
Search patents in F21V- Granted patents
- 121
- Published applications
- 133
- Assignees
- 63
- Inventors
- 180
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 6 |
| 2013 | 2 | 5 |
| 2014 | 5 | 2 |
| 2015 | 3 | 7 |
| 2016 | 11 | 16 |
| 2017 | 15 | 20 |
| 2018 | 15 | 12 |
| 2019 | 16 | 14 |
| 2020 | 12 | 8 |
| 2021 | 5 | 10 |
| 2022 | 4 | 5 |
| 2023 | 10 | 9 |
| 2024 | 3 | 4 |
| 2025 | 9 | 9 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Handheld flashlight22 Sep 2026US 12,742,543 B2Shenzen Chifrog Technology Co., Ltd.
- Rechargeable LED lamp with magnetic base8 Sep 2026US 12,729,842 B1The Lamps Factory(Hk) Limited
- Portable flashlight21 Jul 2026US 12,687,282 B2Black & Decker Inc.
- Covalent organic frameworks26 May 2026US 12,638,144 B2The Regents of the University of California
- Mobile lighting system and platform21 Apr 2026US 12,607,310 B1Antrish, Inc.
- Portable light10 Sep 2026US 2026/0266452 A1Milwaukee Electric Tool Corporation
- Hand holdable light and battery having symmetrical contacts19 Mar 2026US 2026/0078896 A1Streamlight, Inc.
- Portable flashlight30 Oct 2025US 2025/0334256 A1Black & Decker Inc.
- Head light4 Sep 2025US 2025/0277577 A1Walter R. Tucker Enterprises, Ltd. D/B/A E-Z Red Company
- Handheld flashlight4 Sep 2025US 2025/0277582 A1Shenzhen Chifrog Technology Co., Ltd.
Most cited
By later US patents
- Flashlight and light source selector76US 7,534,975 B1Streamlight, Inc. · 2009
- Rotating head switch mechanism for flashlight69US 4,581,686 AStreamlight, Inc. · 1986
- Archery shooting bow with stabilizing flashlight60US 4,640,258 AStreamlight, Inc. · 1987
- Multimode flashlight having light emitting diodes47US 8,783,908 B2PowerTech, Inc. · 2014
- Portable and/or mountable light27US 10,344,959 B2Streamlight, Inc. · 2019