F21V 23/0421
The switch being part of, or disposed on the tail cap portion
Official title: {the switch being part of, or disposed on the tail cap portion thereof}
F21V23/0421 (The switch being part of, or disposed on the tail cap portion) appears on 188 US grants and 183 published applications in this corpus.
Search patents in F21V- Granted patents
- 188
- Published applications
- 183
- Assignees
- 77
- Inventors
- 248
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 0 |
| 2003 | 1 | 4 |
| 2004 | 1 | 4 |
| 2005 | 4 | 9 |
| 2006 | 4 | 1 |
| 2007 | 5 | 4 |
| 2008 | 2 | 2 |
| 2009 | 8 | 11 |
| 2010 | 6 | 10 |
| 2011 | 1 | 15 |
| 2012 | 6 | 8 |
| 2013 | 7 | 5 |
| 2014 | 4 | 5 |
| 2015 | 7 | 11 |
| 2016 | 10 | 12 |
| 2017 | 11 | 8 |
| 2018 | 15 | 14 |
| 2019 | 14 | 12 |
| 2020 | 16 | 13 |
| 2021 | 12 | 10 |
| 2022 | 7 | 4 |
| 2023 | 6 | 5 |
| 2024 | 3 | 5 |
| 2025 | 7 | 7 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dual-stage flashlight switch and flashlight6 Oct 2026US 12,753,912 B1
- Light-emitting structure of paddle18 Aug 2026US 12,708,825 B2
- Portable flashlight21 Jul 2026US 12,687,282 B2Black & Decker Inc.
- Flashlight with user-definable modes7 Jul 2026US 12,677,368 B2Fenixlight Limited
- Flashlight grip24 Mar 2026US 12,584,618 B2
- Switch cover assemblies23 Jul 2026US 2026/0210537 A1
- Hand holdable light and battery having symmetrical contacts19 Mar 2026US 2026/0078896 A1Streamlight, Inc.
- Flashlight with user-definable modes29 Jan 2026US 2026/0032797 A1Fenixlight Limited
- Flashlight with adjustable form factor22 Jan 2026US 2026/0022833 A1
- White Cane Capable of Emitting Light Throughout Its Body13 Nov 2025US 2025/0347407 A1Suzhou Xinxinlian Intelligent Technology Co., Ltd.
Most cited
By later US patents
- Rechargeable flashlight with step-up voltage converter and recharger therefor111US 6,296,367 B1Armament Systems and Procedures, Inc. · 2001
- Tailcap switch-focus flashlight94US 4,841,417 AMag Instrument, Inc. · 1989
- Flashlights and other battery-powered apparatus for holding and energizing transducers83US 5,629,105 ALaser Products Corporation · 1997
- Combat-oriented flashlight74US 5,642,932 ALaser Products Corporation · 1997
- Brightness controllable flashlights73US 6,841,941 B2SureFire, LLC · 2005