F21L 4/06
Electric lighting devices with self-contained electric batteries or cells: with the light
Official title: with the light source coupled to the remainder of the device solely by cable
F21L4/06 (Electric lighting devices with self-contained electric batteries or cells: with the light) appears on 64 US grants and 64 published applications in this corpus.
Search patents in F21L- Granted patents
- 64
- Published applications
- 64
- Assignees
- 32
- Inventors
- 111
- Latest grant
- 19 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 5 |
| 2003 | 2 | 0 |
| 2004 | 2 | 4 |
| 2005 | 2 | 6 |
| 2006 | 3 | 4 |
| 2007 | 3 | 4 |
| 2008 | 1 | 6 |
| 2009 | 1 | 4 |
| 2010 | 3 | 3 |
| 2011 | 4 | 3 |
| 2012 | 2 | 5 |
| 2013 | 3 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 4 |
| 2017 | 1 | 1 |
| 2018 | 3 | 2 |
| 2019 | 0 | 0 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 2 |
| 2023 | 0 | 1 |
| 2024 | 1 | 3 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Flexible flashlight174US 4,495,550 A1985
- Portable reading light device171US 6,290,368 B12001
- Flashlight with flexible extension166US 5,154,483 A1992
- Radiant-energy tool with flexible extension146US 5,369,556 A1994
- Sleeve retention for flexible core of a flashlight131US 5,517,392 ABlack & Decker Inc. · 1996