F21L 4/085
Pocket lamps
Official title: {Pocket lamps}
F21L4/085 (Pocket lamps) appears on 252 US grants and 251 published applications in this corpus.
Search patents in F21L- Granted patents
- 252
- Published applications
- 251
- Assignees
- 113
- Inventors
- 350
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 3 |
| 2002 | 4 | 1 |
| 2003 | 3 | 5 |
| 2004 | 1 | 1 |
| 2005 | 0 | 10 |
| 2006 | 2 | 8 |
| 2007 | 3 | 7 |
| 2008 | 5 | 12 |
| 2009 | 3 | 9 |
| 2010 | 7 | 7 |
| 2011 | 2 | 4 |
| 2012 | 3 | 4 |
| 2013 | 3 | 4 |
| 2014 | 7 | 8 |
| 2015 | 4 | 14 |
| 2016 | 11 | 16 |
| 2017 | 12 | 19 |
| 2018 | 15 | 16 |
| 2019 | 16 | 14 |
| 2020 | 14 | 13 |
| 2021 | 7 | 9 |
| 2022 | 8 | 20 |
| 2023 | 16 | 14 |
| 2024 | 16 | 4 |
| 2025 | 16 | 18 |
| 2026 | 16 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Variable light beam flashlight and recharging unit184US 4,388,673 AMag Instrument, Inc. · 1983
- Energizer apparatus for rechargeable flashlight batteries135US 4,092,580 A1978
- Outlet box with removable self-contained device122US 4,636,914 AAVE S.p.A. · 1987
- Rechargeable flashlight assembly with nightlight113US 5,806,961 AEveready Battery Company, Inc. · 1998
- Rechargeable flashlight with step-up voltage converter and recharger therefor111US 6,296,367 B1Armament Systems and Procedures, Inc. · 2001