F21L 2/00
Systems of electric lighting devices
Official title: Systems of electric lighting devices (systems employing both electric and non-electric light sources or exchangeable light sources F21L27/00)
F21L2/00 (Systems of electric lighting devices) appears on 612 US grants and 179 published applications in this corpus.
Search patents in F21L- Granted patents
- 612
- Published applications
- 179
- Assignees
- 188
- Inventors
- 729
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 15 | 0 |
| 1981 | 22 | 0 |
| 1982 | 13 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 14 | 0 |
| 1986 | 12 | 0 |
| 1987 | 15 | 0 |
| 1988 | 25 | 0 |
| 1989 | 22 | 0 |
| 1990 | 27 | 0 |
| 1991 | 23 | 0 |
| 1992 | 23 | 0 |
| 1993 | 21 | 0 |
| 1994 | 28 | 0 |
| 1995 | 26 | 0 |
| 1996 | 13 | 0 |
| 1997 | 20 | 0 |
| 1998 | 22 | 0 |
| 1999 | 18 | 0 |
| 2000 | 25 | 0 |
| 2001 | 20 | 5 |
| 2002 | 8 | 11 |
| 2003 | 9 | 5 |
| 2004 | 6 | 2 |
| 2005 | 2 | 10 |
| 2006 | 6 | 7 |
| 2007 | 4 | 2 |
| 2008 | 4 | 6 |
| 2009 | 3 | 5 |
| 2010 | 4 | 8 |
| 2011 | 3 | 7 |
| 2012 | 5 | 7 |
| 2013 | 7 | 10 |
| 2014 | 7 | 10 |
| 2015 | 8 | 9 |
| 2016 | 3 | 7 |
| 2017 | 11 | 7 |
| 2018 | 4 | 9 |
| 2019 | 4 | 4 |
| 2020 | 6 | 9 |
| 2021 | 8 | 5 |
| 2022 | 6 | 11 |
| 2023 | 13 | 6 |
| 2024 | 6 | 8 |
| 2025 | 9 | 4 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Storage unit with light-emitting components4 Aug 2026US 12,698,894 B2Milwaukee Electric Tool Corporation
- Flexible lighting system for carrying bag or container with an exterior control panel and externally deployable flexible light strip21 Apr 2026US 12,607,313 B2Frontline Lighting LLC
- Cordless work light17 Feb 2026US 12,553,580 B2Milwaukee Electric Tool Corporation
- System of interconnectable portable lighting devices with locking hasps10 Feb 2026US 12,546,444 B2Milwaukee Electric Tool Corporation
- Electric lighting system and components, and charging and connection mechanisms thereof6 Jan 2026US 12,516,784 B2Polygroup Limited (Macao Commercial Offshore)
- Electronic device rechargeable without cables via magnets, station for the electric charging without cables via magnets for such an electronic device and system for electric charging without cables via magnets of one or more of such electronic devices simultaneously13 Aug 2026US 2026/0235267 A1
- Cordless work light4 Jun 2026US 2026/0153202 A1Milwaukee Electric Tool Corporation
- Artificial lighting devices and systems for shelter systems30 Apr 2026US 2026/0117941 A1Jameson, LLC
- Area light29 Jan 2026US 2026/0029108 A1
- Portable lighting systems15 Jan 2026US 2026/0016145 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Electrically operated simulated cigarette269US 4,771,796 A1988
- Miniature flashlight189US 4,733,337 ALite Tek International Corp. · 1988
- Miniature flashlight165US 4,577,263 A1986
- Miniature flashlight123US 4,658,336 AMag Instrument, Inc. · 1987
- Portable waterproof fluorescent lantern122US 4,268,894 ADuracell International Inc. · 1981