F21V 23/023
Power supplies in a casing
Official title: {Power supplies in a casing (F21V23/003 takes precedence)}
F21V23/023 (Power supplies in a casing) appears on 710 US grants and 818 published applications in this corpus.
Search patents in F21V- Granted patents
- 710
- Published applications
- 818
- Assignees
- 391
- Inventors
- 1,269
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 3 |
| 2007 | 0 | 7 |
| 2008 | 4 | 6 |
| 2009 | 4 | 9 |
| 2010 | 3 | 11 |
| 2011 | 6 | 17 |
| 2012 | 11 | 30 |
| 2013 | 20 | 40 |
| 2014 | 31 | 40 |
| 2015 | 30 | 76 |
| 2016 | 47 | 76 |
| 2017 | 79 | 75 |
| 2018 | 64 | 79 |
| 2019 | 98 | 83 |
| 2020 | 81 | 64 |
| 2021 | 47 | 41 |
| 2022 | 45 | 33 |
| 2023 | 32 | 31 |
| 2024 | 43 | 30 |
| 2025 | 37 | 31 |
| 2026 | 20 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multi-directional light assembly18 Aug 2026US 12,710,145 B2Triplelite LLC
- Modular light emitting diode (LED) lamp device18 Aug 2026US 12,710,166 B2Wuxi Seastar Lighting Co., Ltd.
- Illuminated earpiece device11 Aug 2026US 12,704,247 B2
- LED lighting device4 Aug 2026US 12,698,872 B2Xiamen PVTECH Co., Ltd.
- Portable light10 Sep 2026US 2026/0266452 A1Milwaukee Electric Tool Corporation
- Illuminated nock30 Jul 2026US 2026/0219016 A1
- Solar pool lamp23 Jul 2026US 2026/0210507 A1Shenzhen Maining Innovation Technology Co., Ltd.
- Inter-plant lamp23 Jul 2026US 2026/0210540 A1Sunribio Co.,Ltd.
- Hybrid solar-electric lighting system16 Jul 2026US 2026/0202026 A1
Most cited
By later US patents
- Light tube and power supply circuit300US 7,049,761 B2Altair Engineering, Inc. · 2006
- LED lighting device for replacing fluorescent tubes268US 7,510,299 B2Altair Engineering, Inc. · 2009
- Actively cooled lighting trim apparatus130US 6,095,671 A2000
- Light tube and power supply circuit116US 8,247,985 B2iLumisys, Inc. · 2012
- Light tube and power supply circuit114US 8,382,327 B2iLumisys, Inc. · 2013