F21V 25/02
Coming into action when lighting device is disturbed, dismounted, or broken
Official title: coming into action when lighting device is disturbed, dismounted, or broken
F21V25/02 (Coming into action when lighting device is disturbed, dismounted, or broken) appears on 395 US grants and 338 published applications in this corpus.
Search patents in F21V- Granted patents
- 395
- Published applications
- 338
- Assignees
- 194
- Inventors
- 669
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 5 | 3 |
| 2003 | 5 | 6 |
| 2004 | 5 | 6 |
| 2005 | 2 | 7 |
| 2006 | 5 | 6 |
| 2007 | 2 | 4 |
| 2008 | 4 | 5 |
| 2009 | 5 | 16 |
| 2010 | 9 | 7 |
| 2011 | 5 | 11 |
| 2012 | 7 | 17 |
| 2013 | 9 | 18 |
| 2014 | 18 | 12 |
| 2015 | 9 | 16 |
| 2016 | 13 | 29 |
| 2017 | 33 | 40 |
| 2018 | 39 | 29 |
| 2019 | 35 | 31 |
| 2020 | 31 | 26 |
| 2021 | 20 | 15 |
| 2022 | 22 | 11 |
| 2023 | 6 | 9 |
| 2024 | 15 | 7 |
| 2025 | 7 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Protective lighting system and methods15 Sep 2026US 12,736,212 B2Infinity X1 LLC
- LED lamp, integrated circuit and power supply module thereof21 Jul 2026US 12,687,265 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Electrical unit or light for a DC network21 Jul 2026US 12,690,101 B2Zumtobel Lighting GmbH
- Fall arrest safety net30 Dec 2025US 12,510,133 B2MRM HK Limited
- Laser-phosphor based stage-lighting fixture providing ctt control28 May 2026US 2026/0146728 A1Signify Holding B. V.
- Filament lamp with temperature sensing30 Apr 2026US 2026/0122737 A1Signify Holding B. V.
- Lighting-element adaptor22 Jan 2026US 2026/0022806 A1Seasons 4, Inc.
- Protective lighting system and methods15 Jan 2026US 2026/0016151 A1Infinity X1 LLC
- Method for controlling power supply of led lamp related applications30 Oct 2025US 2025/0334234 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
Most cited
By later US patents
- Lighting apparatus161US 7,329,024 B2Permlight Products, Inc. · 2008
- Apparatus for irradiating substances curable by radiation159US 4,298,806 AESPE Fabrik Pharmazeutischer Praparate GmbH · 1981
- Modular light fixture with power pack with latching ends133US 7,784,966 B2Orion Energy Systems, Inc. · 2010
- Wall receptacle recessed box contained light intensity on/off controlled night light system126US 4,546,419 A1985
- Modular light fixture with power pack and radiative, conductive, and convective cooling114US 7,628,506 B2Orion Energy Systems, Inc. · 2009