F21V 25/10
Coming into action when lighting device is overloaded
Official title: coming into action when lighting device is overloaded, e.g. thermal switch
F21V25/10 (Coming into action when lighting device is overloaded) appears on 177 US grants and 125 published applications in this corpus.
Search patents in F21V- Granted patents
- 177
- Published applications
- 125
- Assignees
- 111
- Inventors
- 317
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 2 | 5 |
| 2007 | 4 | 3 |
| 2008 | 1 | 7 |
| 2009 | 2 | 8 |
| 2010 | 2 | 3 |
| 2011 | 6 | 5 |
| 2012 | 5 | 4 |
| 2013 | 6 | 7 |
| 2014 | 10 | 3 |
| 2015 | 6 | 5 |
| 2016 | 4 | 3 |
| 2017 | 3 | 10 |
| 2018 | 11 | 11 |
| 2019 | 16 | 8 |
| 2020 | 7 | 9 |
| 2021 | 10 | 5 |
| 2022 | 7 | 7 |
| 2023 | 5 | 8 |
| 2024 | 8 | 2 |
| 2025 | 5 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Installation of automobile accessory light fixture mitigating RF emissions6 Oct 2026US 12,753,915 B2Putco, Inc.
- Downlight and downlight assembly thereof16 Dec 2025US 12,498,109 B2Shenzhen KOK Technology., Ltd
- LED lighting circuit without driving power supply and LED light string11 Nov 2025US 12,471,195 B1iLamp Technology Co., Ltd
- Light source device30 Sep 2025US 12,429,203 B2Panasonic Intellectual Property Management Co., Ltd.
- Cooking chamber lighting for pellet grills5 Aug 2025US 12,379,102 B2Weber-Stephen Products LLC
- Light fixture with liquid detection20 Nov 2025US 2025/0354684 A1Harman Professional Denmark ApS
- Downlight and downlight assembly thereof2 Oct 2025US 2025/0305669 A1Shenzhen KOK Technology., Ltd
- Surge protection circuit, power supply device using same, and led illumination device29 May 2025US 2025/0174988 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
- Led lighting system and installation methods16 Jan 2025US 2025/0020293 A1Lynk Labs, Inc.
- LED Tube Lamp26 Dec 2024US 2024/0426438 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
Most cited
By later US patents
- LED retrolift lamp for exit signs344US 5,726,535 A1998
- Modular lighting fixture225US 5,738,436 AM.G. Products, Inc. · 1998
- Thermally protected recessed lighting fixture195US 4,754,377 AThomas Industries, Inc. · 1988
- Modular lighting fixture155US 6,375,338 B1Power & Light, LLC · 2002
- Dual cone recessed lighting fixture149US 4,930,054 ANuTone Inc. · 1990