F21V 25/00
Safety devices structurally associated with lighting devices
Official title: Safety devices structurally associated with lighting devices (gas- tight or water-tight arrangements F21V31/00; in general F16P; protective circuit arrangements per se H02H7/00)
F21V25/00 (Safety devices structurally associated with lighting devices) appears on 1,089 US grants and 890 published applications in this corpus.
Search patents in F21V- Granted patents
- 1,089
- Published applications
- 890
- Assignees
- 510
- Inventors
- 1,842
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 11 | 0 |
| 1985 | 6 | 0 |
| 1986 | 11 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 10 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 13 | 0 |
| 1996 | 15 | 0 |
| 1997 | 12 | 0 |
| 1998 | 29 | 0 |
| 1999 | 21 | 0 |
| 2000 | 25 | 0 |
| 2001 | 22 | 4 |
| 2002 | 20 | 14 |
| 2003 | 9 | 13 |
| 2004 | 12 | 15 |
| 2005 | 14 | 24 |
| 2006 | 17 | 24 |
| 2007 | 11 | 22 |
| 2008 | 13 | 26 |
| 2009 | 16 | 36 |
| 2010 | 25 | 28 |
| 2011 | 20 | 36 |
| 2012 | 23 | 35 |
| 2013 | 30 | 47 |
| 2014 | 44 | 42 |
| 2015 | 25 | 36 |
| 2016 | 40 | 70 |
| 2017 | 54 | 81 |
| 2018 | 76 | 58 |
| 2019 | 83 | 59 |
| 2020 | 57 | 53 |
| 2021 | 47 | 47 |
| 2022 | 54 | 42 |
| 2023 | 33 | 31 |
| 2024 | 43 | 20 |
| 2025 | 24 | 15 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Installation of automobile accessory light fixture mitigating RF emissions6 Oct 2026US 12,753,915 B2Putco, Inc.
- 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
- Luminaire, especially for an explosive environment30 Jul 2026US 2026/0218892 A1Doublepower!! S.R.O.
- Fireproof lighting structure with message sending capability16 Jul 2026US 2026/0202050 A1Ledvance GmbH
- Commercial Light Fixtures Using Sustainable Materials and Related Methods2 Jul 2026US 2026/0185684 A1
- Intelligent luminous data cable2 Jul 2026US 2026/0185694 A1Shenzhen Rongda Xiucai Technology Co., Ltd.
- Laser-phosphor based stage-lighting fixture providing ctt control28 May 2026US 2026/0146728 A1Signify Holding B. V.
Most cited
By later US patents
- LED replacement for fluorescent lighting371US 6,860,628 B22005
- LED retrolift lamp for exit signs344US 5,726,535 A1998
- Modular lighting fixture225US 5,738,436 AM.G. Products, Inc. · 1998
- Encapsulated explosion-proof pilot light221US 5,821,695 AAppleton Electric Company · 1998
- Thermally protected recessed lighting fixture195US 4,754,377 AThomas Industries, Inc. · 1988