F21V 25/12
Flameproof or explosion-proof arrangements
F21V25/12 (Flameproof or explosion-proof arrangements) appears on 315 US grants and 269 published applications in this corpus.
Search patents in F21V- Granted patents
- 315
- Published applications
- 269
- Assignees
- 172
- Inventors
- 505
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 6 | 5 |
| 2003 | 3 | 5 |
| 2004 | 5 | 5 |
| 2005 | 5 | 8 |
| 2006 | 8 | 7 |
| 2007 | 3 | 9 |
| 2008 | 3 | 8 |
| 2009 | 3 | 7 |
| 2010 | 13 | 9 |
| 2011 | 9 | 10 |
| 2012 | 5 | 9 |
| 2013 | 9 | 9 |
| 2014 | 9 | 14 |
| 2015 | 4 | 13 |
| 2016 | 14 | 27 |
| 2017 | 16 | 25 |
| 2018 | 25 | 16 |
| 2019 | 18 | 11 |
| 2020 | 10 | 9 |
| 2021 | 10 | 15 |
| 2022 | 12 | 13 |
| 2023 | 11 | 11 |
| 2024 | 18 | 7 |
| 2025 | 10 | 8 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Lighting fixture14 Jul 2026US 12,680,687 B1ABL IP Holding LLC
- Mounting assembly for lighting apparatus and methods of installation thereof3 Feb 2026US 12,540,726 B2Gantri, Inc.
- Light-emitting diode (LED) luminaire assembly and methods2 Dec 2025US 12,486,967 B2Eaton Intelligent Power Limited
- Explosion protected luminaire4 Nov 2025US 12,460,794 B2Hubbell Incorporated
- Thermally managed hazardous location LED light fixture, assembly and methods without utilizing heat sinks10 Jun 2025US 12,326,250 B2Eaton Intelligent Power Limited
- 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.
- Mounting assembly for lighting apparatus and methods of installation thereof14 May 2026US 2026/0132914 A1Gantri, Inc.
Most cited
By later US patents
- LED replacement for fluorescent lighting371US 6,860,628 B22005
- Encapsulated explosion-proof pilot light221US 5,821,695 AAppleton Electric Company · 1998
- Sealed, inductively powered lamp assembly183US 5,264,997 ADominion Automotive Industries Inc. · 1993
- LED replacement for fluorescent lighting180US 7,114,830 B2Plastic Inventions and Patents, Inc. · 2006
- Troffer-style lighting fixture with specular reflector110US 8,905,575 B2Cree, Inc. · 2014