F21V 33/0076
Safety or security signalisation
Official title: {Safety or security signalisation, e.g. smoke or burglar alarms, earthquake detectors; Self-defence devices}
F21V33/0076 (Safety or security signalisation) appears on 419 US grants and 447 published applications in this corpus.
Search patents in F21V- Granted patents
- 419
- Published applications
- 447
- Assignees
- 223
- Inventors
- 687
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 1 |
| 2002 | 5 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 1 | 14 |
| 2006 | 7 | 7 |
| 2007 | 1 | 8 |
| 2008 | 6 | 17 |
| 2009 | 9 | 13 |
| 2010 | 8 | 19 |
| 2011 | 12 | 10 |
| 2012 | 16 | 26 |
| 2013 | 10 | 19 |
| 2014 | 18 | 19 |
| 2015 | 17 | 29 |
| 2016 | 24 | 36 |
| 2017 | 28 | 29 |
| 2018 | 33 | 29 |
| 2019 | 33 | 33 |
| 2020 | 37 | 27 |
| 2021 | 28 | 26 |
| 2022 | 22 | 21 |
| 2023 | 16 | 17 |
| 2024 | 15 | 13 |
| 2025 | 20 | 17 |
| 2026 | 10 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adjustable hidden panel for downlight attachment in metal ceiling22 Sep 2026US 12,742,538 B2Lucifer Lighting Company
- Bike horn with sound activated light18 Aug 2026US 12,710,172 B2Brightz, Ltd.
- System and method for providing an illuminating, visual indication of a specific physical location and situation11 Aug 2026US 12,705,961 B1
- Integrated ceiling device with mechanical arrangement for a light source14 Jul 2026US 12,680,668 B2Lighting Defense Group, LLC
- Tactical shield handle and lighting system14 Jul 2026US 12,680,790 B1Elzetta Design, LLC
- Vehicle, cap lamp system and methods for collision avoidance8 Oct 2026US 2026/0307585 A1Newtrax Technologies Inc.
- Integrated ceiling device with mechanical arrangement for a light source1 Oct 2026US 2026/0298440 A1Lighting Defense Group, LLC
- Security flashlights with threat detection20 Aug 2026US 2026/0243414 A1Smart Home Protection LLC
- Lighted Projectile18 Jun 2026US 2026/0168776 A1Axon Enterprise, Inc.
- Multifunctional keychain flashlight with integrated alarm30 Apr 2026US 2026/0117965 A1Lb Marketing, Inc.
Most cited
By later US patents
- Multi-functional tactical flashlight138US 5,931,562 A1999
- Lighting including integral communication apparatus135US 7,938,562 B2Altair Engineering, Inc. · 2011
- Multi-arm adjustable fluorescent lighting fixture108US 7,131,753 B1Edwards Enterprises · 2006
- Combination flashlight, smoke detector and emergency alarm103US 5,731,759 A1998
- Integrated lighting and detector units101US 7,649,472 B12010