B60Q 3/46
Emergency lighting
Official title: Emergency lighting, e.g. for escape routes
B60Q3/46 (Emergency lighting) appears on 53 US grants and 53 published applications in this corpus.
Search patents in B60Q- Granted patents
- 53
- Published applications
- 53
- Assignees
- 31
- Inventors
- 105
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 3 |
| 2009 | 2 | 1 |
| 2010 | 0 | 4 |
| 2011 | 0 | 3 |
| 2012 | 2 | 2 |
| 2013 | 3 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 5 |
| 2016 | 5 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 3 |
| 2019 | 2 | 0 |
| 2020 | 1 | 6 |
| 2021 | 2 | 5 |
| 2022 | 7 | 2 |
| 2023 | 4 | 4 |
| 2024 | 3 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Autonomous unit for emergency lighting system for aircraft, eVTOLs, VTOLs and rotorcraft24 Feb 2026US 12,559,242 B2Embraer S.A.
- Escape route marking in vehicles4 Feb 2025US 12,214,897 B2Lufthansa Technik AG
- Emergency lighting element4 Feb 2025US 12,217,599 B2Lufthansa Technik AG
- Flexible lighting strips29 Oct 2024US 12,129,979 B2Stg Aerospace Limited
- Lighting system for aircraft9 Apr 2024US 11,952,143 B2Saf-T-Glo Limited
- Aircraft emergency exit guidance lighting system for enhanced passenger safety17 Jul 2025US 2025/0229708 A1Goodrich Lighting Systems GmbH
- Autonomous Unit for Emergency Lighting System for Aircraft, eVTOLs, VTOLs and Rotorcraft19 Sep 2024US 2024/0308672 A1Embraer S.A.
- Emergency lighting element4 Jul 2024US 2024/0221478 A1Lufthansa Technik AG
- Flexible lighting strips14 Dec 2023US 2023/0400161 A1Saf-T-Glo Limited
- Lighting system for aircraft2 Nov 2023US 2023/0348096 A1Saf-T-Glo Limited
Most cited
By later US patents
- Aeroplane cabin lighting arrangement131US 6,203,180 B1Diehl Striftung & Co. · 2001
- Lighting system128US 5,499,170 A1996
- Aircraft LED dome light having rotatably releasable housing mounted within mounting flange111US 7,566,154 B2B/E Aerospace, Inc. · 2009
- Emergency lighting110US 5,961,072 ASaf-T-Glo Limited · 1999
- Lighting strip apparatus for visually guiding the occupants of a structure100US 4,794,373 ACollins & Aikman Corporation · 1988