F21V 21/048
Mounting arrangements for fastening lighting devices to false ceiling frameworks
Official title: {Mounting arrangements for fastening lighting devices to false ceiling frameworks}
F21V21/048 (Mounting arrangements for fastening lighting devices to false ceiling frameworks) appears on 259 US grants and 250 published applications in this corpus.
Search patents in F21V- Granted patents
- 259
- Published applications
- 250
- Assignees
- 107
- Inventors
- 347
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 9 |
| 2010 | 6 | 6 |
| 2011 | 8 | 8 |
| 2012 | 12 | 10 |
| 2013 | 10 | 5 |
| 2014 | 10 | 6 |
| 2015 | 5 | 13 |
| 2016 | 10 | 9 |
| 2017 | 11 | 18 |
| 2018 | 18 | 19 |
| 2019 | 26 | 28 |
| 2020 | 26 | 17 |
| 2021 | 25 | 21 |
| 2022 | 24 | 20 |
| 2023 | 11 | 15 |
| 2024 | 8 | 16 |
| 2025 | 23 | 12 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Height adjustable ceiling mount for linear light fixture14 Jul 2026US 12,680,682 B2Diem GmbH
- Lighting device assembly with adjustment mechanism21 Apr 2026US 12,607,328 B2Troy-CSL Lighting, Inc.
- Downlight7 Apr 2026US 12,595,897 B1
- LED drop-ceiling lighting system and method10 Mar 2026US 12,571,510 B1
- Airframe system and method of controlling airflow8 Oct 2026US 2026/0306210 A1SLD Technology, Inc.
- Track-based lighting system8 Oct 2026US 2026/0309289 A1Signify Holding B. V.
- Adjustable electrical apparatus with hangar bars for installation in a building1 Oct 2026US 2026/0298424 A1DMF, Inc.
- Bezel for a light source17 Sep 2026US 2026/0276183 A1Animated LED Lighting, LLC
- Polymer housing for a lighting system and methods for using same7 May 2026US 2026/0126168 A1DMF, Inc.
Most cited
By later US patents
- Recessed lighting fixture208US 5,222,800 AThe Genlyte Group Incorporated · 1993
- Light emitting diode recessed light fixture164US 7,959,332 B2Cooper Technologies Company · 2011
- Dual cone recessed lighting fixture149US 4,930,054 ANuTone Inc. · 1990
- LED downlight147US 8,070,328 B1Koninkliljke Philips Electronics N.V. · 2011
- Modular recessed lighting system144US 5,588,737 AThomas Industries, Inc. · 1996