F21V 21/041
Mounting arrangements specially adapted for false ceiling panels or partition walls made
Official title: {Mounting arrangements specially adapted for false ceiling panels or partition walls made of plates (F21V21/047 takes precedence)}
F21V21/041 (Mounting arrangements specially adapted for false ceiling panels or partition walls made) appears on 346 US grants and 380 published applications in this corpus.
Search patents in F21V- Granted patents
- 346
- Published applications
- 380
- Assignees
- 199
- Inventors
- 635
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 4 |
| 2009 | 3 | 4 |
| 2010 | 3 | 6 |
| 2011 | 1 | 6 |
| 2012 | 3 | 10 |
| 2013 | 9 | 20 |
| 2014 | 8 | 8 |
| 2015 | 12 | 22 |
| 2016 | 13 | 14 |
| 2017 | 15 | 28 |
| 2018 | 28 | 39 |
| 2019 | 43 | 40 |
| 2020 | 46 | 33 |
| 2021 | 38 | 41 |
| 2022 | 35 | 28 |
| 2023 | 28 | 20 |
| 2024 | 18 | 22 |
| 2025 | 20 | 17 |
| 2026 | 16 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cylindrical light fixture29 Sep 2026US 12,747,855 B1
- Lighting fixture22 Sep 2026US 12,742,527 B2QTran, Inc.
- Adjustable hidden panel for downlight attachment in metal ceiling22 Sep 2026US 12,742,538 B2Lucifer Lighting Company
- Wireless controllable lighting device18 Aug 2026US 12,710,160 B2Lutron Technology Company LLC
- Angle-adjustable lamp21 Jul 2026US 12,687,283 B2Ningbo Jinghui Opto-Electronic Co., Ltd.
- Lighting apparatus1 Oct 2026US 2026/0298451 A1Leedarson Lighting Co., Ltd.
- Luminaire assembly20 Aug 2026US 2026/0243410 A1Signify Holding B. V.
- Modular, recessed lighting system16 Jul 2026US 2026/0202022 A1Visual Comfort & Co.
- Polymer housing for a lighting system and methods for using same7 May 2026US 2026/0126168 A1DMF, Inc.
- Modular lighting system with clips30 Apr 2026US 2026/0117959 A1
Most cited
By later US patents
- Encapsulated explosion-proof pilot light221US 5,821,695 AAppleton Electric Company · 1998
- LED fixture with integrated driver circuitry102US 9,310,038 B2Cree, Inc. · 2016
- Recessed LED lighting fixture101US 8,454,204 B1Cordelia Lighting, Inc. · 2013
- Lighting fixture with recessed baffle trim unit90US 8,182,116 B2Cordelia Lighting, Inc. · 2012
- Simple mounting for electrical fixture80US 4,760,510 A1988