F21V 21/047
Mounting arrangements with fastening means engaging the inner surface of a hole
Official title: {Mounting arrangements with fastening means engaging the inner surface of a hole in a ceiling or wall, e.g. for solid walls or for blind holes}
F21V21/047 (Mounting arrangements with fastening means engaging the inner surface of a hole) appears on 207 US grants and 210 published applications in this corpus.
Search patents in F21V- Granted patents
- 207
- Published applications
- 210
- Assignees
- 114
- Inventors
- 333
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 6 | 17 |
| 2016 | 8 | 10 |
| 2017 | 13 | 17 |
| 2018 | 16 | 22 |
| 2019 | 24 | 15 |
| 2020 | 29 | 17 |
| 2021 | 14 | 17 |
| 2022 | 23 | 21 |
| 2023 | 18 | 18 |
| 2024 | 15 | 21 |
| 2025 | 16 | 16 |
| 2026 | 20 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Integrated ceiling and light system17 Sep 2026US 2026/0276162 A1Armstrong World Industries, Inc.
- A collar for a recessed fixture9 Jul 2026US 2026/0194214 A1
- Modular lighting system with clips30 Apr 2026US 2026/0117959 A1
- Spring system for mounting a ceiling fixture16 Apr 2026US 2026/0104158 A1ABL IP Holding LLC
- Systems and methods for trim retainment using repelling magnets5 Mar 2026US 2026/0063283 A1Signify Holding B. V.
Most cited
By later US patents
- Light transmissive trim plate for recessed lighting fixture119US 5,826,970 AEffetre U.S.A. · 1998
- Low profile light and accessory kit for the same118US 8,672,518 B2Lighting Science Group Corporation · 2014
- LED fixture with integrated driver circuitry102US 9,310,038 B2Cree, Inc. · 2016
- Thin profile surface mount lighting apparatus78US 10,488,000 B2DMF, Inc. · 2019
- LED downlight69US 9,140,441 B2Cree, Inc. · 2015