F21V 21/043
Actuated by screwing
Official title: {actuated by screwing}
F21V21/043 (Actuated by screwing) appears on 53 US grants and 50 published applications in this corpus.
Search patents in F21V- Granted patents
- 53
- Published applications
- 50
- Assignees
- 40
- Inventors
- 104
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 3 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 3 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 2 |
| 2018 | 5 | 4 |
| 2019 | 4 | 5 |
| 2020 | 6 | 5 |
| 2021 | 6 | 1 |
| 2022 | 2 | 3 |
| 2023 | 4 | 4 |
| 2024 | 2 | 4 |
| 2025 | 7 | 4 |
| 2026 | 4 | 3 |
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
- Adjustable hidden panel for downlight attachment in metal ceiling22 Sep 2026US 12,742,538 B2Lucifer Lighting Company
- Angle-adjustable lamp21 Jul 2026US 12,687,283 B2Ningbo Jinghui Opto-Electronic Co., Ltd.
- Lighting device assembly with adjustment mechanism21 Apr 2026US 12,607,328 B2Troy-CSL Lighting, Inc.
- Trim retention assemblies for recessed luminaires23 Dec 2025US 12,504,153 B2Signify Holding B. V.
- Trimless Canopy for Lighting Fixture12 Mar 2026US 2026/0071738 A1Allied Maker, LLC
- Lighting device assembly with adjustment mechanism29 Jan 2026US 2026/0029110 A1Troy-CSL Lighting, Inc.
- Adjustable Hidden Panel For Downlight Attachment In Metal Ceiling29 Jan 2026US 2026/0029115 A1Lucifer Lighting Company
- Angle-adjustable lamp19 Jun 2025US 2025/0198607 A1Ningbo Jinghui Opto-Electronic Co., Ltd.
- Suspended Ceiling System With A Light Fixature Assembly22 May 2025US 2025/0164098 A1Lucifer Lighting Company
Most cited
By later US patents
- Encapsulated explosion-proof pilot light221US 5,821,695 AAppleton Electric Company · 1998
- Recessed light can height adjustment23US 7,530,717 B2Genlyte Thomas Group LLC · 2009
- Controlled environment light fixture21US 9,897,305 B22018
- Pathway illumination devices, methods, and systems17US 9,091,416 B1Deepsea Power & Light, Inc. · 2015
- Thermal insulating and impact resistant indicator light apparatus14US 6,069,447 AEGS Electrical Group LLC · 2000