F21V 21/044
With elastically deformable elements
Official title: {with elastically deformable elements, e.g. spring tongues}
F21V21/044 (With elastically deformable elements) appears on 199 US grants and 222 published applications in this corpus.
Search patents in F21V- Granted patents
- 199
- Published applications
- 222
- Assignees
- 134
- Inventors
- 414
- 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 4 |
| 2010 | 3 | 6 |
| 2011 | 0 | 3 |
| 2012 | 2 | 5 |
| 2013 | 4 | 14 |
| 2014 | 6 | 3 |
| 2015 | 7 | 15 |
| 2016 | 9 | 7 |
| 2017 | 6 | 16 |
| 2018 | 15 | 22 |
| 2019 | 23 | 20 |
| 2020 | 26 | 21 |
| 2021 | 17 | 21 |
| 2022 | 24 | 15 |
| 2023 | 19 | 14 |
| 2024 | 8 | 11 |
| 2025 | 14 | 9 |
| 2026 | 10 | 11 |
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
- Angle-adjustable lamp21 Jul 2026US 12,687,283 B2Ningbo Jinghui Opto-Electronic Co., Ltd.
- Downlight with screw-free fixation structure14 Jul 2026US 12,680,680 B2Xiamen PVTECH Co., Ltd.
- Height adjustable ceiling mount for linear light fixture14 Jul 2026US 12,680,682 B2Diem GmbH
- Lamp installed by quick plugging and implementation method thereof30 Jun 2026US 12,669,227 B2Hengdian Group Tospo Lighting Co., Ltd.
- Lighting apparatus1 Oct 2026US 2026/0298451 A1Leedarson Lighting Co., Ltd.
- Luminaire assembly20 Aug 2026US 2026/0243410 A1Signify Holding B. V.
- 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
- Circuit cartridge16 Apr 2026US 2026/0104155 A1Wangs Alliance Corporation
Most cited
By later US patents
- 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
- LED module with mounting pads75US 9,605,842 B1Cooper Lighting, LLC · 2017