F21V 23/008
The casing being outside the housing of the lighting device
Official title: {the casing being outside the housing of the lighting device}
F21V23/008 (The casing being outside the housing of the lighting device) appears on 592 US grants and 679 published applications in this corpus.
Search patents in F21V- Granted patents
- 592
- Published applications
- 679
- Assignees
- 315
- Inventors
- 1,248
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 2 | 8 |
| 2011 | 3 | 13 |
| 2012 | 6 | 25 |
| 2013 | 23 | 30 |
| 2014 | 20 | 39 |
| 2015 | 25 | 43 |
| 2016 | 34 | 61 |
| 2017 | 39 | 32 |
| 2018 | 41 | 43 |
| 2019 | 51 | 48 |
| 2020 | 51 | 56 |
| 2021 | 59 | 56 |
| 2022 | 65 | 53 |
| 2023 | 47 | 37 |
| 2024 | 38 | 46 |
| 2025 | 55 | 44 |
| 2026 | 24 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus, method, and system for retrofitting a lighting system with uplighting3 Sep 2026US 2026/0258915 A1Musco Corporation
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Most cited
By later US patents
- Actively cooled lighting trim apparatus130US 6,095,671 A2000
- Modular light fixture with power pack and radiative, conductive, and convective cooling114US 7,628,506 B2Orion Energy Systems, Inc. · 2009
- Retrofit light fixture105US 5,580,158 A1996
- Auto commissioning lighting fixture91US 8,829,821 B2Cree, Inc. · 2014
- Lighting fixture for automated grouping81US 9,155,165 B2Cree, Inc. · 2015