F21V 29/57
Characterised by control arrangements
Official title: characterised by control arrangements
F21V29/57 (Characterised by control arrangements) appears on 36 US grants and 37 published applications in this corpus.
Search patents in F21V- Granted patents
- 36
- Published applications
- 37
- Assignees
- 31
- Inventors
- 81
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 2 | 2 |
| 2018 | 3 | 3 |
| 2019 | 5 | 2 |
| 2020 | 3 | 3 |
| 2021 | 5 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 5 | 3 |
| 2025 | 1 | 2 |
| 2026 | 0 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Solar simulator apparatus28 Oct 2025US 12,455,054 B2Ecoprogetti S.R.L.
- Light source and method for operating a light source23 Jul 2024US 12,044,393 B2Excelitas Noblelight GmbH
- Leakproof structure of the lamp holder of the infrared lamp tube16 Jul 2024US 12,038,165 B2
- Infrared lamp tube heat dissipation automatic control system21 May 2024US 11,988,372 B2
- Fluid-cooled LED-based lighting methods and apparatus in close proximity grow systems for Controlled Environment Horticulture14 May 2024US 11,982,433 B2Agnetix, Inc.
- Installation with sealing device for a lamp26 Mar 2026US 2026/0085830 A1Claranor
- Programmable lighting system with adaptive spectrum control for optimized plant growth15 Jan 2026US 2026/0013443 A1Chlorophysics, LLC
- Vehicle Lamp and Vehicle1 May 2025US 2025/0137612 A1Shenzhen Yinwang Intelligent Technologies Co., Ltd.
- Fluid-cooled led-based lighting methods and apparatus in close proximity grow systems for controlled environment horticulture17 Apr 2025US 2025/0122996 A1Agnetix, Inc.
- Solar simulator apparatus30 May 2024US 2024/0175557 A1Ecoprogetti S.R.L.
Most cited
By later US patents
- High efficiency solid-state light source and methods of use and manufacture122US 8,192,053 B2Phoseon Technology, Inc. · 2012
- LED light bulbs31US 8,596,821 B2Cree, Inc. · 2013
- LED light bulbs27US 8,858,029 B2Cree, Inc. · 2014
- LED light having LED cluster arrangements9US 9,115,876 B1Global Tech Led Holdings, LLC · 2015
- Intelligent manifold assemblies for a light source, light sources including intelligent manifold assemblies, and methods of operating the same6US 9,644,831 B2Heraeus Noblelight America LLC · 2017