F21V 29/58
Characterised by the coolants
Official title: characterised by the coolants
F21V29/58 (Characterised by the coolants) appears on 142 US grants and 201 published applications in this corpus.
Search patents in F21V- Granted patents
- 142
- Published applications
- 201
- Assignees
- 101
- Inventors
- 262
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 3 |
| 2006 | 1 | 3 |
| 2007 | 2 | 8 |
| 2008 | 3 | 4 |
| 2009 | 1 | 8 |
| 2010 | 3 | 11 |
| 2011 | 5 | 18 |
| 2012 | 10 | 24 |
| 2013 | 18 | 29 |
| 2014 | 26 | 33 |
| 2015 | 14 | 6 |
| 2016 | 14 | 10 |
| 2017 | 8 | 11 |
| 2018 | 7 | 5 |
| 2019 | 5 | 2 |
| 2020 | 3 | 5 |
| 2021 | 2 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 2 |
| 2024 | 6 | 4 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic module group23 Jun 2026US 12,663,146 B2Lumien Enterprise, Inc.
- System and device with laser array illumination13 May 2025US 12,302,043 B2Guangyi (Xiamen) Technology Co., Ltd.
- Electronic module group8 Apr 2025US 12,270,535 B2Lumien Inc.
- Light fitting8 Apr 2025US 12,270,536 B2Wietse Beheer B.V.
- Water-cooled high-power LED module25 Feb 2025US 12,234,978 B2Shenzhen Leaflife Technology Co., Ltd.
- Electronic module group17 Sep 2026US 2026/0276187 A1Lumien Enterprise, Inc.
- Led system and method with remote heat dissipation unit2 Jul 2026US 2026/0185691 A1NBCUniversal Media, LLC
- Electronic module group19 Jun 2025US 2025/0198609 A1Lumien Enterprise, Inc.
- Fluid-cooled led-based lighting methods and apparatus in close proximity grow systems for controlled environment horticulture17 Apr 2025US 2025/0122996 A1Agnetix, Inc.
- Electronic module group13 Mar 2025US 2025/0084988 A1Lumien Enterprise, Inc.
Most cited
By later US patents
- Lighting units429US 5,890,794 A1999
- Thermally efficient LED bulb177US 7,086,767 B2Osram Sylvania Inc. · 2006
- Decorative light tubing125US 4,271,458 ATivoli Industries, Inc. · 1981
- Submersible LED light fixture96US 7,303,301 B2Nexxus Lighting, Inc. · 2007
- Partitioned heatsink for improved cooling of an LED bulb78US 8,740,415 B2Switch Bulb Company, Inc. · 2014