F21V 29/508
Of electrical circuits
Official title: of electrical circuits
F21V29/508 (Of electrical circuits) appears on 338 US grants and 410 published applications in this corpus.
Search patents in F21V- Granted patents
- 338
- Published applications
- 410
- Assignees
- 194
- Inventors
- 702
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 1 | 2 |
| 2010 | 1 | 5 |
| 2011 | 0 | 4 |
| 2012 | 5 | 11 |
| 2013 | 3 | 17 |
| 2014 | 8 | 18 |
| 2015 | 13 | 21 |
| 2016 | 20 | 23 |
| 2017 | 14 | 26 |
| 2018 | 26 | 35 |
| 2019 | 40 | 51 |
| 2020 | 79 | 57 |
| 2021 | 29 | 25 |
| 2022 | 18 | 21 |
| 2023 | 21 | 24 |
| 2024 | 22 | 28 |
| 2025 | 20 | 15 |
| 2026 | 14 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED lamp29 Sep 2026US 12,747,856 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Modular multi-light source glare-shielding structure and light source module using the same8 Sep 2026US 12,729,830 B1Huizhou Hanxing Optoelectronics Technology Co., Ltd.
- Electronic assembly4 Aug 2026US 12,698,893 B2Signify Holding B. V.
- Fan cooled portable light panel21 Jul 2026US 12,687,287 B2Videndum Production Solutions Inc.
- Lens for retrofitting a lighting system with LED lights21 Jul 2026US 12,690,120 B2
- Composite printed circuit board apparatus8 Oct 2026US 2026/0309319 A1Whelen Engineering Company, Inc.
- Led device and led light fixture8 Oct 2026US 2026/0309321 A1Shanghai Weili Advanced Electronic Technology Co., Ltd.
- Integrated ceiling device with mechanical arrangement for a light source1 Oct 2026US 2026/0298440 A1Lighting Defense Group, LLC
- Surgical eyewear lighting systems and methods3 Sep 2026US 2026/0256542 A1Hawkeye Surgical Lighting, Inc.
- Cooling fingers as a sustainable and reliable solution for led drivers20 Aug 2026US 2026/0243416 A1Signify Holding B. V.
Most cited
By later US patents
- Modular light fixture with power pack and radiative, conductive, and convective cooling114US 7,628,506 B2Orion Energy Systems, Inc. · 2009
- Lighting device91US 8,226,270 B2Sharp Kabushiki Kaisha · 2012
- Lamp with heat conducting structure and lamp cover thereof68US 7,771,082 B2Cooler Master Co., Ltd. · 2010
- LED lighting device having a prolonged life during high temperature operation68US 9,791,111 B1Chicony Power Technology Co., Ltd. · 2017
- LED module64US 9,534,751 B2Mag Instruments, Inc. · 2017