F21K 9/278
Arrangement or mounting of circuit elements integrated in the light source
F21K9/278 (Arrangement or mounting of circuit elements integrated in the light source) appears on 607 US grants and 664 published applications in this corpus.
Search patents in F21K- Granted patents
- 607
- Published applications
- 664
- Assignees
- 178
- Inventors
- 799
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 0 | 3 |
| 2009 | 4 | 3 |
| 2010 | 1 | 19 |
| 2011 | 1 | 16 |
| 2012 | 10 | 15 |
| 2013 | 18 | 36 |
| 2014 | 16 | 29 |
| 2015 | 24 | 32 |
| 2016 | 46 | 69 |
| 2017 | 76 | 103 |
| 2018 | 69 | 67 |
| 2019 | 91 | 80 |
| 2020 | 66 | 65 |
| 2021 | 60 | 35 |
| 2022 | 44 | 22 |
| 2023 | 23 | 16 |
| 2024 | 29 | 24 |
| 2025 | 13 | 14 |
| 2026 | 12 | 8 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- LED lamp and misuse warning module thereof29 Sep 2026US 12,747,836 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- LED tube lamp4 Aug 2026US 12,698,871 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- LED lighting device4 Aug 2026US 12,698,872 B2Xiamen PVTECH Co., Ltd.
- LED lamp, integrated circuit and power supply module thereof21 Jul 2026US 12,687,265 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Lens for retrofitting a lighting system with LED lights21 Jul 2026US 12,690,120 B2
- Emergency lighting device with detachable end caps20 Aug 2026US 2026/0243396 A1Xiamen PVTECH Co., Ltd.
- Led tube lamp20 Aug 2026US 2026/0243397 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
- Light-emitting diode tube light having a flexible circuit board connection structure11 Jun 2026US 2026/0160395 A1Xiamen PVTECH Co., Ltd.
- Led lighting device7 May 2026US 2026/0126162 A1Xiamen PVTECH Co., Ltd.
- Extended knuckle, snout, and aiming device for retrofitting a lighting system with led lights26 Mar 2026US 2026/0089832 A1Musco Corporation
Most cited
By later US patents
- LED retrofit lamp317US 6,853,151 B2DeNovo Lighting, LLC · 2005
- Retrofit LED lamp for fluorescent fixtures without ballast310US 7,507,001 B2DeNovo Lighting, LLC · 2009
- Light tube and power supply circuit300US 7,049,761 B2Altair Engineering, Inc. · 2006
- Tubular housing with light emitting diodes273US 6,762,562 B2DeNovo Lighting, LLC · 2004
- LED lighting device for replacing fluorescent tubes268US 7,510,299 B2Altair Engineering, Inc. · 2009