Liangju Wu

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Guangdong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Automatic installation mechanism, lamp having automatic installatio...
- Patent number 10,302,261
- Issue date May 28, 2019
- Liangju Wu
- F21 - LIGHTING
Information Patent Grant
Recessed light apparatus
- Patent number 10,125,965
- Issue date Nov 13, 2018
- Liangju Wu
- F21 - LIGHTING
Information Patent Grant
Recessed light apparatus
- Patent number 9,709,257
- Issue date Jul 18, 2017
- Liangju Wu
- F21 - LIGHTING
Information Patent Grant
Embedded type lamp with heat radiating device
- Patent number 8,517,568
- Issue date Aug 27, 2013
- Liangju Wu
- F21 - LIGHTING
Information Patent Grant
Fireproof light fixture
- Patent number 8,333,490
- Issue date Dec 18, 2012
- Liangju Wu
- F21 - LIGHTING
Information Patent Grant
Downlight
- Patent number D655035
- Issue date Feb 28, 2012
- Liangju Wu
- D26 - Lighting
Information Patent Grant
Fire-rated recessed downlight
- Patent number 7,470,048
- Issue date Dec 30, 2008
- Liangju Wu
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Recessed Light Apparatus
- Publication number 20170248298
- Publication date Aug 31, 2017
- Liangju Wu
- F21 - LIGHTING
Information Patent Application
Automatic Installation Mechanism, Lamp Having Automatic Installatio...
- Publication number 20170198870
- Publication date Jul 13, 2017
- Liangju Wu
- F21 - LIGHTING
Information Patent Application
Recessed Light Apparatus
- Publication number 20160084488
- Publication date Mar 24, 2016
- Liangju Wu
- F21 - LIGHTING
Information Patent Application
EMBEDDED TYPE LAMP WITH HEAT RADIATING DEVICE
- Publication number 20100265718
- Publication date Oct 21, 2010
- Liangju Wu
- F21 - LIGHTING
Information Patent Application
FIREPROOF LIGHT FIXTURE
- Publication number 20100214790
- Publication date Aug 26, 2010
- Liangju Wu
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Fire-Rated Recessed Downlight
- Publication number 20080158862
- Publication date Jul 3, 2008
- Liangju Wu
- F21 - LIGHTING