Patents by Inventor Liu, Wei Liu, Wei

Liu, Wei Liu, Wei has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20200166204
    Abstract: A light bulb apparatus has a bulb shell, LED modules, a light source plate, an inner tube and an outer cup. The light source plate has a substrate plate. The substrate plate and the inner tube are made of heat dissipation material like metal material. There is a pressing portion of a lateral side of the substrate plate pressing against an inner side of the inner tube part and there is a spacing portion of the lateral side of the substrate plate not engaging the inner side of the inner tube. The outer cup part has top part and a bottom part. The inner cup is placed inside the top part of the outer cup and pressing against the outer cup.
    Type: Application
    Filed: November 29, 2019
    Publication date: May 28, 2020
    Inventors: Maojin Zeng, Qiyuan Wang, Liangliang Cao, Yongjun Bao, Wenchang Huang, Liping Lin, Yunnan Lin, Bin Liu, Huiwu Chen, Liu, Wei Liu, Wei