Patents by Inventor Hengyao Cao

Hengyao Cao 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: 20180195672
    Abstract: This invention relates to technical field of LED lighting, disclosing a LED light bulb including a bulb housing, at least two LED light sources provided onto the inner wall of the bulb housing, a lamp holder connected to the bulb housing and a shielding member provided onto the outer wall of the bulb housing. The shielding member matches with the LED light source in shape and position. The LED light sources located at the inner wall of the bulb housing are equidistant. The LED light source includes a substrate and a LED component provided on the substrate. The substrate matches with the bulb housing in shape. In the provided LED light bulb, the shielding member is disposed onto the outer wall of the bulb, having positions match with the LED light source with equal intervals. The LED light bulb may achieve the full-circumference lighting and more even light emission.
    Type: Application
    Filed: June 30, 2017
    Publication date: July 12, 2018
    Inventors: Bin Wei, Yiguang Zhu, Junjie Zhao, Hengyao Cao
  • Patent number: D831238
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: October 16, 2018
    Assignee: FOSHAN ELECTRICAL AND LIGHTING CO., LTD
    Inventors: Bin Wei, Yiguang Zhu, Junjie Zhao, Hengyao Cao
  • Patent number: D831241
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: October 16, 2018
    Assignee: FOSHAN ELECTRICAL AND LIGHTING CO., LTD
    Inventors: Bin Wei, Yiguang Zhu, Junjie Zhao, Hengyao Cao
  • Patent number: D832469
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: October 30, 2018
    Assignee: FOSHAN ELECTRICAL AND LIGHTING CO., LTD
    Inventors: Bin Wei, Yiguang Zhu, Junjie Zhao, Hengyao Cao
  • Patent number: D833039
    Type: Grant
    Filed: August 4, 2017
    Date of Patent: November 6, 2018
    Assignee: FOSHAN ELECTRICAL AND LIGHTING CO., LTD
    Inventors: Bin Wei, Yiguang Zhu, Junjie Zhao, Hengyao Cao