Patents by Inventor Senwen Wang

Senwen Wang 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).

  • Automatic shading electric welding lens comprising a liquid crystal plate and a time-delay switch
    Patent number: 8953104
    Abstract: An automatic shading electric welding lens comprises a view window and a side frame. The view window is composed of an optical filter and a liquid crystal sheet sequentially overlapped. The automatic shading electric welding lens is provided with an illuminating device. The illuminating device includes a lighting body, a switch and a power supply electrically connected to each other to form a loop. The lighting body is arranged on a surface of the side frame facing a welding object. The lighting body is a light emitting diode. The switch is a time-delay switch.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: February 10, 2015
    Assignee: Hangzhou Rainbow Electronic Co., Ltd.
    Inventors: Xiangdong Ge, Senwen Wang
  • Automatic shading electric welding lens comprising a liquid crystal plate and a time-delay switch
    Patent number: 8836871
    Abstract: An automatic shading electric welding lens comprises a view window and a side frame. The view window is composed of an optical filter and a liquid crystal sheet sequentially overlapped. The automatic shading electric welding lens is provided with an illuminating device. The illuminating device includes a lighting body, a switch and a power supply electrically connected to each other to form a loop. The lighting body is arranged on a surface of the side frame facing a welding object. The lighting body is a light emitting diode. The switch is a time-delay switch.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: September 16, 2014
    Assignee: Hangzhou Rainbow Electric Co., Ltd.
    Inventors: Xiangdong Ge, Senwen Wang
  • AUTOMATIC SHADING ELECTRIC WELDING LENS
    Publication number: 20110176072
    Abstract: An automatic shading electric welding lens comprises a view window and a side frame. The view window is composed of an optical filter and a liquid crystal sheet sequentially overlapped. The automatic shading electric welding lens is provided with an illuminating device. The illuminating device includes a lighting body, a switch and a power supply electrically connected to each other to form a loop. The lighting body is arranged on a surface of the side frame facing a welding object. The lighting body is a light emitting diode. The switch is a time-delay switch.
    Type: Application
    Filed: April 4, 2011
    Publication date: July 21, 2011
    Applicant: HANGZHOU RAINBOW ELECTRONIC CO., LTD.
    Inventors: Xiangdong Ge, Senwen Wang