Patents by Inventor Lang Rih Luo

Lang Rih Luo 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).

  • Varistor with three parallel ceramic layer
    Patent number: 7623019
    Abstract: The present invention discloses a varistor which comprises three parallel ceramic layers. Each of the ceramic layers has two electrodes on both sides thereof. Four leads are properly arranged between and outside surfaces of the ceramic layers to contact with these electrodes. By further providing one or two wires to connect these leads, the three- or single-phase power sources can be protected in a safer manner.
    Type: Grant
    Filed: May 8, 2006
    Date of Patent: November 24, 2009
    Assignee: Energetic Technology Co.
    Inventor: Lang Rih Luo