Patents by Inventor Yu-Nan Chen

Yu-Nan Chen 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: 20020144164
    Abstract: The present invention relates to an efficiency-raising and power-saving procedure and its devices which features the following steps: (a) an efficiency-raising device being series-connected between the AC power and an equipment for detecting the current value and the actual power of the equipment, and.
    Type: Application
    Filed: February 13, 2001
    Publication date: October 3, 2002
    Inventor: Yu-Nan Chen