Patents by Inventor Chiang-Mao Chung

Chiang-Mao Chung 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).

  • Patent number: 7218089
    Abstract: The method and apparatus for implementing the same phase power supply scheme of the present invention is to utilize means selecting one phase from the three source lines, and supplying power only to the load at single phase line with the neutral line as a return (grounded) line, meanwhile de-energizing the loads of three phase lines at the demand side automatically during a period of time of power shortage.
    Type: Grant
    Filed: June 11, 2004
    Date of Patent: May 15, 2007
    Inventors: Tai-Jou Chen, Tsai-Hsiang Chen, Chiang-Mao Chung, I Chang
  • Publication number: 20050018460
    Abstract: The method and apparatus for implementing the same phase power supply scheme of the present invention is to utilize means selecting one phase from the three source lines, and supplying power only to the load at single phase line with the neutral line as a return (grounded) line, meanwhile de-energizing the loads of three phase lines at the demand side automatically during a period of time of power shortage.
    Type: Application
    Filed: June 11, 2004
    Publication date: January 27, 2005
    Inventors: Tai-Jou Chen, Tsai-Hsiang Chen, Chiang-Mao Chung, I Chang