Patents by Inventor Paul Pei-Yung Hu

Paul Pei-Yung Hu 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).

  • Electrolytic wastewater treatment apparatus
    Patent number: 6554977
    Abstract: A method and apparatus for purifying aqueous effluent streams to reduce chemical oxygen demand thereof, where the method comprises direct oxidation of water-soluble organic material in an electrochemical cell that incorporates stainless steel electrodes, whose stability and lifetime are enhanced by inclusion of circulating metal chips.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: April 29, 2003
    Inventors: Clyde Kuen-Hua Hu, Paul Pei-Yung Hu, Patrick Pei-Chih Hu
  • Electrolytic wastewater treatment apparatus
    Publication number: 20010040102
    Abstract: A method and apparatus for purifying aqueous effluent streams to reduce chemical oxygen demand thereof, where the method comprises direct oxidation of water-soluble organic material in an electrochemical cell that incorporates stainless steel electrodes, whose stability and lifetime are enhanced by inclusion of circulating metal chips.
    Type: Application
    Filed: May 15, 2001
    Publication date: November 15, 2001
    Inventors: Clyde Kuen-Hua Hu, Paul Pei-Yung Hu, Patrick Pei-Chih Hu
  • Electrolytic wastewater treatment method and apparatus
    Patent number: 6274028
    Abstract: A method and apparatus for purifying aqueous effluent streams to reduce chemical oxygen demand thereof, where the method comprises direct oxidation of water-soluble organic material in an electrochemical cell that incorporates stainless steel electrodes, whose stability and lifetime are enhanced by inclusion of circulating metal chips.
    Type: Grant
    Filed: April 23, 1999
    Date of Patent: August 14, 2001
    Inventors: Clyde Kuen-Hua Hu, Paul Pei-Yung Hu, Patrick Pei-Chih Hu