Patents by Inventor Tong-Fu Hsiao

Tong-Fu Hsiao 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: 7442295
    Abstract: The present invention provides a water purification and treatment apparatus using a combination of sedimentation, filtration, and bio-contact aeration processes, which comprises at least one rapid water purification filter having a hopper base for settled sludge and a filtering tank; at least one cylindrical settling basin for sedimentation and filtration; and at least one aeration basin having an under water and an over water bio-film contact parts, for rapidly filtering raw water or wastewater contacted with bio-contact aeration, and performing water purification and treatment.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: October 28, 2008
    Inventors: Jian-Rung Cheng, Tong-Fu Hsiao
  • Publication number: 20080011659
    Abstract: The present invention provides a water purification and treatment apparatus using a combination of sedimentation, filtration, and bio-contact aeration processes, which comprises at least one rapid water purification filter having a hopper base for settled sludge and a filtering tank; at least one cylindrical settling basin for sedimentation and filtration; and at least one aeration basin having an under water and an over water bio-film contact parts, for rapidly filtering raw water or wastewater contacted with bio-contact aeration, and performing water purification and treatment.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 17, 2008
    Inventors: Jian-Rung Cheng, Tong-Fu Hsiao