Patents by Inventor Hongwu Pan

Hongwu Pan 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).

  • Turn-back flow EDI
    Patent number: 8173003
    Abstract: The present invention discloses a turn-back electrodeionization apparatus in which the central section of cation exchange membrane and anion exchange membrane constituting a dilute chamber is adhered along axial direction, and the dilute chamber is separated into an inner side dilute chamber unit and an outside dilute chamber unit, so that the dilute sequentially flows through the outside dilute chamber unit and inner side dilute chamber unit in a turn-back way.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: May 8, 2012
    Assignee: Zhejiang Omex Environmental Engineering Co., Ltd.
    Inventors: Xiang Li, Zhiming Tong, Hongwu Pan
  • Turn-Back Flow Edi
    Publication number: 20080105552
    Abstract: The present invention discloses a turn-back electrodeionization apparatus in which the central section of cation exchange membrane and anion exchange membrane constituting a dilute chamber is adhered along axial direction, and the dilute chamber is separated into an inner side dilute chamber unit and an outside dilute chamber unit, so that the dilute sequentially flows through the outside dilute chamber unit and inner side dilute chamber unit in a turn-back way.
    Type: Application
    Filed: November 2, 2005
    Publication date: May 8, 2008
    Inventors: Xiang Li, Zhiming Tong, Hongwu Pan