Patents by Inventor Hongshun Li

Hongshun Li 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).

  • Fine solids separator
    Patent number: 6581783
    Abstract: A fine solids separator 10 including a hollow housing 12 having a generally cylindrical wall 11. Located within the housing 12 is a cylindrical screen member 15 that is preferably formed of expanded metal mesh. The screen member 15 encloses a chamber 22 to which a flocculated sewage is delivered by means of an inlet duct 23. Located within the chamber 22 is an impeller 26 which at least aids circulation of liquid within the chamber 22 about the longitudinal axis of the chamber 22. Liquid leaves the chamber 22 via the screen member 15 and an outlet 25 extending from an outlet chamber 24 located between the member 15 and housing 12.
    Type: Grant
    Filed: May 17, 2001
    Date of Patent: June 24, 2003
    Assignee: CDS PTY LTD
    Inventors: Paul George Blanche, Brian Philip Formby, Hongshun Li
  • Fine solids separator
    Publication number: 20020008060
    Abstract: A fine solids separator 10 including a hollow housing 12 having a generally cylindrical wall 11. Located within the housing 12 is a cylindrical screen member 15 that is preferably formed of expanded metal mesh. The screen member 15 encloses a chamber 22 to which a flocculated sewage is delivered by means of an inlet duct 23. Located within the chamber 22 is an impeller 26 which at least aids circulation of liquid within the chamber 22 about the longitudinal axis of the chamber 22. Liquid leaves the chamber 22 via the screen member 15 and an outlet 25 extending from an outlet chamber 24 located between the member 15 and housing 12.
    Type: Application
    Filed: May 17, 2001
    Publication date: January 24, 2002
    Inventors: Paul Lerlie BLANCHE, Brian Philip Formby, Hongshun Li