Patents by Inventor Tieniu Chen

Tieniu Chen 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: 7243912
    Abstract: A diffuser assembly for diffusing a fluid from a fluid source into a medium to aerate the medium. The diffuser assembly including a diffuser body in fluid communication with the fluid source and a membrane connected to the diffuser body. The membrane is circular and includes a slitting pattern divided into a series of similar angular segments. The segments are positioned adjacent each other in a circular arrangement to substantially cover the membrane. Each segment includes a plurality of rows each having a plurality of slits. The slits within the segment are arranged in a parallelogram pattern. A first line extending between adjacent slits in a common row is substantially the same length as a second line extending between adjacent slits in adjacent rows.
    Type: Grant
    Filed: February 24, 2005
    Date of Patent: July 17, 2007
    Assignee: Siemens Water Technologies Holding Corp.
    Inventors: Peter Petit, Tieniu Chen
  • Publication number: 20050184408
    Abstract: A diffuser assembly for diffusing a fluid from a fluid source into a medium to aerate the medium. The diffuser assembly including a diffuser body in fluid communication with the fluid source and a membrane connected to the diffuser body. The membrane is circular and includes a slitting pattern divided into a series of similar angular segments. The segments are positioned adjacent each other in a circular arrangement to substantially cover the membrane. Each segment includes a plurality of rows each having a plurality of slits. The slits within the segment are arranged in a parallelogram pattern. A first line extending between adjacent slits in a common row is substantially the same length as a second line extending between adjacent slits in adjacent rows.
    Type: Application
    Filed: February 24, 2005
    Publication date: August 25, 2005
    Applicant: USFilter Corporation
    Inventors: Peter Petit, Tieniu Chen