Patents by Inventor Xing-Guo Shen

Xing-Guo Shen 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).

  • Conduit fitting ring
    Patent number: D633872
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: March 8, 2011
    Assignee: Royal Group Inc.
    Inventors: Xing-Guo Shen, Lorne Smyth, John Kehren
  • Conduit fitting ring
    Patent number: D634712
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: March 22, 2011
    Assignee: Royal Group Inc.
    Inventors: Xing-Guo Shen, Lorne Smyth, John Kehren
  • Conduit fitting ring
    Patent number: D635934
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: April 12, 2011
    Assignee: Royal Group Inc.
    Inventors: Xing-Guo Shen, Lorne Smyth, John Kehren
  • Conduit fitting ring
    Patent number: D663697
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: July 17, 2012
    Assignee: Royal Group Inc.
    Inventors: Xing-Guo Shen, Lorne Smyth, John Kehren