Patents by Inventor Xu Qilin

Xu Qilin 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).

  • Plumbing fastener
    Patent number: D709169
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: July 15, 2014
    Assignee: Homewerks Worldwide, LLC
    Inventors: Michael Malaker, Eric McMillian, Xu Qilin
  • Plumbing fastener
    Patent number: D715902
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: October 21, 2014
    Assignee: Homewerks Worldwide, LLC
    Inventors: Michael Malaker, Xu Qilin