Patents by Inventor Xing Hao Liu

Xing Hao Liu 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).

  • Steam cleaner
    Patent number: D519249
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: April 18, 2006
    Assignee: Xing Hao Liu
    Inventors: Xing Hao Liu, Li Qiang Peng
  • Steam cleaner
    Patent number: D520196
    Type: Grant
    Filed: March 22, 2004
    Date of Patent: May 2, 2006
    Inventor: Xing Hao Liu
  • Steam cleaner
    Patent number: D522192
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: May 30, 2006
    Inventors: Xing Hao Liu, Li Qiang Peng