Patents by Inventor Xiaoyao Qiang

Xiaoyao Qiang 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).

  • Method for producing a weight
    Publication number: 20100075169
    Abstract: A method for producing a weight comprising following steps: (a) grinding a barium sulfate ore into powder, (b) mixing the barium sulfate ore powder with dihydrolipoyl and solidifying agent, (c) extruding the mixture, and (d) die-casting the extruded mixture into a weight of a predetermined shape.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 25, 2010
    Inventor: Xiaoyao Qiang