Patents by Inventor Guoxi Pan

Guoxi Pan 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).

  • High hardness and wear-resisting flux cored wire
    Patent number: 6103997
    Abstract: A high hardness flux cored wire for welding cold rolled metals is provided. The wire comprises a powdered flux containing a flux core powder wrapped by a low carbon steel sheet. The sheet is formed into a cylindrical structure, which is then extruded and drawn into the finished flux cored wire. The flux cored wire is used for welding cold rolled metals, and provides for strong welds having hardnesses in the range of HRC 62-69. The improved wire is inexpensive and easily manufactured.
    Type: Grant
    Filed: January 14, 1999
    Date of Patent: August 15, 2000
    Inventor: Guoxi Pan