Patents by Inventor Seong-Tcho Kim

Seong-Tcho Kim 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).

  • Air melting of Cu-Cr alloys
    Patent number: 5714117
    Abstract: Method and apparatus for making a Cu-Cr melt involves melting Cu-bearing alloy component in a melting vessel disposed in ambient air atmosphere, retaining Cr-bearing alloy component in an inverted ceramic crucible held submerged in the melted Cu-bearing alloy component, introducing inert gas into the melted Cu-bearing alloy component, and flowing the melted Cu-bearing alloy component in the melting vessel through openings in the submerged crucible to contact the Cr-bearing alloy component.
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: February 3, 1998
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: Paul M. Berge, Edwin D. Gibson, Seong-Tcho Kim, John D. Verhoeven