Patents by Inventor Bruce E. Betterton

Bruce E. Betterton 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 melting and refining copper metal
    Patent number: 4959102
    Abstract: A method of melting and refining copper in the combustion chamber of a vertical shaft furnace which includes a step of superheating the melt so that slag formed by oxidized impurities can flow freely from the furnace.
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: September 25, 1990
    Assignee: Southwire Company
    Inventors: James H. Clarkson, Kenneth R. Rhodes, Bruce E. Betterton, Richard B. Foster