Patents by Inventor Michael C. Snell

Michael C. Snell 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 of protecting copper melt from oxidation with carbon sand
    Patent number: 6024779
    Abstract: A method of protecting copper and copper alloys from surface oxidation on an upper melted surface while melting copper and/or copper alloys, such as bronze, using a granular carbon sand layer thereover, such as the carbon sands disclosed in this assignee's U.S. Pat. Nos. 5,215,143 and/or 5,094,289.
    Type: Grant
    Filed: July 30, 1998
    Date of Patent: February 15, 2000
    Assignee: AMCOL International Corporation
    Inventor: Michael C. Snell