Patents by Inventor Donald R. Stauffer

Donald R. Stauffer 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).

  • Leveling bar for coke ovens
    Patent number: 4181578
    Abstract: A coke oven leveling bar is provided with downwardly tapered side members and cross plates to form a plurality of coal receiving pockets having a bottom opening larger than a top opening to minimize arching of coal within the coal receiving pockets.
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: January 1, 1980
    Assignee: Bethlehem Steel Corporation
    Inventors: Donald R. Stauffer, Rolf Stuenes