Patents by Inventor Stephen W. Thrower

Stephen W. Thrower 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).

  • Vibratable plastic refractory
    Patent number: 4292084
    Abstract: A vibratable plastic refractory composition which is based upon calcined kaolin and a non-basic calcined refractory aggregate, in which the -325 mesh fraction of the batch is controlled to between about 30 and 45%.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: September 29, 1981
    Assignee: Dresser Industries, Inc.
    Inventors: Stephen W. Thrower, George H. Criss, Thomas R. Kleeb