Patents by Inventor George A. Russell, Jr.

George A. Russell, Jr. 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).

  • Refractory compositions
    Patent number: 4208214
    Abstract: Improved carbon-containing, chemically bonded, refractory compositions, usually magnesia or alumina base, including about 1% to 20% by weight carbon and about 0.5% to 10% by weight steel fibers, low carbon steel fibers, or stainless steel fibers of about 10-50 mm in length and about 0.1 mm to about 1.0 mm in diameter of any cross-sectional shape distributed in the carbon-bearing matrix and bonded thereto. Other fibers compatible with both the intended application and the base composition may also be used.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: June 17, 1980
    Assignee: General Refractories Company
    Inventors: Joseph L. Stein, George A. Russell, Jr., Gunther L. Mortl