Patents by Inventor Jerry V. Spruell

Jerry V. Spruell 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 increasing vessel lining life for basic oxygen furnaces
    Patent number: 4373949
    Abstract: A method for increasing the life of the refractory lining of a basic-refractory-lined vessel for the production of steel by blowing oxygen into a ferrous melt from above the surface of the melt, comprising:(a) introducing into the vessel slag forming ingredients, including dolomitic lime, such that the amount of dolomitic lime exceeds the amount normally used, and(b) introducing inert gas into the melt in such manner as to cause intensive interaction between the slag and the melt.The preferred inert gas is argon.
    Type: Grant
    Filed: August 21, 1981
    Date of Patent: February 15, 1983
    Assignee: Union Carbide Corporation
    Inventors: Jerry V. Spruell, Jennings B. Lewis, III