Patents by Inventor William J. Varga

William J. Varga 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).

  • Continuous casting method using graphite mold impregnated with unsaturated drying oil
    Patent number: 4044817
    Abstract: An improved graphite mold for and process of continuously casting metal wherein the interstitial space in the mold is impregnated with an unsaturated oil, or mixture of unsaturated oils, having a drying capability equivalent to at least soybean oil. Heat is applied to dry the oil, and subsequently metal is cast in the mold thereby carbonizing the oil or mixtures thereof in the interstitial space.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: August 30, 1977
    Assignee: Chase Brass & Copper Co., Incorporated
    Inventor: William J. Varga