Patents by Inventor William J. Tillis

William J. Tillis 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 and composition for inhibiting corrosion of ferrous metals by aqueous brines
    Patent number: 4971709
    Abstract: A method of inhibiting corrosion of ferrous metals by zinc-containing brines by mixing with the brine a particulate metal additive, the metal of the additive having a standard oxidation-reduction potential above 0.5 and below 2.5 volts, the metal additive being present in an amount sufficient to inhibit corrosion of the ferrous metals contacted by the brine.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: November 20, 1990
    Assignee: Baroid Technology, Inc.
    Inventors: William J. Tillis, John J. Augsburger