Patents by Inventor John D. Dillard

John D. Dillard 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).

  • Composition and method for combatting chloride-induced corrosion in steel in reinforced concrete
    Patent number: 5092923
    Abstract: A composition and method for inhibiting chloride-induced corrosion in reinforcing steel (rebar) present in concrete structures such as roadways, bridges, and buildings. A boron-containing compound, such as a borate salt, is applied to the reinforced concrete structure. Application can be done by applying a mixture of road salt and the boron-containing compound or by applying a solution having the boron-containing compound to the concrete structure.
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: March 3, 1992
    Assignee: Center for Innovative Technology
    Inventors: John D. Dillard, James O. Glanville