Patents by Inventor Donald C. Hilty

Donald C. Hilty 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).

  • Process to control the shape of inclusions in steels
    Patent number: 4465513
    Abstract: A process which enables one to employ calcium as an inclusion shape control additive without need for complicated addition procedures.
    Type: Grant
    Filed: October 3, 1983
    Date of Patent: August 14, 1984
    Assignee: Union Carbide Corporation
    Inventors: Ronald J. Selines, Lawrence J. Hagerty, Donald C. Hilty
  • Process for continuous casting of aluminum-deoxidized steel
    Patent number: 4317678
    Abstract: Calcium or a calcium-bearing material is added to an aluminum-deoxidized steel in an amount which is sufficient to establish a calcium concentration exceeding the aluminum content by a value greater than about 0.14.
    Type: Grant
    Filed: September 26, 1980
    Date of Patent: March 2, 1982
    Assignee: Union Carbide Corporation
    Inventors: Gloria M. Faulring, Donald C. Hilty