Patents by Inventor Paul R. Pack

Paul R. Pack 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).

  • Patent number: 4177062
    Abstract: In a steelmaking method, the improvement comprising contacting oil-coated mill scale with hot slag derived from the steel-making process whereby the oil is ignited and flashed away and the scale commingled with the slag for subsequent processing, recovery of metallic values, and recycle to the steelmaking operation.
    Type: Grant
    Filed: May 23, 1978
    Date of Patent: December 4, 1979
    Assignee: Harsco Corporation
    Inventor: Paul R. Pack