Patents by Inventor Philip C. Schillawski

Philip C. Schillawski 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 for electrolytically pickling steel strip material
    Patent number: 4391685
    Abstract: A method for efficiently and effectively continuously electrolytically pickling a steel strip by subjecting the strip to the action of direct current in an aqueous neutral salt pickling solution wherein the strip to be pickled forms a conductor between the neutral salt pickling solution containing the cell cathode and an anolyte containing the cell anode wherein the anolyte is electrically isolated from the neutral salt pickling solution.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: July 5, 1983
    Assignee: Republic Steel Corporation
    Inventors: George A. Shepard, Philip C. Schillawski