Patents by Inventor Warren C. Spitzner

Warren C. Spitzner 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 of recovering ink remaining in an ink drum liner
    Patent number: 4574982
    Abstract: A method of recovering ink deposits which remain in the ink drum liner of a substantially empty container which comprises the steps of positioning the mouth end of the drum liner proximate to a roller nip region of wringer assembly structure, inserting the mouth end into the wringer assembly, rotating the wringer assembly so as to draw the liner therethrough while simultaneously urging the ink remaining in the liner towards the closed end as a bulge, pulling the liner through the wringer assembly, opening the closed end of the liner to release the bulge of remaining ink deposits from the closed end of the liner, releasing the accumulated ink deposits from the liner and removing the ink drum liner from said wringer assembly structure.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: March 11, 1986
    Assignee: W. A. Krueger Co.
    Inventors: Michael J. Dehart, Warren C. Spitzner, James M. Estes