Patents by Inventor Mark D. Nieman

Mark D. Nieman 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).

  • Foam ink fountain
    Patent number: 4512254
    Abstract: A fountain for applying a foam ink to an engraved cylinder of a rotogravure printing press includes an open ink pan into which the ink is introduced and a rotary brush for applying ink from the ink pan to the cylinder. A pre-doctor blade permits a predetermined amount of ink to pass thereby and is followed by a doctor blade for scraping excess ink from the cylinder.
    Type: Grant
    Filed: April 24, 1984
    Date of Patent: April 23, 1985
    Assignee: Motter Printing Press Co.
    Inventors: Leif F. Reslow, Mark D. Nieman, Dean R. Swagert