Patents by Inventor Robert W. Ivett

Robert W. Ivett 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).

  • Lithographic press dampening system
    Patent number: 4143596
    Abstract: A dampening system for a lithographic press, comprised of a brush roller contacting a fountain roller immersed in a fluid. The brush roller is contacted by an elongate flicker bar transferring the fluid to a vibrator roller for application to a plate cylinder by a form roller. Drive means operate the fountain roller which is geared to the brush roller. The ratio of the gearing is such that the brush roller is driven at an overspeed condition relative to the fountain roller.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: March 13, 1979
    Inventor: Robert W. Ivett