Patents by Inventor Ronald E. Greb

Ronald E. Greb 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).

  • Web width tracking
    Patent number: 5505129
    Abstract: A printing system having a plurality of printing stations in series is provided with a web width sensor system that detects the change in width of a paper web by monitoring the position of both edges of the sheet after it leaves a printing station to determine the change in position of each side edge and thereby the change in width of the web.
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: April 9, 1996
    Assignee: MacMillan Bloedel Limited
    Inventors: Ronald E. Greb, George E. Ilott