Patents by Inventor Norbert Weisbrod

Norbert Weisbrod 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).

  • Inking unit
    Patent number: 5072669
    Abstract: In the context of a printing press inking unit with at least one pitted roll cooperating with two doctor blades offset from each other in the circumferential direction of the pitted roll and preferably carried on a mount so as to define an ink chamber between them into which the pitted roll extends, the wear of the doctor blade removing debris from the pitted roll is reduced if there is a forechamber outside the blade which is upstream in terms of the direction of rotation of the pitted roll, such roll dipping into such forechamber.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: December 17, 1991
    Assignee: Albert-Frankenthal AG
    Inventors: Norbert Weisbrod, Norbert Kobler
  • Doctor device
    Patent number: 5010815
    Abstract: In the context of an ink doctor arrangement with at least one doctor blade which is arranged to be carried on a doctor blade mount more reliable operation with less wear and is made possible by arranging the blade loosely in a slot in the said mount.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: April 30, 1991
    Assignee: Albert-Frankenthal AG
    Inventors: Norbert Weisbrod, Norbert Kobler