Patents by Inventor Helmut Holm

Helmut Holm 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 guide roller with directionally switched drive coupling
    Patent number: 5511712
    Abstract: Damage to rotating cylinders in a web-fed rotary printing machine, due to breaks or tears in the material web passing through the machine, is prevented by providing a web guide roller with a directionally switched coupling intermediate two spaced gripping locations. If the web breaks, the web guide roller becomes positively driven and prevents web roll up on one of the rotating cylinders.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: April 30, 1996
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Helmut Holm, Volker G. Rauh, Karl-Heinz A. Schneider
  • Web-fed rotary printing machine with one printing couple for flying plate change
    Patent number: 5012735
    Abstract: A web-fed rotary printing assembly includes first and second printing couples. Each printing couple has upper and lower printing pairs of plate cylinders and blanket cylinders. An impression cylinder is pivotably supported cooperatively with the blanket cylinder of the first printing couple. Each of the blanket cylinders is also pivotably supported. This assembly allows the press to perform perfecting as well as being suitable as an imprinter. Flying plate changes may also be accomplished.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: May 7, 1991
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Christian M. M. Fischer, Helmut Holm