Patents by Inventor Johann E. Eitel

Johann E. Eitel 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).

  • Sheet transport drum with sheet suction holding surface
    Patent number: 5241907
    Abstract: A sheet transport drum utilizes a plurality of drum peripheral envelope surface elements which are each secured to spaced apart disks. Each of these drum envelope surface elements has a plurality of vacuum chambers which are supplied with vacuum in a circumferentially sequential manner. A sheet to be transported by the sheet transport drum is smoothly attracted to the drum's outer perforated envelope plate without wrinkling or buckling.
    Type: Grant
    Filed: August 10, 1992
    Date of Patent: September 7, 1993
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Willi R. L. Dorsam, Johann E. Eitel, Peter E. Wagner, Erich G. Wieland
  • Sheet conveying apparatus
    Patent number: 5133543
    Abstract: A sheet conveying apparatus uses spaced, serially arranged suction chambers to provide suction to overrunning conveying belts. The belts are divergent with respect to each other in the direction of sheet transport to effect a lateral stretching of the conveyed sheets. The conveying belts are slidably supported on an upper surface of the conveying table and may have their speeds individually varied.
    Type: Grant
    Filed: April 17, 1991
    Date of Patent: July 28, 1992
    Assignee: Koenig & Bauer Aktiengesellschaft
    Inventors: Johann E. Eitel, Erich G. Wieland