Patents by Inventor Gerd Wierth

Gerd Wierth 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).

  • Blowing device in sheet deliverers of sheet processing machines
    Patent number: 4317563
    Abstract: A blowing arrangement for a sheet-delivering device of a sheet-processing machine has a plurality of blowing nozzles arranged to be located above a sheet-delivering device and spaced from one another in a direction which is transverse to the sheet-transportation direction and at an angle to the sheet-transportation plane so as to blow air contrary to the sheet-transportation direction and between a sheet placed in the sheet stack and a sheet transported to the latter, wherein the blowing nozzles are also arranged at diverging angles to the sheet-transportation direction as considered in the sheet-transportation plane.
    Type: Grant
    Filed: January 25, 1980
    Date of Patent: March 2, 1982
    Assignee: VEB Kombinat Polygraph "Werner Lamberz" Leipzig
    Inventors: Hans Zimmerman, Fritz Piper, Gerd Wierth, Hartmut Nagel