Patents by Inventor Karl-Wilhelm Saueressig

Karl-Wilhelm Saueressig 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).

  • Patent number: 5972194
    Abstract: A process for producing a mold for electrolytically producing seamless rotary screen printing stencils is disclosed which includes the steps of: providing a metal mold body having a cylindrical outer surface; covering the outer surface with a sensitive layer such as a photo-sensitive layer, a thermo-sensitive layer or an electrically sensitive layer; exposing predetermined portions of the sensitive layer to a beam which is controlled electronically thereby creating exposed portions of the sensitive layer as well as unexposed portions of the sensitive layer; removing the unexposed portions of the sensitive layer; generating indentations in the metal body at locations where the unexposed portions of the sensitive layer have just been removed; removing the exposed portions of the sensitive layer; and filling the indentations with a non-conductive filler.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: October 26, 1999
    Inventors: Hans-Georg Schepers, Karl-Wilhelm Saueressig