Patents by Inventor Helmut Katterbach

Helmut Katterbach 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: 4584747
    Abstract: An ironing roller adapted for use in a heated trough mangle comprising a hollow cylindrical drum having a plurality of perforations therethrough thereby forming a generally screen-type perforated shell, a gas permeable padding layer formed of intrinsic elastic material, the padding layer being defined by a plurality of strips of material connected together in end-to-end and wrapped helically about the shell, the elastic material being thermally resistant resiliant silicon rubber having a Shore hardness generally within the range of 50 to 75, but preferably 55 to 65, a mesh-like inlay within the strips, a fabric cover covering an exterior generally cylindrical surface of the padding layer, the exterior cylindrical surface being roughened, the strips having a plurality of through holes distributed along the lengths thereof, the strips having under surfaces engaging the perforated shell with a plurality of channel-like grooves therein interconnecting the through holes, the strips having stepped ends each definin
    Type: Grant
    Filed: September 6, 1985
    Date of Patent: April 29, 1986
    Assignee: Helmut Katterbach
    Inventors: Helmut Katterbach, Klaus Schroter, Johannes Daniel