Patents by Inventor Karl-Heinz Schmialek

Karl-Heinz Schmialek 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: 6144689
    Abstract: A cooling plate for shaft furnaces, particularly blast furnaces, is provided with a refractory lining and is composed of copper or a low-alloy copper alloy with cooling medium ducts, wherein the cooling plate is made from a wrought or rolled ingot, and wherein the cooling plate has on one side thereof, i.e., the front side, grooves for receiving refractory material. Cooling ducts are provided on the rear side of the cooling plate, wherein the cooling ducts are defined in part by the cooling plate itself and in part by sheet metal or sheet steel, wherein the cooling ducts are produced by milling cutting in the rear sides of the cooling plate and/or the sheet metal or sheet steel.
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: November 7, 2000
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Karl-Heinz Schmialek, Hartmut Hille, Werner Otremba, Peter Heinrich