Patents by Inventor Chirstian Wiebel

Chirstian Wiebel 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).

  • Composite refractory for an inner lining of a blast furnace
    Patent number: 9422199
    Abstract: A refractory particularly for the use in an inner lining of a blast furnace is a layered composite comprising a protective layer and a conductive layer, wherein the interlayer bonding strength between the individual layers is more than 6 MPa.
    Type: Grant
    Filed: October 3, 2012
    Date of Patent: August 23, 2016
    Assignee: SGL Carbon SE
    Inventors: Janusz Tomala, Chirstian Wiebel, Frank Hiltmann