Patents by Inventor Wolfram Höller

Wolfram Höller 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).

  • Stopper rod
    Patent number: 6511751
    Abstract: The invention concerns a stopper rod with a cylindrical stopper rod body comprising a fire-resistant, carbon-containing material, having a base part and a nose-like section made of a different fire-resistant material than the base part, whereby an interface extends between the nose-like section and the base part over the entire cross-section of the stopper rod body, wherein the nose-like section comprises a fire-resistant material wherein the carbon content burns out under oxidic atmosphere above 90° C., at least close to a surface area.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: January 28, 2003
    Assignee: Veitsch-Radex GmbH
    Inventors: Wolfram Höller, Dirk Masurat