Patents by Inventor Wolfram Holler

Wolfram Holler 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
  • Ceramic composite
    Patent number: 6479175
    Abstract: The invention relates to a ceramic composite, in particular for use in secondary metallurgy, consisting of at least a first layer comprised of a carbon-containing, oxide refractory material, and a second layer comprised of a carbonless oxide refractory material bound with a binding agent.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: November 12, 2002
    Assignee: Didier-Werke AG
    Inventors: Wolfram Holler, Rudolf Herrmann Gronebaum, Horst Geber, Steve Lee, Erich Galle, Volkan Haneti, Daniel Grimm, Thomas Schmid
  • Stopper rod
    Publication number: 20020031668
    Abstract: The invention concerns a stopper rod with a stopper rod cap that is designed differently from the base body.
    Type: Application
    Filed: December 11, 2000
    Publication date: March 14, 2002
    Inventors: Wolfram Holler, Dirk Masurat