Patents by Inventor Michael Heiligenbrunner

Michael Heiligenbrunner 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).

  • Gas-flushing base for metallurgical vessels
    Patent number: 6129889
    Abstract: The invention concerns a gas purging bottom for metallurgical vessels, the gas purging bottom comprising a monolithic refractory ceramic lining having channels formed therein by chemical or physical processes. At their ends associated with an adjacent vessel wall, the channels are designed for direct or indirect fluid connection to a gas supply pipe. At their other ends the channels lead into the corresponding outer layer of the refractory ceramic lining.
    Type: Grant
    Filed: November 16, 1998
    Date of Patent: October 10, 2000
    Assignee: Veitsch-Radex Aktiengesellschaft fur Feuerfeste Erzeugnisse
    Inventors: Manfred Slamenik, Franz Reiterer, Walter Hammerer, Karl-Heinz Dott, Klaus Dosinger, Michael Heiligenbrunner