Patents by Inventor Gerald Kern

Gerald Kern 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).

  • Process and plant for avoiding metal dusting in the direct reduction of iron-oxide-containing materials
    Patent number: 5858058
    Abstract: A direct reduction process is disclosed for iron-oxide-containing materials. Synthesis gas is mixed with top gas produced during direct reduction of the iron-oxide-containing materials and is used as reduction gas for directly reducing iron-oxide-containing materials. In order to avoid or reduce metal dusting caused by an increased CO content of the reduction gas with a simple technique and equipment, the CO/CO.sub.2 ratio of the reduction gas is set at a predetermined value from 1 to 3.
    Type: Grant
    Filed: January 15, 1997
    Date of Patent: January 12, 1999
    Assignees: Voest-Alpine Industrieanlagenbau GmbH, Brifer International Ltd.
    Inventors: Gerald Kern, Werner Leopold Kepplinger, Johannes Schenk, Roy Hubert Whipp, Jr.