Patents by Inventor Rainer Zechner

Rainer Zechner 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).

  • Method for blowing oxidizing gases into molten metal
    Patent number: 5423900
    Abstract: The invention relates to a method for blowing oxidizing gases into molten metal located in a reaction vessel having tuyeres below the metal bath surface, whereby the oxidizing gases are blown into the molten metal from these tuyeres and fed to the tuyeres at an inlet pressure between 85 bars and 170 bars.
    Type: Grant
    Filed: October 19, 1993
    Date of Patent: June 13, 1995
    Assignee: KCT Technologie GmbH
    Inventors: Klaus Klintworth, Rainer Zechner, Rudolf Flesch, Manfred Redetzky, Harald Berger, Johannes Steins