Patents by Inventor Gottfried Rossmann

Gottfried Rossmann 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 for the direct reduction of particulate iron-containing material and a plant for carrying out the process
    Patent number: 5833734
    Abstract: With a process for the direct reduction of particulate iron-containing material by fluidization, reformed gas, at least partially freed from CO.sub.2, is supplied to a fluidized-bed reduction zone as a reducing gas and is carried off from the same as a top gas and at least a portion of the top gas together with reformed gas is utilized for direction reduction. To economize on parts of the plant that are impinged on by reducing gas and in order to achieve savings in terms of heating costs, CH.sub.4 and N.sub.2 are, in addition to CO.sub.2, at least partially removed by adsorption, from 50 to 100% of the reformed as and 0 to 100% of the top gas, and the tail gas removed from the reformed gas and/or the top gas by adsorption is utilized as a heating gas.
    Type: Grant
    Filed: July 24, 1997
    Date of Patent: November 10, 1998
    Assignees: Voest-Alpine Industrieanlagenbau GmbH, Brifer International Ltd.
    Inventors: Gerhard Cip, Gottfried Rossmann, Konstantin Milionis, Roy Hubert Whipp, Jr.