Patents by Inventor Kurt Auer

Kurt Auer 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).

  • Apparatus for producing foamed blast furnace slag
    Patent number: 4978107
    Abstract: To permit a continuous production of foamed blast furnace slag, a revolving conveyor is provided, which is continuously supplied with a stream of slag from a slag feeder in a trough which comprises a bottom and side walls rising from the bottom. Adjacent to the slag feeder, stationary tubular lances extend in said trough closely above the bottom in the direction of conveyance and are formed in a predetermined length portion with radial outlet orifices for a discharge of water into said trough.
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: December 18, 1990
    Assignees: Voest-Alpine Industrieanlagenbau Gesellschaft m.b.H., Anton Hulek
    Inventors: Anton Hulek, Werner Koller, Kurt Auer