Patents by Inventor Klaus-Jürgen Kühne

Klaus-Jürgen Kühne 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).

  • Patent number: 6818175
    Abstract: The invention relates to a device for producing steel. The invention device comprises a container (1, 101, 201). The metal used is molten, blown and refined in said container which comprises an upper component (5, 205) having at least one opening, a lower component (2, 202) and means for tapping the melt and slag from the container. Electrodes (21) can be charged into the container through said opening. The aim of the invention is to improve said device in such a way that said device can be constructed in a more simple manner in comparison with known devices. A bottom tapping system is provided for tapping the melt and optionally the slag.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: November 16, 2004
    Assignee: SMS Demag AG
    Inventor: Klaus-Jürgen Kühne