Patents by Inventor Klaus-Jurgen Kuhne

Klaus-Jurgen Kuhne 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
  • Patent number: 6036915
    Abstract: A water-cooled multipart hood for metallurgical vessels, particularly pouring ladles, with cooling tubes arranged welded tube against tube and/or with gaps between the tubes, with an opening arranged in the cover of the hood for inserting a refractory core piece for guiding electrodes therethrough, and with openings for discharging flue gases. The water-cooled ladle hood further includes a lower outer hood and a lower inner hood with at least three gas exhaust openings and a gas conducting pipe arranged in the lower outer hood, wherein an upper hood with at least three gas exhaust openings, a gas conducting pipe and an opening is arranged in the lower inner hood.
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: March 14, 2000
    Assignee: SMS Schloemann-Siemag Aktiengesellschaft
    Inventors: Klaus-Jurgen Kuhne, Manfred Schubert