Patents by Inventor Franz-Georg Knell

Franz-Georg Knell 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).

  • Electro-slag remelting furnace for consumable electrodes and having an electrode drive
    Patent number: 4394765
    Abstract: An electro-slag remelting furnace having consumable electrodes and a mold for receiving a melt formed from the electrode material; at least one drive motor and at least one spindle and an associated stationary spindle nut for vertical movement of the electrode; at least one guide column, which is provided for vertically guiding the consumable electrodes and which extends parallel with the spindle and relative to which the spindle is rotatable mounted at its two ends; and at least one clamping device for the consumable electrodes.
    Type: Grant
    Filed: November 25, 1981
    Date of Patent: July 19, 1983
    Assignee: Leybold-Heraeus GmbH
    Inventors: Uwe Reimpell, Helmut Grof, Franz-Georg Knell, Anton Wamser