Patents by Inventor Franz Schulze-Hagen

Franz Schulze-Hagen 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).

  • Submerged arc furnace with vertically movable frame
    Patent number: 5729569
    Abstract: A submerged arc furnace with an open slag bath, having a vertically movable frame which is arranged above the furnace which is closed by a cover. An electrode mount and an electrode filling device are arranged on the frame. A platform is provided on which the frame is supported via at least three regulating cylinders. The platform, which is arranged above the furnace cover, is configured as a maintenance platform on which, for each electrode, there is provided a sealing unit which has components for the horizontal and vertical sealing of the free surfaces between the electrodes and the electrode passage openings of the cover.
    Type: Grant
    Filed: July 11, 1996
    Date of Patent: March 17, 1998
    Assignee: Mannesmann Aktiengesellschaft
    Inventors: Luciano Ambrosi, Franz Schulze-Hagen, Hermann Cepin