Patents by Inventor Fritz-Jurgen Strunck

Fritz-Jurgen Strunck 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).

  • Metallurgical vessel
    Patent number: 4903948
    Abstract: The invention comprises a metallurgical vessel, more particularly an electric arc furnace, having means for introducing inert stirring (purging) gases into a metal melt. The vessel has an outer sheet metal jacket, a refractory lining, and means for introducing stirring gases into the melt being disposed in the furnace hearth, which comprises a permanent lining of refractory bricks and a wear lining of a refractory ramming mass. The means for introducing the stirring gases are disposed in the permanent lining.
    Type: Grant
    Filed: December 12, 1988
    Date of Patent: February 27, 1990
    Assignee: Thyssen Stahl AG
    Inventors: Josef Wolf, Fritz-Jurgen Strunck