Patents by Inventor Hubert Wolfgarten

Hubert Wolfgarten 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).

  • Electric furnace construction
    Patent number: 4435812
    Abstract: An electric furnace or electric arc or resistance melting furnaces comprises a housing with a refractory lining which defines a furnace hearth in the housing and with a plurality of electrodes extending through the refractory having one of their ends terminating in the hearth and the opposite ends extending out of the housing. A plate is arranged in spaced relationship to the housing on its exterior and is connected to the opposite ends of the electrodes. The plate is arranged to define a cooling space outside of the housing which surrounds the electrodes. A cooling fluid is circulated into the cooling space and over the electrodes.
    Type: Grant
    Filed: February 9, 1982
    Date of Patent: March 6, 1984
    Assignee: M.A.N. Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft
    Inventors: Heinz Guido, Hubert Wolfgarten