Patents by Inventor Bertil Hans

Bertil Hans 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).

  • Apparatus for heating a continuous flow of molten metal
    Patent number: 4441191
    Abstract: A horizontally elongated furnace to contain a molten metal flow having one end provided with an inlet and the other with an outlet for the flow. An AC powered channel-type inductor is connected to the furnace side wall at an opening below the level of the metal flow. The inductor may be removably mounted to the furnace.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: April 3, 1984
    Assignee: Asea AB
    Inventors: Bengt Fredrikson, Bertil Hans