Patents by Inventor Arne Engesland

Arne Engesland 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 gas collection in aluminum smelting furnaces
    Patent number: 4033846
    Abstract: A gas collection apparatus for use in electrical smelting furnaces especially those for the production of aluminum is disclosed. The apparatus comprises a substantially annular body positioned beyond the outer circumference of the furnace at its lower edge and tapering towards the anode carrier at its upper edge. A space at the bottom is left between the wall of the gas collection apparatus and the furnace to permit introduction of air resulting in a chimney effect in the gas collecting apparatus of the present invention.
    Type: Grant
    Filed: September 16, 1975
    Date of Patent: July 5, 1977
    Assignee: Lista Og Mosjoen Aluminiumverk, Elkem Aluminum A/S & Co.
    Inventor: Arne Engesland
  • Apparatus for gas collection in aluminum smelting furnaces
    Patent number: RE31266
    Abstract: A gas collection apparatus for use in electrical smelting furnaces, especially those for the production of aluminum is disclosed. The apparatus comprises a substantially annular body positioned beyond the outer circumference of the furnace at its lower edge and tapering towards the anode carrier at its upper edge. A space at the bottom is left between the wall of the gas collection apparatus and the furnace to permit introduction of air resulting in a chimney effect in the gas collecting apparatus of the present invention.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: June 7, 1983
    Assignee: Lista Og Mosjoen Aluminiumverk, Elkem Aluminum A/S & Co.
    Inventor: Arne Engesland