Patents by Inventor Sten-Ove Sjostrom

Sten-Ove Sjostrom 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).

  • Connection device for plasma generators
    Patent number: 4706943
    Abstract: The invention relates to a device for facilitating the connection of burners, especially plasma generators, to reactor tuyeres in vertical furnaces for metal oxide reduction with simultaneous sealing of the vertical furnace, composed of a sealing ring (13) with a unit for the supply of a protective gas (10, 17, 18, 19). In this case the sealing ring (13) is constructed radially movable in a seat (12).
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: November 17, 1987
    Assignee: SKF Steel Engineering AB
    Inventors: Gunnar Astner, Sten-Ove Sjostrom