Patents by Inventor Jan Marchner

Jan Marchner 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 and method for melting ferrous pellets
    Patent number: 4160868
    Abstract: Ferrous pellets are melted by feeding them to a ferrous melt in the hearth of an electric arc furnace having a centrally positioned arc. The melt is inductively stirred so that the lower portion of the melt flows radially outwardly while its upper portion flows radially inwardly towards the arc so that the pellets and possibly slag are carried towards the arc.
    Type: Grant
    Filed: November 23, 1976
    Date of Patent: July 10, 1979
    Assignee: ASEA Aktiebolag
    Inventors: Jan Marchner, Yngve Sundberg