Patents by Inventor Hans-Juergen Langhammer

Hans-Juergen Langhammer 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).

  • Patent number: 3964897
    Abstract: A charge consisting, for example, of scrap, and/or ore, pellets, sinter and the like, is admitted into a vertically arranged melting chamber and forms a column therein. The leading end of the column is melted with an electric arc which is preferably generated by means of a plurality of electrodes arranged circumferentially of the melting chamber so as to be of annular configuration. In this manner, a downwardly extending projection is formed within the confines of the periphery of the leading end of the column and this bears against the bottom of the melting chamber thereby supporting the column. If necessary, the charge may be reduced in the melting chamber prior to being melted. An outlet for the molten material is provided and may be located in the bottom of the chamber or in the wall of the chamber.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: June 22, 1976
    Assignee: Klockner-Werke AG
    Inventor: Hans-Juergen Langhammer