Patents by Inventor Paul Junghanns

Paul Junghanns 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).

  • Crucible for melting, heat retention and pouring of metals
    Patent number: 4033564
    Abstract: A crucible for melting, and particularly for heat retention and pouring of metals, in particular light metal- or zinc- alloys, with a heat source arranged inside of the melt. A heat source tube extends in a bridge-like manner between the crucible walls, with heating elements entering from a front end of the heat source tube.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: July 5, 1977
    Assignee: Wilh. Engstfeld, a Kommanditgesellschaft
    Inventors: Paul Junghanns, Friedhelm Burger