Patents by Inventor Jörn Grossman

Jörn Grossman 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).

  • Device for directional solidification of a fused metal which has been poured into a moulding shell and a process for this purpose
    Patent number: 6354360
    Abstract: A device for directional solidification of a fused metal, for example a CoCrAlY alloy, which has been poured into a molding shell, by moving the molding shell out of a heating chamber and by immersing the molding shell in a liquid-metal bath serving as a cooling melt with a lower melting-point than the fused metal in the molding shell, for example tin. The liquid-metal bath is enclosed by several current carrying toroidal coils arranged coaxially relative to one another. For the purpose of orienting the stream filament of the agitated fused metal one or more guide plates are arranged in the space between the lateral circumferential surface of the molding shell and the inner wall of the shell containing the liquid-metal bath which is located opposite the molding shell.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: March 12, 2002
    Inventors: Ulrich Betz, Michael Schäfer, Franz Hugo, Wilfried Schneiders, Jörn Grossman, Jürgen Preuhs