Patents by Inventor Dotsch Lorenz

Dotsch Lorenz 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).

  • Refractory, ceramic, shaped member
    Patent number: 4884787
    Abstract: A refractory, ceramic, shaped member or nozzle. The shaped member is provided with a passage, preferably in the center. To prevent molten material that might penetrate the passage from penetrating therethrough and solidifying at such a later point, a cooling device may be provided in the passage.
    Type: Grant
    Filed: May 24, 1988
    Date of Patent: December 5, 1989
    Assignee: Radex Deutschland Aktiengesellschaft fur feuerfeste Erzeugnisse
    Inventors: Dotsch Lorenz, Karl-Heinz Hofer, Jean-Louis Retrayt, Bernd Kull