Patents by Inventor Eric Mix

Eric Mix 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 growing single crystals, process for making the same and use of the same
    Patent number: 5993545
    Abstract: A sintered rhenium crucible, highly suitable for growing single crystals from refractory metal oxides, for example by the Czochralski technique, is formed of fine rhenium powder, by sintering. A compact is formed by cold isostatic pressing and thereafter the compact is sintered at 500-2800.degree. C. to obtain a sintered crucible. Product density is limited to 88-95% of theroretical in order to maximize creep resistance.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: November 30, 1999
    Assignee: W.C. Heraeus GmbH & Co. KG
    Inventors: David Francis Lupton, Jorg Schielke, Manfred Weigelt, Klaus Petermann, Eric Mix, Livio Fornasiero