Patents by Inventor Hans J. Fenzl

Hans J. Fenzl 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).

  • Method and apparatus for the manufacture of high purity silicon granulate
    Patent number: 4532090
    Abstract: Manufacture of silicon granules from molten silicon by pouring molten silicon into a liquid body to solidify and granulate the silicon. The liquid body is substantially free of impurities which will contaminate the silicon.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: July 30, 1985
    Assignee: Siemens Aktiengesellschaft
    Inventors: Wolfgang Dietze, Hans J. Fenzl