Patents by Inventor Edwin Schiewer

Edwin Schiewer 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).

  • Patent number: 4209421
    Abstract: Radioactive substances are disposed of by incorporating glass particles containing the radioactive substance in molten metal, heat treating the molten metal containing the glass particles to convert the glass to glass ceramic, and cooling the resulting composite to solidify the metal and provide the glass ceramic particles embedded in a matrix of the metal.
    Type: Grant
    Filed: January 25, 1978
    Date of Patent: June 24, 1980
    Assignee: Gelsenberg Aktiengesellschaft
    Inventors: Wilfried Heimerl, Edwin Schiewer, Amal K. De