Patents by Inventor Konrad C. Rieger

Konrad C. Rieger 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: 4123284
    Abstract: Light weight porous ceramic bodies characterized by uniform porosity are prepared by forming an aqueous slurry of a mixture of pyrophyllite and clay having a solids content of 35 to 60 percent, mechanically agitating, drying and firing. Optionally, the composition may contain kyanite.
    Type: Grant
    Filed: May 6, 1977
    Date of Patent: October 31, 1978
    Assignee: R. T. Vanderbilt Company, Inc.
    Inventor: Konrad C. Rieger