Patents by Inventor Kenneth E. Owens

Kenneth E. Owens 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).

  • Ceramic articles having a nonporous core and porous outer layer
    Patent number: 4605594
    Abstract: Fired ceramic article, which exhibits a uniform, porous sheath and a core. The porous sheath or outer layer of the article can be filled with various infiltrates, e.g., catalysts, in order to provide the article with useful properties. The article can be prepared by treating a fired ceramic article with a leachant, e.g., hydrofluoric acid or a precursor thereof.
    Type: Grant
    Filed: August 8, 1984
    Date of Patent: August 12, 1986
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Kenneth E. Owens, Robert A. Hatch