Patents by Inventor Christopher J. Plantec

Christopher J. Plantec 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 foam filter for better filtration of molten iron
    Patent number: 7718114
    Abstract: A ceramic precursor, and ceramic filter prepared therewith, with 35-70 wt % refractory aluminosilicate; 10-30 wt % colloidal silica; 0-2 wt % modified bentonite; 0-35 wt % fumed silica; 0-10 wt % pore formers and liquid.
    Type: Grant
    Filed: August 4, 2006
    Date of Patent: May 18, 2010
    Assignee: Porvair PLC
    Inventors: Rudolph A. Olson, III, Leonard S. Aubrey, Feng Chi, Christopher J. Plantec, Myron K. Redden, David P. Haack