Patents by Inventor Patricia Steppe

Patricia Steppe 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).

  • Fine pore media and method of making same
    Publication number: 20060284351
    Abstract: A filter for filtering impurities from molten metal. The filter comprises ceramic and the filter has a density of less than 10% of the theoretical density for a ceramic material of the same size and a compressive yield stress of at least 20 psi.
    Type: Application
    Filed: December 23, 2003
    Publication date: December 21, 2006
    Inventors: Rudolph Olson, Patricia Steppe