Patents by Inventor Sam Bonsall

Sam Bonsall 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).

  • CEMENT-FREE REFRACTORY
    Publication number: 20100009840
    Abstract: The present invention describes a cement free refractory mixture. The mixture comprises a pH buffer and a component containing a metal or fumed silica. Water may impart good flow characteristics to the mixture and can produce an effective low temperature cure. At elevated temperatures, an article formed using this mixture has superior refractory and physical properties.
    Type: Application
    Filed: July 6, 2007
    Publication date: January 14, 2010
    Inventors: Robert A. Pattillo, Sam Bonsall