Patents by Inventor Frank T. Sheets, III

Frank T. Sheets, III 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).

  • Interground white blended cement
    Patent number: 6033468
    Abstract: A composition comprises anhydrous alumino-silicate, diatomaceous earth, and/or other natural pozzolans, white clinker, and white gypsum interground together and in a ratio by weight of 5-20% anhydrous alumino-silicate, diatomaceous earth, and/or other natural pozzolans, 3-7% gypsum, and 73-92% white clinker.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: March 7, 2000
    Inventors: Timothy S. Folks, Patrick M. Hill, Frank T. Sheets, III, Richard F. Ball, Joseph R. Sisneros, Jesus Uribe, Curtis W. Forrester
  • Process to make interground, white, blended cement
    Patent number: 6007620
    Abstract: A process of manufacturing blended white cement comprises the following steps: (a) providing anhydrous alumino-silicate, diatomaceous earth, and/or other natural pozzolans; (b) providing white clinker; (c) providing gypsum; and (d) combining and grinding the anhydrous alumino-silicate; the white clinker, and the gypsum together to form the blended white cement.
    Type: Grant
    Filed: January 29, 1997
    Date of Patent: December 28, 1999
    Inventors: Timothy S. Folks, Patrick M. Hill, Frank T. Sheets, III, Richard F. Ball, Joseph R. Sisneros