Patents by Inventor Tommy W. Davis

Tommy W. Davis 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).

  • Concrete block splitting and pitching apparatus
    Patent number: 8136516
    Abstract: An apparatus for pitching and splitting a masonry block is provided. The apparatus includes a first pitching blade configured to move in a first direction. A second pitching blade is disposed adjacent to the first pitching blade, and the two pitching blades are separated by a distance that is small enough so that the splits initiated by each blade join into a single plane, thereby pitching and splitting the masonry block without the need for a splitting blade.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: March 20, 2012
    Assignee: Pavestone, LLC
    Inventors: William Howard Karau, Joerg Marx, Tommy W. Davis
  • Concrete block splitting and pitching apparatus
    Patent number: 7766002
    Abstract: An apparatus for pitching and splitting a masonry block is provided. The apparatus includes a first pitching blade configured to move in a first direction. A second pitching blade is disposed adjacent to the first pitching blade, and the two pitching blades are separated by a distance that is small enough so that the splits initiated by each blade join into a single plane, thereby pitching and splitting the masonry block without the need for a splitting blade.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: August 3, 2010
    Assignee: Pavestone Company, L.P.
    Inventors: William Howard Karau, Joerg Marx, Tommy W. Davis