Patents by Inventor Del R. Gilbert

Del R. Gilbert 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).

  • Patent number: 6799405
    Abstract: The present invention is a masonry unit, masonry system and method of constructing a structure using the system. In its most basic form, the masonry unit of the present invention includes substantially parallel top and bottom surfaces, substantially parallel a front and back surfaces, and substantially parallel right and left surfaces. A locking ridge is disposed upon the top surface and extends along the top surface in substantially parallel relation to the front and back surfaces. A locking channel is disposed with in the bottom surface and is dimensioned to mate with locking ridge on the top surface of an adjoining masonry unit. The locking channel is disposed inward from the bottom surface a distance that is a slightly larger than the distance from the top surface to the top of the ridge. The system includes a primary masonry unit and at least one corner masonry unit.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: October 5, 2004
    Inventor: Del R. Gilbert
  • Publication number: 20040128936
    Abstract: The present invention is a masonry unit, masonry system and method of constructing a structure using the system. In its most basic form, the masonry unit of the present invention includes substantially parallel top and bottom surfaces, substantially parallel a front and back surfaces, and substantially parallel right and left surfaces. A locking ridge is disposed upon the top surface and extends along the top surface in substantially parallel relation to the front and back surfaces. A locking channel is disposed with in the bottom surface and is dimensioned to mate with locking ridge on the top surface of an adjoining masonry unit. The locking channel is disposed inward from the bottom surface a distance that is a slightly larger than the distance from the top surface to the top of the ridge. The system includes a primary masonry unit and at least one corner masonry unit.
    Type: Application
    Filed: January 6, 2003
    Publication date: July 8, 2004
    Inventor: Del R. Gilbert