Patents by Inventor Thomas Cary Griffith

Thomas Cary Griffith 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).

  • Publication number: 20090279954
    Abstract: Debris and sediment reduction apparatus and method is provided. The apparatus and method include the insertion of a support member into a culvert or drainage pipe with a portion of the support member extending from the intake end of the culvert. A debris cap comprising a plurality of apertures is selectively placed on and secured to the support member. Fluid entering the culvert is filtered via the debris cap. The support member includes optional tabs to maintain a portion of the support member to the exterior of the pipe wherein the debris cap fits over the portion of the support member located to the exterior of the culvert. In one embodiment, the debris cap further comprises upper and lower portions wherein the apertures of the upper and lower portions are distinctly sized with the apertures of the lower portion being smaller than the apertures of the upper portion.
    Type: Application
    Filed: May 12, 2008
    Publication date: November 12, 2009
    Inventors: Thomas Cary Griffith, Rinaldo DiLoreto