Patents by Inventor Mark H. Bruce

Mark H. Bruce 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).

  • Polymer reinforcement for a clay pipe joint
    Patent number: 7757718
    Abstract: A polymer composition including a resin and a fiberglass is wrapped around the bell portion of a clay pipe to provide a cushion thereto to resist damage due to impact forces, and holds the bell in compression to thereby increase the tensile strength thereof. The length of the bell can be lengthened using a polyester-based material for an extension, where the extension is also wrapped with the polymer composition.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: July 20, 2010
    Inventor: Mark H. Bruce