Patents by Inventor Robert Wiessner

Robert Wiessner 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).

  • Pipe liners and method of lining pipes
    Publication number: 20050194718
    Abstract: Provided herein are exemplary embodiments of novel and nonobvious liners, methods of lining passageways or pipelines using said liners, and uses of said liners. In one embodiment of the present invention, the liner comprises a resin absorbent material and a substantially impermeable coating.
    Type: Application
    Filed: February 17, 2005
    Publication date: September 8, 2005
    Inventors: David Blades, Robert Wiessner