Patents by Inventor Bryan Wilkinson

Bryan Wilkinson 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).

  • Plastic-pipe pulling tool
    Patent number: 4796347
    Abstract: A plastic-pipe puller tool for installing subterranean utility pipes has a shaft portion, one tapered end on the shaft portion for snugly fitting within the inner wall of the plastic pipe to be installed and a second coupling end which may have a coupler which is rotatably supported from the shaft portion, to permit rapid and easy joining of the plastic pipe to the pipe-pulling means, whether a bore-pipe or a pneumatic hose.
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: January 10, 1989
    Inventors: Domingo V. Aguillen, Jr., Pete P. Casares, John E. DeForrest, Kevin C. Green, Rocque A. Kavanagh, Bryan Wilkinson, Marc K. Marks, Gerardo Zuniga