Patents by Inventor Brian Walter Storah, deceased

Brian Walter Storah, deceased 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).

  • Method for lining a pipe or main
    Patent number: RE36859
    Abstract: A method for lining a pipe or main comprising heating a length of synthetic-resin liner pipe 20 of external diameter substantially equal to or greater than the internal diameter of the pipe or main 40 to be lined, mechanically deforming the heated liner pipe 20 to reduce its external diameter to less than the internal diameter of the pipe or main 40 to be lined, causing the liner pipe 20 to enter the pipe or main 40 to be lined and pressurizing the internal wall of the liner pipe 20 to cause it to expand into engagement with the internal wall of the pipe or main 40 to be lined.
    Type: Grant
    Filed: December 13, 1996
    Date of Patent: September 12, 2000
    Assignee: BG plc
    Inventor: Brian Walter Storah, deceased