Patents by Inventor James W. Rinker

James W. Rinker 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).

  • Corrosion resistant glass-reinforced plastic pipe liner
    Patent number: 3939873
    Abstract: An inner liner for glass-reinforced plastic pipes comprising a nonwoven fabric bonded to each side of a plastic film. In the manufacture of pipe, the composition is saturated with the plastic resin, e.g., polyester resin, and wound onto the pipe mandrel. The resin-glass body of the pipe is then wound over the liner and the entire composition cured.The liner prevents damage to the pipe as a result of corrosive material, e.g., mineral acids.
    Type: Grant
    Filed: June 7, 1974
    Date of Patent: February 24, 1976
    Assignee: Exxon Research and Engineering Company
    Inventors: James W. Rinker, William M. Jacobs