Patents by Inventor Norman E. Kampbell

Norman E. Kampbell 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).

  • Patent number: 6942426
    Abstract: A two-stage process for repairing pipes at elevated temperatures and at elevated pressure. The process comprises the steps of preparing and displacing a hose assembly within the pipeline needing repair. A pressure medium is then introduced into the hose assembly raising the first temperature to initiate and facilitate the cross-linking reaction, and then raising the temperature to a second temperature range and pressure to cure or harden the resin. Novel manifolds and access tubes which allow the practicing the process safely are also provided.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: September 13, 2005
    Assignee: Inliner Technologies, LLC
    Inventors: Norman E. Kampbell, Lee R. Cuba