Patents by Inventor Eric E. Kemp

Eric E. Kemp 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).

  • Pipeline rehabilitation articulated gasketed-joint pipe
    Patent number: 5261461
    Abstract: A liner pipe comprising sections of polyethylene pipe connected by articulated gasketed joints of bell and spigot design which are specifically adapted for ease of compression lining of large diameter pipe with minimum disruption to surface traffic and pipeline flow.
    Type: Grant
    Filed: August 16, 1989
    Date of Patent: November 16, 1993
    Assignee: Chevron Research Company
    Inventors: Harold R. Smith, Eric E. Kemp
  • Pipeline rehabilitation method utilizing articulated gasketed-joint pipe
    Patent number: 4848407
    Abstract: A method of rehabilitating buried pipelines by the introduction of a particular liner pipe comprising sections of polyethylene pipe connected by articulated gasketed joints of bell and spigot design which are specifically adapted for ease of lining large diameter pipeliner with minimum disruption to surface traffic and pipeline flow.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: July 18, 1989
    Assignee: Chevron Research Company
    Inventors: Harold R. Smith, Eric E. Kemp
  • Construction of thermoplastic tubes with tubular ribs by helical winding upon a mandrel
    Patent number: 4826423
    Abstract: An apparatus for the production of reinforced tubes by helical winding of thermoplastic strips and reinforcing members on a rotating mandrel, comprises a dual orifice extrusion die means capable of extruding a plastic strip in several different widths while simultaneously feeding a reinforcing member to the rotating mandrel.
    Type: Grant
    Filed: August 19, 1987
    Date of Patent: May 2, 1989
    Assignee: Chevron Research Company
    Inventors: Eric E. Kemp, James H. Miller, Leonard F. Sansone