Patents Assigned to Barton Resources Limited
  • Patent number: 5927340
    Abstract: An access plug flange is provided for inspection ports, for example on high temperature chemical processing vessels or pipes. The plug flange prevents heat loss through an access port formed in an insulative lining covering the vessel or pipe. The plug flange further does not deteriorate or lose its sealing effect despite its location near relatively high temperatures.
    Type: Grant
    Filed: May 8, 1998
    Date of Patent: July 27, 1999
    Assignee: Barton Resources Limited
    Inventor: David D. Barton