Patents Assigned to Webco Limited
  • Method of making a coated pipeline
    Patent number: 4744842
    Abstract: A method for producing pipeline having a thermally insulating coating in which a continuous matrix of water-impermeable material has dispersed throughout it hollow microspheres or cellular particles which improve on heat insulating properties of the basic matrix.
    Type: Grant
    Filed: July 6, 1987
    Date of Patent: May 17, 1988
    Assignee: Webco Limited
    Inventors: George A. Webster, Steven A. Burton