Patents Assigned to Commercial Insulation Company
  • Heated cover for pipeline backflow preventer component assembly
    Patent number: 4726394
    Abstract: A heated, insulated cover for a portion of a pipeline with valve and backflow preventer components exposed to the atmosphere, the cover being sectionalized so as to be assemblable around the valve components, with hand manipulated clamps to hold the cover together, an electric heating element inside the cover to keep it above freezing temperature, drain openings in the cover at ground level to let any water drain out of the cover, doors in the cover to permit inspection and testing of the components when the cover is in place.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: February 23, 1988
    Assignee: Commercial Insulation Company
    Inventor: Michael J. Devine
  • Heated cover for pipeline backflow preventer component assembly
    Patent number: RE33523
    Abstract: A heated, insulated cover for a portion of a pipeline with valve and backflow preventer components exposed to the atmosphere, the cover being sectionalized so as to be asemblable around the valve components, with hand manipulated clamps to hold the cover together, an electric heating element inside the cover to keep it above freezing temperature, drain openings in the cover at ground level to let any water drain out of the cover, doors in the cover to permit inspection and testing of the components when the cover is in place.
    Type: Grant
    Filed: November 13, 1989
    Date of Patent: January 22, 1991
    Assignee: Commercial Insulation Company
    Inventor: Michael J. Devine