Patents Assigned to Energy Maintenance Services I LLC
  • Patent number: 7628177
    Abstract: The invention comprises a lateral interface pipe repair device containing a housing with fluid sealable flexible walls dimensioned to fit within a main pipe and further comprising a first end and a second end wherein the first end and second end are held in fixed orientation by support rods and end plates external to the flexible housing. The device also includes a bladder mounting flange fluid sealably attached to the flexible housing wall, and a heatable and inflatable elastomeric bladder dimensioned to fit within the housing when the bladder is deflated and evertable through the bladder mounting flange into a lateral pipe when inflated.
    Type: Grant
    Filed: May 9, 2007
    Date of Patent: December 8, 2009
    Assignee: Energy Maintenance Service I LLC
    Inventor: William Lepola
  • Patent number: 7628943
    Abstract: A method and device is disclosed for inserting a flexible, inflatable and electrically heatable bladder conveying and installing a thermally responsive repair material into the interior of a pipe. The device is portable and can be used to repair pipe accessible from only one location.
    Type: Grant
    Filed: February 19, 2008
    Date of Patent: December 8, 2009
    Assignee: Energy Maintenance Services I LLC
    Inventors: Richard Blackmore, John Perry Nixon, William Lepola