Patents Assigned to Pretech
  • Soil penetrating plate assembly to position geothermal conduit loops in soil
    Patent number: 8221032
    Abstract: A soil penetrating plate to position a flexible geothermal conduit loop in spoil is described. The soil penetrating plate has a leading soil penetrating formation which is provided with hook arrangements to hook an end loop portion of a conduit loop. The soil penetrating plate is securable to a force transmitting shaft or cable to displace the soil penetrating plate in soil whereby to position the conduit loop thereinto.
    Type: Grant
    Filed: July 3, 2009
    Date of Patent: July 17, 2012
    Assignee: Pretech
    Inventor: Alain Desmeules