Patents Assigned to Swab-Rite Tool Corp.
  • Patent number: 7784549
    Abstract: A self-propelled swabbing device and method for use in removing liquid to surface from within an installed wellbore casing.
    Type: Grant
    Filed: October 12, 2007
    Date of Patent: August 31, 2010
    Assignee: Swab-Rite Tool Corp.
    Inventor: Robert Mark Balen