Patents Assigned to Aqua-Rid, Inc.
  • Removing radon by downhole sparging of air
    Patent number: 5104554
    Abstract: Substantially the last traces of radon are removed from typical well water at subterranean temperatures prior to significant pressurization of the water by displacement of the radon by a stream of compressed air, such radon mixing with the air vented from the system. Other objectionable gases in well water are removed concurrently with radon.
    Type: Grant
    Filed: December 14, 1990
    Date of Patent: April 14, 1992
    Assignee: Aqua-Rid, Inc.
    Inventor: John C. Dempsey