Patents Assigned to Jack M. Langdon
  • Oxygen impregnation method
    Patent number: 4101608
    Abstract: An apparatus for dissolving oxygen in a body of water includes a housing submerged in a body of water. A chamber in the housing maintains a volume of oxygen in surface contact with the water. Oyxgen is supplied to the chamber at a rate not greater than the rate at which oxygen is absorbed by the water to prevent disturbance of the thermocline region in the body of water.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: July 18, 1978
    Assignees: Martin L. Towler, Jack M. Langdon
    Inventor: Jep T. Bracey