Patents Assigned to Ensign Plastics, Limited
  • Insert for a condenser tube
    Patent number: 4396059
    Abstract: An insert for condenser tubes of the heat exchanger includes steps or other means to restrict movement of the boundary layer of liquid through the tubes or to remove the energy of that boundary layer.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: August 2, 1983
    Assignee: Ensign Plastics, Limited
    Inventors: Alan Banner, Frank Banner