Patents Assigned to S.A. Polymem
  • Method and device for membrane filtering of water
    Patent number: 6838003
    Abstract: The invention concerns a method for membrane filtering of water, characterized in that the filtering through membranes is performed by using as differential pressure source the water level in the tank wherein the membranes are immersed, and the membranes are of the fiber type with outer skin, substantially arranged in a U-shape and potted in their low section.
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: January 4, 2005
    Assignee: S.A. Polymem
    Inventors: Jean-Michel Espenan, Franc Saux