Patents Assigned to FAMOS GmbH
  • Roofing membrane
    Patent number: 5981030
    Abstract: A roofing membrane has a quantity of water-retaining particles fixed in the upper surface of the membrane. A fleece web affixed to the membrane surface in a quilt-like manner may provide zones of selectable size for holding the particles in place. By varying the amount of the absorber particles, the water-retaining capacity of the roofing membrane may be varied to the particular intended use, such as on a flat roof or a sloped roof.
    Type: Grant
    Filed: September 25, 1997
    Date of Patent: November 9, 1999
    Assignee: FAMOS GmbH
    Inventors: Bertram W. Haupt, Siegfried Heinz, Wolfgang Rudolf