Patents Assigned to Hans Klober KG
  • Patent number: 4803816
    Abstract: A roofing slab with vent opening which is arranged in a central region thereof and is limited by a peripheral edge collar and over which a cover extends in hood-like manner. A hose connection pipe directed towards a bottom side of the roofing slab is coordinated with the opening. The edge collar projects beyond the bottom side of the roofing slab and extends into a dish, and the hose connecting pipe projects on the bottom of the dish.
    Type: Grant
    Filed: September 4, 1987
    Date of Patent: February 14, 1989
    Assignee: Hans Klober KG
    Inventor: Johannes Klober