Patents Assigned to Floodgate Limited
  • Barrier arrangement
    Patent number: 6427396
    Abstract: A frame expandable in a structural opening has a stretchable substantially fluid impermeable cover membrane disposed across the frame and arranged to stretch with expansion of the frame. The frame is preferably expandable in mutually perpendicular directions, and provided with peripheral seals for sealing in the structural arrangement. The barrier is conveniently fitted in openings such as doors and the like to provide a temporary barrier to rising floodwaters and the like.
    Type: Grant
    Filed: February 5, 2001
    Date of Patent: August 6, 2002
    Assignee: Floodgate Limited
    Inventor: John Ian Rhys Harrison