Patents Assigned to Uneeda Vac (Australia) Pty Ltd
  • Patent number: 8607408
    Abstract: In a vacuum cleaner (1) particulate matter (32) accumulates on a counter-weighted flap (4). When the weight of the particulate matter (32) exceeds the effect of the counterweight (15) and the effect of any air-pressure differential across the flap (4), the flap opens and voids particulate matter (32) from within the vacuum cleaner (1).
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: December 17, 2013
    Assignee: Uneeda Vac (Australia) Pty Ltd
    Inventor: Michael Herrett