Patents Assigned to Health & Home Technologies
  • Patent number: 6471738
    Abstract: The present invention provides an air filtration device attachable to a motor. The device comprises a housing comprising an upper part and a lower part, wherein the upper and lower parts are parallel and spaced apart from each other and define a cavity therebetween, and wherein the lower part has a centrally positioned opening therein; an impeller positioned coaxially with the axis of the housing between the upper and lower parts thereof and attached to the motor; and a filter positioned between the upper and lower parts and positioned around a perimeter of the housing.
    Type: Grant
    Filed: March 22, 2000
    Date of Patent: October 29, 2002
    Assignee: Health & Home Technologies
    Inventors: Arne Thompson, Patricia Verbryke