Patents by Inventor Victoria Margaret Aruther

Victoria Margaret Aruther has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Pressure relief door with counterweight mechanism
    Patent number: 8650801
    Abstract: A counterweight mechanism that includes a radial arm with a weight and a series of elements interconnected between the door and the arm. The weight provides a closing force when in a first position and provides an opening force when in another position. The weight may be an over center weight and the closing force reduces when the weight moves toward an over center position. The counterweight mechanism may require manual resetting after the weight is in the second position. Door movement may be though an angle that is less than an angle of movement of the radial arm.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: February 18, 2014
    Assignee: BHA Altair, LLC
    Inventors: Gordon Timothy Ayshford, Victoria Margaret Aruther, Peter Thomas McGuigan