Patents by Inventor Gregory Paul Hill

Gregory Paul Hill 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).

  • Publication number: 20110000558
    Abstract: A pump for pumping water from a bowl of a washing machine is provided. The pump includes a housing coupled to the bowl and a cover with an aperture. The housing and the cover define an interior in fluid communication with the bowl interior via the aperture. A filter filters water entering the interior via the aperture. The filter has a profiled wall defining a volute around the aperture, and a hood disposed above the wall. The profile of the hood perimeter substantially corresponding to the profiled wall to define a profiled space between the perimeter and the profiled wall. The profiled space allows water to enter the volute but substantially prevents elongated objects entering the volute.
    Type: Application
    Filed: September 2, 2010
    Publication date: January 6, 2011
    Inventors: JONATHAN DAVID HARWOOD, HUGH GRIFFITH JOHNSON, GEOFFREY ALAN LEE, GREGORY PAUL HILL, ANNA KATHRYN DUNCAN, ADRIAN ANTHONY SARGEANT
  • Patent number: 7810362
    Abstract: The present invention relates to a washing machine (7) and pump (8) for a washing machine (7). The pump is driven by a brushless DC motor (38). The pump can be controlled to improve the operation of the washing machine. In one aspect the invention comprises a washing machine (7) with a variable speed pump (8) for pumping out wastewater, a controller (50) for controlling the speed of the pump and a sensor (10) for determining the flow-rate of water being pumped from the washing machine, wherein the controller (50) controls the speed of the pump to maintain the flow-rate at a desirable level.
    Type: Grant
    Filed: November 6, 2006
    Date of Patent: October 12, 2010
    Assignee: Fisher & Paykel Appliances Ltd.
    Inventors: Jonathan David Harwood, Hugh Griffith Johnson, Geoffrey Alan Lee, Gregory Paul Hill, Anna Kathryn Duncan, Adrian Anthony Sargeant