Patents by Inventor Paul Biver

Paul Biver 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).

  • Impeller adjustment device and method for doing the same for close coupled pumps
    Publication number: 20050169783
    Abstract: A method and apparatus are provided for adjusting an impeller in a motor and impeller assembly of a pumping device.
    Type: Application
    Filed: January 30, 2004
    Publication date: August 4, 2005
    Inventors: Paul Biver, Mark Playford, Jeremiah Quill, Gregory Peck
  • Double motor seal for a close coupled centrifugal pump
    Publication number: 20050152780
    Abstract: A pumping device is provided having a motor arranged in relation to a pumping assembly, the motor having a housing and a shaft extending therefrom for rotating an impeller in the pumping assembly. The pumping device has a motor seal arranged therein between the shaft and the housing, and has a pump seal arranged between the shaft and the pump assembly. The pumping device features an adapter arranged between a motor housing and a pumping assembly that has a third seal arranged in relation to the motor's shaft for providing additional sealing protection for the motor seal. The third seal may be a labyrinth, magnetic or lip seal, and may be located on the motor end of the close coupled adapter to function as a primary sealing device. The pump may be a close coupled motor/centrifugal pump or a close coupled motor/positive displacement pump.
    Type: Application
    Filed: January 13, 2004
    Publication date: July 14, 2005
    Inventors: Jeremiah Quill, Mark Playford, Paul Biver