Patents by Inventor Anton Watermann

Anton Watermann 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).

  • Pump impeller
    Patent number: 7329085
    Abstract: An impeller for use in a centrifugal pump, the impeller including a shroud having opposed faces, an outer peripheral edge portion and a rotation axis, a plurality of pumping vanes on one of the faces of the shroud and extending away from the rotation axis, each pumping vane having an outer peripheral edge portion, and a plurality of auxiliary vanes on the other face of the shroud, the auxiliary vanes of each having an outer edge portion wherein the dimension Da from the rotation axis to the outer peripheral edge portion of the shroud is greater than the dimension Db from the rotation axis to the outer edge portion of the auxiliary vanes.
    Type: Grant
    Filed: June 15, 2004
    Date of Patent: February 12, 2008
    Assignee: Weir Minerals Australia Ltd.
    Inventors: Craig Ian Walker, Anton Watermann
  • Pump impeller
    Publication number: 20060127211
    Abstract: An impeller for use in a centrifugal pump, the impeller (20) including a shroud having opposed faces, an outer peripheral edge portion and a rotation axis, a plurality of pumping vanes on one of the faces of the shroud and extending away from the rotation axis each pumping vane having an outer peripheral edge portion, and a plurality of auxiliary vanes (26) on the other face of the shroud, the auxiliary vanes of each having an outer edge portion wherein the dimension Da from the rotation axis to the outer peripheral edge portion of the shroud is greater than the dimension Db from the rotation axis to the outer edge portion of the auxiliary vanes.
    Type: Application
    Filed: June 15, 2004
    Publication date: June 15, 2006
    Inventors: Craig Walker, Anton Watermann