Patents by Inventor Allan William Rainey

Allan William Rainey 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).

  • High-energy cascading of abrasive wear components
    Patent number: 7258833
    Abstract: In accordance with the present invention, a method for manufacturing tungsten carbide components is provided. The method includes forming a composite material out of tungsten carbide powder and binder powder, pressing the composite material into a plurality of components, heating the plurality of components, optionally under pressure, to liquefy the binder, cooling the plurality of components until the binder solidifies, optionally grinding each of the plurality of components to a desired size, and cascading the plurality of components in a cascading machine under high energy conditions.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: August 21, 2007
    Assignee: Varel International Ind., L.P.
    Inventors: Allan William Rainey, John Franklin Kita