Patents by Inventor Bob A. Waldner

Bob A. Waldner 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).

  • Apparatus for breaking up clumps of granular material in a storage bin
    Patent number: 9855561
    Abstract: A granular material stirring apparatus for breaking up clumps of a granular material in an interior of a storage bin comprises a base assembly for resting on a floor of the bin, an agitation rotor rotatably mounted on the base assembly, and a rotation device connected to the rotatable agitation rotor to cause the agitation rotor to rotate with respect to the base assembly. The agitation rotor may include a central member rotatable about a substantially horizontal axis and a plurality of stirrer members extending substantially radially outwardly from the central member to rotate about the substantially horizontal axis.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: January 2, 2018
    Inventors: Robert P. Stahl, Bob A. Waldner
  • Apparatus for breaking up clumps of granular material in a storage bin
    Patent number: 8920100
    Abstract: A granular material stirring apparatus for breaking up clumps of a granular material in an interior of a storage bin comprises a base assembly for resting on a floor of the bin, an agitation rotor rotatably mounted on the base assembly, and a rotation device connected to the rotatable agitation rotor to cause the agitation rotor to rotate with respect to the base assembly. The agitation rotor may include a central member rotatable about a substantially horizontal axis and a plurality of stirrer members extending substantially radially outwardly from the central member to rotate about the substantially horizontal axis.
    Type: Grant
    Filed: September 20, 2010
    Date of Patent: December 30, 2014
    Inventors: Robert P. Stahl, Bob A. Waldner