Patents by Inventor Donald W. Bell

Donald W. Bell 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).

  • MATERIAL MOVING APPARATUS
    Publication number: 20120282127
    Abstract: Described herein is a material moving apparatus that includes a chamber into which a compressible material is introduced. The chamber includes an input opening for receiving the material, a discharge opening and a sealing mechanism to prevent flow of air or other gasses between the input opening and the discharge opening. In one embodiment, the material moving apparatus can be used to introduce compressible biomass into a gasification reactor.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 8, 2012
    Inventors: David A. Olson, Jessica Conway, Donald W. Bell, Wayne E. Soost
  • HIGH SOLIDS MATERIAL MOVING APPARATUS
    Publication number: 20100278666
    Abstract: Described herein is a material moving apparatus having a chamber that includes a chamber having a cross-sectional shape and a discharge opening; a pumping ram mounted in the chamber configured to move material out of the discharge opening of the chamber; and a discharge pipe connected to the discharge opening of the pump and having and an inlet and an outlet and a cross-sectional shape corresponding to the cross-sectional shape of the discharge opening.
    Type: Application
    Filed: April 28, 2010
    Publication date: November 4, 2010
    Inventors: David A. Olson, Donald W. Bell, Jeffrey D. Hall, Wayne E. Soost