Patents by Inventor Max R. Godfrey

Max R. Godfrey 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 and methods for filtering granular solid material
    Patent number: 7905358
    Abstract: Apparatuses for screening granular solid particulate material include a generally planar first screen and a second screen. A plurality of apertures extends through the first screen. At least a portion of the second screen is oriented at an angle to the first screen, and apertures extend through a perforated region of the second screen. The second screen includes at least one region configured to prevent at least some particles of solid material from passing through the second screen.
    Type: Grant
    Filed: July 7, 2006
    Date of Patent: March 15, 2011
    Assignee: Alliant Techsystems Inc.
    Inventors: Douglas J. Backes, Clay B. Poulter, Max R. Godfrey, Dennis K. Tolman, Melinda S. Dutton
  • Apparatus and methods for filtering granular solid material
    Publication number: 20080006563
    Abstract: Apparatuses for screening granular solid particulate material include a generally planar first screen and a second screen. A plurality of apertures extends through the first screen. At least a portion of the second screen is oriented at an angle to the first screen, and apertures extend through a perforated region of the second screen. The second screen includes at least one region configured to prevent at least some particles of solid material from passing through the second screen.
    Type: Application
    Filed: July 7, 2006
    Publication date: January 10, 2008
    Inventors: Douglas J. Backes, Clay B. Poulter, Max R. Godfrey, Dennis K. Tolman, Melinda S. Dutton