Patents by Inventor Michael W. Shackelford

Michael W. Shackelford 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).

  • Thin, self-cleaning gas distribution deck in fluidized bed dryer
    Patent number: 5386647
    Abstract: A fluid bed reactor is provided with a loosely mounted, flexible multiperforate gas distributor plate so that in use the interaction of the flow of fluidizing gas, the plate and fluidized solids causes the plate to be flexed thereby cleaning the plate.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: February 7, 1995
    Assignee: Amax Coal West, Inc.
    Inventors: Robert G. Bauer, Michael W. Shackelford, Mark H. Berggren
  • Treatment of friable materials in fluid bed reactors
    Patent number: 5343631
    Abstract: A process and apparatus for cooling coal dried in a fluid bed reactor are disclosed in which heated dried coal is separated into coarser and finer fractions and the coarser and finer fractions are separately cooled.
    Type: Grant
    Filed: February 3, 1993
    Date of Patent: September 6, 1994
    Assignee: Amax Coal West, Inc.
    Inventors: Michael W. Shackelford, Robert G. Bauer, George W. Land