Patents by Inventor Burl E. Davis

Burl E. Davis 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).

  • Process for treating moisture laden coal fines
    Patent number: 5231797
    Abstract: A process is provided for making a free flowing granular product from moisture laden caked coal fines, such as wet cake, by mixing a water immiscible substance, such as oil, with the caked coal, preferably under low shear forces for a period of time sufficient to produce a plurality of free flowing granules. Each granule is preferably comprised of a dry appearing admixture of one or more coal particle, 2-50% by weight water and the water immiscible substance.
    Type: Grant
    Filed: April 19, 1991
    Date of Patent: August 3, 1993
    Assignee: Energy International Corporation
    Inventors: Burl E. Davis, Raymond M. Henry, Gordon S. Trivett, Edgar W. Albaugh