Patents by Inventor David F. Cantrell

David F. Cantrell 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).

  • Method of processing ethanol byproducts and related subsystems
    Patent number: 10655083
    Abstract: In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of forming the concentrate may comprise evaporating the byproduct. Further, the step of separating the oil from the concentrate may comprise using a centrifuge and, in particular, a disk stack centrifuge. Other aspects of the invention include related methods and subsystems for recovering oil from thin stillage.
    Type: Grant
    Filed: March 18, 2015
    Date of Patent: May 19, 2020
    Assignee: GS CLEANTECH CORPORATION
    Inventors: David F. Cantrell, David J. Winsness
  • METHOD OF PROCESSING ETHANOL BYPRODUCTS AND RELATED SUBSYSTEMS
    Publication number: 20150191675
    Abstract: In one aspect of the invention, a method recovers oil from a concentrated byproduct, such as evaporated thin stillage formed during a dry milling process used for producing ethanol. The method includes forming a concentrate from the byproduct and recovering oil from the concentrate. The step of forming the concentrate may comprise evaporating the byproduct. Further, the step of separating the oil from the concentrate may comprise using a centrifuge and, in particular, a disk stack centrifuge. Other aspects of the invention include related methods and subsystems for recovering oil from thin stillage.
    Type: Application
    Filed: March 18, 2015
    Publication date: July 9, 2015
    Inventors: David F. Cantrell, David J. Winsness