Patents by Inventor WILLIAM JOHN BENNINGTON, II

WILLIAM JOHN BENNINGTON, II 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).

  • Sand dewatering device and method
    Patent number: 8695804
    Abstract: A dewatering device for aggregate products such as sand and gravel to allow dewatering to a moisture within the range of 8% by weight. This energy efficient dewatering system uses an inclined rotatably mounted dewatering screw to initially dewater, followed by an associated vibratory dewatering screen to achieve combined results that neither an inclined dewatering screw or a vibratory screen can achieve separately.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: April 15, 2014
    Assignee: Greystone, Inc.
    Inventors: William John Bennington, II, Brian Robert Beck
  • SAND DEWATERING DEVICE AND METHOD
    Publication number: 20090057204
    Abstract: A dewatering device for aggregate products such as sand and gravel to allow dewatering to a moisture within the range of 8% by weight. This energy efficient dewatering system uses an inclined rotatably mounted dewatering screw to initially dewater, followed by an associated vibratory dewatering screen to achieve combined results that neither an inclined dewatering screw or a vibratory screen can achieve separately.
    Type: Application
    Filed: September 4, 2007
    Publication date: March 5, 2009
    Applicant: GREYSTONE, INC.
    Inventors: WILLIAM JOHN BENNINGTON, II, BRIAN ROBERT BECK