Patents by Inventor Chadwich Robert Larson

Chadwich Robert Larson 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).

  • Feedwell for a gravity separation vessel
    Patent number: 8550258
    Abstract: A feedwell for a gravity separation vessel for introducing a feed stream such as oil sand slurry to the gravity separation vessel is provided comprising a walled member having an upper perimeter edge, a lower perimeter edge and a substantially continuous wall extending from the upper perimeter edge to the lower perimeter edge; an inlet for introducing the feed stream into the walled member positioned adjacent the substantially continuous wall; and a bottom floor having an opening and extending generally beneath the lower perimeter edge; whereby a perimeter of the opening is less than a perimeter of the walled member.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: October 8, 2013
    Assignee: Syncrude Canada Ltd.
    Inventors: Barry Bara, Jonathan Spence, Jim Lorentz, Trevor Lloyd Hilderman, Chadwich Robert Larson, Darwin Edward Kiel