Patents by Inventor Neil Anthony Sandford

Neil Anthony Sandford 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).

  • Liquid—liquid extraction apparatus and method
    Patent number: 6962661
    Abstract: Method and apparatus for contacting two liquid phases for liquid-liquid extraction in a vertical extraction vessel. A relatively heavier liquid phase, descending the extraction vessel at a relatively low volumetric flow rate, is dispersed into a continuous phase comprising a relatively lighter liquid rising through the extraction vessel at a relatively high flow rate. Sieve trays are provided with adjustable active areas and overlapping manways for personnel access.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: November 8, 2005
    Assignee: Kellogg Brown & Root, Inc.
    Inventors: Aldrich Holt Northup, Jr., Michael Robert Resetarits, Neil Anthony Sandford, Pamela Jo Tokerud, Gary Wayne Gage, Veada Colic