Patents by Inventor David C. Guy

David C. Guy 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).

  • GLYCERIN BYPRODUCT BLEND STOCK FOR MIXING WITH REFINERY SLUDGES
    Publication number: 20140024879
    Abstract: Refinery sludge, including centrifuge filter cake and/or thermal desorption unit powder and glycerin byproduct, including glycerin byproduct from a biodiesel process are blended together. Moisture together with any methanol and any light hydrocarbons are removed and the resulting blend is burnt in a cement kiln.
    Type: Application
    Filed: July 18, 2013
    Publication date: January 23, 2014
    Inventors: Thomas E. Roberts, David C. Guy, Dean F. Croft, William B. Gorman