Patents by Inventor Carolyn Yonely

Carolyn Yonely 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 for recovery of energy values of oily refinery sludges
    Patent number: 5078593
    Abstract: Method for disposal of oily refinery sludges containing a hydrocarbon component, a solids component comprising sediments such as sand, silt, rust or scale, and water in an operating rotary kiln comprising a heated, rotating cylinder containing in-process mineral matter comprising analyzing the oily refinery sludge to determine its composition, drying the oily refinery sludge to a bulk granular material having an energy content of at least about 4,000 BTU per pound, and charging the dried bulk granular material to the rotary kiln and burning the bulk granular material therein.
    Type: Grant
    Filed: July 3, 1990
    Date of Patent: January 7, 1992
    Assignee: Industrial Waste Management, Inc.
    Inventors: Robert J. Schreiber, Jr., Fred A. Lafser, Jr., Carolyn Yonely