Patents by Inventor Gary L. Archambeault

Gary L. Archambeault 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).

  • Patent number: 5545804
    Abstract: Heavy metals contaminants in soils are fixed and rendered non-leachable by the process of heating the metal contaminated soil containing a hydrocarbon liquid, at an elevated temperature sufficient to convert at least a part of the liquid hydrocarbon into solid carbon or coke deposited on the surface of the soil and subjecting the thus heated soil to sufficient microwave radiation to sustain at least a partial fusion or melting process that results in a fixing of the heavy metals in the soil.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: August 13, 1996
    Assignee: Exxon Research and Engineering Company
    Inventors: Gary L. Archambeault, William J. Murphy, Edmund M. Mackert