Patents by Inventor Mary E. Davey

Mary E. Davey 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).

  • Injection of dextrins for subterranean microbial processes
    Patent number: 5368099
    Abstract: The use of a dextrin as the carbon source for achieving a complete nutrient medium capable of sustaining microbial activity in subterranean formations is disclosed.
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: November 29, 1994
    Assignee: Phillips Petroleum Company
    Inventors: Mary E. Davey, Diane Gevertz, Gary E. Jenneman, Scott T. Kellogg, Willis A. Wood, J. Bennett Clark