Patents by Inventor Maureen E. Leavitt

Maureen E. Leavitt 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).

  • Vapor-phase nutrient delivery system for in situ bioremediation of soil
    Patent number: 5178491
    Abstract: The specification discloses a system for in situ bioremediation of soil wherein nutrients are delivered in the vapor phase to the affected area of the soil for utilization by microorganisms to promote the metabolism of organic contaminants by the microorganisms.
    Type: Grant
    Filed: June 19, 1991
    Date of Patent: January 12, 1993
    Assignee: International Technology Corporation
    Inventors: Duane A. Graves, Maureen E. Leavitt