Patents by Inventor Donald R. Metzler

Donald R. Metzler 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 to remove uranium/vanadium contamination from groundwater
    Patent number: 6767468
    Abstract: A process for removing uranium/vanadium-based contaminants from groundwater using a primary in-ground treatment media and a pretreatment media that chemically adjusts the groundwater contaminant to provide for optimum treatment by the primary treatment media.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: July 27, 2004
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: Donald R. Metzler, Stanley Morrison