Patents by Inventor Charles W. Condee

Charles W. Condee 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).

  • System and method for catalytic treatment of contaminated groundwater or soil
    Patent number: 7887709
    Abstract: A method for the treatment of a contaminated medium including the steps of introducing hydrogen into the contaminated medium, adding micron-sized metal catalyst particles to the contaminated medium, reacting the contaminated medium with the micron-sized metal catalyst and substantially retaining the catalyst particles in the contaminated medium. In another aspect, a system for the ex situ treatment of contaminated fluid including a vessel configured to receive the contaminated fluid, micron-sized metal catalyst particles located in the vessel, a hydrogen source positioned for delivering hydrogen to the contaminated fluid, and a membrane filter positioned to prevent the metal catalyst from eluting from the vessel.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: February 15, 2011
    Assignee: Shaw Environment & Infrastructure, Inc.
    Inventors: Charles E. Schaefer, Charles W. Condee