Patents by Inventor Frank C. Sappington

Frank C. Sappington 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).

  • Passive treatment of wastewater and contaminated groundwater
    Patent number: 7291265
    Abstract: A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a second, floating phase for nutrients. Biodegradable oils are preferred nutrients.
    Type: Grant
    Filed: August 7, 2006
    Date of Patent: November 6, 2007
    Assignee: Washington Savannah River
    Inventors: Mark A. Phifer, Frank C. Sappington, Margaret R. Millings, Charles E. Turick, Pamela C. McKinsey
  • Passive treatment of wastewater and contaminated groundwater
    Patent number: 7147779
    Abstract: A bioremediation system using inorganic oxide-reducing microbial consortia for the treatment of, inter alia coal mine and coal yard runoff uses a containment vessel for contaminated water and a second, floating phase for nutrients. Biodegradable oils are preferred nutrients.
    Type: Grant
    Filed: November 29, 2005
    Date of Patent: December 12, 2006
    Assignee: Westinghouse Savannah River Company
    Inventors: Mark A. Phifer, Frank C. Sappington, Margaret R. Millings, Charles E. Turick, Pamela C. McKinsey