Patents by Inventor Frank Sappington

Frank 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
    Publication number: 20070119778
    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: Application
    Filed: August 7, 2006
    Publication date: May 31, 2007
    Inventors: Mark Phifer, Frank Sappington, Margaret Millings, Charles Turick, Pamela McKinsey
  • Microblower assisted barometric valve
    Patent number: 6971820
    Abstract: A gas exchange apparatus is provided which provides for both passive fluid flow and blower associated fluid flow through a barometric valve. A battery powered blower is provided which allows for operation of the barometric valve during times when the barometric valve would otherwise be closed, and provides for enhanced volume of gas exchange.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: December 6, 2005
    Assignee: Westinghouse Savannah River Company
    Inventors: Joseph Rossabi, Warren K. Hyde, Brian D. Riha, Dennis G. Jackson, Frank Sappington
  • Microblower assisted barometric valve
    Publication number: 20040190994
    Abstract: A gas exchange apparatus is provided which provides for both passive fluid flow and blower associated fluid flow through a barometric valve. A battery powered blower is provided which allows for operation of the barometric valve during times when the barometric valve would otherwise be closed, and provides for enhanced volume of gas exchange.
    Type: Application
    Filed: March 28, 2003
    Publication date: September 30, 2004
    Inventors: Joseph Rossabi, Warren K. Hyde, Brian D. Riha, Dennis G. Jackson, Frank Sappington