Patents by Inventor John Ward, III

John Ward, III 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).

  • Filter for determination of mercury in exhaust gases
    Patent number: 7888126
    Abstract: An apparatus, process, coating, and filter for the accurate measurement of total mercury concentration in flue gas. In one aspect, the concentrations of both elemental and oxidized mercury are preserved by the apparatus for analysis. Accordingly, embodiments of the present apparatus and process can be used to determine regulatory compliance or for process control measurement.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: February 15, 2011
    Assignee: Perma Pure LLC
    Inventors: Tom A. Baldwin, John Ward, III, Allan Budd
  • Filter for determination of mercury in exhaust gases
    Patent number: 7368289
    Abstract: An apparatus, process, coating, and filter for the accurate measurement of total mercury concentration in flue gas. In a preferred aspect, the concentrations of both elemental and oxidized mercury are preserved by the apparatus for analysis. Accordingly, embodiments of the present apparatus and process can be used to determine regulatory compliance or for process control measurement.
    Type: Grant
    Filed: November 7, 2003
    Date of Patent: May 6, 2008
    Assignee: Perma Pure LLC
    Inventors: Tom Baldwin, John Ward, III, Allan Budd