Patents by Inventor Steven K. Petrie

Steven K. Petrie 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).

  • Emissions spectral radiometer/fuel flow instrument
    Patent number: 5327356
    Abstract: An apparatus for measuring the combustion effluent of a fossil-fired system with high accuracy as required for the determination of fuel flow rate and boiler efficiency.
    Type: Grant
    Filed: June 29, 1992
    Date of Patent: July 5, 1994
    Assignee: Wahlco Environmental Systems, Inc.
    Inventors: Fred D. Lang, Steven K. Petrie, Arnaldo G. Dall'Era