Patents by Inventor Randal J. Poirier

Randal J. Poirier 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).

  • HEAT EXCHANGER WITH NOX-REDUCING TRIANGLE
    Publication number: 20090098496
    Abstract: A heat exchanger having a frame and a combustion tube mounted to the frame wherein the combustion tube is configured to contain a flame produced from a fuel/air mixture introduced therein, and the combustion tube is configured to exhaust combustion products of the fuel/air mixture, the improvement comprising an insert coupled to the frame and having a longitudinal axis extending along and within the combustion tube wherein the insert has a triangular cross-section normal the longitudinal axis and configured to intersect a periphery of the flame. A method of manufacturing a heat exchanger is also provided.
    Type: Application
    Filed: October 16, 2007
    Publication date: April 16, 2009
    Applicant: Lennox Manufacturing Inc.
    Inventor: Randal J. Poirier