Patents by Inventor Nicholas Tranquilli

Nicholas Tranquilli 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).

  • FIRETUBE HEAT EXCHANGER
    Publication number: 20100307729
    Abstract: A firetube having an elongated cylindrical shell is characterized by a plurality of circular rows of elongated U-shaped fins, each having a bottom surface, preferably curved along a radius or flat, secured to the inner surface of the cylindrical shell and two flat, planar, preferably parallel sides extending upwardly from the bottom surface, with the fins in each row aligned substantially parallel along the axis of the cylindrical shell.
    Type: Application
    Filed: June 4, 2009
    Publication date: December 9, 2010
    Applicant: Rocky Research
    Inventors: Paul Sarkisian, Nicholas Tranquilli