Patents by Inventor M. Alexandre Lapierre

M. Alexandre Lapierre 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).

  • Boiler with improved hot gas passages
    Patent number: 9404650
    Abstract: The present document describes a boiler for heating a cold fluid with a hot fluid. The boiler comprises a lower drum, an upper drum, a plurality of right tubes for conveying the cold fluid, where each of the right tubes are fluidly connecting the lower drum and the upper drum, where the right tubes form a right wall and where each of the right tubes comprises at least one left inwardly extending portion extending toward a left wall and a plurality of left tubes for conveying the cold fluid, where each of the left tubes fluidly connect the lower drum and the upper drum, and where the left tubes form the left wall facing the right wall, where each of the left tubes comprises at least one right inwardly extending portion, each extending toward the right wall.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: August 2, 2016
    Inventor: M. Alexandre Lapierre
  • BOILER WITH IMPROVED HOT GAS PASSAGES
    Publication number: 20100326373
    Abstract: The present document describes a boiler for heating a cold fluid with a hot fluid.
    Type: Application
    Filed: June 11, 2010
    Publication date: December 30, 2010
    Applicant: 9223-5183 QUEBEC INC.
    Inventor: M. Alexandre Lapierre