Patents by Inventor Stéphane Julien CHAURIAL

Stéphane Julien CHAURIAL 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).

  • Boat comprising engines that have propellers each positioned in a duct, ensuring optimised operation during forward travel and high manoeuvrability
    Patent number: 11173993
    Abstract: Disclosed is a boat with at least one combustion engine positioned on or symmetrical with the vertical median plane of the boat and two engines provided symmetrical with respect to the vertical median plane, each including a propeller in a duct with: a central section on which the propeller is positioned, a rear section leading via a rear opening onto the transom of the hull, a front section with a continuous curved profile, leading via a side opening to the outside wall of the hull, the side opening having a larger cross-section than the cross-section of the rear opening in order for the duct to include at least one converging nozzle, the front section being oriented so that the stream of water exiting from the side opening is directed towards the front and forms an angle of 20° to 60° with respect to the wall of the hull.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: November 16, 2021
    Assignee: PINBALL BOAT
    Inventors: Pascal Eric Duclos, Stéphane Julien Chaurial, Simon Rigaud
  • BOAT COMPRISING ENGINES THAT HAVE PROPELLERS EACH POSITIONED IN A DUCT, ENSURING OPTIMISED OPERATION DURING FORWARD TRAVEL AND HIGH MANOEUVRABILITY
    Publication number: 20200290712
    Abstract: Disclosed is a boat with at least one combustion engine positioned on or symmetrical with the vertical median plane of the boat and two engines provided symmetrical with respect to the vertical median plane, each including a propeller in a duct with: a central section on which the propeller is positioned, a rear section leading via a rear opening onto the transom of the hull, a front section with a continuous curved profile, leading via a side opening to the outside wall of the hull, the side opening having a larger cross-section than the cross-section of the rear opening in order for the duct to include at least one converging nozzle, the front section being oriented so that the stream of water exiting from the side opening is directed towards the front and forms an angle of 20° to 60° with respect to the wall of the hull.
    Type: Application
    Filed: November 28, 2018
    Publication date: September 17, 2020
    Inventors: Pascal Eric DUCLOS, Stéphane Julien CHAURIAL, Simon RIGAUD