Patents by Inventor Laurent Le Grand

Laurent Le Grand 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).

  • Patent number: 7004058
    Abstract: The invention concerns a device (1) for artillery intended to ram a projectile (7) into the chamber of a weapon barrel, such device comprising an impulse jack (12) incorporating a mobile rod (25) driving a carriage (10) mounted able to slide with respect to a chute (11), the carriage (10) being able to drive the projectile towards the weapon chamber using drive means (9). This device comprises a loading tray (5) intended to receive the projectile, such loading tray with respect to which the carriage (10) may translate to drive the projectile (7) and wherein the impulse jack (12) is a dual-acting jack and it is the withdrawal movement of the mobile rod (25) that is used to drive the projectile.
    Type: Grant
    Filed: April 26, 2002
    Date of Patent: February 28, 2006
    Assignee: Giat Industries
    Inventors: Didier Thebault, Dominique Guesnet, Laurent Le Grand
  • Publication number: 20040139848
    Abstract: The invention concerns a device (1) for artillery intended to ram a projectile (7) into the chamber of a weapon barrel, such device comprising an impulse jack (12) incorporating a mobile rod (25) driving a carriage (10) mounted able to slide with respect to a chute (11), the carriage (10) being able to drive the projectile towards the weapon chamber using drive means (9).
    Type: Application
    Filed: October 28, 2003
    Publication date: July 22, 2004
    Inventors: Didier Thebault, Dominique Guesnet, Laurent Le Grand
  • Patent number: 5837923
    Abstract: Apparatus for transferring modules (3) that make up propellant charges from a storage magazine to a loading system (5) for loading the modules into the chamber of a large-caliber gun barrel, in particular a barrel mounted in a turret or in an armored casemate, said apparatus being characterized in that it includes: first means (6) for receiving n modules (3) taken from a magazine; second means (7) for transferring each of the n modules (3) to a conveyor (8) of a loading system (5); and control apparatus (9) for controlling the second means (7) so as to select transferal of a determined number of modules (3) to the conveyor (8) as a function of the quantity of modules (3) making up the desired propellant charge for firing a projectile.
    Type: Grant
    Filed: January 3, 1997
    Date of Patent: November 17, 1998
    Assignee: Giat Industries
    Inventors: Christian Gay, Christophe Nicolas, Fran.cedilla.ois Roger, Laurent Le Grand, Bernard Petit, Didier Thebault, Jean-Luc Pelissier