Patents by Inventor Serge Ladriere

Serge Ladriere 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: 4932326
    Abstract: The projectile includes a main projectile (1) of the calibre of the weapon, and containing at least one axial bore (2) open towards the tip; an auxiliary projectile (3) lodged in the said bore (2) of the calibre of the said bore (2), a propulsive charge (4) being arranged between the bottom of this bore (2) and the said auxiliary projectile (3); a triggering device (5) to ignite the propulsive charge (4) in order to effect firing of the auxiliary projectile (3) before or at the moment of impact of the main projectile (1) on its target. An explosive and/or incendiary charge is arranged in the main projectile (1) in front of the auxiliary projectile (3) before it is fired. Means for igniting this charge are provided and arranged so as to be triggered automatically immediately the auxiliary projectile (3) is fired.
    Type: Grant
    Filed: January 22, 1990
    Date of Patent: June 12, 1990
    Inventor: Serge Ladriere
  • Patent number: 4827650
    Abstract: The disclosed weapon system comprises a gun barrel and a cooperating caseless ammunition. The ammunition is temporarily retained within the gun barrel by means of a conical force fit. The coupling comprises a female conical surface in the rear of the gun barrel and a male conical surface on the rear of the projectile wherein both surfaces have the same conicity.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: May 9, 1989
    Inventor: Serge Ladriere
  • Patent number: 4708063
    Abstract: The projectile comprises a central core, a rear body of which the diameter determines the gauge of the projectile, and an interlock for the central core with the rear body. This interlock comprises a conical sleeve coupling formed by a conical recess and a conical finger, having complementary shapes arranged to provide a self-clamping effect. The rear body comprises at least one bulge cooperating with the gun barrel of the armament and at least one hollow. The bulge and hollow being interconnected progressively so as to define a continuous sinuous shape.
    Type: Grant
    Filed: June 23, 1986
    Date of Patent: November 24, 1987
    Inventor: Serge Ladriere