Patents by Inventor Pierre Richert

Pierre Richert 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).

  • Large calibre firearm
    Patent number: 5809682
    Abstract: The invention is related to a firearm having a plurality of barrels with a hinged breech block and handle with the handle acting as a grip. The handle is arranged so that it is aligned with the barrel when the breech block is in a closed position.
    Type: Grant
    Filed: July 17, 1997
    Date of Patent: September 22, 1998
    Inventor: Pierre Richert
  • Munition for low-pressure firing of projectiles from large-caliber guns
    Patent number: 5402729
    Abstract: Ammunition comprising a cylindrical case (1) with one of the closed ends having coaxially a concentric chamber (1a) capable of receiving a propulsive means for a projectile lodged in the case. The propulsive means consists of a blank cartridge (2) lodged in a diffusing means (3), the cartridge and diffusing means assembly being inserted into the coaxial chamber of the case.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: April 4, 1995
    Inventor: Pierre Richert
  • Ammunition for propelling low pressure, low weight bulky projectiles
    Patent number: 4947752
    Abstract: The ammunition features a chamber (1b) having substantially along its full length a constant and uniform internal diameter corresponding to the diameter of a cartridge (2), in order to avoid building up high pressure, the said cartridge (2) being filled with pyroxylin powder and fitted with a primer (3) overcharged with a fulminating compound.
    Type: Grant
    Filed: April 11, 1989
    Date of Patent: August 14, 1990
    Assignee: Verney Carron
    Inventor: Pierre Richert