Patents by Inventor Jean Beltzer

Jean Beltzer 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).

  • Cylinder firearm, and an associated improved cylinder
    Patent number: 4793084
    Abstract: The invention relates to a cylinder firearm whose cylinder (100) includes a plurality of chambers (108). The cylinder (100) includes a channel (101) associated with each of its chambers (108) and opening out into said chamber ahead of any cartridge contained therein, with the other end of each channel receiving a piston (111), which piston presses against the frame of the gun when fired, thereby causing the cylinder to move forwardly by reaction and thus suppressing the operating clearance provided between the cylinder and the barrel and thus providing good sealing at the front of each chamber when fired. The invention is particularly applicable to revolvers.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: December 27, 1988
    Assignee: Matra Manurhin Defense
    Inventor: Jean Beltzer