Patents by Inventor John J. Walentine

John J. Walentine 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).

  • Combination anti-rotation and counter-recoil device for a sub-caliber barrel positioned inside a larger caliber gun barrel
    Patent number: 6050170
    Abstract: A combination anti-rotation and counter-recoil device for a sub-caliber barrel positioned inside a larger caliber barrel gun which utilizes a plate attached to the flat base of the tubular member simulating the cartridge case within the larger caliber gun and is held in position by two arms preventing rotation of said member and also a spring loaded piston is provided which engages an opening in the plate which provides for counter-recoil force after each firing.
    Type: Grant
    Filed: March 2, 1998
    Date of Patent: April 18, 2000
    Assignee: American Apex Corporation
    Inventors: William E. Guiette, III, John J. Walentine