Patents by Inventor Kravchenko Iurii Mikhailovich

Kravchenko Iurii Mikhailovich 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).

  • Machine gun infantry “KT-7.62”
    Patent number: 11774204
    Abstract: A machine gun has a barrel, a receiver assembly comprising a cover, a receiver base and a butt; lock frame comprising an extractor and a gas piston; bolt, return mainspring with guiding bar, gas piston tube, flash absorber, trigger mechanism, gunsight, butt sighting appliances, trigger pull and loading case. A barrel is made of a preform produced of steel. The barrel is coated inside and steel comprises the additional chemical elements.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: October 3, 2023
    Inventors: Kravchenko Iurii Mikhailovich, Berezin Igor Veleriyovych
  • Machine Gun Infantry "KT-7.62"
    Publication number: 20220042758
    Abstract: A machine gun has a barrel, a receiver assembly comprising a cover, a receiver base and a butt; lock frame comprising an extractor and a gas piston; bolt, return mainspring with guiding bar, gas piston tube, flash absorber, trigger mechanism, gunsight, butt sighting appliances, trigger pull and loading case. A barrel is made of a preform produced of steel. The barrel is coated inside and steel comprises the additional chemical elements.
    Type: Application
    Filed: August 31, 2021
    Publication date: February 10, 2022
    Inventors: Kravchenko Iurii Mikhailovich, Berezin Igor Veleriyovych
  • Machine gun infantry “KT-7.62”
    Patent number: 11105576
    Abstract: A machine gun has a barrel, a receiver assembly comprising a cover, a receiver base and a butt; lock frame comprising an extractor and a gas piston; bolt, return mainspring with guiding bar, gas piston tube, flash absorber, trigger mechanism, gunsight, butt sighting appliances, trigger pull and loading case. A barrel is made of a preform produced of steel doped with chromium, molybdenum and vanadium or chromium, nickel, and molybdenum, or chromium, molybdenum, vanadium and nickel. The barrel is coated inside and steel comprises the additional chemical elements.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: August 31, 2021
    Inventors: Kravchenko Iurii Mikhailovich, Berezin Igor Veleriyovych