Patents by Inventor Valentin I. Kozlov

Valentin I. Kozlov 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).

  • Steel for nuclear applications
    Patent number: 4214950
    Abstract: The steel according to the invention consists of 0.12-0.20% by weight of carbon, 0.15-0.37% by weight of silicon, 0.3-0.8% by weight of manganese, 1.6-2.7% by weight of chromium, 0.8-2.0% by weight of nickel, 0.5-1.0% by weight of molybdenum, 0.05-0.15% by weight of vanadium, 0.002-0.08% by weight of cerium, 0.01-0.10% by weight of copper, 0.0005-0.009% by weight of antimony, 0.0005-0.009% by weight of tin, 0.001-0.02% by weight of sulphur, 0.002-0.02% by weight of phosphorus, 96.246-92.862% by weight of iron.The steel exhibits improved resistance against neutron radiation. At 300.degree. C. and neutron fluence of 1.10.sup.20 neutr./cm.sup.2, the transition embrittlement temperature increases by no more than 50.degree. C. The steel is designed for application in structural members having a wall thickness of up to 650 mm and has ultimate strength .sigma..sub.B at 350.degree. C. of at least 55 kgf/mm.sup.2. The steel does not require immediate temper after welding.
    Type: Grant
    Filed: November 2, 1977
    Date of Patent: July 29, 1980
    Inventors: Jury F. Balandin, Vladimir I. Badanin, Igor V. Gorynin, Lev Y. Gluskin, Jury I. Zvezdin, Vladimir A. Nikolaev, Anatoly M. Parshin, Nikolai N. Zorev, Anatoly A. Astafiev, Vladimir S. Dub, Oleg M. Vishkarev, Sergei I. Markov, Jury V. Sobolev, Valentin I. Kozlov