Patents by Inventor Vitaly A. Kondrashkin

Vitaly A. Kondrashkin 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).

  • Composition of welding wire
    Patent number: 4843212
    Abstract: The present invention relates to compositions of welding wire comprised of carbon, manganese, silicon, aluminum, chromium, copper, nickel, calcium, rare-earth metals, iron in the following proportions, mass %:______________________________________ carbon 0.03 to 0.25 manganese 0.8 to 2.2 silicon 0.7 to 2.2 aluminium 0.005 to 0.2 chromium 0.01 to 0.25 copper 0.01 to 0.25 nickel 0.01 to 0.25 calcium 0.001 to 0.02 rare-earth metals 0.01 to 0.1 iron the balance.
    Type: Grant
    Filed: April 30, 1987
    Date of Patent: June 27, 1989
    Inventors: Yakov A. Shneerov, Valery A. Vikhlevschuk, Arkady E. Asnis, Vitaly A. Kondrashkin, Oleg V. Filonov, Vadim N. Gurov, Lia M. Gutman, Vadim R. Poklady, Vasily V. Zhilinsky, Valery A. Polyakov, Valery I. Nikitenko, Jury V. Bashmakov, Vladislav B. Burshtein, Emanuil F. Anastasiadi, Yaroslav I. Krainik, Konstantin P. Demerly, Pavel V. Ignatchenko, Dmitry E. Kozachenko, Vitaly P. Piptjuk