Patents by Inventor Stanislav E. Kondratjuk

Stanislav E. Kondratjuk 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).

  • Cast steel
    Patent number: 4929416
    Abstract: Cast steel has the composition (% by mass)______________________________________ carbon 1.6-3.0 silicon 1.2-1.6 manganese 11.0-15.0 chromium 9.0-10.8 cerium 0.001-0.2 vanadium 0.15-0.3 titanium 0.05-0.3 aluminium 0.05-0.15 boron 0.005-0.015 iron the balance. ______________________________________The steel according to the present invention is intended for the manufacture of articles, operating under conditions of an intensive shock-abrasive wear and high contact loads of a shock character.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: May 29, 1990
    Inventors: Vadim I. Tikhonovich, Vladimir D. Pavljuk, Bertold B. Vinokur, Stanislav E. Kondratjuk, Georgy G. Lutsenko, Vladimir K. Edemsky, Vladimir B. Kiselev, Nikolai M. Karasev, Anatoly K. Myakishev