Patents by Inventor Nikolai T. Shevchenko

Nikolai T. Shevchenko 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).

  • Patent number: 4495395
    Abstract: Ground metallic adding material is fed into the welding gap. Electrodes are introduced into the gap in pairs, one electrode in a pair opposite the other, at an angle equal to the angle of divergence of the end faces being welded together. The electrodes are positioned so that their larger faces are parallel with the end faces being welded together and the smaller faces extend beyond the side surface of the workpiece being welded.
    Type: Grant
    Filed: September 20, 1982
    Date of Patent: January 22, 1985
    Assignee: Institut Elektrosvarki Imeni E.O.Patona
    Inventors: Boris I. Medovar, Vladimir P. Andreev, Vladimir V. Kozik, Nikolai T. Shevchenko, Dmitry U. Spisarenko, Vladimir P. Malevanny, Vladimir F. Karpov, Viktor V. Chernykh, Anatoly D. Chepurnoi, Evgeny A. Matsegora, Lev A. Shuruev