Patents by Inventor Evgeny I. Dovgodko

Evgeny I. Dovgodko 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).

  • Resistance flash butt welding process monitor
    Patent number: 4484057
    Abstract: The apparatus comprises a current transformer coupled to the welding tranrmer primary and connected with an analog transmitter of the welding current and with a digital transmitter of the duration of short-circuits in the welding circuit, having a memory element at the output.
    Type: Grant
    Filed: January 15, 1982
    Date of Patent: November 20, 1984
    Assignee: Institut Elektrosvarki Imeni E.O. Patona Akademii Nauk Ukrainskoi SSR
    Inventors: Nikolai V. Podola, Vadim P. Krivonos, Boris L. Grabchev, Evgeny I. Dovgodko, Alexandr M. Kobylin