Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4484057 | Resistance flash butt welding process monitor | Vadim P. Krivonos, Boris L. Grabchev, Evgeny I. Dovgodko, Alexandr M. Kobylin | 1984-11-20 |
| 4415793 | Welder for continuous resistance flash-butt welding | Sergei I. Kuchuk-Yatsenko, Vadim P. Krivonos, Boris L. Grabchev | 1983-11-15 |
| 4296305 | Machine for continuous flash butt welding | Viktor Senderovich Lifshits, Vadim P. Krivonos, Boris L. Grabchev, Vladimir R. Andrianov, Rifkhat M. Shakirov | 1981-10-20 |
| 4208569 | Device for controlling the process of flash-butt welding | Sergei I. Kuchuk-Yatsenko, Valery G. Krivenko, Vadim P. Krivonos, Boris L. G. Chev | 1980-06-17 |