| 4885450 |
Machine for resistance butt welding of pipes |
Boris E. Paton, Vladimir K. Lebedev, Sergei I. Kuchuk-Yatsenko, Vasily A. Sakharnov, Alexandr K. Kharchenko |
1989-12-05 |
| 4549060 |
Mobile arrangement for laying a continuous pipeline |
Boris E. Paton, Boris E. Scherbina, Vladimir K. Lebedev, Oleg M. Ivantsov, Sergei I. Kuchuk-Yatsenko +6 more |
1985-10-22 |
| 4336436 |
Method for welding girth joints in pipe lines |
Vasily Y. Dubovetsky, Leonid N. Kopylov, Valentin A. Kotov, Jury I. Saprykin, Vladimir I. Slepchenko +12 more |
1982-06-22 |
| 4273985 |
Internal resistance pipe butt welder |
Boris E. Paton, Boris E. Scherbina, Vladimir K. Lebedev, Oleg M. Ivantsov, Sergei I. Kuchuk-Yatsenko +3 more |
1981-06-16 |
| 4269552 |
Apparatus for removing a welding bulge from resistance welded pipes |
Evgeny V. Rulevsky, Georgy A. Arendt, Vladimir G. Chirskov, Julian K. Konovalov, Vasily T. Ivanov +4 more |
1981-05-26 |
| 4231694 |
Apparatus for removing a welding bulge from pipes |
Evgeny V. Rulevsky, Fedor I. Sapa, Alexei T. Parkhomchuk, Arnold S. Yampolsky, Veniamin S. Rotenfeld +4 more |
1980-11-04 |