Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 4323752 | Pipe resistance butt welding apparatus | Vladimir K. Lebedev, Sergei I. Kuchuk-Yatsenko, Vasily A. Sakharnov, Boris A. Galyan | 1982-04-06 |
| 4310737 | Pipe resistance butt welding apparatus | Vladimir K. Lebedev, Sergei I. Kuchuk-Yatsenko, Vasily A. Sakharnov, Boris A. Galyan, Alexandr P. Miroshnichenko | 1982-01-12 |