Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5070225 | Method for overhead submerged arc welding and apparatus to implement the same | Boris E. Paton, Vladimir V. Podgaetsky, Pavel A. Varenchuk, Vladimir I. Galinich, Valentin D. Kovalev +1 more | 1991-12-03 |
| 5004885 | Apparatus for overhead submerged-arc welding | Konstantin A. Juschenko, Pavel A. Varenchuk, Valentin D. Kovalev, Anatoly I. Chvertko, Vladimir G. Kuzmenko | 1991-04-02 |
| 4994645 | Apparatus for overhead submerged-arc welding | Pavel A. Varenchuk, Valentin D. Kovalev, Mikhail Ivanenko, Vladimir I. Galinich, Anatoly V. Zalevsky +1 more | 1991-02-19 |