NP

Nikolai T. Privalov

📍 Ruse, BG: #53 of 655 inventorsTop 9%
Overall (All Time): #1,663,742 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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