SD

Stanislav D. Dobrovolsky

📍 Ruse, BG: #53 of 655 inventorsTop 9%
Overall (All Time): #1,682,220 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4471203 Program control device for controlling flash butt welding process Vladimir K. Lebedev, Sergei I. Kuchuk-Yatsenko, Valery G. Krivenko, Vitaly T. Cherednichok, Vasily A. Sakharnov +1 more 1984-09-11
4297665 Doughnut-type transformer for resistance butt welding Boris E. Paton, Vladimir K. Lebedev, Sergei I. Kuchuk-Yatsenko, Vasily A. Sakharnov, Boris A. Galyan 1981-10-27
4249153 Ring transformer for resistance butt welders Boris E. Paton, Vladimir K. Lebedev, Sergei I. Kuchuk-Yatsenko, Vasily A. Sakharnov, Boris A. Galyan +1 more 1981-02-03