JD

Johannes Dratner

DS Danieli & C. Officine Meccaniche S.P.A.: 3 patents #75 of 355Top 25%
📍 Castrop-Rauxel, DE: #28 of 134 inventorsTop 25%
Overall (All Time): #1,633,726 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5940426 Adapter device for composite electrodes with an auxiliary reactance function on electric arc furnaces Gianni Gensini 1999-08-17
5905754 Automatic system for connection of pneumatic and hydraulic hoses on a composite electrode for arc furnaces Gianni Gensini 1999-05-18
5715273 Secondary circuit with variable impedance for electric arc furnaces Gianni Gensini, Daniele Merlino 1998-02-03