RH

Rudolf Heng

MA Metallgesellschaft Ag: 2 patents #164 of 715Top 25%
📍 Oberursel, DE: #111 of 286 inventorsTop 40%
Overall (All Time): #2,299,799 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5186920 Recovering TiO.sub.2 concentrates from TiO.sub.2 -containing substances Walter Koch, Ali-Naghi Beyzavi 1993-02-16
4775107 Method of processing small batteries Walter Koch, Hartmut Pietsch 1988-10-04