HS

Heinrich Schliefer

NA Norddeutsche Affinerie Aktiengesellschaft: 2 patents #7 of 41Top 20%
📍 Maschen, DE: #1 of 1 inventorsTop 100%
Overall (All Time): #2,160,865 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7264767 Method and device for reducing the oxygen content of a copper melt Alexander Khoury, Stefan Schneider 2007-09-04
4615351 Method of and apparatus for monitoring the surface level of material in a vessel Rudiger Naaf, Rolf Christ 1986-10-07