Inventor
SCHLIEFER HEINRICH
DE3 patents
Patents
3 patentsUS7264767B2Sep 4, 2007
Method and device for reducing the oxygen content of a copper melt
NORDDEUTSCHE AFFINERIE11 citations77
US4615351AOct 7, 1986
Method of and apparatus for monitoring the surface level of material in a vessel
NORDDEUTSCHE AFFINERIE10 citations64
US4065250ADec 27, 1977
Method of independently adjusting the fuel mixture composition and melting rate of multiburner shaft furnaces for melting metals
NORDDEUTSCHE AFFINERIE18 citations64