Inventor
METZGER HERBERT
DE7 patents
Patents
7 patentsUS5202079AApr 13, 1993
Means and method for determining the degree of wear of a gas injection device
DIDIER WERKE AG9 citations72
US4978108ADec 18, 1990
Gas washing sink without integral closure member
DIDIER WERKE AG8 citations71
US5160478ANov 3, 1992
Gas flushing apparatus for metallurgical vessel
DIDIER WERKE AG6 citations66
US5279993AJan 18, 1994
Gas injection stone and process of manufacture thereof
DIDIER WERKE AG5 citations60
US5056762AOct 15, 1991
Apparatus for mounting a gas washing sink in a centered manner in a perforated brick
DIDIER WERKE AG3 citations60
US5007621AApr 16, 1991
Apparatus for mounting a gas washing sink in a centered manner in perforated brick
DIDIER WERKE AG2 citations60
US5127632AJul 7, 1992
Gas flushing device including perforated brick and gas flushing stone assembly
DIDIER WERKE AG1 citations51