Inventor
LANGENFELD WILHELM
DE4 patents
Patents
4 patentsUS4984769AJan 15, 1991
Tap spout for metallurgical vessels and method of repairing
DIDIER WERKE AG14 citations71
US4522376AJun 11, 1985
Gas flushing inlet arrangement in a metallurgical vessel and method of operation of such an arrangement
DIDIER WERKE AG7 citations69
US4331471AMay 25, 1982
Method and device for installing and replacing a gas permeable insert in the wall of a vessel and for the introduction of gas therethrough
DIDIER WERKE AG12 citations67
US4022445AMay 10, 1977
Converter bottom structure
DIDIER WERKE AG2 citations51