Inventor
ROTHFUSS HANS
DE26 patents
⚠️ This page may combine multiple inventors who share the name “ROTHFUSS HANS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIDIER WERKE AG
23 patentsUS5249811AOct 5, 1993
Refractory joint packing for an annular gap in a metallurgical vessel
DIDIER WERKE AG10 citations74
US5106106AApr 21, 1992
Sealing structure for use in guiding molten metal from a metallurgical vessel and a seal thereof
DIDIER WERKE AG9 citations74
US5173199ADec 22, 1992
Apparatus for use in replacing a worn pouring pipe and for adjusting molten metal flow through a pouring pipe
DIDIER WERKE AG14 citations73
US4971295ANov 20, 1990
Safety-type gas washing sink having improved heat dissipation properties
DIDIER WERKE AG9 citations73
US4779849AOct 25, 1988
Gas washing device with reduced gas flow upon wear of gas sink
DIDIER WERKE AG7 citations73
US5202079AApr 13, 1993
Means and method for determining the degree of wear of a gas injection device
DIDIER WERKE AG9 citations72
US5152048AOct 6, 1992
Process for manufacturing a composite assembly of ceramic and steel
DIDIER WERKE AG9 citations71
US4984769AJan 15, 1991
Tap spout for metallurgical vessels and method of repairing
DIDIER WERKE AG14 citations71
US4978108ADec 18, 1990
Gas washing sink without integral closure member
DIDIER WERKE AG8 citations71
US4711432ADec 8, 1987
Gas washing device
DIDIER WERKE AG13 citations71
US5160478ANov 3, 1992
Gas flushing apparatus for metallurgical vessel
DIDIER WERKE AG6 citations66
US4545568AOct 8, 1985
Unfired refractory structural member in the form of a plate for use as an expendable lining of metallurgical vessels
DIDIER WERKE AG17 citations66
US5310164AMay 10, 1994
Tapping pipe and system for a converter or electric arc furnace
DIDIER WERKE AG8 citations64
US5413744AMay 9, 1995
Process for inductive heating of ceramic shaped parts
DIDIER WERKE AG5 citations62
US5190716AMar 2, 1993
Process for manufacturing and preheating a shaped ceramic part
DIDIER WERKE AG3 citations62
US4789086ADec 6, 1988
Refractory wear parts for sliding closure units
DIDIER WERKE AG2 citations62
US4995596AFeb 26, 1991
Apparatus for repairing a perforated brick in a metallurgical vessel
DIDIER WERKE AG2 citations61
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
US4695043ASep 22, 1987
Gas scavenging apparatus for metallurgical vessels
DIDIER WERKE AG6 citations58
US4905971AMar 6, 1990
Refractory ceramic sink
DIDIER WERKE AG5 citations55
US5127632AJul 7, 1992
Gas flushing device including perforated brick and gas flushing stone assembly
DIDIER WERKE AG1 citations51