Inventor
FRIEDEN ROMAIN
LU9 patents
Patents
9 patentsUS5540895AJul 30, 1996
Device for the treatment of mixture of steam and air contaminated with sulphurous gases, formed during the granulation and dehydration of blast furnace slag
WURTH PAUL SA29 citations90
US4306828ADec 22, 1981
Combined flow control and isolation valve
WURTH PAUL SA7 citations73
US6010041AJan 4, 2000
Device for discharge of bulk material from a pressure vessel
WURTH PAUL SA10 citations69
US6210155B1Apr 3, 2001
Charging device for a rotary hearth furnace
WURTH PAUL SA5 citations62
US6464752B1Oct 15, 2002
Method for producing directly reduced, desulphurized iron
WURTH PAUL SA4 citations61
US6451086B2Sep 17, 2002
Process for thermal treatment of residual materials containing heavy metal and iron oxide
WURTH PAUL SA3 citations61
US6395057B1May 28, 2002
Method for producing directly reduced iron in a layered furnace
WURTH PAUL SA3 citations61
US6391088B1May 21, 2002
Method for heat-treating recyclings containing oil and iron oxide
WURTH PAUL SA3 citations61
US6383252B1May 7, 2002
Method for the heat treatment of residues containing heavy metals
WURTH PAUL SA3 citations61