Inventor · disambiguated record
Romain Frieden
Also filed as: FRIEDEN ROMAIN
9 granted patents·2 pending applications·67 citations·filing 1979–2011
87Inventor score
Top patents by PatentIndex Score
11 records- 0176US5540895ADevice for the treatment of mixture of steam and air contaminated with sulphurous gases, formed during the granulation and dehydration of blast furnace slagWURTH PAUL SA·Filed 1994·Granted Jul 30, 1996·29 cites·19 claims
- 0253US4306828ACombined flow control and isolation valveWURTH PAUL SA·Filed 1979·Granted Dec 22, 1981·7 cites·14 claims
- 0347US6451086B2Process for thermal treatment of residual materials containing heavy metal and iron oxideWURTH PAUL SA·Filed 2001·Granted Sep 17, 2002·3 cites·22 claims
- 0447US6210155B1Charging device for a rotary hearth furnaceWURTH PAUL SA·Filed 1998·Granted Apr 3, 2001·5 cites·16 claims
- 0541US6010041ADevice for discharge of bulk material from a pressure vesselWURTH PAUL SA·Filed 1998·Granted Jan 4, 2000·10 cites·32 claims
- 0641US2007022842A1Device and method for enhancing zinc yield from bottom drossMISSIRIOTIS GEORGE·Filed 2006·Application pending·0 cites
- 0740US6464752B1Method for producing directly reduced, desulphurized ironWURTH PAUL SA·Filed 1999·Granted Oct 15, 2002·4 cites·12 claims
- 0839US2013152632A1Method and device for manufacturing vitreous slagFRIEDEN ROMAIN·Filed 2011·Application pending·0 cites
- 0938US6383252B1Method for the heat treatment of residues containing heavy metalsWURTH PAUL SA·Filed 1999·Granted May 7, 2002·3 cites·18 claims
- 1037US6395057B1Method for producing directly reduced iron in a layered furnaceWURTH PAUL SA·Filed 1998·Granted May 28, 2002·3 cites·13 claims
- 1132US6391088B1Method for heat-treating recyclings containing oil and iron oxideWURTH PAUL SA·Filed 1999·Granted May 21, 2002·3 cites·22 claims
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