Inventor · disambiguated record
Jean-Luc Roth
Also filed as: ROTH JEAN-LUC
26 granted patents·4 pending applications·115 citations·filing 1982–2022
95Inventor score
Top patents by PatentIndex Score
30 records- 0179US8545597B2Method for operating a blast furnace and blast furnace installationROTH JEAN-LUC·Filed 2009·Granted Oct 1, 2013·4 cites·19 claims
- 0278US8088192B2Recovery of residues containing copper and other valuable metalsROTH JEAN-LUC·Filed 2008·Granted Jan 3, 2012·6 cites·18 claims
- 0376US6635096B1Method for optimizing the operating conditions of a submerged arc furnaceWURTH PAUL SA·Filed 2000·Granted Oct 21, 2003·10 cites·13 claims
- 0466US7169205B2Method for producing a melt iron in an electric furnaceWURTH PAUL SA·Filed 2002·Granted Jan 30, 2007·6 cites·16 claims
- 0565US8101153B2Method for the valorisation of zinc-and sulphate-rich residueROTH JEAN-LUC·Filed 2008·Granted Jan 24, 2012·3 cites·14 claims
- 0662US8550811B2Method for feeding hot gas to a shaft furnaceSIMOES JEAN-PAUL·Filed 2010·Granted Oct 8, 2013·2 cites·13 claims
- 0762US6582492B1Method for producing melt ironWURTH PAUL SA·Filed 2000·Granted Jun 24, 2003·3 cites·11 claims
- 0861US12392012B2Method for recovering metals contained in spent catalysts from ferro-alloysEURECAT SA·Filed 2020·Granted Aug 19, 2025·0 cites·20 claims
- 0957US4462792AReheating metal bodies with recovered blast-furnace energyINST RECH DE LA SIGERURGIE FRA·Filed 1982·Granted Jul 31, 1984·9 cites·8 claims
- 1057US2024191316A1Pyrometallurgical Method for Recycling Shredded Material of Waste from the Production of New and Defective or End-of-Life Batteries for Electric Vehicles or Portable Li-Ion BatteriesECORING·Filed 2022·Application pending·0 cites
- 1152US5851263AProcess for smelting steel in an electric arc furnace, and electric arc furnace for its implementationUSINOR SACILOR·Filed 1996·Granted Dec 22, 1998·12 cites·9 claims
- 1250US7951221B2Process for the treatment of contaminated metal residues and apparatus for implementing itWURTH PAUL SA·Filed 2007·Granted May 31, 2011·0 cites·11 claims
- 1348US6314123B1Method for continuous smelting of solid metal productsWURTH PAUL SA·Filed 1998·Granted Nov 6, 2001·9 cites·19 claims
- 1448US2008144692A1Electric Arc FurnaceWURTH PAUL SA·Filed 2006·Application pending·0 cites
- 1547US6238452B1Method for making steel in a liquid melt-fed electric furnaceWURTH PAUL SA·Filed 1997·Granted May 29, 2001·6 cites·20 claims
- 1646US7951220B2Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalystsWURTH PAUL SA·Filed 2008·Granted May 31, 2011·0 cites·13 claims
- 1746US7935174B2Treatment of steel plant sludges in a multiple-stage furnaceWURTH PAUL SA·Filed 2005·Granted May 3, 2011·0 cites·21 claims
- 1845US6945077B2Method for treating steel plant slagWURTH PAUL SA·Filed 2001·Granted Sep 20, 2005·0 cites·12 claims
- 1945US4745252ADevice for the homogenization of the temperature of passing metallic productsSIDERURGIE FSE INST RECH·Filed 1986·Granted May 17, 1988·11 cites·6 claims
- 2042US5316270ADevice for the charging of materials into a furnace and the preheating of theseINST RECERCHES DE LA SIDERURGI·Filed 1990·Granted May 31, 1994·8 cites·7 claims
- 2142US2011268632A1Hydrometallurgical method for the reuse of secondary zinc oxides rich in fluoride and chlorideWURTH PAUL SA·Filed 2009·Application pending·0 cites
- 2241US6452955B1Method for feeding fines or granules into a light-arc furnaceWURTH PAUL SA·Filed 1999·Granted Sep 17, 2002·4 cites·11 claims
- 2340US6464752B1Method for producing directly reduced, desulphurized ironWURTH PAUL SA·Filed 1999·Granted Oct 15, 2002·4 cites·12 claims
- 2439US6413469B1Method and installation for ladle treatment of steelWURTH PAUL SA·Filed 1998·Granted Jul 2, 2002·3 cites·5 claims
- 2538US6383252B1Method for the heat treatment of residues containing heavy metalsWURTH PAUL SA·Filed 1999·Granted May 7, 2002·3 cites·18 claims
- 2637US5562753AMethod and installation for producing molten steel from ferrous materials rich in carbonaceous materialsLORRAINE LAMINAGE·Filed 1994·Granted Oct 8, 1996·6 cites·11 claims
- 2737US2012031236A1Method and installation for producing direct reduced ironROTH JEAN-LUC·Filed 2010·Application pending·0 cites
- 2836USRE37897EMethod for making steel in a liquid melt-fed electric furnaceWURTH PAUL SA·Filed 1997·Granted Nov 5, 2002·2 cites·20 claims
- 2927US6516632B1Device for wet granulation of liquid-slagWORTH SA PAUL·Filed 1999·Granted Feb 11, 2003·1 cites·11 claims
- 3027US5868816AProcess for adjusting the composition of a liquid metal such as steel, and plant for its implementationLORRAINE LAMINAGE·Filed 1994·Granted Feb 9, 1999·3 cites·19 claims
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