Assignee
USINOR
FR·114 granted patents·9 pending applications·1,358 citations·filing 1975–2011
Top patents by PatentIndex Score
123 records- 0194US6358338B1Process for manufacturing strip made of an iron-carbon-manganese alloy, and strip thus producedUSINOR·Filed 2000·Granted Mar 19, 2002·88 cites·14 claims
- 0293US6564604B2Process for the manufacture of a part with very high mechanical properties, formed by stamping of a strip of rolled steel sheet and more particularly hot rolled and coatedUSINOR·Filed 2001·Granted May 20, 2003·89 cites·7 claims
- 0393US6096441AAustenoferritic stainless steel having a very low nickel content and a high tensile elongationUSINOR·Filed 1998·Granted Aug 1, 2000·104 cites·19 claims
- 0491US6328826B1Method of fabricating “TRIP” steel in the form of thin strip, and thin strip obtained in this wayUSINOR·Filed 2000·Granted Dec 11, 2001·44 cites·12 claims
- 0589US6588494B1Method for continuous casting of highly ductile ferritic stainless steel strips between rolls, and resulting thin stripsUSINOR·Filed 2000·Granted Jul 8, 2003·34 cites·3 claims
- 0689US4437651ACooling plate for blast-furnacesUSINOR·Filed 1981·Granted Mar 20, 1984·48 cites·5 claims
- 0787US7462251B2Method for making an abrasion-resistant steel plateUSINOR·Filed 2003·Granted Dec 9, 2008·18 cites·9 claims
- 0887US4833903AMethod and device for press-forming sheet metalUSINOR·Filed 1987·Granted May 30, 1989·35 cites·20 claims
- 0986US6051058AProtective coating comprising boron nitride for refractory material members of an ingot mold for continuous casting of metalsUSINOR·Filed 1997·Granted Apr 18, 2000·33 cites·10 claims
- 1082US6592968B1Composite sheet intended for drawing, comprising a main sheet and at least one adhesively bonded patching sheet blank as a patchUSINOR·Filed 2000·Granted Jul 15, 2003·35 cites·18 claims
- 1181US4150712AContinuous-casting mould provided with an electromagnetic stirring deviceUSINOR·Filed 1978·Granted Apr 24, 1979·19 cites·10 claims
- 1278US6056917AAustenitic stainless steel having a very low nickel contentUSINOR·Filed 1998·Granted May 2, 2000·37 cites·18 claims
- 1377US7258157B2Lateral face of an installation used for the twin-roll continuous casting of metal bandsUSINOR·Filed 2003·Granted Aug 21, 2007·8 cites·16 claims
- 1477US6582835B2Coated ferrite stainless steel sheet usable in the automobile exhaust sectorUSINOR·Filed 2001·Granted Jun 24, 2003·17 cites·25 claims
- 1577US4186629ADevice for untightening and tightening nutsUSINOR·Filed 1977·Granted Feb 5, 1980·22 cites·4 claims
- 1676US6852180B1Method for making carbon steel bands, in particular packaging steel bands, and resulting bandsUSINOR·Filed 2000·Granted Feb 8, 2005·17 cites·29 claims
- 1776US6106638AProcess for manufacturing thin strip of ferritic stainless steel, and thin strip thus obtainedUSINOR·Filed 1998·Granted Aug 22, 2000·22 cites·7 claims
- 1876US6086689AProcess for manufacturing a foil of ferritic stainless steel having a high aluminum content, aluminum-containing ferritic stainless steel, and catalyst support useful for a motor-vehicle exhaustUSINOR·Filed 1998·Granted Jul 11, 2000·26 cites·10 claims
- 1975US6739383B1Method for continuously casting between two rolls austenitic stainless steel strips with excellent surface quality and resulting stripsUSINOR·Filed 2000·Granted May 25, 2004·9 cites·4 claims
- 2075US6622779B1Method for continuously casting ferritic stainless steel strips free of microcracksUSINOR·Filed 2000·Granted Sep 23, 2003·9 cites·4 claims
- 2175US6419004B1Mold or wide cross section for the hot-top vertical continuous casting of metalsUSINOR·Filed 2000·Granted Jul 16, 2002·10 cites·6 claims
- 2275US6398286B1Reinforced and lightweight motor-vehicle bonnettUSINOR·Filed 2000·Granted Jun 4, 2002·27 cites·6 claims
- 2374US6082437ASide wall for closing off the casting space of a plant for the twin-roll continuous casting of thin metal stripUSINOR·Filed 1998·Granted Jul 4, 2000·17 cites·6 claims
- 2474US4103730AProcess for electromagnetic stirringUSINOR·Filed 1976·Granted Aug 1, 1978·14 cites·4 claims
- 2573US6685763B1Treatment for improving the castability of aluminum killed continuously cast steelUSINOR·Filed 2000·Granted Feb 3, 2004·8 cites·9 claims
- 2673USRE37214EDevice for continuous casting between rolls with applied side damsUSINOR·Filed 1998·Granted Jun 12, 2001·13 cites·48 claims
- 2773US4762653AProcess for preparing especially metallic and semi-metallic bands of small thicknessUSINOR·Filed 1986·Granted Aug 9, 1988·16 cites·10 claims
- 2872US7416615B2Very-high-strength and low-density, hot-rolled steel sheet and manufacturing processUSINOR·Filed 2003·Granted Aug 26, 2008·9 cites·12 claims
- 2969US7699947B2Ultrahigh strength hot-rolled steel and method of producing bandsUSINOR·Filed 2004·Granted Apr 20, 2010·11 cites·12 claims
- 3068US6387535B1Sheet having a multilayer structureUSINOR·Filed 1998·Granted May 14, 2002·40 cites·13 claims
- 3168US4289005AProcess and device for controlling the flatness of a cold-rolled metal sheetUSINOR·Filed 1979·Granted Sep 15, 1981·27 cites·23 claims
- 3267US6709372B2Roller for metal strip transfer in a continuous annealing furnaceUSINOR·Filed 2002·Granted Mar 23, 2004·7 cites·7 claims
- 3367US5992196AProcess for pickling a piece of steel and in particular a sheet strip of stainless steelUSINOR·Filed 1998·Granted Nov 30, 1999·11 cites·5 claims
- 3467US4775392ACoal gasification installationUSINOR·Filed 1987·Granted Oct 4, 1988·19 cites·7 claims
- 3566US7674339B2Method for the plasma cleaning of the surface of a material coated with an organic substance and the installation for carrying out said methodUSINOR·Filed 2003·Granted Mar 9, 2010·6 cites·10 claims
- 3666US7425240B2Method for the production of a siderurgical product made of carbon steel with a high copper contentUSINOR·Filed 2003·Granted Sep 16, 2008·5 cites·19 claims
- 3766US6896747B2Austenitic alloy for heat strength with improved pouring and manufacturing, process for manufacturing billets and wireUSINOR·Filed 2002·Granted May 24, 2005·7 cites·12 claims
- 3865US6914213B2Method and device for overlapping welding of two coated metal sheets with a beam of high energy densityUSINOR·Filed 2002·Granted Jul 5, 2005·19 cites·15 claims
- 3965US4268305AProcess for treating liquid steel intended in particular for manufacturing machine wireUSINOR·Filed 1978·Granted May 19, 1981·9 cites·6 claims
- 4065US4185649AArrangement of the input and output ends of a metal sheet cooling machineUSINOR·Filed 1978·Granted Jan 29, 1980·12 cites·12 claims
- 4162US6454861B1Coating plant for obtaining a coated sheetUSINOR·Filed 2000·Granted Sep 24, 2002·7 cites·3 claims
- 4261US6682828B2Steel sheet provided with a coating comprising a main layer of zinc-chromium alloy the predominant phase of which has a delta and/or zeta structureUSINOR·Filed 2002·Granted Jan 27, 2004·6 cites·15 claims
- 4361US4649867ACoal gasification reactor of the type employing a bath of liquid metalUSINOR·Filed 1985·Granted Mar 17, 1987·15 cites·10 claims
- 4459US7976647B2Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloyUSINOR·Filed 2003·Granted Jul 12, 2011·4 cites·4 claims
- 4559US6936307B2Method and installation for dip coating of a metal stripUSINOR·Filed 2001·Granted Aug 30, 2005·5 cites·18 claims
- 4659US4253113AMethod and apparatus for detecting surface defects on a band travelling at high speedUSINOR·Filed 1978·Granted Feb 24, 1981·22 cites·4 claims
- 4758US6554919B2Hot-rolled steel with very high elasticity limit and mechanical resistance usable in particular for auto parts productionUSINOR·Filed 2001·Granted Apr 29, 2003·3 cites·7 claims
- 4857US2011223441A1Very high mechanical strength steel and method for producing a sheet of this steel coated with zinc or zinc alloyUSINOR·Filed 2011·Application pending·0 cites
- 4956US6939586B2Method and installation for hot process and continuous dip coating of a metal stripUSINOR·Filed 2001·Granted Sep 6, 2005·4 cites·14 claims
- 5056US2008257456A1Method for the Production of a Siderurgical Product Made of Carbon Steel with a High Copper Content, and Siderurgical Product Obtained According to Said MethodUSINOR·Filed 2008·Application pending·0 cites
Showing the top 50 of 123 patent records by PatentIndex Score.
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