USINOR

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 1534
 
  
 
C22C ALLOYS 1458
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 936
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM5152
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 353
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
B21B ROLLING OF METAL 230
 
  
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS258
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 2126

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2011/0223,441 VERY HIGH MECHANICAL STRENGTH STEEL AND METHOD FOR PRODUCING A SHEET OF THIS STEEL COATED WITH ZINC OR ZINC ALLOYMay 20, 11Sep 15, 11[B32B, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9502214 Method of cleaning the surface of a material coated with an organic substance and generator and device for carrying out said methodJun 16, 09Nov 22, 16[H01J, B08B, H05H, C23G]
9039846 Cold-rolled aluminum killed steel sheet and method of manufacturing packaging from said sheetMar 19, 03May 26, 15[C21D, C22C]
8926772 Method of producing austenitic iron/carbon/manganese steel sheets having a high strength and excellent toughness and being suitable for cold forming, and sheets thus producedJul 08, 04Jan 06, 15[H01M, C21D, C22C]
8877003 Method for the plasma cleaning of the surface of a material coated with an organic substance and the installation for carrying out said methodDec 04, 09Nov 04, 14[H01J, H01L, B08B, C23G, C23F]
8591660 Method for the plasma cleaning of the surface of a material coated with an organic substanceDec 04, 09Nov 26, 13[C03C]
8491734 Process of production and production system of high strength galvannealed steel sheetAug 19, 04Jul 23, 13[C23C]
8309004 Method for producing a composite partFeb 17, 05Nov 13, 12[B29C]
7976647 Very high mechanical strength steel and method for making a sheet thereof coated with zinc or zinc alloySep 04, 03Jul 12, 11[C21D]
7699947 Ultrahigh strength hot-rolled steel and method of producing bandsJan 14, 04Apr 20, 10[C21D, C22C]
7695826 Alloyed molten zinc plated steel sheet and process of production of sameMar 30, 04Apr 13, 10[C23C, B32B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0257,456 Method for the Production of a Siderurgical Product Made of Carbon Steel with a High Copper Content, and Siderurgical Product Obtained According to Said MethodAbandonedApr 28, 08Oct 23, 08[C21D, C22C]
7425240 Method for the production of a siderurgical product made of carbon steel with a high copper contentExpiredJan 13, 03Sep 16, 08[C21D]
7253904 Method and device for in-line measurement of characteristics of the surface coating of a metallurgy productExpiredJul 29, 03Aug 07, 07[G01N]
2007/0104,966 Metal-cured polyethylene-metal laminateAbandonedJun 22, 04May 10, 07[B32B]
7127438 Method of regulating and controlling a technical process such as spot-welding of metal sheetsExpiredFeb 12, 02Oct 24, 06[G06E]
2006/0169,373 Method and plant for continuous direct casting of a metal stripAbandonedJun 08, 04Aug 03, 06[B22D, C21D]
2006/0166,031 Plain or zinc-plated steel plate coated with a zinc or zinc alloy layer comprising a polymer, and method for making same by electroplatingAbandonedNov 14, 03Jul 27, 06[B21D, B32B]
2006/0144,482 Method of producing a cold-rolled band of dual-phase steel with a ferritic/martensitic structure and band thus obtainedAbandonedJan 30, 04Jul 06, 06[C21D]
2006/0147,743 Metallic sandwich sheetAbandonedNov 14, 03Jul 06, 06[B23K, B21C, B32B]
2006/0124,272 Continuous casting installation for the electromagnetic rotation of molten metal moving inside the nozzleAbandonedJun 08, 04Jun 15, 06[B22D]
2006/0108,341 Method and installation for pointing a fine fluid jet, in particular in welding, or laser hardfacingAbandonedOct 22, 03May 25, 06[B23K]
2006/0096,674 Method for coating the surface of a metallic material, device for carrying out said methodAbandonedAug 04, 03May 11, 06[C21D]
2006/0086,705 Device and method for controlling an operation involving the laser beam welding, hardfacing or machining of a partAbandonedJul 30, 03Apr 27, 06[B23K]
6991688 Method for oxalating the galvanized surface of sheet metalExpiredJan 09, 01Jan 31, 06[C23C]
6919302 Use of an oil composition for temporary treatment of metal surfacesExpiredMay 15, 01Jul 19, 05[C10M]
6914213 Method and device for overlapping welding of two coated metal sheets with a beam of high energy densityExpiredOct 03, 02Jul 05, 05[B23K]
6843826 Vacuum treatment of molten metal with simultaneous stirring by helium injectionExpiredDec 11, 02Jan 18, 05[C21C]
2004/0226,633 Method of producing coils of sheet metal and the spacer designed to implement said methodAbandonedJun 01, 04Nov 18, 04[C21D]
2004/0118,482 Method for treating metal surfaces by carboxylationAbandonedSep 26, 03Jun 24, 04[C23C]
2004/0108,634 Vacuum chamber notably for steel decarburisationAbandonedSep 23, 03Jun 10, 04[C21C]

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