UNITED STATES STEEL CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
0506 ARTIFICIAL OR NATURAL SHEET MATERIAL612
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 118
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 117
 
  
 
C22C ALLOYS 171
 
  
 
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 1100
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8919670 Injection lance with variable swirlDec 09, 11Dec 30, 14[B05B, C21B]
8755923 Optimization systemDec 07, 10Jun 17, 14[G06F]
D657574 Sheet material with surface patternJan 22, 10Apr 17, 12[0506]
D651810 Sheet material with surface patternJan 22, 10Jan 10, 12[0506]
D651811 Sheet material with surface patternJan 22, 10Jan 10, 12[0506]
D651412 Sheet material with surface patternJan 22, 10Jan 03, 12[0506]
D650995 Sheet material with surface patternJan 22, 10Dec 27, 11[0506]
D650996 Sheet material with surface patternJan 22, 10Dec 27, 11[0506]
7604844 Method, system and apparatus for scraping a roll surface in a molten metal coating processJan 10, 08Oct 20, 09[B05D]
D599119 Sheet materialMay 22, 06Sep 01, 09[0502]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0340,874 METHOD TO REPAIR COMPROMISED INLET OUTLET PIPINGAbandonedDec 06, 12Dec 26, 13[C21B]
8146733 Idler roll sealExpiredJul 27, 10Apr 03, 12[B65G]
7955413 Method of producing transformation induced plasticity steels having improved castabilityExpiredApr 18, 08Jun 07, 11[C22C]
7341629 Method, system and apparatus for scraping a roll surface in a molten metal coating processExpiredFeb 15, 05Mar 11, 08[B05C]
7311789 Dual phase steel strip suitable for galvanizingExpiredMay 17, 04Dec 25, 07[C21D]
7291252 Electrocoating chrome-plated steelExpiredNov 25, 02Nov 06, 07[C25D]
2007/0228,729 TUBULAR GOODS WITH THREADED INTEGRAL JOINT CONNECTIONSAbandonedJun 05, 07Oct 04, 07[F16L]
7225657 Elimination of rolling mill chatterExpiredMay 03, 05Jun 05, 07[B21B]
7178436 Method of cutting carbon and alloy steelExpiredNov 07, 03Feb 20, 07[B27B]
2007/0017,952 Process line cascade steering controlAbandonedJul 22, 05Jan 25, 07[B65H]
2006/0162,824 Method for producing high strength, high ductility steel stripAbandonedJan 27, 05Jul 27, 06[C21D]
2006/0006,648 Tubular goods with threaded integral joint connectionsAbandonedSep 15, 05Jan 12, 06[F16L]
6976900 Automatic roll data acquisition systemExpiredMar 05, 04Dec 20, 05[B24B, G05B]
2005/0133,192 Tundish controlAbandonedDec 20, 04Jun 23, 05[B22D]
2005/0087,269 Method for producing line pipeAbandonedOct 12, 04Apr 28, 05[C21D]
6811624 Method for production of dual phase sheet steelExpiredJan 15, 03Nov 02, 04[C23C, C21D]
6673171 Medium carbon steel sheet and strip having enhanced uniform elongation and method for production thereofExpiredAug 16, 02Jan 06, 04[C21D]
2003/0178,314 Stainless steel electrolytic coatingAbandonedMar 17, 03Sep 25, 03[C25D]
6375346 Method for detecting the spalling of a layer of buildup of a refractory lining in a metallurgical furnaceExpiredFeb 07, 00Apr 23, 02[G01K, G01N]
6361624 Fully-stabilized steel for porcelain enamelingExpiredSep 11, 00Mar 26, 02[C21D, C22C]

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