EVRAZ INC. NA CANADA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL466
 
  
 
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 243
 
  
 
B21H MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS 17
 
  
 
C22C ALLOYS 171

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9670570 High carbon steel rail with enhanced ductilityApr 17, 14Jun 06, 17[C21D, C22C]
9334546 Method and apparatus for treatment of a rail weldNov 29, 11May 10, 16[C21D]
6024646 Swaged pin end of pipe connectionOct 02, 97Feb 15, 00[B21H]
5498035 Pipe couplingJul 14, 94Mar 12, 96[F16L]
5468029 Pipe couplingJul 14, 94Nov 21, 95[F16L]
5348350 Pipe couplingOct 03, 91Sep 20, 94[F16L]
5330239 Pipe couplingOct 03, 91Jul 19, 94[F16L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0174,457 PROCESS FOR OPTIMIZING STEEL FABRICATIONAbandonedJan 18, 10Jul 21, 11[B22D, C21B]

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