MIDREX DIRECT REDUCTION CORPORATION

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21B MANUFACTURE OF IRON OR STEEL 221
 
  
 
C22B PRODUCTION OR REFINING OF METALS 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6251156 Method of producing molten iron in duplex furnacesOct 29, 99Jun 26, 01[C22B, C21B]
5435831 Circulating fluidizable bed co-processing of fines in a direct reduction systemAug 12, 94Jul 25, 95[C21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5431711 Circulating fluidized bed direct reduction systemExpiredAug 12, 94Jul 11, 95[C22B]

Top Inventors for This Owner

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