ESM GROUP INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C21C PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL 315
 
  
 
C22B PRODUCTION OR REFINING OF METALS 226
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9259780 Rotational lance drive and rotational lance injection methodMar 15, 13Feb 16, 16[C22B, F27D, B22D, B01F, C21C]
8623270 Dual outlet injection systemJun 30, 09Jan 07, 14[C21C]
7939012 Skimmer apparatus and methodApr 29, 08May 10, 11[C22B]
7584876 Wire injector apparatusAug 17, 06Sep 08, 09[B65H]
6010658 Apparatus for desulfurization of iron utilizing two spaced apart lancesNov 12, 98Jan 04, 00[C21C]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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