CHINA ALUMINUM INTERNATIONAL ENGINEERING CORPORATION LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C10B DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS 217
 
  
 
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 223
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS123

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8833637 Live welding method and arrangement for aluminum electrolytic cell under series full currentNov 17, 10Sep 16, 14[C25D, C25C, B23K]
7792177 Method and furnace for electrical calcination enabling utilization of volatile mattersAug 30, 06Sep 07, 10[H05B, F27D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0276,580 TOOL TROLLEY FOR ELECTROLYSIS MULTIFUNCTIONAL MACHINE SETAbandonedNov 03, 10Oct 24, 13[B23Q, C25C]
2013/0277,212 Cathode Boss Structure for Aluminum Electrolytic CellAbandonedJan 07, 11Oct 24, 13[C25C]
2013/0233,704 Replaceable Cathode Choking Devices of Aluminum Reduction CellAbandonedJan 06, 11Sep 12, 13[C25C]
2013/0186,749 Cell Bottom Structure of Reduction CellAbandonedJan 06, 11Jul 25, 13[C25C]
2012/0279,054 Method of Configuring Cathodes of an Aluminum Reduction CellAbandonedDec 31, 10Nov 08, 12[H01M]

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