CHINA SHENHUA ENERGY COMPANY LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 364
 
  
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 310
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 118
 
  
 
E04H BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL 129
 
  
 
E21C MINING OR QUARRYING121

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0176,639 AN ARTIFICIAL RETAINING DAM OF COAL MINE UNDERGROUND RESERVOIR AND METHOD FOR CONNECTING SECURITY COAL PILLAR, SURROUNDING ROCK WITH THE RETAINING DAMApr 10, 14Jun 23, 16[B65G]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9689128 Artificial dam of distributed coal mine underground reservoir and its constructing methodApr 10, 14Jun 27, 17[E21F, E02B]
9581023 Opencast coal mine underground water reservoirApr 27, 13Feb 28, 17[E21F, B65G, C02F, E04H]
9371185 Method for distributed storage and use of underground water in mineApr 27, 13Jun 21, 16[E21F, B65G, E21C]
8728296 Method for extracting gallium from fly ashApr 27, 11May 20, 14[C22B, C25C]
8568671 Method for preparing metallurgical-grade alumina by using fluidized bed fly ashApr 27, 11Oct 29, 13[C01F]
8505735 Vertical ring magnetic separator for de-ironing of pulverized coal ash and method using the sameFeb 23, 11Aug 13, 13[B03C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0068,628 METHOD FOR EXTRACTING GALLIUM FROM FLY ASHAbandonedApr 27, 11Mar 21, 13[C25C]

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