HYUNDAI ENGINEERING & CONSTRUCTION CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 36
 
  
 
B07B SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, OR SIFTING OR BY USING GAS CURRENTS; OTHER SEPARATING BY DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL 219
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B04C APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES 112
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 115

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9718104 System and method for remediating highly contaminated fine soil using multiple micro hydrocyclonesMar 28, 12Aug 01, 17[B04C, B09C, B07B]
9649674 Particle size selective remediation system and method for heavy metals-contaminated soil by dry-disintegration and separationMar 21, 13May 16, 17[B02C, B09C, B07B]
9487412 System and method for remediating contaminated soil by separation of highly contaminated coarse soilMar 28, 12Nov 08, 16[B09C, B07B, C02F]
8690478 Tunnel reinforcement structure and tunnel construction method capable of controlling ground displacement using pressurizationOct 12, 11Apr 08, 14[E21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0295,625 Apparatus and Method for Treating Organic WasteAbandonedNov 30, 11Nov 07, 13[C12M]
6142867 Indicating apparatus for a damper opening/closing apparatus of an air diffuserExpiredSep 04, 97Nov 07, 00[F24F]
6062085 Interpenetration apparatus for meausurement of underground blasting vibrationExpiredJan 20, 98May 16, 00[G01H, G01D]

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