GS ENGINEERING & CONSTRUCTION CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253
 
  
 
B03B SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS 18
 
  
 
B03D FLOTATION; DIFFERENTIAL SEDIMENTATION 114
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 157
 
  
 
B09C RECLAMATION OF CONTAMINATED SOIL 18
 
  
 
E01D BRIDGES 114

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9428406 Membrane based desalination apparatus with osmotic energy recovery and membrane based desalination method with osmotic energy recoveryNov 26, 13Aug 30, 16[C02F, B01D]
9339759 Gas separation systemFeb 18, 15May 17, 16[C10L, B01D]
8695142 Partially and fully earth-anchored cable-stayed bridges using main-span prestressing unit and method of constructing the sameOct 21, 10Apr 15, 14[E01D]
7485231 Activated sludge process using downflow sludge blanket filtrationAug 27, 04Feb 03, 09[C02F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0198,790 FOOD WASTE PACKAGING APPARATUS FOR AN AUTOMATIC WASTE COLLECTION SYSTEMAbandonedAug 16, 10Aug 09, 12[B65B]

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