National Engineering Research Center of Drying Technology and Equipment

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 3131
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
C01B NON-METALLIC ELEMENTS; COMPOUNDS THEREOF178
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 154
 
  
 
F28C HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION 17

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2014/0262,738 METHOD AND DEVICE FOR RECYCLING AND PURIFYING WATER VAPOR FROM COAL DRYING PROCESSDec 16, 13Sep 18, 14[C02F]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9850142 Method and device for recycling and purifying water vapor from coal drying processDec 16, 13Dec 26, 17[F28B, F28C, C02F, B01D]
9364785 Dehumidifying tower for exhaust gasJun 25, 13Jun 14, 16[B01D]
9352972 slurry and method for the sameMay 15, 13May 31, 16[C01B, B01J]
9126134 Exhaust gas separating tower and exhaust gas separating and recycling systemSep 04, 13Sep 08, 15[B01F, B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0262,736 METHOD AND DEVICE FOR RECYCLING WATER VAPOR EVAPORATED FROM COAL DRYING WITH VACUUM CONDENSING PROCESSAbandonedMar 13, 13Sep 18, 14[C02F]

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