WOONGJIN COWAY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 16118
 
  
 
2304 VENTILATION AND AIR-CONDITIONING EQUIPMENT1519
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT1337
 
  
 
A47K SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR 720
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 748
 
  
 
F25C PRODUCTION, WORKING, STORING OR DISTRIBUTION OF ICE 520
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 454
 
  
 
E03D WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR420
 
  
 
A47L DOMESTIC WASHING OR CLEANING 357
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING370

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9908159 Washing device for water treatment apparatus and washing method thereofAug 04, 15Mar 06, 18[B08B, C02F]
9897374 Cold water tankMar 21, 11Feb 20, 18[F25B, F25D]
9604264 Washing device for water treatment apparatus and washing method thereofAug 04, 15Mar 28, 17[B08B, C02F]
9568228 Ice making methodJun 22, 11Feb 14, 17[F25B, F25C, F25D]
9556042 Water softener having timer control valveSep 30, 10Jan 31, 17[F16K, C02F]
9541320 Ice making methodJun 22, 11Jan 10, 17[F25B, F25C, F25D]
9528738 Ice maker and method of controlling the sameDec 30, 09Dec 27, 16[F25C, A23G]
9500399 Water purifier with ice makerJun 22, 10Nov 22, 16[F25C]
9488385 Heater including electrical leakage breaker circuit, method of breaking electrical leakage using the same, and bidet including the sameJun 23, 11Nov 08, 16[F24H, H05B, A47K, E03D]
9470447 Ice maker and water purifier having the sameJan 30, 15Oct 18, 16[F25C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0067,763 METHOD OF CONTROLLING THE FINISHING OF OPERATION OF A DRYING FURNACE ASSEMBLY IN A FOOD WASTE DISPOSERAbandonedMay 12, 11Mar 21, 13[F26B]
2013/0026,195 WATER STORAGE AND DISCHARGE APPARATUSAbandonedSep 29, 10Jan 31, 13[B65D]
8342436 Pulverizing screw, pulverizing casing and pulverizer for food waste treatment apparatus having the sameExpiredMay 08, 12Jan 01, 13[B02C]
2012/0285,659 HEAT EXCHANGER, A FOOD HANDLER INCLUDING THE HEAT EXCHANGER, AND A MANUFACTURING METHOD OF THE HEAT EXCHANGERAbandonedSep 29, 10Nov 15, 12[F28F, B21D]
8267339 Transfer unit having transfer rotor and food waste treatment apparatus using the sameExpiredFeb 10, 10Sep 18, 12[B02C, B07B]
2012/0224,838 METHOD AND APPARATUS FOR SUPPLYING HOT WATER BY CONTROLLING THE NUMBER OF PULSES APPLIED TO A HEATERAbandonedSep 30, 10Sep 06, 12[F24H]
2012/0148,507 COMPOSITION FOR PREVENTING INFECTION OF NEW INFLUENZA A (H1N1) VIRUS COMPRISING GINKGO EXTRACT, AIR FILTER COMPRISING THE SAME, AND AIR CLEANING DEVICE COMPRISING THE FILTERAbandonedFeb 23, 12Jun 14, 12[A01P, A61K, A01N, B05D, A61P, A61Q]
8191811 Pulverizing screw, pulverizing casing and pulverizer for food waste treatment apparatus having the sameExpiredJun 29, 09Jun 05, 12[B02C]
8152084 Drier for food waste disposal systemExpiredDec 23, 10Apr 10, 12[B02C]
8146848 Pulverizer for food waste treatment apparatusExpiredJun 30, 09Apr 03, 12[B02C]
2012/0073,037 TEMPERATURE-CONTROLLABLE HEATED SEAT AND HEATED BIDETAbandonedSep 26, 11Mar 29, 12[H05B, E03D]
2012/0073,518 WATER PURIFIERAbandonedJun 08, 10Mar 29, 12[F24H, F16K]
2012/0039,757 FILTERING DEVICE FOR FOOD WASTE TREATMENT APPARATUSAbandonedMay 12, 09Feb 16, 12[B01D]
2011/0277,856 VALVE FOR REGULATING WATER QUANTITYAbandonedFeb 26, 10Nov 17, 11[F16K]
2011/0155,567 DEODORIZATION MODULE AND FOOD WASTE TREATMENT APPARATUS HAVING THE SAMEAbandonedJun 24, 10Jun 30, 11[C25C, C25B, F28F, F23C]
2011/0126,501 COMPOSITION FOR PREVENTION OF INFLUENZA VIRAL INFECTION COMPRISING TANNIC ACID, AIR FILTER COMPRISING THE SAME AND AIR CLEANING DEVICE COMPRISING THE FILTERAbandonedMay 27, 10Jun 02, 11[A61K, B05D, A61P, B01D]
2011/0085,992 COMPOSITION FOR PREVENTING INFECTION OF NEW INFLUENZA A (H1N1) VIRUS COMPRISING GINKGO EXTRACT, AIR FILTER COMPRISING THE SAME, AND AIR CLEANING DEVICE COMPRISING THE FILTERAbandonedMay 27, 10Apr 14, 11[A61K, B05D, A61P, A61Q]
2011/0078,915 VALVE EXHAUSTING APPARATUS AND A DRIER OF FOOD TREATMENT SYSTEM HAVING ITAbandonedSep 04, 08Apr 07, 11[F16K, B02C, D06F]
2011/0072,611 SUCTION HEAD FOR A VACUUM CLEANERAbandonedJun 26, 09Mar 31, 11[A47L]
2011/0077,774 ROBOT CLEANER SYSTEM AND METHOD FOR CONTROLLING A ROBOT CLEANERAbandonedJun 01, 09Mar 31, 11[B25J]

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