KOREA ELECTRIC POWER CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 22137
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 14433
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 13193
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 12108
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1198
 
  
 
B01D SEPARATION 10124
 
  
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 869
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 6148
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 6279
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 596

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0298,905 SYSTEM AND METHOD FOR CONTROLLING OUTPUT EVAPORATION RATE OF WIND POWER PLANTMay 20, 15Oct 19, 17[F03D]
2016/0377,351 HEAT EXCHANGE APPARATUS FOR CIRCULATING FLUIDIZED BED BOILERSJun 24, 16Dec 29, 16[F28D]
2016/0109,183 MULTIPATH CROSS FLOW HEAT EXCHANGERSep 25, 13Apr 21, 16[F28D]
2016/0091,413 SENSOR FOR MONITORING CORROSION AND METHOD OF MANUFACTURING THE SAMESep 29, 15Mar 31, 16[G01N, G01R]
2016/0082,411 SOLID CARBON DIOXIDE ABSORBENT COMPOSITION AND SOLID CARBON DIOXIDE ABSORBENT CONTAINING THE SAMEJun 18, 14Mar 24, 16[B01J, B01D]
2015/0214,739 DEVICE AND METHOD FOR COOPERATION CONTROL OF EMS AND DMSSep 17, 13Jul 30, 15[H02J, G05B]
2015/0082,800 METHOD FOR SUPPRESSING GENERATION OF YELLOW PLUM OF COMPLEX THERMAL POWER PLANT USING HIGH THERMAL CAPACITY GASSep 25, 13Mar 26, 15[F02C]
2014/0236,498 APPARATUS FOR MONITORING WIND TURBINE BLADE AND METHOD THEREOFSep 20, 12Aug 21, 14[G01N]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9885744 System and method for detecting an abnormal waveform in a power distribution systemSep 30, 11Feb 06, 18[H02J, G01R]
9882504 HVDC rectifier protection using estimated and measured powerNov 23, 16Jan 30, 18[H02J, H02M]
9871377 Device and method for cooperation control of EMS and DMSSep 17, 13Jan 16, 18[H02J, G05B]
9844766 Solid carbon dioxide absorbent including amine or a compound thereof for use in the capturing process of dry carbon dioxide, and method for manufacturing sameOct 31, 11Dec 19, 17[B01J, B01D]
9838228 Device for removing partial discharge noise and method of diagnosing the sameSep 28, 12Dec 05, 17[H04L, G01N, G01R]
9797954 System and method for management of circuit breaker counterSep 30, 15Oct 24, 17[G01R, H01H]
9766283 Transformer fault detection apparatus and methodAug 12, 14Sep 19, 17[G01N, G01R]
9709532 Pipeline inspection device and pipeline inspection systemJul 17, 13Jul 18, 17[F16L, G01N, G01B]
9688558 Apparatus for concentration reaction of carbon dioxide using magnesium ions in seawater, and method for sequestrating carbon dioxide in ocean using sameAug 14, 12Jun 27, 17[C02F, B01D]
9692311 High-voltage direct current converter including a 12-pulse diode recitifier connected in series with a voltage-source converterJun 27, 14Jun 27, 17[H02J, H02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0107,926 DISTANCE RELAY USING REAL TIME LIGHTNING DATAAbandonedDec 18, 13Apr 17, 14[G01R, G01W]
2014/0035,760 WATT-HOUR METER AND METHOD OF DETECTION OF ABNORMAL STATUS THEREOFAbandonedJun 21, 13Feb 06, 14[G01D]
2014/0012,525 POWER MEASURING APPARATUS AND OPERATING METHOD THEREOFAbandonedJul 01, 13Jan 09, 14[G01R]
2013/0176,016 SIGNAL CONVERTING APPARATUS OF POWER METERING SYSTEM, POWER METERING SYSTEM AND METHOD FOR SIGNAL-CONVERTING IN POWER METERING SYSTEMAbandonedNov 15, 12Jul 11, 13[H03M, G01R]
2013/0080,093 POWER COMPUTING APPARATUS AND METHODAbandonedMay 24, 12Mar 28, 13[G06F, G01R]
2012/0161,750 ELECTRONIC WATT-HOUR METER AND METHOD OF CALCULATING WATT-HOURSAbandonedMar 02, 11Jun 28, 12[G01R]
2012/0084,029 ELECTRONIC WATT-HOUR METER MANAGING MULTIPLE INPUT SIGNALS AND METHOD OF CALCULATING WATT-HOURSAbandonedSep 27, 11Apr 05, 12[G06F, G01R]
2012/0036,355 Method and system for encrypting and decrypting transaction in power networkAbandonedSep 30, 10Feb 09, 12[H04L]
2011/0118,999 MEASUREMENT POSITION AND TIME RECORDING TYPE MAGNETOMETER AND METHOD OF MEASURING MAGNETIC FIELD USING THE SAMEAbandonedAug 23, 07May 19, 11[G06F, G01R]
2011/0100,156 STRESS-REDUCING TYPE ROTORAbandonedMar 16, 10May 05, 11[F16F]
2011/0077,866 DISTANCE RELAY USING REAL TIME LIGHTNING DATAAbandonedSep 14, 10Mar 31, 11[G06F, G01R, G01W]
2011/0056,227 HEAT RECOVERY SYSTEM OF PLANT USING HEAT PUMPAbandonedDec 15, 09Mar 10, 11[F25B, F24F]
2011/0036,758 ELECTROSTATIC SEPARATOR FOR UNBURNED CARBON FROM COAL ASH USING ELECTROSTATIC INDUCTION TYPE EJECTOR TRIBOCHARGERAbandonedNov 06, 09Feb 17, 11[B03C]
2011/0031,747 VARIABLE LIQUID COLUMN OSCILLATOR USING WAVE ENERGYAbandonedNov 06, 09Feb 10, 11[F03B]
2010/0134,114 Apparatus and Method for Three-Pole Type Measuring Specific Soil Resistance Measurement for Distribution GroundingAbandonedDec 03, 08Jun 03, 10[G01R, G01V]
2010/0101,365 FLYWHEEL STRUCTURE OF ENERGY STORAGE APPARATUSAbandonedSep 25, 09Apr 29, 10[F16F]
2010/0102,976 SYSTEM AND METHOD FOR MONITORING VIBRATION OF POWER TRANSFORMERAbandonedDec 29, 08Apr 29, 10[G08B, G01M]
2010/0104,059 RENORMALIZATION METHOD OF EXCORE DETECTORAbandonedDec 29, 08Apr 29, 10[G21C]
2010/0106,342 DAY-AHEAD LOAD REDUCTION SYSTEM BASED ON CUSTOMER BASELINE LOADAbandonedOct 09, 09Apr 29, 10[G06F]
2010/0100,341 POWER METER BASED ON SYSTEM ON CHIPAbandonedJan 08, 09Apr 22, 10[G06F, G01R]

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