POSCO ENERGY CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 6148
 
  
 
F01K STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES 325
 
  
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 399
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 263
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 138
 
  
 
F02C GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS 158
 
  
 
F24D DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR 119
 
  
 
F25B REFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS 167
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0365,881 NANICL BATTERY AND MODULE USING SAMEMay 15, 15Dec 21, 17[H01M, C01G, C01F]
2017/0179,502 HEAT RECOVERY APPARATUS BASED ON FUEL CELL AND OPERATING METHOD THEREOFMar 01, 17Jun 22, 17[H01M]
2016/0245,085 ROTATION BODY OF NOZZLE FOR REACTION-TYPE STEAM TURBINEMay 23, 14Aug 25, 16[F01D]
2014/0349,202 HUMIDIFYING HEAT EXCHANGER FOR FUEL CELLDec 21, 12Nov 27, 14[H01M]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9793789 Apparatus and method for protecting grid-connected inverter from occurrence of low grid voltageJun 20, 14Oct 17, 17[H02J, H02M]
9746191 System for producing heat source for heating or electricity using medium/low temperature waste heat, and method for controlling the sameMay 20, 14Aug 29, 17[F01K, F25B, F24D]
9712043 Apparatus and method for controlling overcurrent of grid-connected inverter due to abnormal grid voltageJun 20, 14Jul 18, 17[H02M]
9620795 Heat recovery apparatus based on fuel cell and operating method thereofDec 21, 12Apr 11, 17[H01M]
9509207 Apparatus for compensating for ripple and offset of inverter and method thereforNov 14, 13Nov 29, 16[H02M]
9435230 Fuel cell hybrid systemDec 21, 12Sep 06, 16[F01K, H01M, F02C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0197,365 POWER GENERATION SYSTEMAbandonedAug 14, 13Jul 07, 16[H02K, H01M, F01D]
2015/0311,551 FUEL CELL SYSTEMAbandonedAug 14, 13Oct 29, 15[H01M]

Top Inventors for This Owner

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