KEPCO NUCLEAR FUEL CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G21C NUCLEAR REACTORS 3118
 
 
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 786
 
 
 
C22C ALLOYS 567
 
 
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 532
 
 
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 517
 
 
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 346
 
 
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 337
 
 
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
 
 
B21B ROLLING OF METAL 230
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 254

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0033,507 APPARATUS AND METHOD FOR SUPPLYING PULSE TO SOLVENT EXTRACTION COLUMNOct 26, 16Feb 01, 18[G21F, F04B, B01D]
2017/0249,998 COMPOSITION AND METHOD FOR MANUFACTURING LARGE-GRAINED URANIUM OXIDE NUCLEAR FUEL PELLETSep 27, 16Aug 31, 17[G21C]
2017/0229,198 NUCLEAR FUEL ASSEMBLY TOP NOZZLE HAVING IN-CORE INSTRUMENT INSERTION STRUCTURE USING UPPER CORE PLATE GUIDE PINOct 22, 15Aug 10, 17[G21C]
2016/0304,991 ZIRCONIUM ALLOY HAVING EXCELLENT CORROSION RESISTANCE AND CREEP RESISTANCE AND METHOD OF MANUFACTURING THE SAMEApr 13, 16Oct 20, 16[C22F, B22D, C22C]
2016/0307,651 ZIRCONIUM ALLOY HAVING EXCELLENT CORROSION RESISTANCE FOR NUCLEAR FUEL CLADDING TUBE AND METHOD OF MANUFACTURING THE SAMEApr 13, 16Oct 20, 16[G21C, B22D, C22F, C22C]
2016/0180,976 METHOD OF SYNTHESIZING AXIAL POWER DISTRIBUTIONS OF NUCLEAR REACTOR CORE USING NEURAL NETWORK CIRCUIT AND IN-CORE PROTECTION SYSTEM (ICOPS) USING THE SAMESep 17, 15Jun 23, 16[G06N, G06G, G21C, G21D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9916907 Combination of top nozzle and guide thimble for nuclear fuel assemblyOct 14, 16Mar 13, 18[G21C]
9880289 Method of measuring radioactive material of ingot using NaI gamma scintillatorApr 30, 13Jan 30, 18[G01N, G01T]
9880290 Method of measuring radioactive material of ingot using HPGe gamma scintillatorApr 30, 13Jan 30, 18[G01N, G01T]
9793020 Automatic welding apparatus for end plug of nuclear fuel rodApr 17, 13Oct 17, 17[B23K, G21C]
9761333 Passive auxiliary condensing apparatus of nuclear power plantAug 27, 12Sep 12, 17[G21C]
9724739 Gap control device for pilger die assembly of cold pilger millsOct 29, 14Aug 08, 17[B21B]
9697918 Apparatus and method for automatically loading a fuel pellet for manufacturing a nuclear fuel rodMay 04, 16Jul 04, 17[B23Q, B23P, G01B, G21C]
9659675 Fuel rod auto-loading apparatus for nuclear fuel assemblyJan 08, 14May 23, 17[G21C]
9649724 Charging device of a welding fixture of spacer gridJun 12, 15May 16, 17[B23Q, B23K, G21C]
9646728 Plasma welding apparatus for guide thimble and guide thimble end plug of nuclear fuel assemblyJan 07, 14May 09, 17[B23K, G21C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0300,630 METHOD OF SYNTHESIZING AXIAL POWER DISTRIBUTIONS OF NUCLEAR REACTOR CORE USING NEURAL NETWORK CIRCUIT AND IN-CORE MONITORING SYSTEM (ICOMS) USING THE SAMEAbandonedSep 17, 15Oct 13, 16[G06N, G06F, G21C]
2015/0292,998 FREE DROP TESTER FOR ALLOWING A FREE FALL IMPACT TEST OF NUCLEAR FUEL PELLET AT ADJUSTABLE ANGLEAbandonedJul 03, 14Oct 15, 15[G01N]
2015/0068,910 APPARATUS AND METHOD FOR ANODIZING INNER SURFACE OF TUBEAbandonedApr 05, 13Mar 12, 15[C25D]
2014/0050,290 METHOD OF CONSTRUCTING PSEUDO HOT PIN POWER DISTRIBUTION USING IN-CORE DETECTOR SIGNAL-BASED PLANAR RADIAL PEAKING FACTORS IN CORE OPERATING LIMIT SUPERVISORY SYSTEMAbandonedApr 09, 13Feb 20, 14[G21C]
2013/0114,779 APPARATUS FOR CHARGING EMERGENCY BATTERY USING THERMOELECTRIC GENERATION DEVICE IN NUCLEAR POWER PLANTAbandonedSep 04, 12May 09, 13[G21C]

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