ELECTRIC POWER RESEARCH INSTITUTE, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 29177
 
  
 
B01D SEPARATION 18116
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 18141
 
  
 
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 1587
 
  
 
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 1380
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 1210
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1198
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 1110
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 1090
 
  
 
G21C NUCLEAR REACTORS 934

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0322,865 APPARATUS AND METHOD FOR MONITORING SUBSTATION DISCONNECTS AND TRANSMISSION LINE SWITCHESMay 19, 16Nov 03, 16[H02J, G01N, G01R]
2016/0118,153 CAPTURE, REMOVAL, AND STORAGE OF RADIOACTIVE SPECIESNov 09, 15Apr 28, 16[G21F]
2016/0025,682 FLEXIBLE EDDY CURRENT PROBEAug 30, 12Jan 28, 16[G01N]
2015/0183,330 MODULAR RECONFIGURABLE MEDIUM VOLTAGE TRANSFORMER FOR DATA CENTERS, VOLT/VAR CONTROL, AC AND DC CHARGING, AND VEHICLE-TO-GRID APPLICATIONSDec 30, 13Jul 02, 15[H02J, B60L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903899 Leakage current sensor for post type insulatorDec 27, 12Feb 27, 18[G01R]
9866064 Apparatus and method for monitoring substation disconnects and transmission line switchesMay 19, 16Jan 09, 18[H02J, G01K, G01N, H02B, G01R]
9822328 Cleaner for grease rejuvenation and method of maintaining bearings, bushings, linkage pins, and chainsJun 18, 14Nov 21, 17[C11D]
9797049 System, apparatus, and method of providing cathodic protection to buried and/or submerged metallic structuresFeb 16, 15Oct 24, 17[C23F]
9752960 System and method for anomaly detectionNov 22, 11Sep 05, 17[G01M, F23N, G01B, F02C, F01D]
9753469 Energy harvesting deviceDec 21, 16Sep 05, 17[H02M, G05F, H01F]
9689856 Non-destructive methods for noble metal loading analysis on material surfacesApr 08, 16Jun 27, 17[G01N, G21C]
9589690 Light water reactor primary coolant activity cleanupNov 23, 11Mar 07, 17[G21F, B01J]
9551761 Portable magnetic, electric and radio frequency field monitoring apparatus and methodDec 10, 13Jan 24, 17[G01N, G01R]
9535105 Apparatus and method for measuring leakage currents on porcelain and glass insulator disc stringsDec 12, 13Jan 03, 17[G01R]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0018,455 LEAKAGE CURRENT SENSOR FOR SUSPENSION TYPE INSULATORAbandonedSep 29, 15Jan 21, 16[G01R]
2015/0159,886 HEAT PUMP WATER HEATER AND METHODAbandonedDec 11, 13Jun 11, 15[F24H, F24D]
2015/0141,537 SYNTHESIS OF SEQUESTRATION RESINS FOR WATER TREATMENT IN LIGHT WATER REACTORSAbandonedJan 30, 15May 21, 15[G21F, B01J, C02F]
2014/0141,242 TWO LAYER COATING FOR FIBERGLASS TRANSMISSION AND DISTRIBUTION COMPONENTSAbandonedNov 06, 13May 22, 14[H01B]
2014/0123,481 THERMAL CONTRACTION COMPENSATION FOR SUPERCONDUCTING AND CRYO-RESISTIVE CABLESAbandonedJan 13, 14May 08, 14[H01B]
2014/0071,592 APPARATUS AND METHOD FOR MONITORING SUBSTATION DISCONNECTS AND TRANSMISSION LINE SWITCHESAbandonedSep 04, 13Mar 13, 14[H02B]
8630690 Thermal contraction compensation for superconducting and cryo-resistive cablesExpiredMay 05, 09Jan 14, 14[H01B, H01R, H02G]
2013/0294,566 CONTROL ROD DRIVE (CRD) TUBES, METHOD OF MANUFACTURE, AND INSTALLATION THEREOFAbandonedApr 17, 13Nov 07, 13[G21C]
2013/0291,782 SMOOTH, SPHEROIDAL, APPENDAGE FREE UNDERWATER ROBOT CAPABLE OF 5 DOF MOTIONSAbandonedMay 03, 13Nov 07, 13[B63G]
2013/0255,726 CONDUCTOR CLEANING SYSTEM AND METHODAbandonedMay 28, 13Oct 03, 13[B08B]
2013/0255,730 CONDUCTOR CLEANING SYSTEM AND METHODAbandonedMay 28, 13Oct 03, 13[B08B]
2013/0134,935 MEDIUM VOLTAGE STAND ALONE DC FAST CHARGERAbandonedMay 24, 12May 30, 13[H02J]
2013/0118,192 USE OF ADSORPTION OR ABSORPTION TECHNOLOGIES FOR THERMAL-ELECTRIC POWER PLANT COOLINGAbandonedMay 03, 12May 16, 13[F25B]
2013/0121,868 METHOD OF MANUFACTURING A WELD-FREE APPARATUS FOR CONNECTION OF DISSIMILAR METALS USING FUNCTIONALLY GRADED COMPOSITIONALLY CONTROL POWDER METALLURGY AND HOT ISOSTATIC PROCESSING METHODSAbandonedMay 03, 12May 16, 13[B22F, B22D]
2013/0075,942 QUALITY CONTROL OF CONCRETE VIBRATIONAbandonedSep 20, 12Mar 28, 13[B29C]
8391938 Transportable rapid deployment superconducting transformerExpiredJun 15, 11Mar 05, 13[H01L]
2012/0299,288 FUNCTIONALLY GRADED COMPOSITIONAL CONTROL METHODS TO ELIMINATE DISSIMILAR METAL WELDS (DMWs) DURING MANUFACTURE OF INTEGRAL HEADERSAbandonedMay 03, 12Nov 29, 12[F16L, B22D]
2012/0299,603 ON-LINE MONITORING SYSTEM OF INSULATION LOSSES FOR UNDERGROUND POWER CABLESAbandonedMay 23, 12Nov 29, 12[G01R]
2012/0301,344 METHOD OF USING POWDER METALLURGY FABRICATION FOR MANUFACTURING INTEGRAL HEADER AND TUBE REPLACEMENT SECTIONSAbandonedMay 03, 12Nov 29, 12[B22F]
2012/0279,238 METHOD FOR CONTROLLING FROST ON A HEAT TRANSFER DEVICEAbandonedMay 03, 12Nov 08, 12[F25D]

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