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 29164
 
 
 
B01D SEPARATION 18115
 
 
 
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 1590
 
 
 
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 1376
 
 
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 129
 
 
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 11100
 
 
 
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 1087
 
 
 
G21C NUCLEAR REACTORS 932

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0261,543 APPARATUS AND METHOD FOR EVAULATING NON-CERAMIC INSULATORS WITH CONFORMAL PROBEMar 11, 16Sep 14, 17[G01R]
2017/0208,039 VIRTUAL WI-FI NETWORK AND SECURE TUNNEL PROVISIONING FOR RELIABLE, PERSISTENT CONNECTION OF ENERGY DEVICES AT THE CUSTOMER'S PREMISESDec 16, 16Jul 20, 17[H04L, H04W]
2017/0138,780 VISUAL LIQUID LEVEL INDICATORNov 18, 16May 18, 17[G01F]
2017/0102,476 APPARATUS AND METHOD FOR IDENTIFYING PHYSICAL SECURITY RISKS TO POWER TRANSMISSION STRUCTURESOct 11, 16Apr 13, 17[G01R, G01V]
2017/0008,117 STEPPED DESIGN WELD JOINT PREPARATIONJan 26, 15Jan 12, 17[F16B, B23K]
2016/0322,865 APPARATUS AND METHOD FOR MONITORING SUBSTATION DISCONNECTS AND TRANSMISSION LINE SWITCHESMay 19, 16Nov 03, 16[G01R, G01N, H02J]
2016/0118,153 CAPTURE, REMOVAL, AND STORAGE OF RADIOACTIVE SPECIESNov 09, 15Apr 28, 16[G21F]
2016/0061,603 SENSOR AND METHOD FOR IDENTIFYING DOWNED POWER TRANSMISSION CONDUCTORS AND STRUCTURESSep 02, 14Mar 03, 16[G01P, G01C]
2016/0025,682 FLEXIBLE EDDY CURRENT PROBEAug 30, 12Jan 28, 16[G01N]
2016/0018,455 LEAKAGE CURRENT SENSOR FOR SUSPENSION TYPE INSULATORSep 29, 15Jan 21, 16[G01R]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
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[F23N, G01B, F02C, F01D, G01M]
9753469 Energy harvesting deviceDec 21, 16Sep 05, 17[H01F, G05F, H02M]
9689856 Non-destructive methods for noble metal loading analysis on material surfacesApr 08, 16Jun 27, 17[G21C, G01N]
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[G01R, G01N]
9535105 Apparatus and method for measuring leakage currents on porcelain and glass insulator disc stringsDec 12, 13Jan 03, 17[G01R]
9488678 Apparatus and method for measuring geomagnetically induced currents (GIC) in high voltage transmission conductorsJul 08, 14Nov 08, 16[G01R]
9470620 Insulator inspection apparatus and methodSep 04, 13Oct 18, 16[G01R, G01N]
9413092 Electrical power line connectorNov 22, 13Aug 09, 16[H01R, C23C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0141,242 TWO LAYER COATING FOR FIBERGLASS TRANSMISSION AND DISTRIBUTION COMPONENTSABANNov 06, 13May 22, 14[H01B]
2014/0123,481 THERMAL CONTRACTION COMPENSATION FOR SUPERCONDUCTING AND CRYO-RESISTIVE CABLESABANJan 13, 14May 08, 14[H01B]
2014/0071,592 APPARATUS AND METHOD FOR MONITORING SUBSTATION DISCONNECTS AND TRANSMISSION LINE SWITCHESABANSep 04, 13Mar 13, 14[H02B]
2013/0294,566 CONTROL ROD DRIVE (CRD) TUBES, METHOD OF MANUFACTURE, AND INSTALLATION THEREOFABANApr 17, 13Nov 07, 13[G21C]
2013/0291,782 SMOOTH, SPHEROIDAL, APPENDAGE FREE UNDERWATER ROBOT CAPABLE OF 5 DOF MOTIONSABANMay 03, 13Nov 07, 13[B63G]
2013/0255,726 CONDUCTOR CLEANING SYSTEM AND METHODABANMay 28, 13Oct 03, 13[B08B]
2013/0255,730 CONDUCTOR CLEANING SYSTEM AND METHODABANMay 28, 13Oct 03, 13[B08B]
2013/0134,935 MEDIUM VOLTAGE STAND ALONE DC FAST CHARGERABANMay 24, 12May 30, 13[H02J]
2013/0118,192 USE OF ADSORPTION OR ABSORPTION TECHNOLOGIES FOR THERMAL-ELECTRIC POWER PLANT COOLINGABANMay 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 METHODSABANMay 03, 12May 16, 13[B22F, B22D]
2013/0075,942 QUALITY CONTROL OF CONCRETE VIBRATIONABANSep 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 HEADERSABANMay 03, 12Nov 29, 12[F16L, B22D]
2012/0299,603 ON-LINE MONITORING SYSTEM OF INSULATION LOSSES FOR UNDERGROUND POWER CABLESABANMay 23, 12Nov 29, 12[G01R]
2012/0301,344 METHOD OF USING POWDER METALLURGY FABRICATION FOR MANUFACTURING INTEGRAL HEADER AND TUBE REPLACEMENT SECTIONSABANMay 03, 12Nov 29, 12[B22F]
2012/0279,238 METHOD FOR CONTROLLING FROST ON A HEAT TRANSFER DEVICEABANMay 03, 12Nov 08, 12[F25D]
2012/0282,564 METHODS FOR REDUCING NOx IN SCR FOSSIL-FUEL FIRED BOILERSABANMay 03, 12Nov 08, 12[F27D]
2012/0247,330 METHOD AND APPARATUS FOR RAPID ADSORPTION-DESORPTION CO2 CAPTUREABANMar 30, 11Oct 04, 12[B01J, B01D]
2012/0228,202 SYSTEM FOR EXCLUDING AQUATIC ORGANISMS AND TRANSFER BACK TO A SOURCE WATERBODYABANMar 05, 12Sep 13, 12[B01D, E02B]
2012/0192,713 Electrostatic Precipitator Charging EnhancementABANJan 31, 11Aug 02, 12[B03C]

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