AREVA NP INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21C NUCLEAR REACTORS 1728
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 8198
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 418
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 353
 
  
 
B01D SEPARATION 2132
 
  
 
B08B CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL 256
 
  
 
C22B PRODUCTION OR REFINING OF METALS 226
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL268
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 221
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR265

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8591663 Corrosion product chemical dissolution processNov 25, 09Nov 26, 13[G21F, B08B, C23G, G21C]
8573032 Underwater method and apparatus for detecting leaks in a metallic tank or pit liner plateMar 26, 10Nov 05, 13[G01M]
8576975 Protection of reactor cores from unstable density wave oscillatorsFeb 07, 12Nov 05, 13[G21C]
8555917 Power line data acquisitionMar 16, 10Oct 15, 13[F16K, G01L]
8527216 Eddy current for the characterization of broached tube support plate blockageFeb 08, 10Sep 03, 13[G01B]
8445839 Self-calibrating, highly accurate, long-lived, dual rhodium vanadium emitter nuclear in-core detectorOct 14, 10May 21, 13[G21C]
8290111 Electrochemical corrosion potential device and methodMay 25, 07Oct 16, 12[G21C]
8194816 Boiling water reactor nuclear power plant with alcohol injectionDec 01, 09Jun 05, 12[G21C]
8187725 Welding alloy and articles for use in welding, weldments and method for producing weldmentsJul 19, 07May 29, 12[B23K, B32B, C22C]
8135106 Protection of reactor cores from unstable density wave oscillationsApr 18, 05Mar 13, 12[G21C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0079,468 Jet Pump StabilizerAbandonedSep 20, 13Mar 20, 14[F04F]
2014/0059,787 ELECTRICAL GENERATOR PARALLEL RING RESIN REMOVAL TOOLINGAbandonedOct 10, 13Mar 06, 14[B08B]
2014/0054,005 Viscous Damping StabilizerAbandonedAug 16, 13Feb 27, 14[F16F, F22B]
8580041 Process for cleaning resin out of an electrical generator parallel ringExpiredFeb 08, 10Nov 12, 13[B08B]
2013/0289,900 Gap Measurement Tool and Method of UseAbandonedApr 05, 13Oct 31, 13[G01N]
2013/0022,240 Remote Automated Planning and Tracking of Recorded DataAbandonedJul 19, 12Jan 24, 13[G06K]
2012/0219,103 VIBRATION REDUCTION TECHNIQUES FOR JET PUMP SLIP JOINTSAbandonedFeb 24, 12Aug 30, 12[B23P, G21C]
2011/0273,555 INSPECTION VIDEO RADIATION FILTERAbandonedMay 04, 10Nov 10, 11[H04N]
2011/0069,804 Jet Pump Slip Joint Modification for Vibration ReductionAbandonedSep 16, 10Mar 24, 11[B23P, G21C]
2010/0325,859 Method for Repairing Primary Nozzle WeldsAbandonedJun 08, 10Dec 30, 10[B23P]
2010/0119,028 Nuclear reactor steam dryer manipulatorAbandonedOct 08, 09May 13, 10[G21C]
2009/0238,321 Nuclear power plant with actinide burner reactorAbandonedMar 20, 08Sep 24, 09[G21C]
2009/0183,694 System and method for crevice cleaning in steam generatorsAbandonedJan 18, 08Jul 23, 09[B08B, F28G, F22B]
2009/0173,293 Injection of premixed concentrated chemical solution in steam generator chemical cleaningAbandonedJan 04, 08Jul 09, 09[F28G]
7551705 Fuel assembly top nozzle repair sleeve and method for repairing a fuel assemblyExpiredDec 11, 03Jun 23, 09[G21C]
7464670 System for cleaning, inspection and tooling delivery in the secondary side of a steam generatorExpiredJul 26, 06Dec 16, 08[F22B]
7346141 Apparatus and method for moving a ferromagnetic elementExpiredAug 23, 05Mar 18, 08[G21C]
2008/0048,010 Clading complex piping geometryAbandonedJul 07, 07Feb 28, 08[B23K]
7302917 Chemical cleaning of a steam generator during mode 5 generator shut downExpiredAug 27, 05Dec 04, 07[C23G]
7162981 System for annulus tooling alignment with suction pickup in the stay dome on the secondary side of a steam generatorExpiredMar 16, 05Jan 16, 07[F22B]

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