AREVA NP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21C NUCLEAR REACTORS 1008
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL862
 
  
 
F22B METHODS OF STEAM GENERATION; STEAM BOILERS 617
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 6441
 
  
 
G21D NUCLEAR POWER PLANT 67
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 441
 
  
 
C22C ALLOYS 468
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS446
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS495
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 4202

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0017,530 Device for ultrasonic testing of fasteners and associated methodMar 04, 16Jan 18, 18[G01N]
2018/0013,952 SCENE RECONSTRUCTION BY ASSEMBLING IMAGESJan 11, 16Jan 11, 18[H04N, G06T]
2017/0278,587 ASSEMBLY FOR ACTING ON THE OUTER SURFACE OF A TUBE, AND CORRESPONDING METHODSep 01, 15Sep 28, 17[F16L, G21C]
2016/0372,222 METHOD FOR CONTROLLING A PRESSURIZED WATER NUCLEAR REACTOR DURING STRETCHOUTJul 04, 14Dec 22, 16[G21C, G21D]
2016/0322,674 LARGE-CAPACITY ELECTRICAL ENERGY STORAGE DEVICEDec 16, 14Nov 03, 16[H02J, H01M]
2016/0184,895 METHOD OF FABRICATING A STEEL PART BY POWDER METALLURGY, AND RESULTING STEEL PARTMay 22, 14Jun 30, 16[B22F, C21D, C22C]
2016/0180,978 ASSEMBLY WITH A TUBE LOCKING DEVICE, AND ASSOCIATED MAINTENANCE METHODJul 01, 14Jun 23, 16[G21C]
2016/0172,062 ACTIVE SURFACE FOR A PACKING SEAL INTENDED FOR A SHAFT SEALING SYSTEMJul 22, 14Jun 16, 16[G21C, G21D, F16J]
2016/0146,454 VIBRATION-INHIBITING BAR FOR A STEAM GENERATOR TUBE BUNDLEJul 17, 14May 26, 16[F22B]
2014/0247,915 METHOD FOR PRODUCING A WEAR-RESISTANT AND CORROSION-RESISTANT STAINLESS STEEL PART FOR A NUCLEAR REACTOR, CORRESPONDING PART AND CORRESPONDING CONTROL CLUSTERSep 28, 12Sep 04, 14[C23C, G21C, C21D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9914986 Method for producing, from a preform made of austenitic stainless steel with a low carbon content, a wear-resistant and corrosion-resistant cladding for a nuclear reactor, corresponding cladding and corresponding control clusterSep 28, 12Mar 13, 18[C23C, G21C, C21D]
9903473 Method for carrying out emergent shaft sealing for reactor coolant pump and shaft sealing assemblyDec 10, 14Feb 27, 18[F04D, F16J]
9903828 Photothermal examination method and corresponding examination unitApr 29, 15Feb 27, 18[G01J, G06T, G01N, G06K]
9905321 Method for operating a pressurized water reactor during load monitoringMar 15, 12Feb 27, 18[G21C, G21D]
9889467 Method for thermochemically treating a part while masking a portion and corresponding maskOct 31, 13Feb 13, 18[C23C, B05C, B05D]
9887017 Nuclear facility comprising an anchor deviceDec 23, 13Feb 06, 18[F16B, G21C]
9793012 Nuclear fuel assembly spacer grid and corresponding nuclear fuel assemblyMay 14, 12Oct 17, 17[G21C]
9772103 Enhanced device for piercing plugs in a steam generatorDec 08, 14Sep 26, 17[B23B, B23P, F28F, F22B]
9761331 Lower nozzle for use in nuclear fuel assemblyMay 11, 12Sep 12, 17[G21C]
9731942 Secured gripping systemMay 16, 14Aug 15, 17[B66C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0139,886 METHOD OF EXCHANGING DATA DESCRIPTIVE OF TECHNICAL INSTALLATIONSAbandonedJun 03, 14May 19, 16[G06F]
2016/0024,626 STAINLESS STEEL FOR HOT FORGING AND HOT FORGING METHOD USING SAID STEELAbandonedMar 07, 14Jan 28, 16[B21J, C22C]
2015/0192,142 PASSIVE SHUTDOWN SEALING DEVICE FOR A SYSTEM OF SHAFT SEALS IN A REACTOR COOLANT PUMP SETAbandonedJun 25, 13Jul 09, 15[F04D]
2015/0050,141 PASSIVE SHUTDOWN SEALING DEVICE FOR A SHAFT SEALING SYSTEM OF A REACTOR COOLANT PUMP SETAbandonedDec 26, 12Feb 19, 15[F04D, F16J]
2014/0334,594 NUCLEAR REACTOR PRIMARY CIRCUIT, WITH A BRANCH EQUIPPED WITH A THERMAL SLEEVEAbandonedDec 24, 12Nov 13, 14[G21C, B01F]
2014/0064,435 NUCLEAR FUEL ASSEMBLY FOR BOILING WATER REACTOR COMPRISING A FUEL CHANNEL SPACERAbandonedMay 18, 12Mar 06, 14[G21C]
8660229 Nuclear reactor primary circuitExpiredNov 14, 06Feb 25, 14[G21C]
8576977 Method for designing a fuel assembly optimized as a function of the stresses in use in light-water nuclear reactors, and resulting fuel assemblyExpiredDec 07, 07Nov 05, 13[G21C]
2013/0108,002 SHUT-OFF DEVICE FOR A NUCLEAR REACTOR FLUID DUCT, IN PARTICULAR FOR A STEAM GENERATOR BOTTOM DRAINAbandonedMar 18, 11May 02, 13[G21C]
8426769 Method and device for displaying and monitoring the profile of a weld bead inside a groove provided between two metal workpiecesExpiredNov 04, 08Apr 23, 13[B23K]
8342913 Orbital apparatus for machining a revolution metallic wallExpiredNov 08, 07Jan 01, 13[B24B]
2012/0219,101 METHOD FOR ASSISTING IN THE OPERATION OF A NUCLEAR REACTORAbandonedSep 20, 10Aug 30, 12[G21C]
2012/0219,103 VIBRATION REDUCTION TECHNIQUES FOR JET PUMP SLIP JOINTSAbandonedFeb 24, 12Aug 30, 12[B23P, G21C]
2012/0213,320 DEVICE FOR ASSISTING IN THE UNDERWATER EXTRACTION OR INSERTION OF AN ELONGATE ELEMENT DISPOSED IN A PIPE, AND METHOD FOR ASSISTING IN THE EXTRACTION OR INSERTION OF ONE SUCH ELEMENTAbandonedSep 15, 10Aug 23, 12[G21C]
8248065 Method and device for detecting structural abnormalities in a spherical particleExpiredOct 11, 07Aug 21, 12[G01N]
8160197 Nuclear power plant using nanoparticies in closed circuits of emergency systems and related methodExpiredMar 06, 07Apr 17, 12[G21C]
8160201 Non-destructive characterization method, especially for characterizing particles of nuclear fuel for a high-temperature reactorExpiredJul 18, 07Apr 17, 12[G01N, G03H]
8135108 Nuclear power station comprising at least one high temperature reactorExpiredDec 08, 08Mar 13, 12[G21C]
2012/0036,933 METHOD FOR THE NON-DESTRUCTIVE AND CONTACTLESS CHARACTERIZATION OF A SUBSTANTIALLY SPHERICAL MULTILAYERED STRUCTURE AND RELATED DEVICEAbandonedDec 23, 09Feb 16, 12[G01N]
8081729 Heat exchanger assembly, in particular for a high-temperature nuclear reactorExpiredJun 22, 06Dec 20, 11[G21C]

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