ClassID:

200257

G21C17/00 - CPC Classification

Classification description:

Monitoring; Testing Maintaining

Sub-classes:
Recent Application in this class:
#1
20260155268
2026-06-04

POLYMER-BASED AQUEOUS HOMOGENEOUS REACTOR

#2
20260118526
2026-04-30

OBSERVATION POINT DETERMINATION DEVICE AND OBSERVATION POINT DETERMINATION METHOD

#3
20260118525
2026-04-30

RENEWABLE BIO-POLYMER BASED SOLID-STATE GAMMA RADIATION DETECTOR-DOSIMETER

#4
20260118160
2026-04-30

REACTOR VIBRATION MEASUREMENT DEVICE

#5
20260004418
2026-01-01

Appearance Inspection System and Appearance Inspection Method

#6
20250308717
2025-10-02

APPARATUS FOR TESTING THERMAL-STATE CONDUCTION PERFORMANCE OF ELECTRICAL PENETRATION PIECE OF HIGH-TEMPERATURE GAS-COOLED REACTOR

#7
20250189494
2025-06-12

ULTRASONIC SENSOR PROTECTION TUBE DEVICE FOR VISUALIZING INTERIOR OF INVISIBLE MEDIUM UNDER HIGH TEMPERATURE AND HIGH RADIATION

#8
20250156850
2025-05-15

SUSTAINABILITY AND CARBON FOOTPRINT MANAGEMENT SYSTEMS, DEVICES, AND METHODS

#9
20250149195
2025-05-08

Nuclear Component Testing

#10
20250123101
2025-04-17

Device and method for measuring levelness of top cover of reactor pressure vessel

#11
20250093537
2025-03-20

NEUTRON RADIATION DETECTOR

#12
20250046484
2025-02-06

NUCLEAR POWER PLANT OPERATION METHOD CONSIDERING FATIGUE STATE OF SMALL MODULAR NUCLEAR REACTOR

#13
20240412881
2024-12-12

MACHINE-LEARNING BASED AUGMENTED IRRADIATION CONTROL

#14
20240404718
2024-12-05

METHOD FOR PERFORMING REAL-TIME PROBABILISTIC SAFETY ASSESSMENTS FOR NUCLEAR POWER PLANTS

#15
20240393781
2024-11-28

METHOD FOR PREDICTING, MONITORING AND INCREASING RELIABILITY SUITABLE FOR IN-SERVICE NUCLEAR POWER PLANT

#16
20240119356
2024-04-11

PROBABILISTIC EVALUATION OF FASTENER DEGRADATION IN NUCLEAR POWER PLANTS

#17
20240112824
2024-04-04

SYSTEMS AND METHODS FOR CONTINUALLY MONITORING THE CONDITION OF NUCLEAR REACTOR INTERNALS

#18
20240112823
2024-04-04

METHOD AND DEVICE FOR EVALUATING DAMAGE CAUSED BY SECONDARY STRESS TO VACUUM VESSEL, TERMINAL DEVICE, AND MEDIUM

#19
20240019594
2024-01-18

Wireless power level and power distribution monitoring and control system for subcritical spent fuel assembly array using removable SIC neutron detector thimble tube

#20
20230290527
2023-09-14

NUCLEAR REACTOR PROTECTION SYSTEMS AND METHODS

#21
20230243987
2023-08-03

SELF-POWERED NUCLEAR RADIATION DETECTOR AND METHOD OF CORRECTING A TEMPERATURE-RELATED CHANGE OF AN OUTPUT SIGNAL OF SAME

#22
20230197302
2023-06-22

CORE PERFORMANCE CALCULATION APPARATUS

#23
20220285040
2022-09-08

Detectors, systems, and methods for continuously monitoring neutrons with enhanced sensitivity

#24
20220270772
2022-08-25

System for continually monitoring the condition of nuclear reactor internals

#25
20220254532
2022-08-11

Method for calculating a PCI margin associated with a loading pattern of a nuclear reactor, associated system, computer program and medium

#26
20220208403
2022-06-30

SYSTEM AND METHOD FOR DEPLOYING AND OPERATING A NUCLEAR REACTOR SYSTEM

#27
20220196488
2022-06-23

Measurement core for measuring nuclear heating in a nuclear reactor and calorimetric sensor incorporating such a measurement core

#28
20220172853
2022-06-02

Control rod drive mechanism diagnostic tool using voltage and current recordings

#29
20220157480
2022-05-19

Nuclear-power-plant computer-based procedure display device, safety control and monitoring system, and plant operation monitoring system

#30
20220155468
2022-05-19

Radioisotope activity surveillance apparatus, system, and method

#31
20220028570
2022-01-27

Method for integrated online monitoring and system for integrated online monitoring from remote location for nuclear powerplant

#32
20210358648
2021-11-18

Cooling method for reactor molten core melt and cooling control system for reactor molten core

#33
20210358647
2021-11-18

Method and apparatus for real-time learning-based augmented irradiation control and optimization

#34
20210210225
2021-07-08

Nuclear reactor protection systems and methods

#35
20210072198
2021-03-11

Electronic device and method for simulating an ultrasonic response of a metal part, associated testing electronic system and method and computer program

#36
20210065922
2021-03-04

Emission monitoring system for a venting system of a nuclear power plant

#37
20210050348
2021-02-18

Radiation resistant circuit device, pressure transmission device, and nuclear power plant measurement system

#38
20210012914
2021-01-14

Apparatus for use in the inspection of a top grid guide of boiling water reactor

#39
20200402679
2020-12-24

Online Sensor and Process Monitoring System

#40
20200402678
2020-12-24

Resistance heater rod and method of making such

#41
20200343009
2020-10-29

Nuclear reactor protection systems and methods

#42
20200234858
2020-07-23

Isotope enrichment for improved magnetic materials

#43
20200225644
2020-07-16

Monitoring target selecting device, monitoring target selecting method, and program

#44
20200176141
2020-06-04

Screen sharing system of digital main control room in nuclear power plant

#45
20200075186
2020-03-05

Control room for nuclear power plant

#46
20200027597
2020-01-23

Independent process signal control and monitoring system for a nuclear reactor containment vessel

#47
20190226049
2019-07-25

Method of peening an obstructed region of a metal assembly

#48
20190214156
2019-07-11

Method for Enabling Large Integrated Monitoring Screen for Integrated Monitoring of Multiple Reactors and System for Same

#49
20190206581
2019-07-04

Method for calculating a PCI margin associated with a loading pattern of a nuclear reactor, associated system, computer program and medium

#50
20190131022
2019-05-02

Apparatus for use in the inspection of a top grid guide of boiling water reactor

#51
20180366235
2018-12-20

Nuclear-power-plant computer-based procedure display device, safety control and monitoring system, and plant operation monitoring system

#52
20180350475
2018-12-06

Apparatus and method of evaluating response time of nuclear plant protection system

#53
20180247721
2018-08-30

PLANT OPERATION ASSISTANCE SYSTEM AND PLANT OPERATION ASSISTANCE METHOD

#54
20180246233
2018-08-30

Sample container, sampling system, nuclear power plant and corresponding operating method

#55
20180190403
2018-07-05

Plant operation system and plant operation method

#56
20180182503
2018-06-28

Plant abnormality prediction detection system

#57
20180174695
2018-06-21

Integration of real-time measurements and atomistic modeling to license nuclear components

#58
20180174694
2018-06-21

Abnormality diagnosis system and abnormality diagnosis method

#59
20180158556
2018-06-07

Abnormality diagnosis system

#60
20180120131
2018-05-03

Display generating device, display control device, and display generating method

#61
20180113025
2018-04-26

Optical spectroscopy system and method for monitoring liquid phase chemical reactions

#62
20180090235
2018-03-29

Examination and test system for nuclear-grade control valve

#63
20180019029
2018-01-18

Apparatus and system for simulating maintenance of reactor core protection system

#64
20180012041
2018-01-11

Communication connection apparatus and communication system

#65
20170357567
2017-12-14

Application logic, and verification method and configuration method thereof

#66
20170352440
2017-12-07

Systems and methods of monitoring control rods of nuclear power plants

#67
20170269580
2017-09-21

Remote Integrated Monitoring Operation System

#68
20170160219
2017-06-08

Automated system for on-line monitoring and diagnostics of rod position indication coils for nuclear power plants

#69
20170117064
2017-04-27

NUCLEAR POWER PLANT DIGITAL PLATFORM

#70
20170117063
2017-04-27

Passive cooling to cold shutdown

#71
20170103821
2017-04-13

Apparatus and method for measuring a gas volume fraction of an aerated fluid in a reactor

#72
20170040072
2017-02-09

ASYMMETRIC FILTER OF NEUTRON SIGNALS FOR DETECTING POWER OSCILLATIONS IN BOILING WATER REACTORS

#73
20170003405
2017-01-05

Direction sensitive neutron detector

#74
20160379725
2016-12-29

Method for annulus spacer detection in nuclear reactors

#75
20160365161
2016-12-15

Non-intrusive error detection techniques for control and shutdown rod position in nuclear reactors

#76
20160349385
2016-12-01

Radiation monitor

#77
20160343459
2016-11-24

GAS MONITORING SYSTEM AND METHOD FOR NUCLEAR REACTOR

#78
20160290533
2016-10-06

Capillary connection through wall penetration

#79
20160232995
2016-08-11

Magneto-rheological fluid based filter/reflector

#80
20160226597
2016-08-04

Neutrino communication system

#81
20160189811
2016-06-30

Remote monitoring of critical reactor parameters

#82
20160161395
2016-06-09

Method of non-destructive evaluation of intergranular stress corrosion cracking (IGSSC) in structural components made of metal alloys, and the method of lifetime evaluation of the structural components

#83
20160094761
2016-03-31

Investigation system

#84
20160071622
2016-03-10

System for controlling a nuclear reactor core

#85
20160055925
2016-02-25

Method for annulus spacer detection and repositioning in nuclear reactors

#86
20160042819
2016-02-11

METHOD FOR ANNULUS SPACER DETECTION IN NUCLEAR REACTORS

#87
20160027537
2016-01-28

Fiber optic temperature sensing system and method utilizing Brillouin scattering for large, well-ventilated spaces

#88
20150364225
2015-12-17

METHOD OF SYNTHESIZING NUCLEAR REACTOR POWER DISTRIBUTION USING OPTIMIZED NONLINEAR BASIS FUNCTION

#89
20150332796
2015-11-19

Nuclear reactor equipment transfer apparatus

#90
20150332794
2015-11-19

Transportable monitoring system

#91
20150310946
2015-10-29

Determination of positions of fuel assembly elements

#92
20150310945
2015-10-29

NUCLEAR REACTOR MONITORING DEVICE, NUCLEAR REACTOR CONTROL DEVICE, AND NUCLEAR POWER GENERATION PLANT

#93
20150294042
2015-10-15

Simulation construction method for the measurement of control rod insertion time

#94
20150279488
2015-10-01

Method and apparatus for inspection of cooling towers

#95
20150276699
2015-10-01

Radioactive gas monitor

#96
20150228365
2015-08-13

INSTRUMENTATION EQUIPMENT FOR NUCLEAR POWER PLANT

#97
20150199831
2015-07-16

Test support apparatus, test support method, and test support program for plant monitoring system

#98
20150198723
2015-07-16

Radiation monitoring device

#99
20150155063
2015-06-04

REACTOR POWER STABILITY MONITORING SYSTEM AND A REACTOR POWER STABILITY MONITORING METHOD

#100
20150155062
2015-06-04

METHOD AND SYSTEM FOR INSPECTING A NUCLEAR FACILITY

#101
20150146837
2015-05-28

OSCILLATION POWER RANGE MONITOR SYSTEM AND A METHOD OF OPERATING A NUCLEAR POWER PLANT

#102
20150110235
2015-04-23

Method for monitoring boron dilution during a reactor outage

#103
20150106055
2015-04-16

Support structure detection

#104
20150092901
2015-04-02

Operating a nuclear reactor using a deposit model of a nuclear reactor heat transfer surface

#105
20150060686
2015-03-05

Radiation-monitoring system with correlated hodoscopes

#106
20140375274
2014-12-25

Wireless remote monitoring of critical facilities

#107
20140369456
2014-12-18

ROD MOVEMENT DIAGNOSTICS FOR NUCLEAR POWER PLANT USING ADVANCED DATA FITTING

#108
20140369455
2014-12-18

Data Driven Step Counter for Rod Control Systems of Nuclear Power Plants

#109
20140355730
2014-12-04

REACTOR OSCILLATION POWER RANGE MONITOR, REACTOR OSCILLATION POWER RANGE MONITORING METHOD, AND RECORDING MEDIUM CONTAINING REACTOR OSCILLATION POWER RANGE MONITORING PROGRAM

#110
20140321591
2014-10-30

THERMO-ACOUSTIC NUCLEAR POWER DISTRIBUTION MEASUREMENT ASSEMBLY

#111
20140307843
2014-10-16

Reactor in-core instrument handling system

#112
20140241482
2014-08-28

Inspection method and inspection device

#113
20140215784
2014-08-07

Method for manufacturing a high-temperature ultrasonic transducer using a lithium niobate crystal brazed with gold and indium

#114
20140211901
2014-07-31

Nuclear power plant cable and monitoring system therefor

#115
20140209808
2014-07-31

Radiation-monitoring diagnostic hodoscope system for nuclear-power reactors

#116
20140140464
2014-05-22

Wireless transmission of nuclear instrumentation signals

#117
20140109671
2014-04-24

Apparatus of digital environment monitor having high-pressure chamber easy in maintenance

#118
20140064424
2014-03-06

Method of separating amorphous iron oxides

#119
20140032158
2014-01-30

AUTOMATED TEST SYSTEM

#120
20140010339
2014-01-09

Apparatus and method for limiting and analyzing stress corrosion cracking in pressurized water reactors

#121
20130301771
2013-11-14

Nuclear power plant control system and method of testing nuclear power plant

#122
20130294564
2013-11-07

METHOD FOR DETECTING AND/OR MEASURING DEFECTS

#123
20130294560
2013-11-07

Control room for nuclear power plant

#124
20130287159
2013-10-31

Core monitoring system

#125
20130272469
2013-10-17

DEVICE AND METHOD FOR REACTOR AND CONTAINMENT MONITORING

#126
20130272468
2013-10-17

In-situ and external nuclear reactor severe accident temperature and water level probes

#127
20130272467
2013-10-17

Incore instrumentation cable routing and support element for pressurized water reactor

#128
20130182809
2013-07-18

Nuclear power plant control system and nuclear power plant control method

#129
20130177123
2013-07-11

Control rod position indication systems and methods for nuclear power plants

#130
20130177119
2013-07-11

CONTROL DEVICE AND NUCLEAR POWER PLANT CONTROL SYSTEM

#131
20130156142
2013-06-20

Critical heat flux prediction device, critical heat flux prediction method and safety evaluation system

#132
20130148772
2013-06-13

Systems and methods of monitoring control rods of a nuclear power plant

#133
20130129030
2013-05-23

Operation monitoring apparatus of nuclear power plant

#134
20130129028
2013-05-23

Control system for nuclear facilities

#135
20130121450
2013-05-16

Water filling system for reactor water level gauge

#136
20130083879
2013-04-04

In-core instrument thimble assembly

#137
20130058447
2013-03-07

Nuclear reactor power monitor

#138
20130013282
2013-01-10

Apparatus, method and program for monitoring nuclear thermal hydraulic stability of nuclear reactor

#139
20130008040
2013-01-10

Apparatus for measuring dimensions of spacer grid for nuclear fuel assemblies

#140
20120263266
2012-10-18

Method and device for detecting the drop of a cluster in a nuclear reactor

#141
20120219101
2012-08-30

METHOD FOR ASSISTING IN THE OPERATION OF A NUCLEAR REACTOR

#142
20120163526
2012-06-28

OPTIMIZED FUEL SUPPORTS AND METHODS OF CREATING REACTOR CORES WITH THE SAME

#143
20120136589
2012-05-31

NUCLEAR-POWER-PLANT SOUNDNESS EVALUATION SYSTEM

#144
20120067139
2012-03-22

Method and system for evaluating a play

#145
20120033780
2012-02-09

AXIAL POWER DISTRIBUTION CONTROL METHOD AND AXIAL POWER DISTRIBUTION CONTROL SUPPORTING DEVICE

#146
20120033779
2012-02-09

METHODS OF DETERMINING IN-REACTOR SUSCEPTIBILITY OF A ZIRCONIUM-BASED ALLOY TO SHADOW CORROSION

#147
20120033778
2012-02-09

Axial power distribution prediction method and axial power distribution prediction device

#148
20120033777
2012-02-09

Jet pump inspection apparatus

#149
20110317796
2011-12-29

Vibration measuring apparatus for nuclear reactor internal structure and vibration measurement method therefor

#150
20110280358
2011-11-17

Monitoring method and monitoring program for boiling water reactor, and acoustic damping method for boiling water reactor

#151
20110255648
2011-10-20

Neutron absorbers and methods of forming at least a portion of a neutron absorber

#152
20110246153
2011-10-06

METHOD FOR PELLET CLADDING INTERACTION (PCI) EVALUATION AND MITIGATION DURING BUNDLE AND CORE DESIGN PROCESS AND OPERATION

#153
20110238388
2011-09-29

Determination of safety limit minimum critical power ratio

#154
20110216870
2011-09-08

METHOD AND APPARATUS FOR PERMISSIVE CONTROL OF A MAST AND GRAPPLE

#155
20110154900
2011-06-30

Vibration monitoring apparatus and vibration monitoring method

#156
20110069801
2011-03-24

Nuclear reactor operation and simulation

#157
20110029294
2011-02-03

Computer implemented method for modelizing a nuclear reactor core and a corresponding computer program product

#158
20110002432
2011-01-06

INCORE INSTRUMENT CORE PERFORMANCE VERIFICATION METHOD

#159
20100310033
2010-12-09

Method to process fission chamber measurement signals

#160
20100284505
2010-11-11

Method and apparatus for annulus spacer detection and repositioning in nuclear reactors

#161
20100260301
2010-10-14

Method for predicting stresses on a steam system of a boiling water reactor

#162
20100260300
2010-10-14

Method of determining the value of a parameter representative of the operability of a nuclear reactor, determining system, computer and corresponding medium

#163
20100256963
2010-10-07

EVALUATING METHOD FOR INTEGRITY OF VIBRATION OF STEAM DRYER AND TEST DEVICE STEAM DRYER

#164
20100254503
2010-10-07

Apparatus and systems for measuring elongation of objects, methods of measuring, and reactor

#165
20100226468
2010-09-09

METHOD FOR DETERMINING AN UNCERTAINTY COMPONENT RELATING TO POWER DISTRIBUTION IN A NUCLEAR REACTOR CORE

#166
20100220830
2010-09-02

Axial power distribution control method, axial power distribution control system and axial power distribution control program

#167
20100142666
2010-06-10

Xenon oscillation prediction method and computer program for xenon oscillation prediction

#168
20100119028
2010-05-13

Nuclear reactor steam dryer manipulator

#169
20100104059
2010-04-29

RENORMALIZATION METHOD OF EXCORE DETECTOR

#170
20100100251
2010-04-22

Fault tree analysis system for the instrument control process for nuclear power plant with advanced boiling water reactor background

#171
20100091930
2010-04-15

Apparatus for forming stress corrosion cracks

#172
20100091928
2010-04-15

Protection systems for nuclear boiling water reactors

#173
20100082318
2010-04-01

Single quantification method of external event PSA model containing multi-compartment propagation scenarios

#174
20090316851
2009-12-24

Passage selector of reactor in-core nuclear-measuring apparatus

#175
20090282920
2009-11-19

Nuclear reactor vibration surveillance system and its method

#176
20090252272
2009-10-08

Advanced digital control rod position indication system with rod drop monitoring for nuclear power plants

#177
20090185651
2009-07-23

CONTROL ROD POSITION DETECTOR AND CONTROL ROD DRIVE MECHANISM

#178
20090129528
2009-05-21

Method and apparatus for permissive control of a mast and grapple

#179
20090080585
2009-03-26

Reduced order stress model for online maneuvering, diagnostics of fuel failure and design of core loading patterns of light water reactors

#180
20080292041
2008-11-27

Method and system for early sensing of water leakage, through chemical concentration monitoring, in nuclear reactor system using liquid metal and molten salt

#181
20080234950
2008-09-25

Water leakage-acoustic sensing method and apparatus in steam generator of sodium-cooled fast reactor using standard deviation by octave band analysis

#182
20080224038
2008-09-18

Method of determining the power transfer of nuclear component with a layer of material placed upon a heating surface of the component

#183
20080219394
2008-09-11

METHOD AND SYSTEM FOR CALCULATING AN ADJUSTED PEAK NODAL POWER IN A NUCLEAR REACTOR

#184
20080205693
2008-08-28

Monitoring and operation image integrating system of plants and monitoring and operation image integrating method

#185
20080183425
2008-07-31

Robust distance measures for on-line monitoring

#186
20080152066
2008-06-26

Protection systems for and methods of operating nuclear boiling water reactors

#187
20080123794
2008-05-29

Systems and methods of predicting a critical effective k for a nuclear reactor

#188
20080069290
2008-03-20

Integrated monitoring method for nuclear device and system using the same

#189
20080063134
2008-03-13

Apparatus for monitoring deposition of a noble metal in a nuclear reactor

#190
20070289368
2007-12-20

Method of monitoring deposition of a noble metal in a nuclear reactor and deposition monitor therefor

#191
20070280401
2007-12-06

Method for analysis of pellet-cladding interaction

#192
20070237282
2007-10-11

Boundary condition adjustment methods and systems

#193
20070223644
2007-09-27

Method for analyzing fuel displacement accident of boiling water reactor

#194
20070223642
2007-09-27

Monitoring method and monitoring program for boiling water reactor, and acoustic damping method for boiling water reactor

#195
20070213959
2007-09-13

Computer-implemented method and system for designing a nuclear reactor core which satisfies licensing criteria

#196
20070185700
2007-08-09

Safety protection instrumentation system and method of operating the system

#197
20070177710
2007-08-02

Method of determining a cell friction metric for a control cell of a nuclear reactor

#198
20070153958
2007-07-05

Method of determining margins to operating limits for nuclear reactor operation

#199
20070098131
2007-05-03

System and method for testing the steam system of a boiling water reactor

#200
20070061608
2007-03-15

Method and apparatus for a time domain probabilistic risk assessment model, analysis of interaction of disparate networks, and a repair simulation tool

#201
20060193425
2006-08-31

Apparatus and method for limiting and analyzing stress corrosion cracking in pressurized water reactors

#202
20060165210
2006-07-27

Method and system for calculating rod average criteria

#203
20060159215
2006-07-20

Method for detecting a fault of a power module for a control system of a control rod drive mechanism of a nuclear reactor

#204
20060149515
2006-07-06

Nuclear reactor reload licensing analysis system and method

#205
20060149514
2006-07-06

Method of determining a fresh fuel bundle design for a core of a nuclear reactor

#206
20060146973
2006-07-06

Method and system for assessing failures of fuel rods

#207
20060142973
2006-06-29

Field equipment management system

#208
20060129362
2006-06-15

Method for determining threshold value of a nuclear reactor operating parameter, corresponding system, computer programme and support

#209
20060078081
2006-04-13

System and method for determining fluctuating pressure loading on a component in a reactor steam dome

#210
20050286673
2005-12-29

Method for recognizing step movement sequence of control rod drive mechanism of nuclear reactor

#211
20050283553
2005-12-22

Event based operating system, method, and apparatus for instrumentation and control systems

#212
20050238130
2005-10-27

Refueling work platform

#213
20050222833
2005-10-06

Method of determining nuclear reactor core design with reduced control blade density

#214
20050105675
2005-05-19

Systems and methods for estimating helium production in shrouds of nuclear reactors

#215
20050013401
2005-01-20

Boiling water reactor refuel cavity work platform

#216
15339051
2017-12-05

Device and method for checking fuel pellets with IFBA

#217
14864021
2016-09-06

Radioactive gas monitoring device

#218
14502911
2015-09-22

Vehicle-specific diagnostic reset device and method

#219
12896038
2014-07-15

Nuclear power plant steel detecting device