ClassID:

200287

G21C17/10 - CPC Classification

Classification description:

Monitoring; Testing Maintaining Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain

Sub-classes:
Recent Application in this class:
#1
20260004943
2026-01-01

DILUTE RADIONUCLIDE CONCENTRATION ENHANCEMENT THROUGH DISTILLATION

#2
20250246324
2025-07-31

NOISE REDUCTION APPARATUS FOR CONTROL ROD POSITION INDICATOR

#3
20240387065
2024-11-21

METHODS TO DETECT AND LOCATE THE IN-CORE POSITION OF FUEL BUNDLES WITH CLADDING PERFORATIONS IN CANDU-STYLE NUCLEAR REACTORS

#4
20240312654
2024-09-19

IN-CORE INSTRUMENTATION

#5
20240304348
2024-09-12

METHOD OF COMMUNICATING TEMPERATURE DATA INCLUDING A HEATING ELEMENT COUPLED TO TEMPERATURE SENSOR AT INTERFACE

#6
20240087762
2024-03-14

IN-SITU CREEP CAPSULE FOR A NUCLEAR REACTOR AND METHODS OF USE

#7
20230253127
2023-08-10

Servicing a nuclear reactor module

#8
20230141492
2023-05-11

Bottom nozzle with protective insert

#9
20230132308
2023-04-27

AN ASSEMBLY FOR CONTROLLING DISENGAGEMENT BETWEEN A CONTROL CLUSTER AND A DRIVE ROD OF A DEVICE FOR CONTROLLING THE REACTIVITY OF A NUCLEAR REACTOR

#10
20220270772
2022-08-25

System for continually monitoring the condition of nuclear reactor internals

#11
20220223306
2022-07-14

Control rod position indication system for a nuclear reactor

#12
20220148747
2022-05-12

System and method for local resistivity measurement and critical heat flux calculation for nuclear reactor cladding tubing

#13
20220108809
2022-04-07

Nuclear reactor plant for housing nuclear reactor modules

#14
20220084703
2022-03-17

System to detect and locate the in-core position of fuel bundles with cladding perforations in CANDU-style nuclear reactors

#15
20220084702
2022-03-17

Apparatus with flow assembly including temperature sensors and heating element

#16
20220065375
2022-03-03

STABILIZER ELEMENT FOR A PIPE CONNECTION

#17
20220044831
2022-02-10

Fuel rod sensor system with inductive coupling

#18
20210343435
2021-11-04

Servicing a nuclear reactor module

#19
20210257116
2021-08-19

System and method for stand-off monitoring of nuclear reactors using neutron detection

#20
20210098142
2021-04-01

Predictive model construction and prediction method for radioactive metal corrosion concentration in nuclear reactor water

#21
20210074441
2021-03-11

Fuel rod sensor system with inductive coupling

#22
20210074440
2021-03-11

Detection apparatus, system, and method for detection of coolant flow rate and temperature in a nuclear environment

#23
20200402680
2020-12-24

Dry cask storage system having detection apparatus

#24
20200395137
2020-12-17

Method and system to detect and locate the in-core position of fuel bundles with cladding perforations in candu-style nuclear reactors

#25
20200273590
2020-08-27

Vibration-based acoustic flowmeters with a vibration detector detecting vibrations caused by a standing wave

#26
20200258643
2020-08-13

Full-digital rod position measurement devices and methods thereof

#27
20200096482
2020-03-26

Ultrasonic sensors and methods of using the ultrasonic sensors

#28
20200075186
2020-03-05

Control room for nuclear power plant

#29
20200051704
2020-02-13

Method for housing nuclear reactor modules

#30
20190378627
2019-12-12

Drive device for in-core neutron instrumentation system

#31
20190362860
2019-11-28

SYSTEMS AND METHODS OF MONITORING OPERATION OF CONTROL ROD MECHANISMS OF NUCLEAR POWER PLANTS

#32
20190244720
2019-08-08

Detection apparatus and method of detecting the neutron absorption capability of a control element of a nuclear installation

#33
20190228869
2019-07-25

Fuel assembly having concentric lower coolant inlet tubes

#34
20190148026
2019-05-16

Flange flush tool

#35
20190139659
2019-05-09

System for setting tolerance limit of correlation by using repetitive cross-validation and method thereof

#36
20190057790
2019-02-21

Nuclear instrumentation isolated output signal scaling method and system employing same

#37
20190057787
2019-02-21

Detection apparatus and method of detecting the neutron absorption capability of a control element of a nuclear installation

#38
20180358133
2018-12-13

Movable standby hydraulic control unit that is usable during a control rod drive system inspection to temporarily replace any one of several hydraulic control units

#39
20180350473
2018-12-06

System and method for stand-off monitoring of nuclear reactors using neutron detection

#40
20180315512
2018-11-01

Nuclear powered vacuum microelectronic device

#41
20180277267
2018-09-27

Acoustic flowmeters and methods of using the same

#42
20180211734
2018-07-26

REACTOR PROTECTION-PROCESSOR-TO-REACTOR-TRIP BREAKER INTERFACE AND METHOD FOR OPERATING THE SAME

#43
20180190399
2018-07-05

SYSTEM FOR SETTING TOLERANCE LIMIT OF CORRELATION BY USING REPETITIVE CROSS-VALIDATION AND METHOD THEREOF

#44
20180122520
2018-05-03

Incore nuclear instrumentation system

#45
20180047468
2018-02-15

Nozzle seal structure

#46
20180033503
2018-02-01

Nuclear instrumentation system and method for locating the same

#47
20170301420
2017-10-19

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

#48
20170263344
2017-09-14

Servicing a nuclear reactor module

#49
20170243663
2017-08-24

Lower end fixing body for improving flow path resistance of in-core detector

#50
20170213608
2017-07-27

In-core instrumentation

#51
20170200516
2017-07-13

Device for and method of reconstructing axial measurement values in nuclear fuel

#52
20170194064
2017-07-06

Measurement apparatus for determining compressive loading that will be applied to a fuel rod of a pressurized water reactor

#53
20170162279
2017-06-08

Nuclear reactor scram control system

#54
20170117065
2017-04-27

MOVEMENT OF FUEL TUBES WITHIN AN ARRAY

#55
20170047131
2017-02-16

Method for measuring bow/twist of a fuel assembly

#56
20170025193
2017-01-26

In-situ determination of rod control system coil and cable impedances for nuclear power plants

#57
20160284429
2016-09-29

Safety system for a nuclear power plant and method for operating the same

#58
20160155519
2016-06-02

Spot welding gun and welding method for the nuclear fuel skeleton

#59
20160118149
2016-04-28

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

#60
20160111173
2016-04-21

Gamma-ray sensing probe using Cerenkov effect and system for identifying burnup of spent nuclear fuel assembly using the same

#61
20150369943
2015-12-24

Method of optimising the output of a sensor for indicating the relative location of a mettalic object

#62
20150369632
2015-12-24

Sensor assembly for measuring the relative position of a control rod connected to a lead screw within a nuclear reactor

#63
20150332795
2015-11-19

Rod Control and Information System, Control Rod Individual Controller, and Test Method for Rod Control and Information System

#64
20150270021
2015-09-24

Method of accessing a core of a nuclear reactor

#65
20150036778
2015-02-05

Reactor state monitoring apparatus and monitoring method thereof

#66
20140366354
2014-12-18

Servicing a nuclear reactor module

#67
20140362966
2014-12-11

Neutron monitoring system

#68
20140307843
2014-10-16

Reactor in-core instrument handling system

#69
20140270041
2014-09-18

Actinide Oxide Structures For Monitoring A Radioactive Environment Wirelessly

#70
20140185728
2014-07-03

Systems and methods for disposing of one or more radioactive components from nuclear reactors of nuclear plants

#71
20140140464
2014-05-22

Wireless transmission of nuclear instrumentation signals

#72
20140062464
2014-03-06

Apparatus for detecting a magnetically conductive object and position measuring system for measuring the position of a guide rod and associated position measuring method

#73
20130335727
2013-12-19

System and method for post-tensioned tendon monitoring

#74
20130308739
2013-11-21

Apparatuses and methods for controlling movement of components

#75
20130272469
2013-10-17

DEVICE AND METHOD FOR REACTOR AND CONTAINMENT MONITORING

#76
20130272468
2013-10-17

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

#77
20130271120
2013-10-17

Position measuring system and associated measuring method for detecting an indicated position of a linearly movable guide element

#78
20130266110
2013-10-10

Traveling reactor power monitoring system and method for monitoring driving torque

#79
20130266108
2013-10-10

WATER LEVEL DETERMINING METHOD FOR BOILING WATER REACTOR

#80
20130208844
2013-08-15

Nuclear reactor power monitor

#81
20130195237
2013-08-01

Method for controlling the positions of nuclear fuel assemblies inside a nuclear reactor core, and corresponding control assembly

#82
20130182810
2013-07-18

TRAVELING REACTOR POWER MONITORING SYSTEM AND METHOD FOR DRIVING A TRAVELING PROBE

#83
20130153715
2013-06-20

Support apparatus for supporting dosimetry system in proximity to reactor apparatus

#84
20130121451
2013-05-16

Nuclear reactor vibration monitoring apparatus and method of monitoring nuclear reactor vibration

#85
20130083879
2013-04-04

In-core instrument thimble assembly

#86
20130083314
2013-04-04

Combined measurement of neutron fluence with temperature and/or pressure

#87
20130058448
2013-03-07

VIBRO-ACOUSTIC SENSORS FOR MATERIALS CHARACTERIZATION AND RELATED METHODS AND SYSTEMS

#88
20130058447
2013-03-07

Nuclear reactor power monitor

#89
20120321028
2012-12-20

TIP system and TIP monitoring control equipment

#90
20120285246
2012-11-15

Nuclear reactor vibration monitoring device and monitoring method thereof

#91
20120281801
2012-11-08

Core thermal limit value monitoring device, core monitoring system and core thermal limit value monitoring method

#92
20120263267
2012-10-18

Electrochemical corrosion potential device and method

#93
20120263266
2012-10-18

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

#94
20120206011
2012-08-16

Noise and vibration mitigation system for nuclear reactors employing an acoustic side branch resonator

#95
20120177167
2012-07-12

Self-powered wireless in-core detector

#96
20120177166
2012-07-12

Wireless in-core neutron monitor

#97
20120144641
2012-06-14

Jet pump measurement pipe repair method

#98
20120138179
2012-06-07

Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid

#99
20120087454
2012-04-12

Primary neutron source multiplier assembly

#100
20120085448
2012-04-12

Electromagnetic flow regulator, system, and methods for regulating flow of an electrically conductive fluid

#101
20120085447
2012-04-12

Electromagnetic flow regulator, system and methods for regulating flow of an electrically conductive fluid

#102
20120082284
2012-04-05

System and method for determining a state of operational readiness of a fuel cell backup system of a nuclear reactor system

#103
20120002774
2012-01-05

METHOD FOR DETERMINING INTENSITY OF GAMMA RADIATION EMISSION OF A RADIOELEMENT

#104
20120001012
2012-01-05

Traversing In-Core Probe Drive Unit and Method for Monitoring Friction of Inside of Guide Tubes

#105
20110299647
2011-12-08

Instrument for nuclear power facility

#106
20110268238
2011-11-03

APPARATUS AND METHOD FOR AUTOMATICALLY AND REMOTELY MEASURING THE INTERNAL GAP OF A REACTOR

#107
20110239779
2011-10-06

Two-phase flow exciting force evaluation method and device acting on a plurality of tube bodies arranged to intersect with the flow

#108
20110150167
2011-06-23

Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system

#109
20110096889
2011-04-28

Indexing device installation unit

#110
20110085633
2011-04-14

Wireless transmission of nuclear instrumentation signals

#111
20110051881
2011-03-03

Nuclear fission reactor, vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system

#112
20110051876
2011-03-03

Nuclear fission reactor, a vented nuclear fission fuel module, methods therefor and a vented nuclear fission fuel module system

#113
20100266088
2010-10-21

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

#114
20100266087
2010-10-21

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

#115
20100266086
2010-10-21

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

#116
20100266085
2010-10-21

Nuclear fission reactor, flow control assembly, methods therefor and a flow control assembly system

#117
20100220831
2010-09-02

Moderator temperature coefficient measurement apparatus

#118
20100202581
2010-08-12

VIBRATION EVALUATION APPARATUS AND VIBRATION EVALUATION METHOD

#119
20100150294
2010-06-17

Upper internals arrangement for a pressurized water reactor

#120
20100119026
2010-05-13

Method for Determining the Three-Dimensional Power Distribution of the Core of a Nuclear Reactor

#121
20100104060
2010-04-29

Optical gamma thermometer

#122
20100104059
2010-04-29

RENORMALIZATION METHOD OF EXCORE DETECTOR

#123
20100091929
2010-04-15

Structure for suppressing flow vibration of instrumentation guide tube

#124
20090252271
2009-10-08

Axial void fraction distribution measurement method and neutron multiplication factor evaluating method

#125
20080137799
2008-06-12

Nuclear fuel assembly

#126
20070153955
2007-07-05

System and method for collecting and transmitting nuclear reactor control rod position information

#127
20070086556
2007-04-19

Control rod position detector

#128
20070076839
2007-04-05

Axial void fraction distribution measurement method and neutron multiplication factor evaluating method

#129
20070063839
2007-03-22

Rod block monitor

#130
20050105667
2005-05-19

Instrumented capsule for nuclear fuel irradiation tests in research reactors

#131
17746550
2024-12-31

Systems and methods to establish maximum time interval between calibrations of process sensors

#132
14203679
2018-03-20

Reactor internals sensor inserts