ClassID:

200291

G21C17/112 - 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 Measuring temperature

Recent Application in this class:
#1
20260112511
2026-04-23

NUCLEAR REACTOR AND METHOD OF AUTONOMOUS CONTROL OF SUCH NUCLEAR REACTOR

#2
20250285776
2025-09-11

ENERGY SOURCE

#3
20250246325
2025-07-31

DETECTION APPARATUS COMPRISING A RESONANT ELECTRICAL CIRCUIT LOCATED WITHIN A NUCLEAR FUEL ROD

#4
20250149195
2025-05-08

Nuclear Component Testing

#5
20250130362
2025-04-24

SYSTEMS AND METHODS FOR SENSOR INSTRUMENTATION IN NUCLEAR REACTORS

#6
20250006388
2025-01-02

Heat Exchangers for Fuel Rods Incorporating Sensors

#7
20240395426
2024-11-28

SUPPORTS WITH INTEGRATED SENSORS FOR NUCLEAR REACTOR STEAM GENERATORS, AND ASSOCIATED SYSTEMS AND METHODS

#8
20240304348
2024-09-12

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

#9
20240296967
2024-09-05

METHODS AND SYSTEMS FOR PREDICTING FATIGUE ACCUMULATION

#10
20240186028
2024-06-06

TESTING AND EDUCATION MICROREACTOR

#11
20240145108
2024-05-02

IN-SITU TEMPERATURE-CONTROLLED ACTIVE INSTRUMENTATION CAPSULE FOR MATERIALS IRRADIATION TESTING

#12
20240145107
2024-05-02

NEUTRON FLUX MEASUREMENT APPARATUS

#13
20240142328
2024-05-02

SENSING DEVICES FOR HARSH ENVIRONMENTS

#14
20240127978
2024-04-18

METHOD FOR THERMAL PERFORMANCE MONITORING OF A NUCLEAR POWER PLANT USING THE NCV METHOD

#15
20240071637
2024-02-29

Detection apparatus comprising a resonant electrical circuit located within a nuclear fuel rod

#16
20240013936
2024-01-11

Nuclear reactor with an axially stratified fuel bed

#17
20230352201
2023-11-02

ENERGY SOURCE

#18
20230282375
2023-09-07

MICROREACTOR WITH CONTROL NEUTRON ABSORBER ASSEMBLY INCLUDING A CONTROL NEUTRON ABSORBER ROD

#19
20230187091
2023-06-15

System for determining power generated by a nuclear core assembly

#20
20230111998
2023-04-13

Method of operating a nuclear power plant

#21
20220246319
2022-08-04

Supports with integrated sensors for nuclear reactor steam generators, and associated systems and methods

#22
20220196488
2022-06-23

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

#23
20220130562
2022-04-28

Multi-loop natural circulation experimental device under six-degree-of-freedom motion conditions and method therefor

#24
20220084705
2022-03-17

Nuclear fuel failure protection system

#25
20220084702
2022-03-17

Apparatus with flow assembly including temperature sensors and heating element

#26
20220059245
2022-02-24

Method and assembling system for inserting at least one nuclear fuel rod into spacer grids of a nuclear fuel assembly

#27
20220044831
2022-02-10

Fuel rod sensor system with inductive coupling

#28
20220011173
2022-01-13

Wireless Temperature Sensors and Methods

#29
20210398698
2021-12-23

Sensors for passively measuring a maximum temperature of a nuclear reactor, and related methods

#30
20210372957
2021-12-02

Optical fiber-based gamma calorimeter (OFBGC)

#31
20210358648
2021-11-18

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

#32
20210225538
2021-07-22

Methods for protection of nuclear reactors from thermal hydraulic/neutronic core instability

#33
20210210233
2021-07-08

Detection apparatus comprising a resonant electrical circuit located within a nuclear fuel rod

#34
20210210232
2021-07-08

Detection apparatus

#35
20210134472
2021-05-06

Techniques for incorporating sensors into apparatuses and systems

#36
20210074441
2021-03-11

Fuel rod sensor system with inductive coupling

#37
20210074440
2021-03-11

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

#38
20200402680
2020-12-24

Dry cask storage system having detection apparatus

#39
20200386603
2020-12-10

System and method using time-domain reflectometry to measure a level of a liquid

#40
20200365287
2020-11-19

Wirelessly emitting signals corresponding to detected neutron flux

#41
20200335236
2020-10-22

Method for determining at least one threshold value of at least one operating parameter of a nuclear reactor, and associated computer program and electronic system

#42
20200335234
2020-10-22

Real-time reactor coolant system boron concentration monitor utilizing an ultrasonic spectroscpopy system

#43
20200256740
2020-08-13

Apparatus for installing a thermocouple inside a reactor tube filled with catalyst

#44
20200256739
2020-08-13

Method for installing a thermocouple inside a reactor tube filled with catalyst

#45
20200254413
2020-08-13

Apparatus for installing a thermocouple inside a reactor tube filled with catalyst

#46
20200254412
2020-08-13

Method for installing a thermocouple inside a reactor tube filled with catalyst

#47
20200219630
2020-07-09

Temperature measurement sensor using material with a temperature dependent neutron capture cross section

#48
20200027599
2020-01-23

Nuclear fuel failure protection method

#49
20190362860
2019-11-28

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

#50
20190341159
2019-11-07

Sealing device between a tube and a column passing through the latter, method for mounting same

#51
20190326027
2019-10-24

Nuclear reactor, methods for assembling and replacing thermocouple ducts, assembly for implementing these methods

#52
20190252085
2019-08-15

Belt for measuring physical quantities of an object

#53
20190172597
2019-06-06

Heat pipe assembly of nuclear apparatus having fiber optical temperature detection system

#54
20190164655
2019-05-30

Floating nuclear power reactor with a self-cooling containment structure

#55
20190057783
2019-02-21

Method of operating a nuclear power plant

#56
20180315513
2018-11-01

Test apparatus and instrumented conduit for use with same

#57
20180259395
2018-09-13

Belt for measuring the temperature of an object

#58
20180218797
2018-08-02

In-core transmitter device structured to wirelessly emit signals corresponding to detected neutron flux

#59
20180136167
2018-05-17

ACOUSTIC MEASUREMENT INFRASTRUCTURE METHOD AND SYSTEM FOR PROCESS MONITORING, DIAGNOSTICS, AND PROGNOSTICS

#60
20180090236
2018-03-29

Sample holder for measuring nuclear heating in a nuclear reactor, and calorimetric cell including at least one such sample holder

#61
20180047468
2018-02-15

Nozzle seal structure

#62
20170322328
2017-11-09

LONG-LIVED IN-CORE INSTRUMENTATION

#63
20170294242
2017-10-12

IN SITU PROBE FOR MEASUREMENT OF LIQUIDUS TEMPERATURE IN A MOLTEN SALT REACTOR

#64
20170263342
2017-09-14

REAL-TIME REACTOR COOLANT SYSTEM BORON CONCENTRATION MONITOR UTILIZING AN ULTRASONIC SPECTROSCPOPY SYSTEM

#65
20170263341
2017-09-14

Reactor coolant system piping temperature distribution measurement system

#66
20170206988
2017-07-20

Thermoacoustic enhancements for nuclear fuel rods

#67
20170025193
2017-01-26

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

#68
20160349385
2016-12-01

Radiation monitor

#69
20160314859
2016-10-27

Floating nuclear power reactor with a self-cooling containment structure

#70
20160180978
2016-06-23

Assembly with a tube locking device, and associated maintenance method

#71
20160064106
2016-03-03

Residual power of UNF

#72
20160055926
2016-02-25

MULTI-THERMOCOUPLE IN-CORE INSTRUMENT ASSEMBLY AND SYSTEM AND METHOD FOR MONITORING INTERNAL STATE OF NUCLEAR REACTOR AFTER SEVERE ACCIDENT USING THE SAME

#73
20150332794
2015-11-19

Transportable monitoring system

#74
20150323390
2015-11-12

Rod thermometer device for detecting a temperature, use for the electrical simulation of nuclear fuel rods

#75
20150170771
2015-06-18

Floating nuclear power reactor with a self-cooling multiple component containment structure and an automatic radiation scrubbing containment structure

#76
20150170770
2015-06-18

Floating nuclear power reactor with a self-cooling containment structure

#77
20150110235
2015-04-23

Method for monitoring boron dilution during a reactor outage

#78
20150098485
2015-04-09

DEVICE FOR GENERATING A HIGH TEMPERATURE GRADIENT IN A SAMPLE COMPRISING OPTICAL MONITORING MEANS

#79
20150036779
2015-02-05

Integral molten salt reactor

#80
20140376678
2014-12-25

Method of and Apparatus for Monitoring a Nuclear Reactor Core Under Normal and Accident Conditions

#81
20140362965
2014-12-11

Thermo-acoustic nuclear power distribution measurement assembly

#82
20140318237
2014-10-30

Reactor water-level measurement system

#83
20140177774
2014-06-26

Passive visual fuel temperature indicator

#84
20140072086
2014-03-13

METHOD AND SYSTEM FOR MEASURING A SPENT FUEL POOL TEMPERATURE AND LIQUID LEVEL WITHOUT EXTERNAL ELECTRICAL POWER

#85
20130266108
2013-10-10

WATER LEVEL DETERMINING METHOD FOR BOILING WATER REACTOR

#86
20130266107
2013-10-10

METHODS FOR PROTECTION OF NUCLEAR REACTORS FROM THERMAL HYDRAULIC/NEUTRONIC CORE INSTABILITY

#87
20130259181
2013-10-03

Device for Generating a High Temperature Gradient in a Nuclear Fuel Sample

#88
20130221662
2013-08-29

Assembly comprising a first conduit and a second conduit connected through a connecting device

#89
20130170596
2013-07-04

Methods and apparatuses for monitoring nuclear reactor core conditions

#90
20130156142
2013-06-20

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

#91
20130114777
2013-05-09

Apparatus and method for detecting position of annulus spacer between concentric tubes

#92
20130083883
2013-04-04

POOL LEVEL INDICATION SYSTEM

#93
20130077727
2013-03-28

Rod position detection apparatus and method

#94
20130010912
2013-01-10

Neutron Monitoring Systems Including Gamma Thermometers And Methods Of Calibrating Nuclear Instruments Using Gamma Thermometers

#95
20120213320
2012-08-23

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 ELEMENT

#96
20120099690
2012-04-26

DEVICE FOR MEASURING TEMPERATURE COEFFICIENT OF MODERATOR AND METHOD FOR MEASURING TEMPERATURE COEFFICIENT OF MODERATOR

#97
20110064181
2011-03-17

Neutron monitoring systems including gamma thermometers and methods of calibrating nuclear instruments using gamma thermometers

#98
20110023598
2011-02-03

Electrical heating element and method of measuring a filling level

#99
20100220831
2010-09-02

Moderator temperature coefficient measurement apparatus

#100
20100195782
2010-08-05

Temperature Detection Apparatus For Natural Circulation Boiling Water Reactor

#101
20100104060
2010-04-29

Optical gamma thermometer

#102
20100002825
2010-01-07

AUTOMATIC CONNECTION DEVICE AND METHOD FOR REMOTELY CONNECTING THE DUCTS FOR GUIDING A THERMOCOUPLE FOR THE UPPER INTERNALS OF A NUCLEAR REACTOR

#103
20090315327
2009-12-24

Anti-rotation locking device for tube unions

#104
20090052604
2009-02-26

Temperature Detection Apparatus For Natural Circulation Boiling Water Reactor

#105
20070201606
2007-08-30

TEMPERATURE DETECTION APPARATUS FOR NATURAL CIRCULATION BOILING WATER REACTOR