ClassID:

200264

G21C17/017 - CPC Classification

Classification description:

Monitoring; Testing Maintaining Inspection or maintenance of pipe-lines or tubes in nuclear installations

Recent Application in this class:
#1
20260135008
2026-05-14

ULTRASOUND DEVICES AND METHODS FOR FUEL CHANNEL INSPECTION

#2
20260112512
2026-04-23

SYSTEM AND METHOD FOR DETECTING LEAKS IN A NUCLEAR FUEL POOL ASSEMBLY

#3
20260036556
2026-02-05

ULTRASONIC TESTING DEVICE AND ULTRASONIC TESTING METHOD

#4
20250369926
2025-12-04

ACTUATABLE GUIDE TUBE FOR ELECTRONIC INSPECTION SCOPE

#5
20250166858
2025-05-22

PLANT RELIABILITY EVALUATION SYSTEM, PLANT RELIABILITY EVALUATION METHOD, AND PLANT RELIABILITY EVALUATION PROGRAM

#6
20250035537
2025-01-30

Coupon Sampler, System and Methods of Use Thereof

#7
20250035429
2025-01-30

DEVICE FOR MEASURING BENDING OF AN ELONGATE VERTICALLY ORIENTED CHANNEL

#8
20240401934
2024-12-05

METHOD OF MEASURING BENDING OF A NUCLEAR REACTOR FUEL CHANNEL

#9
20240274307
2024-08-15

Quick connect valve testing and tune-up setup for valves at a nuclear power plant

#10
20240194364
2024-06-13

ELECTROLYTIC INTERIOR SURFACE TREATMENT APPARATUS

#11
20240068848
2024-02-29

Sensor Mounting Device for Sensor Testing

#12
20240006086
2024-01-04

SYSTEMS AND METHODS FOR SIMULATING AN OPERATION OF ONE OR MORE AUTOMATED TOOLS WITHIN A NUCLEAR FACILITY

#13
20230402198
2023-12-14

PROCESS AND TOOLS TO PERFORM REACTOR PRESSURE VESSEL NOZZLE EXPANSION MITIGATING PRIMARY COOLANT LEAKAGE

#14
20230170103
2023-06-01

Method and device for replacing sleeves lining nuclear reactor pressure vessel tubes

#15
20230143492
2023-05-11

Ultrasonic phased array transducer for the NDE inspection of the jet pump riser welds and welded attachments

#16
20230122479
2023-04-20

Sea creature cleaning robot for intake tunnel for nuclear power plant

#17
20220375637
2022-11-24

CONTAINMENT APPARATUS MONITORING SYSTEM AND METHOD

#18
20220254529
2022-08-11

Lower end replacement of a sleeve that lines a CRDM nozzle in a nuclear reactor

#19
20220251678
2022-08-11

Portable dehydriding apparatus and method of using same

#20
20220192111
2022-06-23

Modular kinematic and telemetry system for an irrigation system

#21
20220115154
2022-04-14

Feedwater sparger nozzle repair assembly

#22
20220003578
2022-01-06

Calibration bracket

#23
20210383937
2021-12-09

Articulated manipulator for navigating and servicing a heat exchanger

#24
20210364434
2021-11-25

Optical fiber laser induced breakdown spectroscopy detection device and method

#25
20210343434
2021-11-04

Acousto-optic leakage monitoring system for nuclear power plant main steam pipeline

#26
20210241931
2021-08-05

METHOD OF DETECTING AN EXISTENCE OF A LOOSE PART IN A STEAM GENERATOR OF A NUCLEAR POWER PLANT

#27
20210151209
2021-05-20

Supporting force inspection device and supporting force inspection method

#28
20210125739
2021-04-29

Method and device for replacing sleeves lining nuclear reactor pressure vessel tubes

#29
20200391254
2020-12-17

Method of cleaning a throat section of a jet pump assembly of a nuclear reactor

#30
20200368860
2020-11-26

SYSTEMS AND METHODS FOR NUCLEAR REACTOR DRY TUBE ASSEMBLY REMOVAL AND INSTALLATION

#31
20200350087
2020-11-05

Apparatus and method to remotely inspect piping and piping attachment welds

#32
20200348265
2020-11-05

Ultrasonic phased array transducer for the NDE inspection of the jet pump riser welds and welded attachments

#33
20200328003
2020-10-15

Feedwater sparger nozzle repair assembly

#34
20200325754
2020-10-15

High power laser flow assurance systems, tools and methods

#35
20200238923
2020-07-30

Device for a motor vehicle

#36
20200116286
2020-04-16

Reactor pressure vessel including pipe restraint device, and/or pipe restraint device

#37
20200055106
2020-02-20

Internal Mechanical Stress Improvement Method for Mitigating Stress Corrosion Cracking in Weld Areas of Nuclear Power Plant Piping

#38
20190389548
2019-12-26

Inspection vehicle with maintenance tools

#39
20190304612
2019-10-03

Mechanical seal assembly and method for sealing an opening in a nuclear power plant

#40
20190195829
2019-06-27

Ultrasound inspection

#41
20190172597
2019-06-06

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

#42
20190103196
2019-04-04

Systems and methods for assaying an object

#43
20190094514
2019-03-28

SYSTEM FOR SIMULTANEOUS MULTI-TUBE INSPECTION OF VERTICAL TUBE BUNDLES

#44
20190070645
2019-03-07

Method of cleaning a nozzle of a jet pump assembly of a nuclear reactor

#45
20190070642
2019-03-07

Method of cleaning a throat section of a jet pump assembly of a nuclear reactor

#46
20190049410
2019-02-14

EDDY CURRENT INSPECTION PROBE

#47
20190019589
2019-01-17

Apparatus and method for identifying cracks in a structure using a multi-stage classifier

#48
20180202972
2018-07-19

Wire rope flaw detector

#49
20180161944
2018-06-14

SYSTEMS AND METHODS FOR NUCLEAR REACTOR DRY TUBE ASSEMBLY REMOVAL AND INSTALLATION

#50
20180119868
2018-05-03

Pipe-inspection device propelled by an Archimedes screw

#51
20180033503
2018-02-01

Nuclear instrumentation system and method for locating the same

#52
20180005714
2018-01-04

Inspection device

#53
20170278587
2017-09-28

Assembly for acting on the outer surface of a tube, and corresponding method

#54
20170184244
2017-06-29

Reactor pressure vessel including pipe restraint device, and/or a pipe restraint device

#55
20170098481
2017-04-06

Method and apparatus for suppressing flow-induced jet pump vibration in a boiling water reactor

#56
20170053718
2017-02-23

CLOSED VESSEL HAVING A MID-WALL REPAIR

#57
20170053717
2017-02-23

METHOD OF PROVIDING AND EVALUATING A MID-WALL REPAIR

#58
20170018321
2017-01-19

Under vessel automated work platform assembly

#59
20170003215
2017-01-05

METHOD FOR QUANTITATIVE ESTIMATION OF FOULING OF THE SPACERS PLATES IN A STEAM GENERATOR

#60
20160358678
2016-12-08

Method and apparatus for suppressing flow-induced jet pump vibration in a boiling water reactor

#61
20160327520
2016-11-10

Ultrasound inspection

#62
20160299115
2016-10-13

Non-destructive methods for noble metal loading analysis on material surfaces

#63
20160251940
2016-09-01

High power laser flow assurance systems, tools and methods

#64
20160208978
2016-07-21

Method of extending life expectancy of high-temperature piping and life expectancy extension structure of high-temperature piping

#65
20160141057
2016-05-19

Excavation and weld repair methodology for pressurized water reactor piping and vessel nozzles

#66
20160109410
2016-04-21

Optical fiber electromagnetic acoustic transducer pipe inspecting appartus and method

#67
20160094761
2016-03-31

Investigation system

#68
20160033084
2016-02-04

Regulator apparatus having a charging valve assembly and a flow multiplier assembly

#69
20160025961
2016-01-28

System and method for simultaneous multi-tube inspection of vertical tube bundles

#70
20150348659
2015-12-03

Water jet peening apparatus and water jet peening method

#71
20150348658
2015-12-03

Nuclear reactor nozzle repair method

#72
20150346156
2015-12-03

Method for evaluating the clogging of a heat exchanger

#73
20150338377
2015-11-26

Eddy Current Inspection Probe

#74
20150325319
2015-11-12

Nuclear reactor nozzle repair method

#75
20150321299
2015-11-12

Water jet peening device

#76
20150287482
2015-10-08

BWR feedwater sparger end bracket pin clamp

#77
20150233869
2015-08-20

Ultrasonic phased array transducer for the NDE inspection of the jet pump riser welds and welded attachments

#78
20150221401
2015-08-06

Apparatus and method to remotely inspect piping and piping attachment welds

#79
20150131767
2015-05-14

CONSTRUCTION METHOD, TUBULAR MEMBER, AND NUCLEAR POWER PLANT

#80
20150075572
2015-03-19

Cleaning device of porous plate for nuclear power

#81
20150048059
2015-02-19

Laser welding apparatus, preventive maintenance method for reactor internal of nuclear power plant, and laser cutting apparatus

#82
20150047487
2015-02-19

SYSTEMS, APPARATUSES AND METHODS OF GRIPPING, CUTTING AND REMOVING OBJECTS

#83
20150013425
2015-01-15

Internal Mechanical Stress Improvement Method for Mitigating Stress Corrosion Cracking in Weld Areas of Nuclear Power Plant Piping

#84
20140338472
2014-11-20

Apparatus and method for inspecting pipelines

#85
20140293292
2014-10-02

Device for measuring the surface state of a surface

#86
20140241482
2014-08-28

Inspection method and inspection device

#87
20140211902
2014-07-31

Inspection apparatus for penetration pipe of nuclear reactor head

#88
20140150228
2014-06-05

Machining, examination, and welding integral device for nozzle

#89
20140076053
2014-03-20

Profiling tool for determining material thickness for inspection sites having complex topography

#90
20140064431
2014-03-06

Nozzle repairing method and nuclear reactor vessel

#91
20140047692
2014-02-20

Method of repairing a pressurizer, and equipment for implementing the method

#92
20140013873
2014-01-16

Cam-locking dissimilar material sleeve

#93
20130335551
2013-12-19

DEVICE FOR INSPECTING A STEAM GENERATOR

#94
20130308737
2013-11-21

Mechanical connections and methods

#95
20130299670
2013-11-14

Tubesheet gripping mechanism and method

#96
20130299122
2013-11-14

Tubesheet walker for heat exchanger inspections

#97
20130288880
2013-10-31

SiC ceramic material, SiC ceramic structure, and their fabrication methods

#98
20130243145
2013-09-19

Nozzle inspection tool for nuclear power plants

#99
20130239688
2013-09-19

Pipe processing device and pipe processing method

#100
20130170597
2013-07-04

Preventive maintenance/repair device and preventive mainenance/repair method for cylindrical structure

#101
20130125929
2013-05-23

Preventive Maintenance Apparatus and Preventive Maintenance Method for Inner Surface of Piping

#102
20130114777
2013-05-09

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

#103
20130101153
2013-04-25

Insertion-hole blockage-rate evaluation system, insertion-hole blockage-rate evaluation method, and insertion-hole blockage-rate evaluation program

#104
20130061441
2013-03-14

Jet pump diffuser weld repair device and method

#105
20130044852
2013-02-21

Treatment of a heater tube intended for a pressurizer of the primary cooling system of a nuclear reactor

#106
20130009634
2013-01-10

Apparatus and method for measuring deposits inside a tube

#107
20120308321
2012-12-06

Repair device

#108
20120288049
2012-11-15

Vibrothermographic weld inspections

#109
20120285577
2012-11-15

Method for heat-treating metal tubes or pipes for nuclear power plant

#110
20120281800
2012-11-08

Method of checking installed state of jet pump beam

#111
20120269311
2012-10-25

IN-REACTOR PIPING WORK DEVICE AND IN-REACTOR PIPING WORK METHOD

#112
20120257937
2012-10-11

Repair device and repair method

#113
20120257705
2012-10-11

Method of detecting an existence of a loose part in a steam generator of a nuclear power plant

#114
20120255289
2012-10-11

Water-chamber working apparatus

#115
20120247566
2012-10-04

TUBULAR PIPE FOR TRANSPORTING LIQUID SODIUM

#116
20120205349
2012-08-16

Laser irradiation apparatus and laser machining method

#117
20120183114
2012-07-19

METHOD AND APPARATUS FOR TESTING AN ANNULAR WELD ON A MAIN COOLANT LINE CONNECTED TO A REACTOR PRESSURE VESSEL OF A NUCLEAR POWER PLANT

#118
20120180318
2012-07-19

Nuclear power plant construction preparation unit, nuclear power plant construction system, and nuclear power plant construction method

#119
20120177165
2012-07-12

CONSTRUCTION METHOD, TUBULAR MEMBER, AND NUCLEAR POWER PLANT

#120
20120155599
2012-06-21

Method and apparatus for an expanding split bushing pipe plug assembly

#121
20120155598
2012-06-21

Method and apparatus for a riser pipe repair with compression

#122
20120148010
2012-06-14

Top guide inspection fixture

#123
20120144641
2012-06-14

Jet pump measurement pipe repair method

#124
20120117774
2012-05-17

Reactor vessel repair method

#125
20120090412
2012-04-19

Circumferential sampling tool

#126
20120065927
2012-03-15

Method for automated position verification

#127
20120048021
2012-03-01

Laser-based maintenance apparatus for inspecting flaws based on a generated surface wave

#128
20120033777
2012-02-09

Jet pump inspection apparatus

#129
20120027154
2012-02-02

Nozzle stub working system for reactor vessel

#130
20120007594
2012-01-12

Low row steam generator inspection probe

#131
20120006134
2012-01-12

Low row steam generator inspection probe

#132
20120006133
2012-01-12

LOW ROW STEAM GENERATOR INSPECTION PROBE

#133
20110274229
2011-11-10

Reactor bottom repairing method

#134
20110252627
2011-10-20

Method for repairing a core spray line elbow weld joint

#135
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

#136
20110210228
2011-09-01

Apparatus and method for repairing a core spray line pipe weld joint

#137
20110198075
2011-08-18

IN-PIPE WORK DEVICE

#138
20110194663
2011-08-11

Nozzle mounting structure

#139
20110142188
2011-06-16

Apparatus for removing thermal sleeve from cold leg of reactor coolant system

#140
20110142187
2011-06-16

Method for removing thermal sleeve from cold leg of reactor coolant system

#141
20110142186
2011-06-16

METHOD AND DEVICE FOR DETECTING DEPOSITS COMPRISING AT LEAST ONE FERROMAGNETIC MATERIAL ON OR NEAR THE EXTERNAL WALL OF A TUBE

#142
20110125462
2011-05-26

TETHERLESS TUBE INSPECTION SYSTEM

#143
20110030478
2011-02-10

Inspecting device including detachable probe

#144
20110019790
2011-01-27

Advanced fuel CRUD sampling tool method

#145
20100329408
2010-12-30

Systems, Apparatuses and Methods of Gripping, Cutting and Removing Objects

#146
20100325859
2010-12-30

Method for Repairing Primary Nozzle Welds

#147
20100316180
2010-12-16

Jet pump riser brace clamp

#148
20100301851
2010-12-02

Apparatus and method for searching eddy current of electric heat tube using measuring magnetic permeability in steam generator

#149
20100301506
2010-12-02

In Situ Pipe Repair Controller and System

#150
20100275691
2010-11-04

Non-destructive pipe scanner

#151
20100257716
2010-10-14

Apparatus and method for removing a dry tube assembly from a nuclear reactor pressure vessel

#152
20100208248
2010-08-19

Laser-based maintenance apparatus using ultrasonic wave detection for flaw analysis and repair

#153
20100206149
2010-08-19

TUBE CUTTING DEVICE AND METHOD THEREOF

#154
20100204817
2010-08-12

Posture control method and posture control device

#155
20100202581
2010-08-12

VIBRATION EVALUATION APPARATUS AND VIBRATION EVALUATION METHOD

#156
20100199769
2010-08-12

Laser ultrasonic detection device including a laser oscillating device which includes a seed laser oscillating element

#157
20100199768
2010-08-12

Laser-based maintenance apparatus for inspecting flaws

#158
20100150296
2010-06-17

PREVENTIVE MAINTENANCE/REPAIR DEVICE AND PREVENTIVE MAINTENANCE/REPAIR METHOD FOR CYLINDRICAL STRUCTURE

#159
20100140918
2010-06-10

Mechanical assembly for securing the structural integrity of a pipe joint

#160
20100034334
2010-02-11

Pressuriser for a pressurised water nuclear power plant

#161
20100013221
2010-01-21

Method and apparatus for repairing a flawed welded joint in a core spray piping system

#162
20100010750
2010-01-14

Method for measuring the pressure and/or molar mass of a gas in a housing, and corresponding measurement assembly

#163
20090323882
2009-12-31

Method for providing a dry environment for underwater repair of the reactor bottom head using a segmented caisson

#164
20090307891
2009-12-17

Method and apparatus for remotely inspecting and/or treating welds, pipes, vessels and/or other components used in reactor coolant systems or other process applications

#165
20090127854
2009-05-21

Method and system for repairing a downcomer pipe in a core spray for a nuclear reactor

#166
20090127415
2009-05-21

Apparatus and method for repairing a core spray line elbow weld joint

#167
20090127414
2009-05-21

Apparatus and method for repairing a core spray line pipe weld joint

#168
20090038398
2009-02-12

Motorized bracelet assembly for moving sensor modules around a pipe

#169
20090037146
2009-02-05

System and methods for testing, monitoring, and replacing equipment

#170
20080296470
2008-12-04

Method and apparatus for repairing a jet pump line support

#171
20080279325
2008-11-13

Compression sleeves usable in nuclear reactors

#172
20080264451
2008-10-30

Apparatus and method for processing inside of pipe

#173
20080260324
2008-10-23

Active sensor, multipoint active sensor, method for diagnosing deterioration of pipe, and apparatus for diagnosing deterioration of pipe, and apparatus for diagnosis deterioration of pipe

#174
20080240331
2008-10-02

INSPECTION APPARATUS FOR REACTOR BOTTOM MOUNTED INSTRUMENTATION NOZZLE

#175
20080155832
2008-07-03

TUBE CUTTING DEVICE ANG METHOD THEREOF

#176
20080130817
2008-06-05

METHOD AND APPARATUS FOR MEASUREMENT OF TERMINAL SOLID SOLUBILITY TEMPERATURE IN ALLOYS CAPABLE OF FORMING HYDRIDES

#177
20080107227
2008-05-08

Jet pump diffuser weld repair device and method

#178
20080048010
2008-02-28

Clading complex piping geometry

#179
20080008287
2008-01-10

Method of providing and evaluating a mid-wall repair

#180
20070297556
2007-12-27

FULL FUNCTION PRECISION WELDING SYSTEM

#181
20070248203
2007-10-25

T-shaped pipefitting element pertaining to an auxiliary circuit of a nuclear reactor, connection piece

#182
20070157730
2007-07-12

Laser-based maintenance apparatus

#183
20060229855
2006-10-12

Method of offering wall-thickness thinning prediction information, and computer-readable recording medium storing wall-thickness thinning prediction program, and method of planning piping work plan

#184
20060198488
2006-09-07

Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor

#185
20060151037
2006-07-13

In situ pipe repair controller and system

#186
20060140329
2006-06-29

DEVICE AND METHOD FOR CARRYING OUT MAINTENANCE WORK IN A REGION OF A PLANT DELIMITED BY A WALL HAVING AT LEAST TWO FACING SURFACES

#187
20060104784
2006-05-18

Apparatus for picking up a defective portion replica

#188
20060082139
2006-04-20

Core spray sparger T-box clamp apparatus and method for installing the same

#189
20060062343
2006-03-23

Nondestructive method for inspecting cladding tubes

#190
20060048589
2006-03-09

Apparatus for moving a measuring device along a pipe

#191
20060042659
2006-03-02

Robotic system and method for circumferential work processes and delivery of a medium

#192
20050220252
2005-10-06

Methods and apparatus for inspecting reactor pressure tubes

#193
20050149305
2005-07-07

Method of offering wall-thickness thinning prediction information, and computer-readable recording medium storing wall-thickness thinning prediction program, and method of planning piping work plan

#194
20050117686
2005-06-02

Procedure and means for replacing and procedure for repairing a section of a pipe in the primary circuit of a nuclear reactor

#195
20050056105
2005-03-17

Method and apparatus for inspection of reactor head components