ClassID:

168575

G01N27/83 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws by investigating stray magnetic fields

Sub-classes:
Recent Application in this class:
#1
20260118318
2026-04-30

CRACK PREDICTION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND COMPUTER-READABLE STORAGE MEDIUM

#2
20260043770
2026-02-12

PIPELINE DEFECT IN-LINE INSPECTOR BASED ON PLANAR MAGNETIC FLUX LEAKAGE ARRAY IMAGING

#3
20250369922
2025-12-04

COILED TUBING AND CASING INSPECTION BASED ON MAGNETIC FLUX LEAKAGE MEASUREMENTS

#4
20250251364
2025-08-07

METHOD OF RADIAL LAYOUT OF WEAK MAGNETIC ENERGY PRODUCT OF FERROMAGNETIC MATERIAL

#5
20250164444
2025-05-22

MAGNETIC FLUX LEAKAGE AND ELECTROMAGNETIC ACOUSTIC TRANSDUCER JOINT TESTING DEVICE AND METHOD FOR DRILL PIPE AT WELLHEAD

#6
20250052719
2025-02-13

Metallic Flaw Detection System and Method

#7
20250052718
2025-02-13

CIRCUMFERENTIAL MAGNETIZER FOR A PIPELINE INSPECTION GAUGE

#8
20240159708
2024-05-16

INFORMATION PROCESSING METHOD, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, INFORMATION PROCESSING DEVICE, AND MODEL GENERATION METHOD

#9
20240044842
2024-02-08

SYSTEM AND METHOD FOR INSPECTING METAL PARTS

#10
20240003848
2024-01-04

METHOD AND SYSTEM FOR TESTING A PIPE

#11
20230341354
2023-10-26

INTELLIGENT INVERSION METHOD FOR PIPELINE DEFECTS BASED ON HETEROGENEOUS FIELD SIGNALS

#12
20230324337
2023-10-12

Metallic flaw detection system and method

#13
20230314375
2023-10-05

GAS MEASURING DEVICE

#14
20230273155
2023-08-31

Wire rope inspection device and wire rope inspection system

#15
20230258599
2023-08-17

METHOD FOR DETERMINING THE GEOMETRY OF A DEFECT AND FOR DETERMINING A LOAD LIMIT

#16
20230258598
2023-08-17

Sensitivity calibration method, inspection device, and magnetic sensor group

#17
20230108846
2023-04-06

Magnetic flaw detection method, magnetic field measurement processing apparatus, and magnetic flaw detection apparatus

#18
20230076262
2023-03-09

Electromagnetic non-destructive quality testing method, and testing circuit and system therefor

#19
20230072626
2023-03-09

Wire rope inspection method, wire rope inspection system, and wire rope inspection device

#20
20230053507
2023-02-23

WIRE ROPE INSPECTION DEVICE

#21
20230034506
2023-02-02

A DEVICE FOR THE INSPECTION OF STEEL WIRE ROPES AND A PROCEDURE FOR THE USE THEREOF

#22
20220365031
2022-11-17

Tracking and estimating tubing fatigue in cycles to failure considering non-destructive evaluation of tubing defects

#23
20220291168
2022-09-15

System for inspecting equipment and materials for quality

#24
20220229018
2022-07-21

Deterioration prediction device for magnetic body and deterioration prediction method for magnetic body

#25
20220212894
2022-07-07

Wire rope inspection system and wire rope inspection method

#26
20220205949
2022-06-30

Leakage-flux flaw detection device

#27
20220187246
2022-06-16

Nondestructive testing method and device for detecting and distinguishing internal defect and external defect of wire rope

#28
20220065741
2022-03-03

Analysis device and analysis method

#29
20210382009
2021-12-09

Damage detection method of wire rope, and signal processor and damage detection device used for damage detection of wire rope

#30
20210341423
2021-11-04

Gate detection robot based on giant magnetoresistance element and detection method

#31
20210285915
2021-09-16

System and method for obtaining and analyzing flux leakage data in the inspection of oil and gas wells

#32
20210215640
2021-07-15

Passive Method and System to Detect and Measure Internal Flaws within Metal Rails

#33
20210156823
2021-05-27

Method for inspection of polymeric material with ferrous reinforcement to determine presence of reinforcement joint or damage

#34
20210107770
2021-04-15

Magnetic body inspection device

#35
20210094801
2021-04-01

SYSTEMS AND METHODS FOR MONITORING THE INTEGRITY OF BELTS IN ELEVATOR SYSTEMS

#36
20210094800
2021-04-01

SYSTEMS AND METHODS FOR MONITORING THE INTEGRITY OF BELTS IN ELEVATOR SYSTEMS

#37
20210071801
2021-03-11

Pipe crawler

#38
20210036384
2021-02-04

Non-destructive inspection method

#39
20200378923
2020-12-03

Single point contact triaxial sensor head for an inline inspection tool

#40
20200371066
2020-11-26

Pipe inspection

#41
20200340948
2020-10-29

Method for determining the geometry of a defect and for determining a load limit

#42
20200319142
2020-10-08

Insulation inspection device and method

#43
20200284760
2020-09-10

3D defect detection method with magnetic flux leakage testing

#44
20200003729
2020-01-02

Method and device for detecting and evaluating defect

#45
20200002133
2020-01-02

Wire rope flaw detector

#46
20190376785
2019-12-12

Method, apparatus, system and sensor for detecting multi-mode electromagnetic acoustic and magnetic flux leakage

#47
20190360965
2019-11-28

Magnetic body inspection apparatus and magnetic body inspection method

#48
20190331610
2019-10-31

Weld scanner for real-life bridge and scanning method thereof

#49
20190302057
2019-10-03

Rail inspection system

#50
20190293603
2019-09-26

Method and apparatus for evaluating damage to magnetic linear body

#51
20190285586
2019-09-19

Method and apparatus for evaluating damage to magnetic linear body

#52
20190285585
2019-09-19

Method and apparatus for evaluating damage to magnetic linear body

#53
20190187187
2019-06-20

Current sensor

#54
20190086239
2019-03-21

Device and method for determining the wear state of a chain

#55
20190079053
2019-03-14

Wire rope flaw detector and adjustment method therefor

#56
20190079052
2019-03-14

Pipe inspection

#57
20190064116
2019-02-28

Tracking and estimating tubing fatigue in cycles to failure considering non-destructive evaluation of tubing defects

#58
20190064115
2019-02-28

System and Method for Characterizing Ferromagnetic Material

#59
20190049409
2019-02-14

Method and device for identifying defect opening profile

#60
20190033258
2019-01-31

EXCITATION AND SENSING SYSTEMS AND METHODS FOR DETECTING CORROSION UNDER INSULATION

#61
20180335403
2018-11-22

Method for simulating magnetic flux leakage based on loop current

#62
20180328888
2018-11-15

Method and system for detecting a material discontinuity in a magnetisable article

#63
20180321133
2018-11-08

Fire tube scanner and method of use

#64
20180275099
2018-09-27

Method for reconstructing defect

#65
20180202972
2018-07-19

Wire rope flaw detector

#66
20180188208
2018-07-05

Apparatus and method for detection of imperfections by detecting changes in flux of a magnetized body

#67
20180172639
2018-06-21

Rail check device and rail check system

#68
20180172601
2018-06-21

METHOD OF INSPECTING A STEEL STRIP

#69
20180080901
2018-03-22

Wire rope flaw detection device

#70
20170370806
2017-12-28

Method of using multiple row sensing device for a tire

#71
20170328864
2017-11-16

Defect inspection device and defect inspection method

#72
20170322182
2017-11-09

Pipe defect assessment system and method

#73
20170315094
2017-11-02

System and method for characterizing ferromagnetic material

#74
20170267264
2017-09-21

Combined passive and active method and systems to detect and measure internal flaws within metal rails

#75
20170227496
2017-08-10

Magnetic flux sensor quality indicator apparatus and method

#76
20170108469
2017-04-20

SYSTEM AND METHOD FOR CHARACTERIZING FERROMAGNETIC MATERIAL

#77
20170038338
2017-02-09

Wire rope inspection apparatus

#78
20170023347
2017-01-26

Device for analysis of synthetic rope or cable, and method of use

#79
20160325970
2016-11-10

Monitoring condition of elongated ferrous object having a longitudinal axis

#80
20160297455
2016-10-13

Inspection and monitoring system for a cable railway and a method of operating the same

#81
20160290963
2016-10-06

Apparatus and arrangement for monitoring a condition of an elongated ferrous object having a longitudinal axis

#82
20160252481
2016-09-01

Pipe damage assessment system and method

#83
20160231280
2016-08-11

Monitoring pipe conditions

#84
20160231279
2016-08-11

Linkage assembly for in-line inspection tool

#85
20160195496
2016-07-07

Method and apparatus for determining the health and remaining service life of austenitic steel reformer tubes and the like

#86
20160178580
2016-06-23

METHOD AND APPARATUS FOR QUANTIFYING PIPELINE DEFECT BASED ON MAGNETIC FLUX LEAKAGE TESTING

#87
20150377012
2015-12-31

Anomaly recognition system and methodology

#88
20150316508
2015-11-05

Apparatus and method for detecting inner defects of steel plate

#89
20150300989
2015-10-22

Method and apparatus for determining the health and remaining service life of austenitic steel reformer tubes and the like

#90
20150285767
2015-10-08

Measurement of lay length of wire rope

#91
20140191751
2014-07-10

Magnetic testing method and apparatus

#92
20140088889
2014-03-27

System, method and computer medium having computer program to determine presence of stress corrosion cracking in pipelines with pattern recognition

#93
20140035569
2014-02-06

Wire rope flaw detector

#94
20130200889
2013-08-08

Device and method for inductive measurements

#95
20130147471
2013-06-13

Magnetic inspection device and method

#96
20130113472
2013-05-09

Method and apparatus for magnetic crack depth prediction

#97
20130057269
2013-03-07

Leakage flux probe for non-destructive leakage flux-testing of bodies consisting of magnetisable material

#98
20120109565
2012-05-03

Leakage magnetic flux flaw inspection method and device

#99
20110040499
2011-02-17

Apparatus for detecting periodic defect and method therefor

#100
20110006762
2011-01-13

Wire rope flaw detector for increasing accuracy independent of speed while conserving detector size

#101
20110000338
2011-01-06

Method and apparatus for detecting concavo-convex shape surface defects

#102
20100327858
2010-12-30

Pipeline inspection tool with double spiral EMAT sensor array

#103
20100295545
2010-11-25

Device and method for inductive measurements—signal reconstruction

#104
20100259253
2010-10-14

Rope tester detection plate

#105
20100102807
2010-04-29

Wire rope flaw detector

#106
20100060273
2010-03-11

Sensor system for an in-line inspection tool

#107
20100019762
2010-01-28

Wire rope flaw detector

#108
20090134867
2009-05-28

Corrosion evaluation device and corrosion evaluation method

#109
20080106260
2008-05-08

Magnetic flux leakage system and method

#110
20080079427
2008-04-03

Test device for tubular specimens

#111
20070090834
2007-04-26

Wire rope flaw detector for elevator

#112
20060202684
2006-09-14

Multi-channel conveyor belt condition monitoring

#113
20060145693
2006-07-06

Detecting failures of flexible multistrand steel structures

#114
20050093536
2005-05-05

Manual probe carriage system and method of using the same

#115
15089686
2018-03-13

Unpowered railgun field validation for safe-arm fuzing