ClassID:

168578

G01N27/87 - 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 using probes

Recent Application in this class:
#1
20260126415
2026-05-07

MAGNETIZERS FOR PIGGING TOOLS HAVING ROTATIONAL ELEMENTS

#2
20250389693
2025-12-25

LEAKAGE MAGNETIC FIELD GRAPH TESTING METHOD AND APPARATUS FOR IN-SERVICE CABLE DAMAGE

#3
20250383320
2025-12-18

Method and Device for Stray Flux Testing of Ferromagnetic Test Material With Signal Normalization

#4
20250362269
2025-11-27

STRESS CONCENTRATION MAPPING IN INSULATED PIPEWORK

#5
20250251365
2025-08-07

MAGNETIZERS FOR PIGGING TOOLS HAVING ROTATIONAL ELEMENTS

#6
20250044258
2025-02-06

HEIGHT ADJUSTABLE INSPECTION SHOES, APPARATUS AND METHODS FOR INSPECTING TUBULARS

#7
20240402126
2024-12-05

SYSTEMS AND METHODS FOR PREDICTION OF MAGNETIC STRESS CALIBRATION & MATERIAL IDENTIFICATION FROM INSPECTION DATA

#8
20240142211
2024-05-02

PROBE DEVICE WITH SPIRAL SPRING, ROTATING HEAD AND TESTING APPARATUS

#9
20240003849
2024-01-04

METHOD FOR INSPECTING PIPELINES AND ASSOCIATED INSPECTION DEVICE

#10
20230314373
2023-10-05

SYSTEM AND METHOD FOR AUTOMATED ACQUISITION AND ANALYSIS OF ELECTROMAGNETIC TESTING DATA

#11
20230273277
2023-08-31

Automated inspection for internal corrosion

#12
20230221283
2023-07-13

STRESS CONCENTRATION MAPPING IN INSULATED PIPEWORK

#13
20230144348
2023-05-11

Inspection system for a plurality of separable inspection objects

#14
20230096829
2023-03-30

Pipeline Tool with Composite Magnetic Field for Inline Inspection

#15
20220390415
2022-12-08

Device and method for detecting wire breakage

#16
20220205950
2022-06-30

Metal structure evaluator for rolled steel sheets, method for evaluating metal structure of rolled steel sheet, production facility of steel product, method for manufacturing steel product, and method of quality management of steel product

#17
20220178878
2022-06-09

Apparatus and method of detecting defects in boiler tubes

#18
20220113283
2022-04-14

Method and apparatus for the detection of corrosion under insulation (CUI), corrosion under fireproofing (CUF), and far side corrosion on carbon steel piping and plates

#19
20210396711
2021-12-23

Device and method for testing steel defect based on internal and external magnetic perturbation

#20
20210380372
2021-12-09

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

#21
20210223207
2021-07-22

Probe device with spiral spring, rotating head and testing apparatus

#22
20210164941
2021-06-03

SYSTEM AND METHOD FOR ANALYZING ANOMALIES IN A CONDUIT

#23
20200393524
2020-12-17

Automated inspection for internal corrosion

#24
20200378923
2020-12-03

Single point contact triaxial sensor head for an inline inspection tool

#25
20200363293
2020-11-19

System and method for on-engine component defect detection

#26
20200326310
2020-10-15

Pipeline tool with composite magnetic field for inline inspection

#27
20200319142
2020-10-08

Insulation inspection device and method

#28
20200232947
2020-07-23

Eddy current probe

#29
20200049302
2020-02-13

Method and apparatus to detect flaws in metallic pipe

#30
20190162700
2019-05-30

SYSTEM AND METHOD FOR DETECTING AND REMEDIATING SELECTIVE SEAM WELD CORROSION IN A CONDUIT

#31
20190093829
2019-03-28

SYSTEM AND METHOD FOR DETECTING AND REMEDIATING SELECTIVE SEAM WELD CORROSION IN A CONDUIT

#32
20190072522
2019-03-07

System and Method for Detecting and Characterizing Defects in a Pipe

#33
20190004012
2019-01-03

Downhole pipe inspection tool utilizing electromagnetic energy

#34
20180299408
2018-10-18

Wire rope flaw detection device

#35
20180246064
2018-08-30

Wire rope flaw detection device and adjustment jig

#36
20180222269
2018-08-09

Wheel height adjustment assembly and methods of making and using same

#37
20180217098
2018-08-02

Probe device, rotating head, and test apparatus

#38
20180164250
2018-06-14

EDDY CURRENT PROBE AND A METHOD OF USING THE SAME

#39
20180149552
2018-05-31

System and method for the prediction of leakage in a pipeline

#40
20180128780
2018-05-10

Method and Apparatus for Inspecting Cracks in Threaded Holes

#41
20180080901
2018-03-22

Wire rope flaw detection device

#42
20180067084
2018-03-08

Inspection probe

#43
20170322182
2017-11-09

Pipe defect assessment system and method

#44
20170160236
2017-06-08

Method and apparatus for leakage flux testing

#45
20170010240
2017-01-12

Device and method for inspecting aluminum cables with a steel core (aluminum conductor steel reinforced—ASCR) installed in energized electrical energy lines

#46
20160231280
2016-08-11

Monitoring pipe conditions

#47
20140347041
2014-11-27

Defect inspection device of steel plate

#48
20130241541
2013-09-19

Eddy current inspection device, eddy current inspection probe, and eddy current inspection method

#49
20120256623
2012-10-11

NON-CONTACT MAGNETIC PARTICLE INSPECTION APPARATUS

#50
20120126798
2012-05-24

Method and apparatus for magnetic response imaging

#51
20120098532
2012-04-26

Method for automated measurement of the residual magnetic field strength of magnetized ferromagnetic workpieces

#52
20120002775
2012-01-05

Assembly and method for detecting and measuring the fouling rateof flow holes in a secondary circuit of a pressurized water nuclear reactor

#53
20110268343
2011-11-03

Method for the nondestructive testing of pipes

#54
20110167914
2011-07-14

INTEGRATED MULTI-SENSOR NON-DESTRUCTIVE TESTING

#55
20110037461
2011-02-17

Method and device for detecting near-surface defects by means of magnetic leakage flux measurement

#56
20100327859
2010-12-30

Pipeline inspection tool with oblique magnetizer

#57
20100308810
2010-12-09

In-line pipe inspection tool

#58
20100117634
2010-05-13

Wide Field ID-OD Discriminator

#59
20090302836
2009-12-10

Device for non-destructive testing of a component by analyzing distribution of a leakage magnetic field

#60
20090301206
2009-12-10

Method and system for non-destructively testing a metallic workpiece

#61
20080258719
2008-10-23

APPARATUS AND METHODS FOR FERROMAGNETIC WALL INSPECTION OF TUBULARS

#62
20080174307
2008-07-24

Apparatus and method for second-layer through-bushing inspection of aircraft wing attachment fittings using electric current perturbation

#63
20080092672
2008-04-24

In-line pipe inspection tool

#64
20080042645
2008-02-21

Method and device for testing pipes in a non-destructive manner

#65
20070247145
2007-10-25

DEVICE FOR DETECTING DEFECTS ON METALS

#66
20070159166
2007-07-12

Rotating head for nondestructive tests

#67
18186843
2025-03-11

Height adjustable inspection shoes, apparatus and methods for inspecting tubulars

#68
17180072
2023-02-14

Radial springs on sensor arms of pipeline inspection tool

#69
15631959
2018-06-05

Method and device for detecting the location and magnitude of a leak in a pipe measuring aberrant electromagnetic radiation from within a pipe