ClassID:

168414

G01N27/025 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance where the material is placed in the field of a coil a current being generated within the material by induction

Recent Application in this class:
#1
20250377324
2025-12-11

HUMIDITY SENSOR

#2
20250215796
2025-07-03

System And Method For Down Hole High Concentration Gas Sensing

#3
20250208079
2025-06-26

METHOD FOR MANUFACTURING AN INDUCTIVE CONDUCTIVITY SENSOR AND INDUCTIVE CONDUCTIVITY SENSOR

#4
20250146998
2025-05-08

MEASUREMENT METHOD FOR CHARACTERIZING FERRITE GRAIN SIZE AND PHASE FRACTION OF DUPLEX STAINLESS STEEL

#5
20250130152
2025-04-24

PEENING MEDIA CLASSIFICATION SENSOR

#6
20240418677
2024-12-19

EDDY CURRENT INDUCTION SENSING METHOD AND DEVICE

#7
20240393274
2024-11-28

ADDITIVE MANUFACTURED PERMANENT MAGNETS IN MAGNETO STRICTIVE OSCILLATING ICE DETECTOR SENSORS

#8
20240264120
2024-08-08

RECEIVER FOR A PULSED EDDY CURRENT SYSTEM

#9
20240255486
2024-08-01

Soil testing device

#10
20240159730
2024-05-16

Signal processing system and method for inductive oil abrasive particle sensor

#11
20240060920
2024-02-22

Gain and mismatch calibration for a phase detector used in an inductive sensor

#12
20240053321
2024-02-15

Soil testing device

#13
20240053320
2024-02-15

Soil testing device

#14
20240019389
2024-01-18

System and a method for determining a change of saturation of adsorbent

#15
20230384250
2023-11-30

METHOD FOR DETERMINING THE LINEAR AC ELECTRICAL RESISTANCE OF A STEEL PIPE AND DEVICE FOR IMPLEMENTING SUCH A METHOD

#16
20230213324
2023-07-06

Core configuration for in-situ electromagnetic induction monitoring system

#17
20230204410
2023-06-29

Device and method for determining a material composition of a pipe

#18
20230116991
2023-04-20

System and method for in-situ inspection of additive manufacturing materials and builds

#19
20230102531
2023-03-30

Advanced systems and methods for measuring mutual inductance of area of influence

#20
20230075934
2023-03-09

Position independent and long read range resonant sensor

#21
20230032653
2023-02-02

Flexural-rigidity measuring apparatus and method for measuring flexural rigidity

#22
20220308000
2022-09-29

Gain and mismatch calibration for a phase detector used in an inductive sensor

#23
20220128500
2022-04-28

INDUCTIVE MEASURING APPARATUS AND CALIBRATION DEVICE AND METHOD

#24
20210348342
2021-11-11

SYSTEM AND METHOD FOR INSPECTING A RAIL USING MACHINE LEARNING

#25
20210260628
2021-08-26

Extracting mined ore, minerals or other materials using sensor-based sorting

#26
20210208124
2021-07-08

Soil moisture monitoring systems and methods for measuring mutual inductance of area of influence using radio frequency stimulus

#27
20210146443
2021-05-20

System and method for in-situ inspection of additive manufacturing materials and builds

#28
20210102909
2021-04-08

System, device and methods for measuring substances′ dielectric properties using microwave sensors

#29
20210080418
2021-03-18

Oil recovery sensor

#30
20210041385
2021-02-11

Apparatus and method for state detection

#31
20210041384
2021-02-11

Determining material composition of cookware in induction heating systems

#32
20200240970
2020-07-30

Systems and methods for determining concentrations of materials in solutions

#33
20200240946
2020-07-30

HIGHLY SELECTIVE CHEMICAL AND BIOLOGICAL SENSORS

#34
20200132648
2020-04-30

Methods and devices for detecting mercury isotopes in natural gas

#35
20200124551
2020-04-23

System device and methods for measuring substances' dielectric properties using microwave sensors

#36
20200081046
2020-03-12

Assembly with one secondary coil for a field device with one inductive interface

#37
20200012008
2020-01-09

PARITY-TIME (PT)-SYMMETRIC WIRELESS TELEMETRIC SENSORS AND SYSTEMS

#38
20190358770
2019-11-28

Core configuration for in-situ electromagnetic induction monitoring system

#39
20190329989
2019-10-31

Conveyor belt and belt conveyor device

#40
20190228903
2019-07-25

Packaging technique for inductive conductivity sensors

#41
20190219531
2019-07-18

Pulsed wave guide liquid quality measurement

#42
20190212285
2019-07-11

Non-invasive sample-interrogation device

#43
20190162686
2019-05-30

HARDNESS MEASUREMENT APPARATUS AND HARDNESS MEASUREMENT METHOD

#44
20190161919
2019-05-30

System and method for inspecting a rail using machine learning

#45
20190137424
2019-05-09

Extracting mined ore, minerals or other materials using sensor-based sorting

#46
20190132658
2019-05-02

Wireless mechanism for detecting an open or closed container, and methods of making and using the same

#47
20190101499
2019-04-04

Inductive conductivity sensor and method

#48
20190079035
2019-03-14

Method for manufacturing an inductive conductivity sensor and inductive conductivity sensor

#49
20180340899
2018-11-29

Vibration induced noise suppression device

#50
20180340879
2018-11-29

Systems and method for down-hole phase monitoring

#51
20180299422
2018-10-18

Ground sensor

#52
20180299394
2018-10-18

System, device and methods for measuring substances' dielectric properties using microwave sensors

#53
20180299393
2018-10-18

Surface characteristics evaluation method for steel material

#54
20180292337
2018-10-11

System and method for authenticating components

#55
20180275081
2018-09-27

Probe for detecting structural integrity of part

#56
20180259470
2018-09-13

Method for operating an inductive conductivity meter and respective conductivity meter

#57
20180238832
2018-08-23

Material inspection using eddy currents

#58
20180202988
2018-07-19

Soil moisture monitoring systems and methods for measuring mutual inductance of area of influence using radio frequency stimulus

#59
20180188211
2018-07-05

Non-invasive sample-interrogation device

#60
20180164250
2018-06-14

EDDY CURRENT PROBE AND A METHOD OF USING THE SAME

#61
20180164237
2018-06-14

Extracting mined ore, minerals or other materials using sensor-based sorting

#62
20180143150
2018-05-24

APPARATUS AND METHODS THAT USE MAGNETIC INDUCTION SPECTROSCOPY TO MONITOR TISSUE FLUID CONTENT

#63
20180125432
2018-05-10

ELECTROMAGNETIC SYSTEM AND METHOD

#64
20180111251
2018-04-26

Core configuration for in-situ electromagnetic induction monitoring system

#65
20180111192
2018-04-26

System and method for in-situ inspection of additive manufacturing materials and builds

#66
20180106743
2018-04-19

Conductivity sensor and method for determining the electrical conductivity of a liquid medium

#67
20180100819
2018-04-12

System, device and method for testing an object

#68
20180088065
2018-03-29

Conductivity meter for measuring an electric conductivity of a liquid medium

#69
20180073998
2018-03-15

Diesel fuel quality inspection apparatus and inspection method thereof

#70
20180052133
2018-02-22

Conductivity sensor with void correction

#71
20180045671
2018-02-15

Highly selective chemical and biological sensors

#72
20180016676
2018-01-18

Film thickness measuring device, polishing apparatus, film thickness measuring method and polishing method

#73
20170363673
2017-12-21

Wireless mechanism for detecting an open or closed container, and methods of making and using the same

#74
20170276625
2017-09-28

ELECTRO-MAGNETIC INDUCTION FLUID CONDUCTIVITY SENSOR

#75
20170261588
2017-09-14

Method for operating an inductive conductivity sensor and respective inductive conductivity sensor

#76
20170176365
2017-06-22

System device and method for testing an object

#77
20170165151
2017-06-15

Device for detecting the removal of drugs

#78
20170153195
2017-06-01

Method and device for detecting charged particles

#79
20170148567
2017-05-25

Methods and apparatus for collocating electromagnetic coils and electronic circuits

#80
20170066104
2017-03-09

Method for Detecting And/Or Preventing Grind Burn

#81
20170030848
2017-02-02

Magnetostrictive multi-frequency guided wave ice sensing probe

#82
20170030843
2017-02-02

Detection of volatile chemicals using an RFID sensing system

#83
20160374587
2016-12-29

Single Coil Magnetic Induction Tomographic Imaging

#84
20160356736
2016-12-08

Inductive conductivity sensor and method

#85
20160356735
2016-12-08

Nondestructive tester

#86
20160302613
2016-10-20

CAPSULE RECOGNITION SYSTEM

#87
20160299091
2016-10-13

Extracting mined ore, minerals or other materials using sensor-based sorting

#88
20160279674
2016-09-29

PROCESSING MINED MATERIAL

#89
20160274045
2016-09-22

Measuring system for determining specific electrical conductivity

#90
20160266059
2016-09-15

TESTING DEVICE AND METHOD FOR THE NONDESTRUCTIVE TESTING OF A COMPONENT

#91
20160238502
2016-08-18

METHOD AND SYSTEM FOR DETERMINING HARDNESS INFORMATION OF COMPONENTS

#92
20160231277
2016-08-11

Method for the contactless determination of a mechanical-technological characteristic variable of ferromagnetic metals, and also apparatus for said method

#93
20160187275
2016-06-30

Sensing system using a marginal oscillator

#94
20160146748
2016-05-26

RADIO FREQUENCY BIO-SENSOR

#95
20160077027
2016-03-17

Utilization of aircraft bondline embedded current sensors in the determination of a lightning damage index

#96
20160061760
2016-03-03

Method for manufacturing an inductive conductivity sensor and an inductive conductivity sensor

#97
20160061759
2016-03-03

Method for manufacturing an inductive conductivity sensor and inductive conductivity sensor

#98
20160047768
2016-02-18

Magnetic coupling for electrical conductivity assessment

#99
20160025647
2016-01-28

Method for detecting and/or preventing grind burn

#100
20160003780
2016-01-07

Method for detecting temporally varying thermomechanical stresses and/or stress gradients over the wall thickness of metal bodies

#101
20160003769
2016-01-07

Detection of volatile chemicals using an RFID sensing system

#102
20150362447
2015-12-17

Pulsed wave guide liquid quality measurement

#103
20150355121
2015-12-10

Impedance-based measurement device with a two-dimensional array of coils

#104
20150297018
2015-10-22

Method and device for brewing a beverage

#105
20150285753
2015-10-08

Measurement method for detecting damage to a turbine blade and turbine

#106
20150260669
2015-09-17

Non-contact fluid resistivity measurement

#107
20150241372
2015-08-27

Single coil magnetic induction tomographic imaging

#108
20150233853
2015-08-20

Method and circuit for evaluating a physical quantity detected by a sensor

#109
20150168468
2015-06-18

Low gds measurement methodology for MOS

#110
20150164263
2015-06-18

Capsule, method and device for brewing a beverage

#111
20150145530
2015-05-28

Coil unit and apparatus for detecting foreign matter

#112
20150145529
2015-05-28

Coil unit and apparatus for detecting foreign matter

#113
20150143999
2015-05-28

Package recognition system

#114
20150038058
2015-02-05

Method for Detecting And/Or Preventing Grind Burn

#115
20150015275
2015-01-15

Passive wireless antenna sensor for strain, temperature, crack and fatigue measurement

#116
20140327433
2014-11-06

Bondline embedded current sensor

#117
20140240026
2014-08-28

Method and apparatus for controlling a gate voltage in high electron mobility transistor

#118
20140228671
2014-08-14

Electromagnetic system and method

#119
20140225632
2014-08-14

Jack detector and jack detecting method

#120
20140218017
2014-08-07

Transient electromagnetic geophysics system with cooperative source(s)

#121
20140167790
2014-06-19

Inductive conductivity sensor with a multi-ply housing

#122
20140118013
2014-05-01

Method and device for measuring current

#123
20140019067
2014-01-16

Temperature-independent chemical and biological sensors

#124
20140011286
2014-01-09

Sensors for gas dosimetry

#125
20130307566
2013-11-21

Method and system for tomographic imaging

#126
20130113487
2013-05-09

Instrumented core barrels and methods of monitoring a core while the core is being cut

#127
20130026263
2013-01-31

Extracting mined ore, minerals or other materials using sensor-based sorting

#128
20120326711
2012-12-27

Toroidal conductivity probe with integrated circuitry

#129
20120304740
2012-12-06

Apparatus for metallic particulate quantification

#130
20120182027
2012-07-19

Measuring arrangement for determining electrical conductivity of a measured liquid

#131
20120166095
2012-06-28

HIGHLY SELECTIVE CHEMICAL AND BIOLOGICAL SENSORS

#132
20120161787
2012-06-28

Temperature-independent chemical and biological sensors

#133
20110285402
2011-11-24

METHOD AND SYSTEM FOR NON-DESTRUCTIVE DETECTION OF COATING ERRORS

#134
20110140718
2011-06-16

Inductive conductivity sensor

#135
20110140716
2011-06-16

Input circuit for inductive measurements of the conductivity of a fluid medium

#136
20080252305
2008-10-16

Device for analysing the composition of the contents of a receptacle including an analysis receptacle

#137
20080252302
2008-10-16

Device for analyzing the composition of the contents of a container comprising means for obtaining at least one additional physical datum relating to the container

#138
20080218302
2008-09-11

Inductive conductivity sensor

#139
20070131032
2007-06-14

Wireless sensor antenna configuration

#140
20060255276
2006-11-16

Device for analyzing the composition of the contents of a container

#141
20060250140
2006-11-09

Device for analyzing the composition of the contents of a container

#142
15404877
2018-03-06

System and method for the analysis of DNA sequences

#143
15130484
2017-01-17

System and method for the analysis of DNA sequences