ClassID:

168413

G01N27/023 - 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

Sub-classes:
Recent Application in this class:
#1
20260049955
2026-02-19

TOROIDAL CONDUCTIVITY SENSOR

#2
20250251358
2025-08-07

OIL STATE DETECTION APPARATUS

#3
20250025062
2025-01-23

ELECTRIC FIELD GENERATION

#4
20250003915
2025-01-02

CAPACITIVE OIL SENSOR ASSEMBLY

#5
20250000603
2025-01-02

Metal Detection System For Use With Medical Waste Container

#6
20240410847
2024-12-12

METHOD FOR EVALUATING CATHODE SLURRY FOR ALL-SOLID-STATE BATTERY

#7
20240288603
2024-08-29

METAL DETECTION APPARATUS WITH A TEST DEVICE AND TEST DEVICE

#8
20240210353
2024-06-27

EDDY CURRENT SENSOR, POLISHING APPARATUS, AND FILM THICKNESS DETECTION METHOD

#9
20230290430
2023-09-14

DEVICE AND A METHOD FOR FLUID MEASURING DEVICE

#10
20230194520
2023-06-22

MULTIPLEX BIOSENSOR FOR RAPID POINT-OF-CARE DIAGNOSTICS

#11
20230175994
2023-06-08

OIL STATE DETECTION APPARATUS

#12
20230112155
2023-04-13

ANTENNAS WITH ION CLUSTER TYPE SENSORS

#13
20220395347
2022-12-15

Metal detection system for use with medical waste container

#14
20220221437
2022-07-14

System and method for electrical and magnetic monitoring of a material

#15
20220072503
2022-03-10

Deoxidant composition

#16
20220050152
2022-02-17

Magnetic material inspection device

#17
20220045504
2022-02-10

Methods, Apparatuses and Systems for Sensing Exposure of Electronic Devices to Moisture

#18
20210310783
2021-10-07

Methods and systems for measuring gaps between exterior structures and interior structures

#19
20210290332
2021-09-23

Metal detection system for use with medical waste container

#20
20210239640
2021-08-05

Temperature-corrected control data for verifying of structural integrity of materials

#21
20210223195
2021-07-22

Simulating use and aging of immersive coolants for electric motors

#22
20210180936
2021-06-17

Inductive analysis of metal objects

#23
20210080418
2021-03-18

Oil recovery sensor

#24
20210054739
2021-02-25

Low power water cut sensing

#25
20200371080
2020-11-26

SYSTEM AND METHOD FOR ELECTRICAL AND MAGNETIC MONITORING OF A MATERIAL

#26
20200209169
2020-07-02

Device and method for harmonic electromagnetic spectroscopy

#27
20200182814
2020-06-11

Surface property inspection method, surface property inspection apparatus, and surface property inspection system

#28
20200166479
2020-05-28

Probe for nondestructive testing device using crossed gradient induced current and method for manufacturing induction coil for nondestructive testing device

#29
20200153234
2020-05-14

Methods, Apparatuses and Systems for Sensing Exposure of Electronic Devices to Moisture

#30
20200124550
2020-04-23

INDUCTIVE CHARACTERIZATION OF A METAL OBJECT EMBEDDED IN CONCRETE AND RELATED DETECTION DEVICE

#31
20200072775
2020-03-05

Method and system for determining optimum parameters with respect to electromagnetic behavior of a surface

#32
20200067248
2020-02-27

MEASURING DEVICE AND METHOD FOR MEASURING A STATE OF WEAR

#33
20200049639
2020-02-13

Non-Invasive System for Determining Fluid Characteristics Within a Fluid Vessel and Methods Thereof

#34
20200049638
2020-02-13

Method for measuring change of cell in real time and device therefor

#35
20200033278
2020-01-30

Method for determining a switching status of an impedance sensor and impedance sensor

#36
20200003730
2020-01-02

Oil content sensor

#37
20200003729
2020-01-02

Method and device for detecting and evaluating defect

#38
20190374127
2019-12-12

Inversion of Signal Measurements to Generate Medical Images

#39
20190369053
2019-12-05

Oil recovery sensor

#40
20190369052
2019-12-05

Oil recovery sensor

#41
20190353617
2019-11-21

Barkhausen Noise Sensor Comprising a Transceiver Coil

#42
20190293580
2019-09-26

Process automation technology sensor

#43
20190187085
2019-06-20

Conductivity sensor

#44
20190137352
2019-05-09

Strain gauge detection and orientation system

#45
20190120818
2019-04-25

WIRELESS RFID-BASED ANEMIA SENSING SYSTEM

#46
20190086349
2019-03-21

Medical device position location systems, devices and methods

#47
20190025255
2019-01-24

Reactance measurement

#48
20190003542
2019-01-03

Method and device for determining wear of a carbon ceramic brake disc in a vehicle by impedance measurements

#49
20180368933
2018-12-27

Metal detection system for use with medical waste container

#50
20180299393
2018-10-18

Surface characteristics evaluation method for steel material

#51
20180259470
2018-09-13

Method for operating an inductive conductivity meter and respective conductivity meter

#52
20180231497
2018-08-16

Ferrous metals measuring magnetometer system and method

#53
20180164357
2018-06-14

Undulating-conductor wireless sensor and sensing system

#54
20180136185
2018-05-17

System and method for electrical and magnetic monitoring of a material

#55
20180136152
2018-05-17

Method for testing a metal detection apparatus and metal detection apparatus

#56
20180106743
2018-04-19

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

#57
20180011070
2018-01-11

Method for analyzing heavy metal removal efficiency using phase difference analysis and apparatus using the same

#58
20170205333
2017-07-20

Measurement systems and methods for corrosion testing of coatings and materials

#59
20170184562
2017-06-29

Devices and methods for identifying a biological or chemical residue in an liquid sample

#60
20170176364
2017-06-22

Metal detection apparatus

#61
20170108467
2017-04-20

Coil arrangement for sample measurement with a spatially variable magnetic field

#62
20170045492
2017-02-16

SENSOR SYSTEMS FOR MEASURING AN INTERFACE LEVEL IN A MULTI-PHASE FLUID COMPOSITION

#63
20170038323
2017-02-09

Wireless sensor and method of interrogating thereof

#64
20170030846
2017-02-02

System and method for a nondestructive on-line testing of samples

#65
20170003237
2017-01-05

Inductive conductivity sensor for measuring the specific electrical conductivity of a medium

#66
20160363525
2016-12-15

Measurement systems and methods for corrosion testing of coatings and materials

#67
20160349230
2016-12-01

Moisture detection apparatus and process

#68
20160327500
2016-11-10

Electric-field imager for assays

#69
20160245766
2016-08-25

Medical device position location systems, devices and methods

#70
20160178788
2016-06-23

Measuring fluid conductivity

#71
20160103084
2016-04-14

Conveyor-belt system for measuring conditions that vary the resonant frequency of a resonant circuit

#72
20160084781
2016-03-24

Apparatus and method for identifying object

#73
20160020599
2016-01-21

Methods, apparatuses and systems for sensing exposure of electronic devices to moisture

#74
20150355109
2015-12-10

Edge treatment system and method for evaluating a material

#75
20150348701
2015-12-03

Conductivity and impedance sensor

#76
20150346126
2015-12-03

Sensor, measuring device, and measuring method

#77
20150346124
2015-12-03

Method and apparatus for determining the salinity of a sample

#78
20150330927
2015-11-19

Interfacial concentration and orientation of droplet contents for enhanced detection using electrical impedance spectroscopy

#79
20150273126
2015-10-01

Measuring conductivity of a medical fluid

#80
20150241373
2015-08-27

Coil for magnetic induction to tomography imaging

#81
20150241372
2015-08-27

Single coil magnetic induction tomographic imaging

#82
20150233887
2015-08-20

Sensor systems for measuring an interface level in a multi-phase fluid composition

#83
20150233852
2015-08-20

Electronic indicator for monitoring efficacy of a cleaning cycle

#84
20150226683
2015-08-13

System and method for determining properties of liquids

#85
20150115979
2015-04-30

Multiphase meter

#86
20150000385
2015-01-01

Pressure management system for sensors

#87
20140354299
2014-12-04

System and method for a nondestructive on-line testing of samples

#88
20140340099
2014-11-20

Metal detector for production and packaging lines

#89
20140262983
2014-09-18

Nuclear magnetic resonance module for a dialysis machine

#90
20140197850
2014-07-17

Piezoelectric Sensor for the Detection and Characterization of at Least One Biochemical Element

#91
20140144216
2014-05-29

Integrated ultrasonic-inductive pulse sensor for wear debris detection

#92
20140125356
2014-05-08

Route examining system and method

#93
20140103917
2014-04-17

Sheet conductance/resistance measurement system

#94
20140090454
2014-04-03

Sensor systems for measuring an interface level in a multi-phase fluid composition

#95
20140028327
2014-01-30

Method for sensor reader calibration

#96
20130314081
2013-11-28

Coil arrangement for a magnetic induction impedance measurement apparatus comprising a partly compensated magnetic excitation field in the detection coil

#97
20130249539
2013-09-26

Detection of a Metal or Magnetic Object

#98
20130241574
2013-09-19

Seafood physical characteristic estimation system and method

#99
20130173180
2013-07-04

Determination of attributes of liquid substances

#100
20130144548
2013-06-06

Tomography of multiphase mixtures

#101
20130043888
2013-02-21

Wireless method and apparatus for detecting damage in ceramic body armor

#102
20120326711
2012-12-27

Toroidal conductivity probe with integrated circuitry

#103
20120182027
2012-07-19

Measuring arrangement for determining electrical conductivity of a measured liquid

#104
20120107461
2012-05-03

Seafood physical characteristic estimation system and method

#105
20110163756
2011-07-07

Method and device for detecting failures in inductive conductivity measurements of a fluid medium

#106
20110140717
2011-06-16

Method and device for inductive conductivity measurements of a fluid medium

#107
20110068807
2011-03-24

Impedance sensing systems and methods for use in measuring constituents in solid and fluid objects

#108
20110001490
2011-01-06

Conductivity sensor with switching between transmitting and receiving coil

#109
20100295558
2010-11-25

Inductive conductivity-measuring cell and method for operating such

#110
20100289510
2010-11-18

Method and system for detection of solid materials in a plasma using an electromagnetic circuit

#111
20100277187
2010-11-04

Sensor mechanism and method for the production thereof

#112
20100207643
2010-08-19

Inductive conductivity measurement cell

#113
20100156427
2010-06-24

Non-Metallic Flow-Through Electrodeless Conductivity Sensor and Leak Detector

#114
20100063738
2010-03-11

Fluid conductivity measurement tool and methods

#115
20090278528
2009-11-12

SENSOR FOR DETERMINING THE ELECTRICAL CONDUCTIVITY OF LIQUID MEDIA, AND METHOD FOR THE PRODUCTION THEREOF

#116
20090267617
2009-10-29

APPARATUS AND METHOD FOR MEASURING SALINITY OF A FLUID BY INDUCTANCE

#117
20090146061
2009-06-11

Device for analysing composition of contents of a container

#118
20090132174
2009-05-21

Seafood physical characteristic estimation system and method

#119
20090039878
2009-02-12

Transparent conductive film roll and production method thereof, touch panel using the same, and non-contact surface resistance measuring device

#120
20090001997
2009-01-01

SYSTEMS AND METHODS FOR DETERMINING A TOTAL ACID NUMBER ASSOCIATED WITH BIODIESEL IN A MIXTURE OF BIODIESEL AND PETRODIESEL

#121
20080258735
2008-10-23

Non-metallic flow-through electrodeless conductivity sensor and leak detector

#122
20070247173
2007-10-25

Resonance-induced sensitivity enhancement method for conductivity sensors

#123
20070227255
2007-10-04

Self-monitoring metals, alloys and materials

#124
20070194792
2007-08-23

Non-metallic flow-through electrodeless conductivity sensor with leak and temperature detection

#125
20070108972
2007-05-17

Sheet conductance/resistance measurement system

#126
20070008060
2007-01-11

Total fluid conductivity sensor system and method

#127
20060243050
2006-11-02

Non-metallic flow-through electrodeless conductivity sensor and leak detector

#128
20060152213
2006-07-13

Apparatus for detecting the presence of electrically-conductive debris

#129
20060097718
2006-05-11

Local feature characterization using quasistatic electromagnetic sensors

#130
20050186680
2005-08-25

Method and system for detection of solid materials in a plasma using an electromagnetic circuit

#131
20050179439
2005-08-18

Nonmetallic process connection

#132
20050156604
2005-07-21

Method of non-contact measuring electrical conductivity of electrolytes with using primary measuring transformer

#133
20050127919
2005-06-16

Flow-through conductivity sensor

#134
20050127908
2005-06-16

Absolute property measurements using electromagnetic sensors

#135
20050116724
2005-06-02

Method of non-contact measuring electrical conductivity of polymer electrolyte thin films with using combined sensor

#136
20050083032
2005-04-21

Self-monitoring metals, alloys and materials

#137
20050017727
2005-01-27

Radio frequency identification sensor for fluid level

#138
16299648
2025-05-06

Far field interference cancellation for resistive-inductive-capacitive sensors

#139
15657653
2018-07-03

Impedance probe for detecting breaks in prestressed concrete pipe