ClassID:

168429

G01N27/122 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid Circuits particularly adapted therefor, e.g. linearising circuits

Sub-classes:
Recent Application in this class:
#1
20260146966
2026-05-28

SENSOR

#2
20260000271
2026-01-01

SYSTEM TO ASSESS THE PRESENCE OF WATER AND/OR FOREIGN MATTER IN LUMINAL MEDICAL DEVICES

#3
20250383311
2025-12-18

SPEAKER SENSOR SYSTEM AND METHOD

#4
20250347646
2025-11-13

SENSOR FOR MEASURING A GAS PROPERTY

#5
20250314607
2025-10-09

METHODS AND SYSTEMS FOR DETERMINING A TARGET GAS CONCENTRATION IN A FLUID ENVIRONMENT

#6
20250271382
2025-08-28

IMPEDANCE MEASUREMENT APPARATUS AND IMPEDANCE MEASUREMENT METHOD

#7
20250264426
2025-08-21

SENSOR

#8
20250164429
2025-05-22

SYSTEMS AND METHODS FOR AN ATOMIC-THIN TWO-DIMENSIONAL MATERIAL BASED PORTABLE GAS SENSOR DEVICE

#9
20250093288
2025-03-20

ENHANCED OFFSET COMPENSATION TECHNIQUE FOR THERMAL CONDUCTIVITY SENSING OF A GAS CONCENTRATION SENSOR

#10
20240329030
2024-10-03

THIN POLYMER FILM DISSOLVED UNDER TENSION TO DETECT HYDROCARBON FUELS HIDDEN IN PARAFFIN-BASED LUBRICATION OILS

#11
20240328980
2024-10-03

Changes in resistivity of mesh-patterned polymer thin films coated with conductive traces used to detect hydrocarbon fuels hidden in paraffin-based lubrication oils

#12
20240280572
2024-08-22

AN ANALYTICAL DEVICE FOR QUANTITATIVE MEASUREMENT OF THE CONCENTRATION OF ANALYTES IN A LIQUID SAMPLE

#13
20240272106
2024-08-15

HYDROGEN DETECTION DEVICE AND CONTROL METHOD FOR HYDROGEN DETECTION DEVICE

#14
20240248057
2024-07-25

METHOD FOR PRODUCING A SENSOR, AND SENSOR

#15
20240241077
2024-07-18

Sensor Device and Methods

#16
20240230571
2024-07-11

VOLATILE COMPOUND SOURCE LOCATING SYSTEMS

#17
20240230570
2024-07-11

GAS SENSOR

#18
20240175837
2024-05-30

HYDROGEN SENSOR

#19
20240175836
2024-05-30

GAS DETECTOR

#20
20240159699
2024-05-16

Variable Detector Amplifier Settling Time

#21
20240151699
2024-05-09

GAS SENSOR

#22
20240133834
2024-04-25

GAS SENSOR

#23
20230386069
2023-11-30

ROCK CRACK INFORMATION IDENTIFICATION METHOD AND SYSTEM BASED ON VARIATIONAL AUTOENCODER

#24
20230294092
2023-09-21

Methods, devices, and systems for detecting analytes

#25
20230288360
2023-09-14

GAS SENSOR, ELECTRONIC APPARATUS, AND METHOD OF SENSING GAS

#26
20230251302
2023-08-10

DEVICES AND METHODS FOR SMART SENSOR APPLICATION

#27
20230166549
2023-06-01

METHOD FOR ELECTRIC FIELD ASSISTED, NON-CONTACT PRINTING AND PRINTED SENSORS

#28
20230112016
2023-04-13

GAS-CONCENTRATION DETECTOR SYSTEM

#29
20220343126
2022-10-27

System for detecting a stimulus including a radio frequency device responsive to an analyte and a portable reader

#30
20220340951
2022-10-27

MEASURING THE ANTIMICROBIAL SUSCEPTIBILITY OF MICROBES

#31
20220308029
2022-09-29

Integrated sensor

#32
20220252565
2022-08-11

ELECTRONIC DEVICE

#33
20220221415
2022-07-14

SENSOR ASSEMBLY AND CONTROL METHOD THEREOF

#34
20220214321
2022-07-07

Multi-sensor gas sampling detection system for radical gases and short-lived molecules and method of use

#35
20220200614
2022-06-23

Method for precisely detecting a signal for example of a sensor

#36
20220196585
2022-06-23

SENSOR FOR MEASURING A GAS PROPERTY

#37
20220187230
2022-06-16

Methods and Systems for Determining a Target Gas Concentration in a Fluid Environment

#38
20220170873
2022-06-02

Gas detection system for detecting a type and concentration of a gas in a sample gas

#39
20220082520
2022-03-17

Sensor element, sensor device, sensor system and detection method

#40
20220034834
2022-02-03

Circuit arrangement and sensor arrangements including the same

#41
20210405110
2021-12-30

Devices and methods for smart sensor application

#42
20210285907
2021-09-16

Gas sensing device and method for operating a gas sensing device

#43
20210272439
2021-09-02

Embedded active environmental contaminant monitor

#44
20210250025
2021-08-12

Magnetoelectronic based environmental sensor tag

#45
20210247381
2021-08-12

APPARATUS AND METHOD FOR ANALYZING EXHALED BREATH

#46
20210247368
2021-08-12

METHOD AND APPARATUS TO GENERATE BREATH VOC SIGNATURES THAT CAN BE CORRELATED TO PHYSIOLOGICAL METRICS INDICATIVE OF SPECIFIC MEDICAL CONDITIONS

#47
20210231594
2021-07-29

Uniformity property acquisition apparatus, method of acquiring uniformity property and non-transitory computer-readable recording medium

#48
20210208121
2021-07-08

Wireless self-powered gas sensor based on electromagnetic oscillations triggered by external forces and fabrication method thereof

#49
20210199562
2021-07-01

Sulfurization detection resistor

#50
20210190712
2021-06-24

Sensor arrangement and method for sensor measurement

#51
20210181177
2021-06-17

Magnetic sensor for capturing metal wear particles in suspension in a lubrication fluid

#52
20210165366
2021-06-03

Humidity detection device and image forming apparatus

#53
20210148844
2021-05-20

System and methods for chemical detection and amplification

#54
20210140906
2021-05-13

NANOCHANNEL-BASED SENSOR CALIBRATION

#55
20210116405
2021-04-22

MEMS type semiconductor gas detection element

#56
20210109053
2021-04-15

Humidity sensor and RFID tag including the same

#57
20210088489
2021-03-25

GAS SENSOR AND GAS DETECTION DEVICE

#58
20210055273
2021-02-25

Apparatus and method for measuring gas concentration

#59
20210055243
2021-02-25

Gas sensor and related methods for detecting the vapor phase of electrochemically-active substances

#60
20210003525
2021-01-07

Gas sensor

#61
20200408714
2020-12-31

Systems and methods for determining the condition of a gas sensor

#62
20200400599
2020-12-24

Hydrogen sensor and method for its production, measuring device, and method for measuring a hydrogen concentration

#63
20200394485
2020-12-17

Ionic liquid carbon nanotube composites for wireless chemical sensing

#64
20200393396
2020-12-17

Bubble detection module comprising a nanowire

#65
20200386701
2020-12-10

Sensing system and method

#66
20200386700
2020-12-10

Cigar moisture meter with direct relative humidity readout

#67
20200357261
2020-11-12

Embedded active environmental contaminant monitor

#68
20200309723
2020-10-01

Sensor module

#69
20200300798
2020-09-24

Server apparatus, odor sensor data analysis method, and computer-readable recording medium

#70
20200271605
2020-08-27

Gas sensing device and method for operating a gas sensing device

#71
20200268256
2020-08-27

INJECTABLE BIOCOMPATIBLE SENSOR SYSTEM FOR MEASURING AND COMMUNICATING PHYSIOLOGICAL DATA

#72
20200256840
2020-08-13

Systems and methods for an SoC based electronic system for detecting multiple low concentration gas levels

#73
20200240941
2020-07-30

Method for operating a gas sensor arrangement and gas sensor arrangement

#74
20200240940
2020-07-30

Method for detecting an air discharge decomposed product based on a virtual sensor array

#75
20200237258
2020-07-30

Sensing system for respirator

#76
20200191761
2020-06-18

Sensing system and method

#77
20200187357
2020-06-11

Air-quality detection apparatus

#78
20200096465
2020-03-26

Gas detection device, gas sensor system, fuel cell vehicle, and hydrogen detection method

#79
20200064323
2020-02-27

SENSOR CIRCUITRY FOR GAS SENSING APPLICATIONS

#80
20200064321
2020-02-27

Low power circuitry for biasing a multi-channel gas sensor array and to act as a transducer for a digital back-end

#81
20200064291
2020-02-27

PATTERN RECOGNITION ALGORITHM FOR IDENTIFYING AND QUANTIFYING SINGLE AND MIXED CONTAMINANTS IN AIR WITH AN ARRAY OF NANOMATERIAL-BASED GAS SENSORS

#82
20200064290
2020-02-27

DIGITAL BACK END, CONTROLLING AND OPTIMIZING AN ANALOG FRONT END TO MEASURE AN ARRAY OF NANOMATERIAL-BASED GAS SENSORS, SUPPLYING DATA TO PATTERN RECOGNITION ALGORITHMS

#83
20200049638
2020-02-13

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

#84
20200033398
2020-01-30

Devices and methods for smart sensor application

#85
20200033284
2020-01-30

Measurement circuitry for evaluating a resistance of a resistive gas sensor

#86
20200025700
2020-01-23

SINGLE-INPUT MULTIPLE OUTPUT NANOMATERIAL BASED GAS SENSOR

#87
20200018713
2020-01-16

Quantitative chemical sensors with radio frequency communication

#88
20190346401
2019-11-14

Sensor device and methods

#89
20190323979
2019-10-24

Nanofiber smoke detection calibration

#90
20190310237
2019-10-10

Using resistivity measurements to monitor the reaction kinetics between acids and carbonate rocks

#91
20190302074
2019-10-03

System and method for detecting enteric diseases, in particular in animals, based on odour emissions

#92
20190262827
2019-08-29

Methods, devices, and systems for detecting analytes

#93
20190250114
2019-08-15

Integrated Graphene-CMOS Device for Detecting Chemical and Biological Agents and Method for Fabricating Same

#94
20190189539
2019-06-20

Sensor device with carbon nanotube sensor positioned on first and second substrates

#95
20190170715
2019-06-06

Multi-sensor gas sampling detection system for radical gases and short-lived molecules and method of use

#96
20190154612
2019-05-23

Article coated with integrated microsensor chemical detection elements

#97
20190154611
2019-05-23

Chemical detection mixture with integrated circuit microsensor elements

#98
20190154610
2019-05-23

Integrated circuit based microsensor chemical detection system and elements

#99
20190154605
2019-05-23

Multi-parallel sensor array system

#100
20190154604
2019-05-23

Resistive gas sensor and gas sensing method therefor

#101
20190078998
2019-03-14

Electronic monitoring of gas adsorbent media bed

#102
20180321186
2018-11-08

Systems and methods for determining the condition of a gas sensor

#103
20180306745
2018-10-25

Sensor control apparatus

#104
20180266991
2018-09-20

MAGNETO-IMPEDANCE (MI) SENSORS EMPLOYING CURRENT CONFINEMENT AND EXCHANGE BIAS LAYER(S) FOR INCREASED SENSITIVITY

#105
20180266936
2018-09-20

Particulate matter detection sensor

#106
20180252659
2018-09-06

Printed gas sensor

#107
20180238857
2018-08-23

Electric-field imager for assays

#108
20180238822
2018-08-23

GAS SENSING APPARATUS AND A MANUFACTURING PROCESS THEREOF

#109
20180217117
2018-08-02

Nano sensor

#110
20180196101
2018-07-12

Devices and methods for smart sensor application

#111
20180184976
2018-07-05

Chromatography-aided substance sensing in absorbent hygiene and medical products

#112
20180149608
2018-05-31

Sensing device for measuring a level of an analyte, method of fabrication thereof

#113
20180073456
2018-03-15

Air-fuel ratio sensing device

#114
20180070869
2018-03-15

Bio-fluid collection and sensing device, system and method

#115
20170343507
2017-11-30

Gas sensor device including gas sensors and switches, gas sensor module, and gas detection method

#116
20170322166
2017-11-09

Black phosphorus gas sensor

#117
20170312555
2017-11-02

RADIO FREQUENCEY POWERED RESISTIVE CHEMICAL SENSOR

#118
20170205367
2017-07-20

Acetic acid gas sensor based on azobenzene compound, preparation method and application thereof

#119
20170131227
2017-05-11

Gas sensor including first electrode, second electrode, metal oxide layer, and insulating film, and fuel-cell vehicle including the gas sensor

#120
20170030843
2017-02-02

Detection of volatile chemicals using an RFID sensing system

#121
20160377564
2016-12-29

Electronical device for measuring at least one electrical characteristic of an object

#122
20160238561
2016-08-18

Wireless chemical sensing method

#123
20160077030
2016-03-17

Conductive liquid property measurement using variable phase mixing

#124
20160061761
2016-03-03

Sensitivity and selectivity of chemoresistor type gas sensors

#125
20160003769
2016-01-07

Detection of volatile chemicals using an RFID sensing system

#126
20150308972
2015-10-29

Gas sensor array, gas analysis method, and gas analysis system

#127
20150177171
2015-06-25

GAS SENSOR PACKAGE

#128
20150098863
2015-04-09

Media bed monitoring device and system

#129
20150033827
2015-02-05

Integrated metal oxide chemical sensor

#130
20140320152
2014-10-30

Dosimetry via platinum—ruthenium nanoparticle-decorated nanostructure

#131
20140283630
2014-09-25

Configurable sensor arrays

#132
20140264642
2014-09-18

Gas sensor comprising a set of one or more sensor cells

#133
20140225738
2014-08-14

Chemical alert system using a protable device with integrated chemical sensor

#134
20140208830
2014-07-31

CMOS gas sensor and method for manufacturing the same

#135
20140208829
2014-07-31

Portable electronic device with integrated chemical sensor and method of operating thereof

#136
20140199774
2014-07-17

Wireless chemical sensor and sensing method for use therewith

#137
20130125617
2013-05-23

Gas sensor with compensations for baseline variations

#138
20120216593
2012-08-30

ELECTRONIC CHEMICAL TRACE DETECTOR

#139
20120091429
2012-04-19

Resistive memory

#140
20110194975
2011-08-11

Semiconductor-based detection and decontamination system

#141
20110110141
2011-05-12

Resistive memory

#142
20100264941
2010-10-21

Method and Device for the Operation of an Mox Gas Sensor

#143
20100244855
2010-09-30

Microdevice for the in situ detection of particles of interest in a fluid medium and operating method

#144
20100233821
2010-09-16

Wireless chemical sensor and sensing method for use therewith

#145
20100219849
2010-09-02

Sensor for detecting organic liquids

#146
20100194960
2010-08-05

CHARGE INCREASER

#147
20100089122
2010-04-15

Gas sensor

#148
20100073995
2010-03-25

Nano-electronic array

#149
20100004554
2010-01-07

Multi-functional, discrete and mutually exclusive method for determining concentrations of gases in a gaseous mixture

#150
20090215180
2009-08-27

Electronic chemical trace detector

#151
20090164137
2009-06-25

MULTIFUNCTIONAL PORTABLE ELECTRONIC DEVICE

#152
20090116277
2009-05-07

Nano-electronic memory array

#153
20090084158
2009-04-02

Gas measuring device and method of operating the same

#154
20090038289
2009-02-12

GAS SENSOR, AIR-FUEL RATIO CONTROLLER, AND TRANSPORTATION APPARATUS

#155
20090007636
2009-01-08

Chemiresistor Sensor System Compensated for Temperature and Aging Effects

#156
20080239791
2008-10-02

Nano-electronic memory array

#157
20080216553
2008-09-11

Environmental hazard sensor

#158
20080198524
2008-08-21

ABSORPTION GAS ARRESTOR SYSTEM

#159
20080121946
2008-05-29

METHOD OF FORMING SENSOR FOR DETECTING GASES AND BIOCHEMICAL MATERIALS, INTEGRATED CIRCUIT HAVING THE SENSOR, AND METHOD OF MANUFACTURING THE INTEGRATED CIRCUIT

#160
20080028853
2008-02-07

Physical quantity, particularly humidity detection device, and related detecting method

#161
20070280852
2007-12-06

Semiconductor-based detection and decontamination system

#162
20070209937
2007-09-13

Monitorable hydrogen sensor system

#163
20070117207
2007-05-24

Temperature compensated vapor sensor

#164
20070056352
2007-03-15

Drift compensation for an impedimetric exhaust gas sensor by variable bias voltage

#165
20070040103
2007-02-22

Technique for reducing a parasitic DC bias voltage on a sensor

#166
20060161330
2006-07-20

Cruise management method and device for a road vehicle

#167
20060155490
2006-07-13

Gas measuring device and method with compensation of disturbances

#168
20060090541
2006-05-04

Integration of thermal regulation and electronic fluid sensing

#169
20060067656
2006-03-30

Micromechanically manufactured infrared transmitter

#170
20050280408
2005-12-22

Multi-element smart gas sensor

#171
20050231855
2005-10-20

NANO-electronic memory array

#172
20050127920
2005-06-16

Method and system for impedance measurement of a zeolite-based ammonia sensor

#173
18755562
2024-12-03

Drain-gate voltage excitation and source-drain current acquisition system and method for gas-sensitive organic field effect transistors

#174
14859943
2018-10-23

Electric-field imager for assays