ClassID:

168488

G01N27/4065 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis; Cells and electrode assemblies; Cells and probes with solid electrolytes Circuit arrangements specially adapted therefor

Recent Application in this class:
#1
20260029367
2026-01-29

GAS SENSOR

#2
20260016441
2026-01-15

Hydrogen Sensor for Aluminum-Water Reactions

#3
20250306004
2025-10-02

MULTIPLEXING ANALOG COMPONENTS IN BIOCHEMICAL SENSOR ARRAYS

#4
20250297984
2025-09-25

CIRCUIT OF ELECTROCHEMICAL SENSOR, AND METHOD AND DEVICE

#5
20250164438
2025-05-22

SENSOR ELEMENT AND GAS SENSOR

#6
20250164437
2025-05-22

SENSOR ELEMENT AND GAS SENSOR

#7
20250164436
2025-05-22

SENSOR ELEMENT AND GAS SENSOR

#8
20250123236
2025-04-17

MULTI-ELECTRODE, HIGH-THROUGHPUT ELECTROCHEMICAL CELL

#9
20240302354
2024-09-12

System, Apparatus and Method for Sensing, Detecting and Effecting in a Micro-To-Nano Environment

#10
20240044835
2024-02-08

GAS SENSOR AND METHOD OF IDENTIFYING DEVIATION OF REFERENCE POTENTIAL OF THE SAME

#11
20240019395
2024-01-18

MEMS-BASED ALCOHOL SENSOR AND INTELLIGENT DEVICE

#12
20230408440
2023-12-21

GAS SENSOR

#13
20230349855
2023-11-02

CO2 MASS ESTIMATION SYSTEM, EXHAUST GAS COMPOSITION RATIO ESTIMATION METHOD, AND CO2 MASS ESTIMATION METHOD

#14
20230324328
2023-10-12

Gas sensor and sensor device

#15
20230324327
2023-10-12

GAS SENSOR AND CONCENTRATION CORRECTION METHOD FOR USE IN GAS SENSOR

#16
20230314362
2023-10-05

INSPECTION APPARATUS AND INSPECTION METHOD

#17
20230273148
2023-08-31

NOx SENSOR AND NOx SENSOR OPERATION METHOD

#18
20230121579
2023-04-20

EVALUATION AND CONTROL UNIT FOR A GAS SENSOR

#19
20220381726
2022-12-01

DETERMINING A PROPORTION OF HYDROGEN IN A MIXTURE OF HYDROGEN AND NATURAL GAS

#20
20220373501
2022-11-24

Handheld portable oxygen monitor

#21
20220326174
2022-10-13

ELECTROCHEMICAL OXYGEN SENSOR

#22
20220299464
2022-09-22

GAS SENSOR

#23
20220283114
2022-09-08

GAS SENSOR

#24
20220178869
2022-06-09

GAS SENSOR

#25
20220025807
2022-01-27

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

#26
20210372964
2021-12-02

Sensor control device

#27
20210285912
2021-09-16

CONFIGURABLE ELECTROCHEMICAL GAS SENSOR

#28
20210270768
2021-09-02

Gas sensor

#29
20210255137
2021-08-19

GAS SENSOR

#30
20210247352
2021-08-12

Gas concentration measurement system and gas concentration measurement method

#31
20210148886
2021-05-20

Multiplexing analog components in biochemical sensor arrays

#32
20210109057
2021-04-15

Oxygen sensor system and method

#33
20210088471
2021-03-25

Sensor element, gas sensor, and gas sensor unit

#34
20210055273
2021-02-25

Apparatus and method for measuring gas concentration

#35
20210025845
2021-01-28

Method of producing gas sensor element

#36
20200333280
2020-10-22

Sensor device and measurement apparatus

#37
20200319165
2020-10-08

System, apparatus and method for sensing, detecting and effecting in a micro-to-nano environment

#38
20200319137
2020-10-08

Electrochemical gas sensor with varying bias voltage and environmental compensation

#39
20200249124
2020-08-06

Gas sensor control device

#40
20200209181
2020-07-02

Electrochemical method and device for detecting the effect of anticancer drugs

#41
20200191742
2020-06-18

Electronic circuit for an electrochemical gas sensor

#42
20200141892
2020-05-07

FAILURE DETECTION APPARATUS FOR GAS SENSOR AND FAILURE DETECTION METHOD FOR GAS SENSOR

#43
20200124563
2020-04-23

GAS SENSOR AND SENSOR DEVICE

#44
20200123959
2020-04-23

Control apparatus

#45
20200103366
2020-04-02

Sensor for detection of acetone

#46
20200088672
2020-03-19

Electrochemical gas sensors

#47
20200049652
2020-02-13

Sensor device with biopolymer-metal composite film and related methods

#48
20190331630
2019-10-31

Rapid-read gated amperometry devices

#49
20190227025
2019-07-25

Stabilization of sensor signal in electrochemical gas sensors

#50
20190195823
2019-06-27

Oxidizing gas detection method and apparatus thereof

#51
20190186326
2019-06-20

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

#52
20190186325
2019-06-20

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

#53
20190154626
2019-05-23

Gas sensor with a pump cell

#54
20190128834
2019-05-02

SOX INDEX ACQUISITION APPARATUS FOR INTERNAL COMBUSTION ENGINE

#55
20190107505
2019-04-11

SENSOR CONTROL DEVICE AND SENSOR UNIT

#56
20190107071
2019-04-11

Sensor control apparatus

#57
20190094177
2019-03-28

Sensor control apparatus

#58
20190011395
2019-01-10

Concentration computation apparatus

#59
20180340909
2018-11-29

Gas sensor control device

#60
20180335400
2018-11-22

Sensor control device and gas detection system

#61
20180306745
2018-10-25

Sensor control apparatus

#62
20180306136
2018-10-25

Anomaly determination apparatus and control system

#63
20180299404
2018-10-18

SENSOR APPARATUS AND SENSOR UNIT

#64
20180252668
2018-09-06

ELECTROCHEMICAL CARBON DIOXIDE COMPRESSORS USING ANION EXCHANGE MEMBRANE

#65
20180172622
2018-06-21

Gas sensor

#66
20180168223
2018-06-21

Aerosol-generating device, system and method with a heated gas sensor

#67
20180149618
2018-05-31

Gas detector

#68
20180149617
2018-05-31

GAS DETECTOR AND CONTROL METHOD FOR GAS DETECTOR

#69
20180094564
2018-04-05

GAS SENSOR, CATALYST DIAGNOSIS SYSTEM, AND CATALYST DIAGNOSTIC METHOD

#70
20180067074
2018-03-08

Compact microelectronic integrated gas sensor

#71
20180067073
2018-03-08

CONCENTRATION COMPUTATION APPARATUS

#72
20180059045
2018-03-01

Method and device for determining an internal resistance of a sensor element

#73
20180017519
2018-01-18

Refrigerant analyzer and a method of using the same

#74
20170336343
2017-11-23

INTEGRATED SENSING DEVICE FOR DETECTING GASSES

#75
20170315080
2017-11-02

Control device of nitrogen oxide sensor

#76
20170248539
2017-08-31

Sulfur oxide detection system

#77
20170234828
2017-08-17

Gas stream analysis using voltage-current time differential operation of electrochemical sensors

#78
20170234827
2017-08-17

Electrochemical sensing using comparison of voltage-current time differential values during waveform generation and detection

#79
20170234743
2017-08-17

Temperature analysis with voltage-current time differential operation of electrochemical sensors

#80
20170219513
2017-08-03

Gas concentration detection device

#81
20170184537
2017-06-29

Sensor for monitoring of ethanol

#82
20170184536
2017-06-29

Control device for gas sensor

#83
20170176289
2017-06-22

Wideband oxygen sensing

#84
20170146480
2017-05-25

Sulfur oxides detection system

#85
20170138890
2017-05-18

Gas sensor control method

#86
20170102352
2017-04-13

Sensor interrogation

#87
20170082572
2017-03-23

Aerospace transparency having moisture sensors

#88
20170067847
2017-03-09

Gas sensor and sensor device

#89
20170067798
2017-03-09

Controller of air-fuel ratio sensor

#90
20170052141
2017-02-23

Circuit and method for controlling a single-cell linear oxygen sensor

#91
20170003249
2017-01-05

Method and device for diagnosing the measuring ability of an exhaust gas sensor

#92
20160356753
2016-12-08

Sensor control apparatus and gas detection system

#93
20160349205
2016-12-01

Wireless near-field gas sensor system and methods of manufacturing the same

#94
20160341689
2016-11-24

Component part having a MECS component on a mounting carrier

#95
20160327512
2016-11-10

Method and device for monitoring the capability of an exhaust-gas analyzer probe to measure rich gas

#96
20160290961
2016-10-06

Abnormality diagnosis system of a gas sensor

#97
20160266062
2016-09-15

Sensor control apparatus and sensor control system

#98
20160230686
2016-08-11

Gas sensor control device

#99
20160209353
2016-07-21

Control device and control method for internal combustion engine

#100
20160209352
2016-07-21

Gas sensor control device

#101
20160202210
2016-07-14

Gas sensor control device

#102
20160201540
2016-07-14

Gas sensor control device

#103
20160187286
2016-06-30

Apparatus and associated methods for analyte detection

#104
20160169832
2016-06-16

Sensor control apparatus and gas detection system

#105
20160169137
2016-06-16

Sensor control apparatus and gas detection system

#106
20160146085
2016-05-26

SOconcentration detection device of internal combustion engine

#107
20160123922
2016-05-05

Gas sensor control apparatus

#108
20160123262
2016-05-05

Gas sensor control device

#109
20160097737
2016-04-07

Gas sensor system

#110
20160091459
2016-03-31

Method and apparatus for diagnosing disconnection of oxygen sensor

#111
20160091458
2016-03-31

Oxygen sensor with electrochemical protection mode

#112
20160047774
2016-02-18

Compact microelectronic integrated gas sensor

#113
20160018356
2016-01-21

Integrated SMO gas sensor module

#114
20160017829
2016-01-21

Control system of internal combustion engine

#115
20160017828
2016-01-21

Control system of internal combustion engine

#116
20150377823
2015-12-31

LIMITING-CURRENT TYPE GAS SENSOR, FABRICATION METHOD OF THE LIMITING-CURRENT TYPE GAS SENSOR AND SENSOR NETWORK SYSTEM

#117
20150377807
2015-12-31

Device for ascertaining a measure of a caloric value of a gas

#118
20150362457
2015-12-17

CONTROL UNIT FOR A GAS CONCENTRATION SENSOR

#119
20150362456
2015-12-17

Control unit for a gas concentration sensor

#120
20150346056
2015-12-03

Method and device for the operation of a binary lambda sensor arranged in an exhaust gas tract of an internal combustion engine

#121
20150337752
2015-11-26

Control device for internal combustion engine

#122
20150323493
2015-11-12

Air-fuel ratio sensor control device

#123
20150293052
2015-10-15

Method for operating a solid electrolyte sensor element containing a pump cell

#124
20150293044
2015-10-15

Impedance detector for oxygen concentration sensor element

#125
20150276672
2015-10-01

Method and device for diagnosing the air reference channel of a broadband lambda probe

#126
20150268299
2015-09-24

Gas-sensor control device

#127
20150219586
2015-08-06

Rapid-read gated amperometry devices

#128
20150177209
2015-06-25

Sensor control apparatus and gas detection system

#129
20150101937
2015-04-16

Electrochemical sensing using voltage-current time differential

#130
20150041320
2015-02-12

Gas sensor control apparatus

#131
20150014163
2015-01-15

stop for sealing a housing of an exhaust gas sensor, exhaust gas sensor, and exhaust gas sensor production

#132
20150013441
2015-01-15

NOx sensor control device

#133
20140367276
2014-12-18

Method and apparatus for operating a linear lambda probe

#134
20140290329
2014-10-02

In situ probe with improved diagnostics and compensation

#135
20140262827
2014-09-18

Microelectrochemical sensor and method for operating a microelectrochemical sensor

#136
20140238853
2014-08-28

Gas sensor control apparatus and gas sensor system

#137
20140238102
2014-08-28

Method for adjusting a gas sensor

#138
20140136082
2014-05-15

Oxygen sensing method and system

#139
20140130779
2014-05-15

Wideband oxygen sensing method and apparatus

#140
20140130588
2014-05-15

Oxygen sensing method and apparatus

#141
20140033794
2014-02-06

Method and device for diagnosing electrodes in sensor elements

#142
20140021064
2014-01-23

Systems and methods of fast power up for electrochemical sensors

#143
20130264223
2013-10-10

Method and apparatus for measurement of the oxygen content or the oxygen partial pressure in a measurement gas

#144
20130255232
2013-10-03

Oxygen sensor control apparatus

#145
20130220834
2013-08-29

Method and device for detecting at least one property of a gas

#146
20130186169
2013-07-25

Method for detecting the type of lambda probes

#147
20130180853
2013-07-18

Gas sensor processing apparatus

#148
20130167511
2013-07-04

Method for correcting the pump current of a sensor element

#149
20130133399
2013-05-30

Sensor control apparatus and sensor control system

#150
20130131997
2013-05-23

Sensor control device and sensor control system

#151
20130081448
2013-04-04

Circuit assembly for operating a gas probe

#152
20120318045
2012-12-20

OXYGEN CONCENTRATION SENSOR INPUT DEVICE

#153
20120293183
2012-11-22

Method and control unit for monitoring cable faults on a broadband lambda probe

#154
20120290222
2012-11-15

ELECTROCHEMICAL GAS DETECTION DEVICE

#155
20120288376
2012-11-15

Control method and device for oxygen pump cells of sensors in internal combustion engines or exhaust gas after treatment systems of such engines

#156
20120266657
2012-10-25

DEVICE AND METHOD FOR CONTROLLING AN EXHAUST GAS SENSOR

#157
20120211361
2012-08-23

Rapid-read gated amperometry devices

#158
20120199478
2012-08-09

NOx sensor control apparatus

#159
20120173163
2012-07-05

Data storing exhaust gas probe

#160
20120131909
2012-05-31

Control apparatus for gas sensor

#161
20120001641
2012-01-05

Gas sensor control apparatus and method

#162
20110279129
2011-11-17

Detection device for detecting impedance of sensor element in gas sensor and sensor unit equipped with detection device

#163
20110168557
2011-07-14

NITROGEN-OXIDE GAS SENSOR

#164
20110168556
2011-07-14

NITROGEN-OXIDE GAS SENSOR

#165
20110163314
2011-07-07

Nitrogen-oxide gas sensor with long signal stability

#166
20110147211
2011-06-23

Sensor control apparatus

#167
20110132342
2011-06-09

Fuel alcohol content detection via an exhaust gas sensor

#168
20110125414
2011-05-26

METHOD FOR OPERATING A GAS SENSOR

#169
20110093184
2011-04-21

Control circuit for an electrochemical gas sensor and method for adjusting an electrochemical gas sensor

#170
20110061443
2011-03-17

Gas sensor output base supporting a circuit board

#171
20110012630
2011-01-20

Device for checking the operability of a sensor element

#172
20100205938
2010-08-19

NOsensor ambient temperature compensation

#173
20100180665
2010-07-22

Sensor control unit and gas detection apparatus

#174
20100122568
2010-05-20

Gas sensor system and method for controlling gas sensor

#175
20100073017
2010-03-25

Method for operating a heatable exhaust gas probe

#176
20100031731
2010-02-11

Signal processor for gas sensor

#177
20090236223
2009-09-24

Gas sensor control system ensuring increased measurement accuracy

#178
20090229343
2009-09-17

SENSOR CONTROL APPARATUS AND SENSOR CONTROL SYSTEM

#179
20090223820
2009-09-10

NOsensor control apparatus and vehicle control apparatus

#180
20090205957
2009-08-20

Gas sensor control device

#181
20090084677
2009-04-02

Gas sensor control apparatus

#182
20090078587
2009-03-26

Method of Sensor Conditioning for Improving Signal Output Stability for Mixed Gas Measurements

#183
20090051373
2009-02-26

Gas sensor control apparatus

#184
20090038941
2009-02-12

Device for Determining the Concentration of a Component in a Gas Mixture

#185
20080257731
2008-10-23

Heater Amperometric Sensor and Method for Operating the Same

#186
20080245666
2008-10-09

Sensor element and method for determining the concentration of gas components in a gas mixture

#187
20080217174
2008-09-11

Gas Sensor

#188
20080206108
2008-08-28

Single cell sensor for measuring the partial pressure of oxygen

#189
20080196480
2008-08-21

Sensor control apparatus

#190
20080185289
2008-08-07

Sensor control device

#191
20080149499
2008-06-26

Method for measuring concentrations of gas moieties in a gas mixture

#192
20080109148
2008-05-08

Controller for gas concentration sensor

#193
20080109147
2008-05-08

Controller for gas concentration sensor

#194
20080060941
2008-03-13

Gas sensor control device and method

#195
20070222454
2007-09-27

Method and Device for the Operation of an Exhaust Gas Analyzing Sensor Cell

#196
20070215470
2007-09-20

Gas concentration measuring apparatus designed to enhance response of sensor

#197
20070131551
2007-06-14

Control system designed to minimize deterioration of exhaust gas sensor for use in diesel engine

#198
20060277971
2006-12-14

Method and apparatus for detecting exhaust gas sensor defect

#199
20060219555
2006-10-05

Gas sensor control unit

#200
20060219553
2006-10-05

Gas detection apparatus, gas-sensor control circuit used for gas detection apparatus, and inspection method for gas detection apparatus

#201
20060011476
2006-01-19

Gas concentration measuring apparatus designed to ensuring accuracy of determining resistance of gas sensor element

#202
20050284772
2005-12-29

Method of sensor conditioning for improving signal output stability for mixed gas measurements

#203
20050252771
2005-11-17

Method for operating a broadband lambda probe

#204
20050189221
2005-09-01

Circuit configuration for operating a linear exhaust-gas probe

#205
20050139491
2005-06-30

Oxygen concentration detecting apparatus and method

#206
20050072205
2005-04-07

Circuit arrangement for operating a linear exhaust gas probe

#207
20050043899
2005-02-24

Wide band lambda probe having improved starting behaviour

#208
20050029098
2005-02-10

Control device for exhaust gas sensor of internal-combustion engine

#209
20050000810
2005-01-06

Controller for gas concentration sensor

#210
14875772
2019-10-08

Low cost, fast and sensitive NOx and NH3 sensor