Patents-Review.com
ClassID:

168525 ⎘

G01N27/419 - 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; Systems using cells, i.e. more than one cell and probes with solid electrolytes Measuring voltages or currents with a combination of oxygen pumping cells and oxygen concentration cells

Recent Application in this class:
#1
20260110661
2026-04-23

GAS SENSOR

 #2
20260016443
2026-01-15

GAS SENSOR

 #3
20250334544
2025-10-30

SENSOR ELEMENT, GAS SENSOR, EVALUATION METHOD FOR SENSOR ELEMENT, AND PROGRAM

 #4
20250334542
2025-10-30

SENSOR ELEMENT AND GAS SENSOR

 #5
20250264438
2025-08-21

GAS SENSOR

 #6
20250076247
2025-03-06

CREVICE CORROSION CELL

 #7
20250012227
2025-01-09

An Exhaust-Gas Sensor for an Internal Combustion Engine

 #8
20240329022
2024-10-03

SENSOR ELEMENT AND GAS SENSOR

 #9
20240230583
2024-07-11

GAS SENSOR

 #10
20240230582
2024-07-11

GAS SENSOR

 #11
20240192160
2024-06-13

GAS SENSOR

 #12
20240133840
2024-04-25

GAS SENSOR

 #13
20240133839
2024-04-25

GAS SENSOR

 #14
20240053296
2024-02-15

Method for Operating a Wide-Band Lambda Probe

 #15
20240044835
2024-02-08

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

 #16
20240044834
2024-02-08

OXYGEN CONTENT DETECTING SYSTEM AND CONTROL METHOD THEREOF

 #17
20240011942
2024-01-11

SENSOR ELEMENT AND GAS SENSOR

 #18
20240003842
2024-01-04

GAS CONCENTRATION DETECTING APPARATUS

 #19
20230408439
2023-12-21

NANOPORE SENSING SYSTEMS

 #20
20230393109
2023-12-07

GAS SENSOR

 #21
20230349855
2023-11-02

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

 #22
20230304965
2023-09-28

GAS SENSOR

 #23
20230288366
2023-09-14

GAS SENSOR

 #24
20230236146
2023-07-27

GAS SENSOR

 #25
20230204534
2023-06-29

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #26
20230204532
2023-06-29

REAL-TIME MEASURING DEVICE OF OXYGEN CONCENTRATION IN DROPLET ENVIRONMENT

 #27
20230194467
2023-06-22

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #28
20230176005
2023-06-08

SENSOR CONTROL UNIT

 #29
20230083340
2023-03-16

Gas sensor and gas sensor operation control method

 #30
20230057032
2023-02-23

GAS SENSOR

 #31
20220317084
2022-10-06

CERAMIC HEATER, METHOD OF DRIVING CERAMIC HEATER, AND GAS SENSOR

 #32
20220308031
2022-09-29

Sensor element and gas sensor

 #33
20220299464
2022-09-22

GAS SENSOR

 #34
20220283115
2022-09-08

Sensor system, and sensor system failure detecting method

 #35
20220283114
2022-09-08

GAS SENSOR

 #36
20220187237
2022-06-16

Sensor element, gas sensor, and method for manufacturing sensor element

 #37
20220178869
2022-06-09

GAS SENSOR

 #38
20220128507
2022-04-28

METHOD FOR DETERMINING A CONCENTRATION OF A GAS COMPONENT AND CONTROL DEVICE CONFIGURED THEREFORE

 #39
20220107288
2022-04-07

GAS SENSOR

 #40
20220107287
2022-04-07

SENSOR ELEMENT AND GAS SENSOR

 #41
20220025807
2022-01-27

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #42
20210396702
2021-12-23

Gas sensor control device, gas sensor control system, and gas sensor system

 #43
20210372964
2021-12-02

Sensor control device

 #44
20210364465
2021-11-25

Gas sensor

 #45
20210356424
2021-11-18

Gas sensor

 #46
20210310982
2021-10-07

Gas sensor

 #47
20210302400
2021-09-30

Gas sensor and method for controlling operation of gas sensor

 #48
20210302358
2021-09-30

SENSOR ELEMENT AND GAS SENSOR

 #49
20210302355
2021-09-30

Sensor element and gas sensor

 #50
20210293743
2021-09-23

Gas sensor set and method of measuring concentrations of a plurality of target components within a gas to be measured

 #51
20210278386
2021-09-09

Method and apparatus for determining the nitrogen oxide concentration and a nitrogen oxide ratio in the exhaust gas flow of a motor vehicle

 #52
20210255138
2021-08-19

Method and device for determining the ammonia concentration and the nitrogen monoxide concentration in the exhaust gas flow of a motor vehicle

 #53
20210247352
2021-08-12

Gas concentration measurement system and gas concentration measurement method

 #54
20210239669
2021-08-05

Intelligent nitrogen-oxygen sensor and detection method thereof

 #55
20210208097
2021-07-08

Sensor element

 #56
20210208096
2021-07-08

Sensor element

 #57
20210208095
2021-07-08

Gas sensor

 #58
20210199620
2021-07-01

Nanobio sensing device

 #59
20210181135
2021-06-17

Operation of combustible gas sensor in a dynamic mode with a constant resistance setpoint

 #60
20210156817
2021-05-27

CERAMIC STRUCTURED BODY AND SENSOR ELEMENT OF GAS SENSOR

 #61
20210088472
2021-03-25

GAS CONCENTRATION MEASURING DEVICE AND MANUFACTURING METHOD FOR THE SAME

 #62
20210063369
2021-03-04

Gas sensor and gas sensor operation control method

 #63
20210033562
2021-02-04

METHOD FOR CALIBRATING AN ANALYTICAL MEASURING DEVICE AND MEASURING POINT FOR ANALYZING A PROCESS MEDIUM AND FOR CALIBRATING AN ANALYTICAL MEASURING DEVICE

 #64
20210018456
2021-01-21

Gas sensor and method for manufacturing same

 #65
20200319156
2020-10-08

NOx sensor element and NOx sensor

 #66
20200319139
2020-10-08

Method and device for operating a nitrogen oxide sensor

 #67
20200309729
2020-10-01

Gas sensor and sensor element

 #68
20200309728
2020-10-01

Sensor element and gas sensor

 #69
20200264127
2020-08-20

Gas sensor control device

 #70
20200200702
2020-06-25

GAS SENSOR

 #71
20200191744
2020-06-18

Gas sensor

 #72
20200141895
2020-05-07

Method of operation of a gas sensor

 #73
20200141894
2020-05-07

Method of operation of a gas sensor

 #74
20200103368
2020-04-02

Gas sensor

 #75
20200072785
2020-03-05

Sensor element

 #76
20200049679
2020-02-13

Sensor element and gas sensor

 #77
20200003725
2020-01-02

Gas sensor and sensor element

 #78
20190383768
2019-12-19

Gas sensor

 #79
20190310245
2019-10-10

System and method for identifying and quantifying species with nanopores, using complexes of nanoparticles with carrier particles

 #80
20190302077
2019-10-03

Ammonia sensor element and gas sensor

 #81
20190302049
2019-10-03

Gas sensor and method of controlling gas sensor

 #82
20190250122
2019-08-15

Gas sensor element and gas sensor including same

 #83
20190235006
2019-08-01

WIRING LINE ABNORMALITY DETECTING DEVICE

 #84
20190227027
2019-07-25

Gas sensor

 #85
20190195828
2019-06-27

Method for the dynamic monitoring of a NOx sensor

 #86
20190154629
2019-05-23

Manufacturing method for sensor element

 #87
20190145925
2019-05-16

Sensor element and gas sensor

 #88
20190128833
2019-05-02

Gas sensor, and method for measuring concentrations of plurality of target components in gas to be measured

 #89
20190107505
2019-04-11

SENSOR CONTROL DEVICE AND SENSOR UNIT

 #90
20190094177
2019-03-28

Sensor control apparatus

 #91
20190090797
2019-03-28

Switchable low voltage electrochemical sensing for interfering species rejection

 #92
20190025248
2019-01-24

Gas sensor

 #93
20190004008
2019-01-03

Gas sensor element and gas sensor

 #94
20180364193
2018-12-20

Gas sensor

 #95
20180340909
2018-11-29

Gas sensor control device

 #96
20180321183
2018-11-08

Sensor control apparatus and sensor control system

 #97
20180313290
2018-11-01

METHOD FOR ASCERTAINING A GAS CONCENTRATION IN A MEASURING GAS WITH THE AID OF A GAS SENSOR

 #98
20180306745
2018-10-25

Sensor control apparatus

 #99
20180306136
2018-10-25

Anomaly determination apparatus and control system

 #100
20180266982
2018-09-20

Method of manufacturing gas sensor and method of removing oil

 #101
20180224396
2018-08-09

Gas concentration measuring apparatus

 #102
20180217027
2018-08-02

CONCENTRATION CALCULATION APPARATUS AND GAS DETECTION APPARATUS

 #103
20180202965
2018-07-19

Pump electrode and reference electrode for gas sensor

 #104
20180172633
2018-06-21

Gas detection device

 #105
20180172626
2018-06-21

Gas sensor element and gas sensor unit

 #106
20180172623
2018-06-21

Gas sensor element and gas sensor unit

 #107
20180149617
2018-05-31

GAS DETECTOR AND CONTROL METHOD FOR GAS DETECTOR

 #108
20180128775
2018-05-10

Sensor controller, internal combustion engine control system, and internal combustion engine controller

 #109
20180113103
2018-04-26

Apparatus for measuring ammonia concentration, system for measuring ammonia concentration, system for treating exhaust gas, and method for measuring ammonia concentration

 #110
20180112583
2018-04-26

Apparatus for measuring combustible-gas concentration, system for measuring combustible-gas concentration, system for treating exhaust gas, method for measuring combustible-gas concentration, and method for deriving constant

 #111
20180112582
2018-04-26

Apparatus for measuring ammonia concentration, system for measuring ammonia concentration, system for treating exhaust gas, and method for measuring ammonia concentration

 #112
20180106755
2018-04-19

Gas sensor control device

 #113
20180100828
2018-04-12

Gas sensor

 #114
20180074009
2018-03-15

Gas sensor

 #115
20180038821
2018-02-08

Gas sensor element and method for producing gas sensor element

 #116
20180031519
2018-02-01

Gas sensor

 #117
20180031518
2018-02-01

Gas sensor

 #118
20180017537
2018-01-18

Method for operating a probe

 #119
20180017520
2018-01-18

Gas sensor

 #120
20170363570
2017-12-21

Gas sensor and method for manufacturing the same

 #121
20170299543
2017-10-19

Nitrogen oxide based gas sensor, oxygen pump, gas sensor apparatus, manufacturing method of gas sensor apparatus, and sensor network system

 #122
20170284959
2017-10-05

Method and device for detecting at least a portion of the measuring gas component containing bound oxygen in a gas mixture

 #123
20170248539
2017-08-31

Sulfur oxide detection system

 #124
20170219516
2017-08-03

Gas concentration detection apparatus

 #125
20170212009
2017-07-27

Semiconductor sensor for gas concentration

 #126
20170146480
2017-05-25

Sulfur oxides detection system

 #127
20170138894
2017-05-18

Gas sensor

 #128
20170102354
2017-04-13

Multiple gas detection device

 #129
20170016849
2017-01-19

Gas sensor element and gas sensor

 #130
20160356753
2016-12-08

Sensor control apparatus and gas detection system

 #131
20160341691
2016-11-24

Gas sensor element

 #132
20160327512
2016-11-10

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

 #133
20160320334
2016-11-03

Gas sensor for detecting concentration of specific gas component

 #134
20160290961
2016-10-06

Abnormality diagnosis system of a gas sensor

 #135
20160266062
2016-09-15

Sensor control apparatus and sensor control system

 #136
20160258897
2016-09-08

Sensor element and gas sensor

 #137
20160245198
2016-08-25

Methods and systems for humidity determination via an oxygen sensor

 #138
20160223488
2016-08-04

Gas sensor control device

 #139
20160216229
2016-07-28

GAS SENSOR

 #140
20160209358
2016-07-21

Gas concentration measuring apparatus

 #141
20160209354
2016-07-21

Gas sensor

 #142
20160169832
2016-06-16

Sensor control apparatus and gas detection system

 #143
20160161445
2016-06-09

Gas sensor element and gas sensor

 #144
20160153929
2016-06-02

Sensor element including a strip conductor and a reference gas channel

 #145
20160097738
2016-04-07

Gas sensor system

 #146
20160097737
2016-04-07

Gas sensor system

 #147
20160061771
2016-03-03

GAS CONCENTRATION DETECTING DEVICE

 #148
20160061769
2016-03-03

Gas concentration detecting device

 #149
20160061768
2016-03-03

Gas sensor

 #150
20150377827
2015-12-31

Method of controlling lambda sensor preheating and lambda sensor drive controller

 #151
20150377822
2015-12-31

Gas sensor controller, gas sensor system, and deterioration determination method for gas sensor element

 #152
20150355142
2015-12-10

Sensor element and gas sensor

 #153
20150323493
2015-11-12

Air-fuel ratio sensor control device

 #154
20150293053
2015-10-15

Gas sensor control device

 #155
20150293044
2015-10-15

Impedance detector for oxygen concentration sensor element

 #156
20150276672
2015-10-01

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

 #157
20150268192
2015-09-24

Method for setting temperature rise profile of sensor element of gas sensor

 #158
20150204814
2015-07-23

Fault simulator for checking the diagnosis implemented in a control device for a lambda sensor in an internal combustion engine

 #159
20150198558
2015-07-16

Broadband lambda probe and production method for a broadband lambda probe

 #160
20150068896
2015-03-12

Sensor control device

 #161
20150047411
2015-02-19

Method for monitoring a broadband lambda probe

 #162
20150013431
2015-01-15

Multigas sensor and multigas sensor device

 #163
20140353174
2014-12-04

SOgas sensor and method of measuring concentration of SOgas

 #164
20140332379
2014-11-13

Hydrocarbon gas sensor

 #165
20140332378
2014-11-13

Hydrocarbon gas sensor

 #166
20140238102
2014-08-28

Method for adjusting a gas sensor

 #167
20140076725
2014-03-20

Gas sensor

 #168
20140034495
2014-02-06

Sensor apparatus for detecting a gas concentration and a particle concentration of an exhaust gas

 #169
20140014535
2014-01-16

Sensor control device, sensor control method and computer readable recording medium

 #170
20130305812
2013-11-21

Sensor element and a method for detecting a parameter of a gas mixture in a gas chamber

 #171
20130264223
2013-10-10

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

 #172
20130220834
2013-08-29

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

 #173
20130220808
2013-08-29

Gas sensor

 #174
20130167511
2013-07-04

Method for correcting the pump current of a sensor element

 #175
20130092537
2013-04-18

GAS SENSOR ELEMENT AND GAS SENSOR

 #176
20130081448
2013-04-04

Circuit assembly for operating a gas probe

 #177
20130032480
2013-02-07

Gas sensor

 #178
20130019655
2013-01-24

Gas sensor

 #179
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

 #180
20120285838
2012-11-15

Solid electrolyte sensor having two pumping cells for measurement of nitrogen oxides

 #181
20120266657
2012-10-25

DEVICE AND METHOD FOR CONTROLLING AN EXHAUST GAS SENSOR

 #182
20120266647
2012-10-25

Device and method for diagnosing an exhaust gas sensor

 #183
20120211374
2012-08-23

NOx concentration detection apparatus and NOx concentration detection method

 #184
20120210174
2012-08-16

Sensor control device and sensor control method

 #185
20120199478
2012-08-09

NOx sensor control apparatus

 #186
20120160012
2012-06-28

Gas sensor

 #187
20120006692
2012-01-12

SOLID ELECTROLYTE GAS SENSOR FOR MEASURING VARIOUS GAS SPECIES

 #188
20110314898
2011-12-29

Sensor element and method for determining gas components in gas mixtures, and use thereof

 #189
20110290015
2011-12-01

Gas-concentration/humidity detection apparatus

 #190
20110271665
2011-11-10

Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engine

 #191
20110233060
2011-09-29

Gas sensor

 #192
20110226618
2011-09-22

GAS SENSOR

 #193
20110210015
2011-09-01

SOLID ELECTROLYTE SENSOR ELEMENT HAVING A COMBUSTION GAS-SENSITIVE ANODE

 #194
20110168574
2011-07-14

Apparatus and method for controlling a gas sensor

 #195
20110168573
2011-07-14

Apparatus and method for controlling a gas sensor

 #196
20110147214
2011-06-23

GAS SENSOR AND METHOD FOR MANUFACTURING SENSOR ELEMENT

 #197
20110132775
2011-06-09

Sensor control device and sensor control method

 #198
20110083490
2011-04-14

Gas sensor

 #199
20110048970
2011-03-03

Method and apparatus for controlling multi-gas sensor

 #200
20110036715
2011-02-17

Gas sensor

 #201
20100264900
2010-10-21

Multifunctional potentiometric gas sensor array with an integrated temperature control and temperature sensors

 #202
20100243444
2010-09-30

Gas sensor

 #203
20100140113
2010-06-10

Gas sensor control apparatus and method

 #204
20100126883
2010-05-27

SENSOR ELEMENT HAVING SUPPRESSED RICH GAS REACTION

 #205
20100122568
2010-05-20

Gas sensor system and method for controlling gas sensor

 #206
20100101303
2010-04-29

Gas concentration detection apparatus

 #207
20100077836
2010-04-01

Method for operating an exhaust gas sensor and device for carrying out the method

 #208
20100000864
2010-01-07

GAS SENSOR WITH PUMP CELL AND ADDITIONAL OUTER ELECTRODE

 #209
20090250344
2009-10-08

Gas sensor

 #210
20090242427
2009-10-01

Gas sensor, control device thereof and method of measuring NOx concentration

 #211
20090242426
2009-10-01

Gas Sensor

 #212
20090242401
2009-10-01

NOx sensor

 #213
20090242400
2009-10-01

Gas sensor, NOx sensor and method of manufacturing gas sensor

 #214
20090239053
2009-09-24

Method of cutting out chips for a plurality of sensor elements from laminated body, method of manufacturing sensor element, and sensor element

 #215
20090236223
2009-09-24

Gas sensor control system ensuring increased measurement accuracy

 #216
20090223820
2009-09-10

NOsensor control apparatus and vehicle control apparatus

 #217
20090205193
2009-08-20

GAS SENSOR ELEMENT TREATMENT METHOD

 #218
20090152130
2009-06-18

Gas sensor and method for detecting particles in a gas flow

 #219
20090152112
2009-06-18

Gas sensor

 #220
20090145778
2009-06-11

System, apparatus, and method for measuring an ion concentration of a measured fluid

 #221
20090107839
2009-04-30

Gas sensor

 #222
20090095627
2009-04-16

SENSOR FOR MEASURING THE CONCENTRATION OF A GAS COMPONENT IN A GAS MIXTURE

 #223
20090090339
2009-04-09

Dual mode oxygen sensor

 #224
20090078573
2009-03-26

SOLID-ELECTROLYTE GAS SENSOR ELEMENT, INCLUDING A PUMP CELL AND A REFERENCE GAS CHANNEL

 #225
20090057163
2009-03-05

Measuring method for monitoring residual oxygen in an exhaust gas

 #226
20090038941
2009-02-12

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

 #227
20080308975
2008-12-18

Electrode-supported solid state electrochemical cell

 #228
20080245666
2008-10-09

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

 #229
20080237064
2008-10-02

Method of correcting output of NOx sensor

 #230
20080230385
2008-09-25

NOx SENSING SYSTEM HAVING NOx SENSOR AND METHOD FOR DETERMINING A NOx CONCENTRATION UTILIZING THE NOx SENSOR

 #231
20080217174
2008-09-11

Gas Sensor

 #232
20080206108
2008-08-28

Single cell sensor for measuring the partial pressure of oxygen

 #233
20080105545
2008-05-08

Gas sensor element

 #234
20080067067
2008-03-20

Sensor element, gas sensor, and method of manufacturing the sensor element

 #235
20080011051
2008-01-17

Device and method for measuring a plurality of exhaust gas constituents

 #236
20070284248
2007-12-13

Gas concentration measuring apparatus designed to enhance measurement accuracy in desired range

 #237
20070272551
2007-11-29

Gas sensor interface device and gas sensor system

 #238
20070261475
2007-11-15

System, apparatus, and method for measuring an ion concentration of a measured fluid

 #239
20070222454
2007-09-27

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

 #240
20070151849
2007-07-05

Sensor control device

 #241
20070125648
2007-06-07

Sensor element for a sensor

 #242
20070125647
2007-06-07

Sensor and sensing method

 #243
20070119719
2007-05-31

Procedure to recognize the diffusion gas composition in a wideband lambda sensor

 #244
20070119437
2007-05-31

Air fuel ratio detection apparatus

 #245
20070108053
2007-05-17

Device for operating a gas sensor

 #246
20070108049
2007-05-17

Sensor element

 #247
20070034531
2007-02-15

Gas sensor and method for controlling the same

 #248
20070000780
2007-01-04

Plural-cell gas sensor with heater

 #249
20070000779
2007-01-04

Sensor element

 #250
20060289314
2006-12-28

Procedure for the determination of the Lambda values with a broadband Lambda probe

 #251
20060231422
2006-10-19

SWITCHED GAS SENSOR

 #252
20060163064
2006-07-27

Sensor element for determining the concentration of a gas component in a gas mixture

 #253
20060137979
2006-06-29

Sensor element for determining gas components in gas mixtures and method for manufacturing the same

 #254
20060027012
2006-02-09

System, apparatus, and method for measuring an oxygen concentration of a gas

 #255
20050252771
2005-11-17

Method for operating a broadband lambda probe

 #256
20050235631
2005-10-27

Sensor element for a sensor for determining the oxygen concentration in the exhaust gas of internal combustion engines

 #257
20050211554
2005-09-29

Gas sensor element

 #258
20050210657
2005-09-29

Method of treating gas sensor element

 #259
20050189221
2005-09-01

Circuit configuration for operating a linear exhaust-gas probe

 #260
20050173265
2005-08-11

Sensor device for exhaust gases of internal combustion engines and operating and analyzing method

 #261
20050173264
2005-08-11

Device and method for measuring gas concentration

 #262
20050155859
2005-07-21

Insulation material and gas sensor

 #263
20050145492
2005-07-07

Solid electrolyte sensor for determining the concentration of a gas component in a gas mixture

 #264
20050133381
2005-06-23

Dual mode oxygen sensor

 #265
20050126910
2005-06-16

Gas sensor

 #266
20050087443
2005-04-28

Sensor element

 #267
20050077177
2005-04-14

Concentration detector

 #268
20050067282
2005-03-31

Sensor element

 #269
20050061670
2005-03-24

NOx sensing cell, manufacturing method for the NOx sensing cell, and NOx sensing device including the NOx sensing cell

 #270
20050040041
2005-02-24

Concentration detector

 #271
20050034986
2005-02-17

Gas sensor

 #272
20050029127
2005-02-10

Nitrogen oxide sensor with attenuated oxygen dependence of the NOx signal

 #273
20050000832
2005-01-06

Measuring apparatus for monitoring residual oxygen in an exhaust gas