Patents-Review.com
ClassID:

168499 ⎘

G01N27/409 - 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 for investigating or analysing gases Oxygen concentration cells

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

GAS SENSOR

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20260023044
2026-01-22

GAS SENSOR ELEMENT AND GAS SENSOR

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20250334542
2025-10-30

SENSOR ELEMENT AND GAS SENSOR

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20250164438
2025-05-22

SENSOR ELEMENT AND GAS SENSOR

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20250164437
2025-05-22

SENSOR ELEMENT AND GAS SENSOR

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20250164436
2025-05-22

SENSOR ELEMENT AND GAS SENSOR

 #7
20250155402
2025-05-15

INTELLIGENT WIDE-AREA FIVE-WIRE OXYGEN SENSOR CHIP AND MANUFACTURING METHOD THEREOF

 #8
20250123235
2025-04-17

SYMMETRIC STRUCTURAL TYPE OXYGEN SENSOR CHIP AND MANUFACTURING METHOD THEREOF

 #9
20250035580
2025-01-30

GAS SENSOR

 #10
20250012756
2025-01-09

SENSOR SYSTEM

 #11
20240329022
2024-10-03

SENSOR ELEMENT AND GAS SENSOR

 #12
20240328991
2024-10-03

GAS SENSOR OPERATING METHOD AND CONCENTRATION MEASUREMENT APPARATUS

 #13
20240302320
2024-09-12

ELECTROCHEMICAL DEVICE, SENSOR, AND SENSOR SYSTEM

 #14
20240288401
2024-08-29

SOLID ELECTROLYTE, ELECTROCHEMICAL ELEMENT, AND LIMITING CURRENT TYPE GAS SENSOR

 #15
20240272115
2024-08-15

GAS SENSOR

 #16
20240230583
2024-07-11

GAS SENSOR

 #17
20240230582
2024-07-11

GAS SENSOR

 #18
20240192161
2024-06-13

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #19
20240192160
2024-06-13

GAS SENSOR

 #20
20240133840
2024-04-25

GAS SENSOR

 #21
20240133839
2024-04-25

GAS SENSOR

 #22
20240044835
2024-02-08

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

 #23
20240044834
2024-02-08

OXYGEN CONTENT DETECTING SYSTEM AND CONTROL METHOD THEREOF

 #24
20240011938
2024-01-11

SENSOR ELEMENT AND GAS SENSOR

 #25
20240011937
2024-01-11

SENSOR ELEMENT AND GAS SENSOR

 #26
20240003842
2024-01-04

GAS CONCENTRATION DETECTING APPARATUS

 #27
20230393109
2023-12-07

GAS SENSOR

 #28
20230384256
2023-11-30

SENSOR ELEMENT AND GAS SENSOR

 #29
20230349855
2023-11-02

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

 #30
20230314366
2023-10-05

GAS SENSOR AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

 #31
20230304965
2023-09-28

GAS SENSOR

 #32
20230304963
2023-09-28

GAS SENSOR

 #33
20230304961
2023-09-28

GAS SENSOR ELEMENT

 #34
20230288366
2023-09-14

GAS SENSOR

 #35
20230280303
2023-09-07

GAS SENSOR AND GAS SENSOR OPERATION METHOD

 #36
20230228703
2023-07-20

GAS SENSOR

 #37
20230228702
2023-07-20

GAS SENSOR

 #38
20230213473
2023-07-06

SENSOR ELEMENT HAVING FOUR CONTACT SURFACES AND THREE VIAS

 #39
20230204534
2023-06-29

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #40
20230204532
2023-06-29

REAL-TIME MEASURING DEVICE OF OXYGEN CONCENTRATION IN DROPLET ENVIRONMENT

 #41
20230194467
2023-06-22

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #42
20230194463
2023-06-22

GAS SENSOR

 #43
20230194462
2023-06-22

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #44
20230176005
2023-06-08

SENSOR CONTROL UNIT

 #45
20230152269
2023-05-18

SENSOR ELEMENT AND GAS SENSOR

 #46
20230144467
2023-05-11

METHOD FOR OPERATING A GAS BURNER AND GAS BURNER FOR PERFORMING THE METHOD

 #47
20230125474
2023-04-27

SENSOR ELEMENT

 #48
20230121579
2023-04-20

EVALUATION AND CONTROL UNIT FOR A GAS SENSOR

 #49
20230086725
2023-03-23

Oxygen analyzer with pressure compensation

 #50
20230074136
2023-03-09

GAS SENSOR

 #51
20220373501
2022-11-24

Handheld portable oxygen monitor

 #52
20220331533
2022-10-20

Calibration method for oxygen sensor, medical ventilation system, anesthetic machine, and ventilator

 #53
20220326174
2022-10-13

ELECTROCHEMICAL OXYGEN SENSOR

 #54
20220317086
2022-10-06

Gas sensor

 #55
20220308010
2022-09-29

Sensor element and gas detection method using sensor element

 #56
20220299464
2022-09-22

GAS SENSOR

 #57
20220283114
2022-09-08

GAS SENSOR

 #58
20220283113
2022-09-08

Thread-based oxygen sensor

 #59
20220252540
2022-08-11

SENSOR ELEMENT

 #60
20220236212
2022-07-28

Sensor element of NOx sensor

 #61
20220236211
2022-07-28

SENSOR ELEMENT OF NOx SENSOR AND METHOD FOR MANUFACTURING SENSOR ELEMENT OF NOx SENSOR

 #62
20220236210
2022-07-28

Sensor element of gas sensor

 #63
20220214303
2022-07-07

MANUFACTURING METHOD FOR GAS SENSOR ELEMENT, GAS SENSOR ELEMENT, AND GAS SENSOR

 #64
20220196587
2022-06-23

System and method for measuring a variable of a liquid

 #65
20220187237
2022-06-16

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

 #66
20220178869
2022-06-09

GAS SENSOR

 #67
20220113278
2022-04-14

GAS SENSOR

 #68
20220113277
2022-04-14

GAS SENSOR

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20220113276
2022-04-14

GAS SENSOR AND METHOD OF MANUFACTURE THEREOF

 #70
20220107288
2022-04-07

GAS SENSOR

 #71
20220107287
2022-04-07

SENSOR ELEMENT AND GAS SENSOR

 #72
20220074888
2022-03-10

Gas sensor

 #73
20220074887
2022-03-10

Gas sensor element and gas sensor

 #74
20220074886
2022-03-10

LIMITING CURRENT GAS SENSOR AND MANUFACTURING METHOD THEREOF

 #75
20220065809
2022-03-03

GAS SENSOR

 #76
20220050075
2022-02-17

Method for producing gas sensor element, gas sensor element, and gas sensor

 #77
20220026388
2022-01-27

Gas sensor

 #78
20220025807
2022-01-27

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #79
20220018804
2022-01-20

GAS SENSOR AND METHOD FOR MANUFACTURING SAME

 #80
20220018803
2022-01-20

GAS SENSOR

 #81
20220011259
2022-01-13

Solid electrolyte and gas sensor with thermal shock resistance

 #82
20220011257
2022-01-13

GAS SENSOR

 #83
20210404985
2021-12-30

GAS SENSOR AND MANUFACTURING METHOD FOR GAS SENSOR

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20210364465
2021-11-25

Gas sensor

 #85
20210356424
2021-11-18

Gas sensor

 #86
20210356423
2021-11-18

EXHAUST SENSOR

 #87
20210349051
2021-11-11

Gas sensor

 #88
20210341413
2021-11-04

Gas sensor

 #89
20210333232
2021-10-28

GAS CONCENTRATION DETECTION DEVICE

 #90
20210318262
2021-10-14

Gas sensor element and gas sensor

 #91
20210302400
2021-09-30

Gas sensor and method for controlling operation of gas sensor

 #92
20210302358
2021-09-30

SENSOR ELEMENT AND GAS SENSOR

 #93
20210302357
2021-09-30

Gas sensor for suppressing an increase in the temperature of a grommet while suppressing an increase in the size cost of gas sensor parts

 #94
20210302356
2021-09-30

Gas sensor

 #95
20210302355
2021-09-30

Sensor element and gas sensor

 #96
20210302354
2021-09-30

Sensor element and gas sensor

 #97
20210293744
2021-09-23

GAS SENSOR

 #98
20210293743
2021-09-23

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

 #99
20210247353
2021-08-12

Limiting-current type gas sensor

 #100
20210208095
2021-07-08

Gas sensor

 #101
20210181140
2021-06-17

Gas sensor element

 #102
20210179496
2021-06-17

CERAMIC STRUCTURED BODY AND SENSOR ELEMENT OF GAS SENSOR

 #103
20210172902
2021-06-10

Metal terminal

 #104
20210172900
2021-06-10

METHOD FOR MONITORING THE VIABILITY OF A GRAFT

 #105
20210163372
2021-06-03

SENSOR ELEMENT

 #106
20210156817
2021-05-27

CERAMIC STRUCTURED BODY AND SENSOR ELEMENT OF GAS SENSOR

 #107
20210140916
2021-05-13

Gas sensor

 #108
20210126272
2021-04-29

SOLID ELECTROLYTE ASSEMBLY

 #109
20210079828
2021-03-18

Gas sensor control apparatus, gas sensor apparatus, and internal combustion engine control apparatus

 #110
20210072180
2021-03-11

Gas sensor element, and gas sensor

 #111
20210063343
2021-03-04

SENSOR ELEMENT

 #112
20210055254
2021-02-25

SENSOR ELEMENT AND GAS SENSOR

 #113
20210041409
2021-02-11

OXYGEN SENSOR ELEMENT

 #114
20210018461
2021-01-21

Gas sensor and method of manufacturing the same

 #115
20200363369
2020-11-19

GAS SENSOR ELEMENT AND GAS SENSOR

 #116
20200340940
2020-10-29

Sensor element and gas sensor

 #117
20200331809
2020-10-22

Method for manufacturing sensor element

 #118
20200309731
2020-10-01

Method of making oil repellent sheet material and gas sensor

 #119
20200309729
2020-10-01

Gas sensor and sensor element

 #120
20200309728
2020-10-01

Sensor element and gas sensor

 #121
20200309727
2020-10-01

GAS SENSOR AND SENSOR ELEMENT

 #122
20200292485
2020-09-17

Gas sensor

 #123
20200256824
2020-08-13

Solid electrolyte, manufacturing method thereof, and gas sensor

 #124
20200223711
2020-07-16

Method of making room temperature stable δ-phase bismuth(III) oxide

 #125
20200209184
2020-07-02

Gas sensor element and gas sensor

 #126
20200200700
2020-06-25

Sensor element and gas sensor

 #127
20200191744
2020-06-18

Gas sensor

 #128
20200191743
2020-06-18

Gas sensor

 #129
20200173957
2020-06-04

Gas sensor element and gas sensor

 #130
20200166475
2020-05-28

Gas sensor and gas concentration measurement method

 #131
20200141892
2020-05-07

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

 #132
20200103368
2020-04-02

Gas sensor

 #133
20200072785
2020-03-05

Sensor element

 #134
20200072784
2020-03-05

Sensor element

 #135
20200064305
2020-02-27

Gas sensor

 #136
20200064302
2020-02-27

Gas sensor element

 #137
20200049653
2020-02-13

Gas sensor

 #138
20200041476
2020-02-06

Biocapacitive BOD sensor

 #139
20200041438
2020-02-06

Sensor element

 #140
20200003725
2020-01-02

Gas sensor and sensor element

 #141
20190391109
2019-12-26

GAS SENSOR

 #142
20190383768
2019-12-19

Gas sensor

 #143
20190383766
2019-12-19

Gas sensor

 #144
20190383765
2019-12-19

Gas sensor and gas concentration measurement method

 #145
20190372247
2019-12-05

CIRCUIT CONNECTION DEVICE

 #146
20190363466
2019-11-28

CIRCUIT CONNECTION DEVICE, AND ELECTRONIC APPARATUS DEVICE

 #147
20190360985
2019-11-28

Combustion analyzer

 #148
20190353611
2019-11-21

Sensor element and gas sensor

 #149
20190345889
2019-11-14

Air-fuel ratio detection device and air-fuel ratio detection method

 #150
20190331635
2019-10-31

SOLID ELECTROLYTE BODY FOR GAS SENSOR ELEMENT, PRODUCTION METHOD THEREOF AND GAS SENSOR ELEMENT

 #151
20190331634
2019-10-31

SOLID ELECTROLYTE BODY FOR GAS SENSOR ELEMENT, PRODUCTION METHOD THEREOF AND GAS SENSOR ELEMENT

 #152
20190317041
2019-10-17

Gas sensor

 #153
20190302049
2019-10-03

Gas sensor and method of controlling gas sensor

 #154
20190285575
2019-09-19

Gas sensor

 #155
20190285574
2019-09-19

Gas sensor

 #156
20190285573
2019-09-19

Gas sensor

 #157
20190285572
2019-09-19

Gas sensor

 #158
20190277797
2019-09-12

Gas sensor

 #159
20190277796
2019-09-12

Sensor and method of manufacturing sensor

 #160
20190257783
2019-08-22

Gas sensor element, gas sensor, and method for producing gas sensor element

 #161
20190250123
2019-08-15

Particular-gas concentration-measuring apparatus and particular-gas concentration measuring system

 #162
20190242848
2019-08-08

Gas sensor element

 #163
20190235006
2019-08-01

WIRING LINE ABNORMALITY DETECTING DEVICE

 #164
20190187114
2019-06-20

Control apparatus and gas detection method

 #165
20190186326
2019-06-20

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #166
20190186325
2019-06-20

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #167
20190178835
2019-06-13

Gas sensor

 #168
20190162693
2019-05-30

SENSOR ELEMENT AND GAS SENSOR INCLUDING THE SAME

 #169
20190154628
2019-05-23

Gas sensor

 #170
20190137441
2019-05-09

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

 #171
20190128833
2019-05-02

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

 #172
20190107071
2019-04-11

Sensor control apparatus

 #173
20190094177
2019-03-28

Sensor control apparatus

 #174
20190094172
2019-03-28

Gas sensor

 #175
20190086358
2019-03-21

Gas sensor assembling apparatus and assembling method

 #176
20190078802
2019-03-14

Air purifier and air purification method

 #177
20190049404
2019-02-14

Gas sensor element and method for manufacturing the same

 #178
20190041350
2019-02-07

METAL PASTE FOR GAS SENSOR ELECTRODE FORMATION

 #179
20190025248
2019-01-24

Gas sensor

 #180
20190025245
2019-01-24

Gas sensor

 #181
20180364193
2018-12-20

Gas sensor

 #182
20180340909
2018-11-29

Gas sensor control device

 #183
20180313781
2018-11-01

Gas sensor

 #184
20180266982
2018-09-20

Method of manufacturing gas sensor and method of removing oil

 #185
20180266981
2018-09-20

Sensing electrode oxygen control in an oxygen sensor

 #186
20180238826
2018-08-23

A/F sensor and method of manufacturing the same

 #187
20180224391
2018-08-09

Multi-layer ceramic/metal type gas sensor and manufacturing method of the same

 #188
20180217089
2018-08-02

Gas sensor provided with flange portion of cover thereof

 #189
20180202965
2018-07-19

Pump electrode and reference electrode for gas sensor

 #190
20180180570
2018-06-28

Gas sensor

 #191
20180179979
2018-06-28

DIAGNOSIS APPARATUS FOR EXHAUST GAS SENSOR

 #192
20180172626
2018-06-21

Gas sensor element and gas sensor unit

 #193
20180172623
2018-06-21

Gas sensor element and gas sensor unit

 #194
20180135547
2018-05-17

Air-fuel ratio control device and air-fuel ratio control method

 #195
20180106755
2018-04-19

Gas sensor control device

 #196
20180095051
2018-04-05

Gas sensor

 #197
20180031519
2018-02-01

Gas sensor

 #198
20180031518
2018-02-01

Gas sensor

 #199
20180031514
2018-02-01

Gas sensor

 #200
20170356874
2017-12-14

Gas sensor

 #201
20170346201
2017-11-30

Terminal member and connector

 #202
20170343505
2017-11-30

Gas sensor element

 #203
20170336342
2017-11-23

Gas concentration detection device

 #204
20170307560
2017-10-26

Gas sensor

 #205
20170284957
2017-10-05

Gas sensor

 #206
20170248540
2017-08-31

Sensor element for detecting at least one property of a measuring gas in a measuring gas space, containing a ground, impregnated slip layer

 #207
20170234831
2017-08-17

Gas detection apparatus

 #208
20170227487
2017-08-10

Gas Sensor And Method For Detecting Oxygen

 #209
20170219513
2017-08-03

Gas concentration detection device

 #210
20170212072
2017-07-27

Gas sensor

 #211
20170205326
2017-07-20

Internal combustion engine

 #212
20170146482
2017-05-25

Gas sensor including sensor element, housing, and element cover

 #213
20170138896
2017-05-18

Gas sensor including sensor element, housing and element cover

 #214
20170138892
2017-05-18

A/F sensor element and method of manufacturing the same

 #215
20170133695
2017-05-11

Oxygen sensing device with capability of storing energy, releasing energy, generating specific gas and removing harmful gas

 #216
20170122897
2017-05-04

Gas sensor

 #217
20170059512
2017-03-02

Method for manufacturing sensor intermediate product and method for manufacturing sensor

 #218
20170052141
2017-02-23

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

 #219
20170052140
2017-02-23

GAS SENSOR

 #220
20170010236
2017-01-12

HEATER CONTROL DEVICE FOR EXHAUST GAS SENSOR

 #221
20170010235
2017-01-12

Gas sensor

 #222
20160327512
2016-11-10

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

 #223
20160327509
2016-11-10

Oxygen sensing probe/analyzer

 #224
20160320334
2016-11-03

Gas sensor for detecting concentration of specific gas component

 #225
20160320333
2016-11-03

Gas sensor element, gas sensor, and method of manufacturing gas sensor element

 #226
20160290953
2016-10-06

OXYGEN SENSOR ELEMENT

 #227
20160282298
2016-09-29

Sensor element and gas sensor

 #228
20160230686
2016-08-11

Gas sensor control device

 #229
20160223488
2016-08-04

Gas sensor control device

 #230
20160209354
2016-07-21

Gas sensor

 #231
20160209353
2016-07-21

Control device and control method for internal combustion engine

 #232
20160202210
2016-07-14

Gas sensor control device

 #233
20160202144
2016-07-14

Sensor

 #234
20160201540
2016-07-14

Gas sensor control device

 #235
20160161445
2016-06-09

Gas sensor element and gas sensor

 #236
20160153929
2016-06-02

Sensor element including a strip conductor and a reference gas channel

 #237
20160139073
2016-05-19

Oxygen sensor control based on water contact

 #238
20160097737
2016-04-07

Gas sensor system

 #239
20160091459
2016-03-31

Method and apparatus for diagnosing disconnection of oxygen sensor

 #240
20160069833
2016-03-10

Portable hand-held oxygen monitor

 #241
20160018357
2016-01-21

Gas sensor element

 #242
20150377827
2015-12-31

Method of controlling lambda sensor preheating and lambda sensor drive controller

 #243
20150377822
2015-12-31

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

 #244
20150330939
2015-11-19

Method for manufacturing sensor intermediate product and method for manufacturing sensor

 #245
20150330938
2015-11-19

METHOD AND APPARATUS FOR MONITORING GAS CONCENTRATION

 #246
20150293053
2015-10-15

Gas sensor control device

 #247
20150293044
2015-10-15

Impedance detector for oxygen concentration sensor element

 #248
20150276672
2015-10-01

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

 #249
20150276659
2015-10-01

Gas sensor

 #250
20150276657
2015-10-01

Sensor element and gas sensor

 #251
20150253281
2015-09-10

Gas sensor

 #252
20150219591
2015-08-06

Gas sensor element and gas sensor

 #253
20150212035
2015-07-30

Gas sensor element and gas sensor

 #254
20150204814
2015-07-23

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

 #255
20150198558
2015-07-16

Broadband lambda probe and production method for a broadband lambda probe

 #256
20150153304
2015-06-04

Exhaust gas sensor

 #257
20150144487
2015-05-28

Exhaust gas sensor

 #258
20150114085
2015-04-30

Gas sensor element, gas sensor, and method of manufacturing gas sensor element

 #259
20150068896
2015-03-12

Sensor control device

 #260
20150060274
2015-03-05

Gas sensor element and gas sensor

 #261
20150041318
2015-02-12

Gas sensor control apparatus

 #262
20140353174
2014-12-04

SOgas sensor and method of measuring concentration of SOgas

 #263
20140318960
2014-10-30

Micromachined oxygen sensor and method of making the same

 #264
20140305797
2014-10-16

LAMBDA SENSOR ELEMENT AND METHOD OF MANUFACTURING THE SAME

 #265
20140291151
2014-10-02

METHOD FOR PRODUCING SOLID OXIDE FUEL CELLS HAVING A CATHODE-ELECTROLYTE-ANODE UNIT BORNE BY A METAL SUBSTRATE, AND USE OF SAID SOLID OXIDE FUEL CELLS

 #266
20140262834
2014-09-18

Microelectrochemical sensor and method for operating a microelectrochemical sensor

 #267
20140238853
2014-08-28

Gas sensor control apparatus and gas sensor system

 #268
20140183060
2014-07-03

Method for diagnosing an electrical lead to an electrode of a sensor element for sensing at least one property of a measured gas in a measured gas space

 #269
20140144777
2014-05-29

Gas sensor

 #270
20140093971
2014-04-03

System and Method for Determining Concentration of Oxygen in Chemical Mixtures

 #271
20140076725
2014-03-20

Gas sensor

 #272
20140013819
2014-01-16

Oxygen sensor controlling apparatus, oxygen sensor controlling method and computer readable recording medium

 #273
20130334043
2013-12-19

Gas sensor

 #274
20130264223
2013-10-10

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

 #275
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