Patents-Review.com
ClassID:

168500 ⎘

G01N27/41 - 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 pumping cells

Recent Application in this class:
#1
20260140084
2026-05-21

METHOD FOR OPERATING A SENSOR FOR DETECTING AT LEAST ONE PROPERTY OF A MEASUREMENT GAS IN A MEASUREMENT GAS CHAMBER

 #2
20260118310
2026-04-30

GAS SENSOR

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20260110661
2026-04-23

GAS SENSOR

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20260110659
2026-04-23

GAS SENSOR

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20260079126
2026-03-19

GAS SENSOR

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20260029367
2026-01-29

GAS SENSOR

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20260016443
2026-01-15

GAS SENSOR

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20260016442
2026-01-15

GAS SENSOR

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20250383318
2025-12-18

SENSOR ELEMENT AND GAS SENSOR

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20250383317
2025-12-18

SENSOR ELEMENT AND GAS SENSOR

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20250334542
2025-10-30

SENSOR ELEMENT AND GAS SENSOR

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20250334541
2025-10-30

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

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20250283848
2025-09-11

GAS SENSOR, METHOD FOR DETERMINING ADJUSTMENT VOLTAGE TARGET VALUE FOR CONTROL OF SENSOR ELEMENT, METHOD FOR MANUFACTURING SENSOR ELEMENT, AND METHOD FOR MANUFACTURING GAS SENSOR

 #14
20250283844
2025-09-11

GAS SENSOR, AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

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20250264438
2025-08-21

GAS SENSOR

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20250224363
2025-07-10

GAS SENSOR, AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

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20250216359
2025-07-03

GAS SENSOR, AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

 #18
20250189481
2025-06-12

GAS SENSOR AND METHOD FOR CONTROLLING GAS SENSOR

 #19
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

 #22
20250155402
2025-05-15

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

 #23
20250110076
2025-04-03

SENSOR ELEMENT AND GAS SENSOR

 #24
20250093293
2025-03-20

GAS SENSOR

 #25
20240377350
2024-11-14

SENSOR ELEMENT

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20240337621
2024-10-10

SENSOR ELEMENT AND GAS SENSOR

 #27
20240329022
2024-10-03

SENSOR ELEMENT AND GAS SENSOR

 #28
20240328991
2024-10-03

GAS SENSOR OPERATING METHOD AND CONCENTRATION MEASUREMENT APPARATUS

 #29
20240302321
2024-09-12

GAS SENSOR CONTROL DEVICE, GAS SENSOR CONTROL METHOD, AND GAS SENSOR CONTROL SYSTEM

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20240230583
2024-07-11

GAS SENSOR

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20240230582
2024-07-11

GAS SENSOR

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20240192161
2024-06-13

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #33
20240192160
2024-06-13

GAS SENSOR

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20240151685
2024-05-09

SENSOR ELEMENT

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20240151684
2024-05-09

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

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20240133840
2024-04-25

GAS SENSOR

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20240133839
2024-04-25

GAS SENSOR

 #38
20240053296
2024-02-15

Method for Operating a Wide-Band Lambda Probe

 #39
20240011938
2024-01-11

SENSOR ELEMENT AND GAS SENSOR

 #40
20240011937
2024-01-11

SENSOR ELEMENT AND GAS SENSOR

 #41
20240003841
2024-01-04

GAS SENSOR ELEMENT AND GAS SENSOR

 #42
20230349855
2023-11-02

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

 #43
20230324329
2023-10-12

GAS SENSOR

 #44
20230324327
2023-10-12

GAS SENSOR AND CONCENTRATION CORRECTION METHOD FOR USE IN GAS SENSOR

 #45
20230314367
2023-10-05

GAS SENSOR AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

 #46
20230314366
2023-10-05

GAS SENSOR AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

 #47
20230314364
2023-10-05

GAS SENSOR AND CASING FOR CONTAINING SENSOR ELEMENT

 #48
20230304965
2023-09-28

GAS SENSOR

 #49
20230304963
2023-09-28

GAS SENSOR

 #50
20230296553
2023-09-21

GAS SENSOR

 #51
20230288366
2023-09-14

GAS SENSOR

 #52
20230280303
2023-09-07

GAS SENSOR AND GAS SENSOR OPERATION METHOD

 #53
20230273148
2023-08-31

NOx SENSOR AND NOx SENSOR OPERATION METHOD

 #54
20230236146
2023-07-27

GAS SENSOR

 #55
20230228703
2023-07-20

GAS SENSOR

 #56
20230228702
2023-07-20

GAS SENSOR

 #57
20230204535
2023-06-29

GAS SENSOR ELEMENT AND GAS SENSOR

 #58
20230204532
2023-06-29

REAL-TIME MEASURING DEVICE OF OXYGEN CONCENTRATION IN DROPLET ENVIRONMENT

 #59
20230194467
2023-06-22

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #60
20230194463
2023-06-22

GAS SENSOR

 #61
20230176005
2023-06-08

SENSOR CONTROL UNIT

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20230168222
2023-06-01

SENSOR ELEMENT AND GAS SENSOR

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20230168221
2023-06-01

GAS SENSOR AND SENSOR ELEMENT

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20230152269
2023-05-18

SENSOR ELEMENT AND GAS SENSOR

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20230112530
2023-04-13

GAS SENSOR ELEMENT

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20230071139
2023-03-09

Sensor element and gas sensor

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20220390410
2022-12-08

GAS SENSOR ELEMENT

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20220381726
2022-12-01

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

 #69
20220373505
2022-11-24

GAS SENSOR AND METHOD OF MANUFACTURING GAS SENSOR

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20220341869
2022-10-27

SENSOR ELEMENT

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20220308011
2022-09-29

SENSOR ELEMENT

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20220308010
2022-09-29

Sensor element and gas detection method using sensor element

 #73
20220308007
2022-09-29

CONTROL METHOD OF GAS SENSOR

 #74
20220299464
2022-09-22

GAS SENSOR

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20220283114
2022-09-08

GAS SENSOR

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20220268727
2022-08-25

Sensor element

 #77
20220236212
2022-07-28

Sensor element of NOx sensor

 #78
20220236211
2022-07-28

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

 #79
20220236210
2022-07-28

Sensor element of gas sensor

 #80
20220178869
2022-06-09

GAS SENSOR

 #81
20220128507
2022-04-28

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

 #82
20220113280
2022-04-14

GAS SENSOR

 #83
20220113279
2022-04-14

GAS SENSOR

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20220113278
2022-04-14

GAS SENSOR

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20220113277
2022-04-14

GAS SENSOR

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20220107288
2022-04-07

GAS SENSOR

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20220050075
2022-02-17

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

 #88
20220025807
2022-01-27

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #89
20220011261
2022-01-13

GAS SENSOR

 #90
20220011258
2022-01-13

GAS SENSOR AND METHOD FOR CONTROLLING GAS SENSOR

 #91
20220011257
2022-01-13

GAS SENSOR

 #92
20210389271
2021-12-16

SENSOR ELEMENT OF GAS SENSOR

 #93
20210389270
2021-12-16

SENSOR ELEMENT OF GAS SENSOR

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20210389269
2021-12-16

SENSOR ELEMENT OF GAS SENSOR

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20210389268
2021-12-16

Sensor element of gas sensor

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20210364465
2021-11-25

Gas sensor

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20210356424
2021-11-18

Gas sensor

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20210333232
2021-10-28

GAS CONCENTRATION DETECTION DEVICE

 #99
20210318262
2021-10-14

Gas sensor element and gas sensor

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20210310984
2021-10-07

AMMONIA SENSOR

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20210310982
2021-10-07

Gas sensor

 #102
20210302400
2021-09-30

Gas sensor and method for controlling operation of gas sensor

 #103
20210302364
2021-09-30

Sensor element and gas sensor

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20210302363
2021-09-30

Sensor element and gas sensor

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20210302362
2021-09-30

Sensor element

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20210302358
2021-09-30

SENSOR ELEMENT AND GAS SENSOR

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20210302356
2021-09-30

Gas sensor

 #108
20210302355
2021-09-30

Sensor element and gas sensor

 #109
20210293743
2021-09-23

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

 #110
20210270768
2021-09-02

Gas sensor

 #111
20210270767
2021-09-02

METHOD FOR OPERATING A SENSOR FOR DETECTING AT LEAST A PORTION OF A MEASUREMENT GAS COMPONENT HAVING BOUND OXYGEN IN A MEASUREMENT GAS

 #112
20210223202
2021-07-22

SENSOR ELEMENT AND GAS SENSOR

 #113
20210208097
2021-07-08

Sensor element

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20210208096
2021-07-08

Sensor element

 #115
20210208095
2021-07-08

Gas sensor

 #116
20210172903
2021-06-10

SENSOR ELEMENT FOR GAS SENSOR

 #117
20210156817
2021-05-27

CERAMIC STRUCTURED BODY AND SENSOR ELEMENT OF GAS SENSOR

 #118
20210140916
2021-05-13

Gas sensor

 #119
20210109058
2021-04-15

Gas sensor

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20210109057
2021-04-15

Oxygen sensor system and method

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20210088471
2021-03-25

Sensor element, gas sensor, and gas sensor unit

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20210079828
2021-03-18

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

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20210063344
2021-03-04

Sensor element

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20210063343
2021-03-04

SENSOR ELEMENT

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20210054796
2021-02-25

Operation control method of vehicle engine and vehicle system

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20200340940
2020-10-29

Sensor element and gas sensor

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20200309729
2020-10-01

Gas sensor and sensor element

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20200309728
2020-10-01

Sensor element and gas sensor

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20200309727
2020-10-01

GAS SENSOR AND SENSOR ELEMENT

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20200264127
2020-08-20

Gas sensor control device

 #131
20200256826
2020-08-13

PULSE-DRIVEN CAPACITIVE DETECTION FOR FIELD-EFFECT TRANSISTORS

 #132
20200224600
2020-07-16

Control apparatus

 #133
20200224575
2020-07-16

Control apparatus

 #134
20200209185
2020-07-02

Sensor element

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20200200700
2020-06-25

Sensor element and gas sensor

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20200191744
2020-06-18

Gas sensor

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20200141896
2020-05-07

Gas sensor element and gas sensor

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20200141895
2020-05-07

Method of operation of a gas sensor

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20200132619
2020-04-30

SENSOR ELEMENT AND GAS SENSOR

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20200049653
2020-02-13

Gas sensor

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20200041441
2020-02-06

Sensor element

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20200041440
2020-02-06

Sensor element

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20200041438
2020-02-06

Sensor element

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20200003726
2020-01-02

GAS SENSOR

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20200003724
2020-01-02

Gas sensor

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20190383767
2019-12-19

Gas sensor and method of producing gas sensor

 #147
20190383766
2019-12-19

Gas sensor

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20190383765
2019-12-19

Gas sensor and gas concentration measurement method

 #149
20190302049
2019-10-03

Gas sensor and method of controlling gas sensor

 #150
20190285575
2019-09-19

Gas sensor

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20190285574
2019-09-19

Gas sensor

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20190285573
2019-09-19

Gas sensor

 #153
20190285572
2019-09-19

Gas sensor

 #154
20190277796
2019-09-12

Sensor and method of manufacturing sensor

 #155
20190257783
2019-08-22

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

 #156
20190227027
2019-07-25

Gas sensor

 #157
20190219537
2019-07-18

CONTROL DEVICE

 #158
20190186326
2019-06-20

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #159
20190186325
2019-06-20

SOx CONCENTRATION ACQUIRING APPARATUS OF INTERNAL COMBUSTION ENGINE

 #160
20190154628
2019-05-23

Gas sensor

 #161
20190154626
2019-05-23

Gas sensor with a pump cell

 #162
20190128833
2019-05-02

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

 #163
20190094177
2019-03-28

Sensor control apparatus

 #164
20190094172
2019-03-28

Gas sensor

 #165
20190049404
2019-02-14

Gas sensor element and method for manufacturing the same

 #166
20190041350
2019-02-07

METAL PASTE FOR GAS SENSOR ELECTRODE FORMATION

 #167
20190025248
2019-01-24

Gas sensor

 #168
20190011395
2019-01-10

Concentration computation apparatus

 #169
20180364193
2018-12-20

Gas sensor

 #170
20180340909
2018-11-29

Gas sensor control device

 #171
20180335400
2018-11-22

Sensor control device and gas detection system

 #172
20180313781
2018-11-01

Gas sensor

 #173
20180299404
2018-10-18

SENSOR APPARATUS AND SENSOR UNIT

 #174
20180284058
2018-10-04

GAS SENSOR

 #175
20180284057
2018-10-04

Sensor element and gas sensor

 #176
20180284056
2018-10-04

Sensor element and gas sensor

 #177
20180284055
2018-10-04

Gas sensor element

 #178
20180284054
2018-10-04

Gas sensor element

 #179
20180252673
2018-09-06

Multi-Species Gas Constituent Sensor with Pulse Excitation Measurement

 #180
20180252672
2018-09-06

Combination NOx and Oxygen sensor with common gas chamber

 #181
20180252671
2018-09-06

Gas sensor

 #182
20180231493
2018-08-16

Gas detection device

 #183
20180217090
2018-08-02

Gas sensor provided with flange portion of cover thereof

 #184
20180217089
2018-08-02

Gas sensor provided with flange portion of cover thereof

 #185
20180202965
2018-07-19

Pump electrode and reference electrode for gas sensor

 #186
20180180570
2018-06-28

Gas sensor

 #187
20180172626
2018-06-21

Gas sensor element and gas sensor unit

 #188
20180172625
2018-06-21

Gas sensor element and gas sensor unit

 #189
20180172623
2018-06-21

Gas sensor element and gas sensor unit

 #190
20180172622
2018-06-21

Gas sensor

 #191
20180164266
2018-06-14

Test bench for simulating the electrical response of a wideband lambda sensor

 #192
20180149617
2018-05-31

GAS DETECTOR AND CONTROL METHOD FOR GAS DETECTOR

 #193
20180142639
2018-05-24

Diagnosis system of internal combustion engine

 #194
20180106755
2018-04-19

Gas sensor control device

 #195
20180095051
2018-04-05

Gas sensor

 #196
20180094564
2018-04-05

GAS SENSOR, CATALYST DIAGNOSIS SYSTEM, AND CATALYST DIAGNOSTIC METHOD

 #197
20180080896
2018-03-22

Compensating oxygen sensor aging

 #198
20180067073
2018-03-08

CONCENTRATION COMPUTATION APPARATUS

 #199
20180031519
2018-02-01

Gas sensor

 #200
20180031518
2018-02-01

Gas sensor

 #201
20180024093
2018-01-25

Controller and abnormality detecting method of air-fuel-ratio sensor

 #202
20180017514
2018-01-18

Gas sensor element

 #203
20180003670
2018-01-04

Electrode for gas sensor, and gas sensor

 #204
20170370874
2017-12-28

NOx sensor

 #205
20170363570
2017-12-21

Gas sensor and method for manufacturing the same

 #206
20170346201
2017-11-30

Terminal member and connector

 #207
20170343505
2017-11-30

Gas sensor element

 #208
20170336344
2017-11-23

GAS CONCENTRATION DETECTION DEVICE

 #209
20170315082
2017-11-02

Gas sensor

 #210
20170284960
2017-10-05

Inspection apparatus for gas sensor

 #211
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

 #212
20170276636
2017-09-28

Sensor element, manufacturing method therefor, and gas sensor

 #213
20170261463
2017-09-14

Gas sensor

 #214
20170219517
2017-08-03

GAS SENSOR UNIT

 #215
20170219516
2017-08-03

Gas concentration detection apparatus

 #216
20170219513
2017-08-03

Gas concentration detection device

 #217
20170212009
2017-07-27

Semiconductor sensor for gas concentration

 #218
20170205326
2017-07-20

Internal combustion engine

 #219
20170191957
2017-07-06

Gas sensor device

 #220
20170122897
2017-05-04

Gas sensor

 #221
20170115250
2017-04-27

Gas sensor

 #222
20170108463
2017-04-20

Gas sensor

 #223
20170097318
2017-04-06

Digital controller for an oxygen sensor

 #224
20170052140
2017-02-23

GAS SENSOR

 #225
20160341691
2016-11-24

Gas sensor element

 #226
20160327512
2016-11-10

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

 #227
20160320334
2016-11-03

Gas sensor for detecting concentration of specific gas component

 #228
20160282301
2016-09-29

Sensor element and gas sensor

 #229
20160282300
2016-09-29

Sensor element and gas sensor

 #230
20160282299
2016-09-29

Sensor element and gas sensor

 #231
20160282296
2016-09-29

GAS SENSOR

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20160266062
2016-09-15

Sensor control apparatus and sensor control system

 #233
20160258897
2016-09-08

Sensor element and gas sensor

 #234
20160223488
2016-08-04

Gas sensor control device

 #235
20160216229
2016-07-28

GAS SENSOR

 #236
20160209354
2016-07-21

Gas sensor

 #237
20160209352
2016-07-21

Gas sensor control device

 #238
20160202144
2016-07-14

Sensor

 #239
20160169832
2016-06-16

Sensor control apparatus and gas detection system

 #240
20160160778
2016-06-09

Diagnosis system of internal combustion engine

 #241
20160139074
2016-05-19

Nitrogen oxide responsive element and method for producing same

 #242
20160123922
2016-05-05

Gas sensor control apparatus

 #243
20160103095
2016-04-14

Compensating oxygen sensor aging

 #244
20160097737
2016-04-07

Gas sensor system

 #245
20160061771
2016-03-03

GAS CONCENTRATION DETECTING DEVICE

 #246
20160061769
2016-03-03

Gas concentration detecting device

 #247
20160061768
2016-03-03

Gas sensor

 #248
20160061084
2016-03-03

Control system of internal combustion engine

 #249
20150369156
2015-12-24

Control system of internal combustion engine

 #250
20150354487
2015-12-10

Control device for internal combustion engine

 #251
20150293053
2015-10-15

Gas sensor control device

 #252
20150293052
2015-10-15

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

 #253
20150276672
2015-10-01

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

 #254
20150268188
2015-09-24

SENSOR ELEMENT AND GAS SENSOR

 #255
20150260679
2015-09-17

Method for performing processing on gas sensor

 #256
20150219591
2015-08-06

Gas sensor element and gas sensor

 #257
20150204814
2015-07-23

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

 #258
20150198558
2015-07-16

Broadband lambda probe and production method for a broadband lambda probe

 #259
20150177209
2015-06-25

Sensor control apparatus and gas detection system

 #260
20150083588
2015-03-26

Gas concentration detector

 #261
20140367276
2014-12-18

Method and apparatus for operating a linear lambda probe

 #262
20140332379
2014-11-13

Hydrocarbon gas sensor

 #263
20140332378
2014-11-13

Hydrocarbon gas sensor

 #264
20140311906
2014-10-23

Electrode for gas sensor, and gas sensor

 #265
20140076741
2014-03-20

Digital controller for an oxygen sensor

 #266
20140060007
2014-03-06

Apparatus and method for onboard performance monitoring of oxidation catalyst

 #267
20130220808
2013-08-29

Gas sensor

 #268
20130167511
2013-07-04

Method for correcting the pump current of a sensor element

 #269
20130032480
2013-02-07

Gas sensor

 #270
20120285838
2012-11-15

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

 #271
20110226618
2011-09-22

GAS SENSOR

 #272
20110056270
2011-03-10

Sensor element having an inner anode

 #273
14875772
2019-10-08

Low cost, fast and sensitive NOx and NH3 sensor