Patents-Review.com
ClassID:

168489 ⎘

G01N27/4067 - 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 Means for heating or controlling the temperature of the solid electrolyte

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
20260063587
2026-03-05

SOLID-STATE OXYGEN SENSOR CHIP

 #3
20250362264
2025-11-27

ASSEMBLY AND METHOD FOR MONITORING AN AMMONIA EXHAUST GAS PURIFICATION PLANT

 #4
20250224363
2025-07-10

GAS SENSOR, AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

 #5
20250216359
2025-07-03

GAS SENSOR, AND CONCENTRATION MEASUREMENT METHOD USING GAS SENSOR

 #6
20250110076
2025-04-03

SENSOR ELEMENT AND GAS SENSOR

 #7
20240418672
2024-12-19

GAS SENSOR

 #8
20240402122
2024-12-05

CARBON DIOXIDE GAS SENSOR

 #9
20240328991
2024-10-03

GAS SENSOR OPERATING METHOD AND CONCENTRATION MEASUREMENT APPARATUS

 #10
20240230583
2024-07-11

GAS SENSOR

 #11
20240230582
2024-07-11

GAS SENSOR

 #12
20240151685
2024-05-09

SENSOR ELEMENT

 #13
20240133840
2024-04-25

GAS SENSOR

 #14
20240133839
2024-04-25

GAS SENSOR

 #15
20240019395
2024-01-18

MEMS-BASED ALCOHOL SENSOR AND INTELLIGENT DEVICE

 #16
20230314364
2023-10-05

GAS SENSOR AND CASING FOR CONTAINING SENSOR ELEMENT

 #17
20230304961
2023-09-28

GAS SENSOR ELEMENT

 #18
20230236146
2023-07-27

GAS SENSOR

 #19
20230228703
2023-07-20

GAS SENSOR

 #20
20230228702
2023-07-20

GAS SENSOR

 #21
20230213473
2023-07-06

SENSOR ELEMENT HAVING FOUR CONTACT SURFACES AND THREE VIAS

 #22
20230204534
2023-06-29

GAS SENSOR AND CONTROL METHOD OF GAS SENSOR

 #23
20230194463
2023-06-22

GAS SENSOR

 #24
20230176005
2023-06-08

SENSOR CONTROL UNIT

 #25
20230152269
2023-05-18

SENSOR ELEMENT AND GAS SENSOR

 #26
20230146123
2023-05-11

GAS SENSING DEVICE INCLUDING HOUSING HAVING CONNECTION PASSAGE

 #27
20230079301
2023-03-16

DEVICE FOR DIAGNOSING MALE INFERTILITY

 #28
20230071139
2023-03-09

Sensor element and gas sensor

 #29
20220390410
2022-12-08

GAS SENSOR ELEMENT

 #30
20220381726
2022-12-01

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

 #31
20220381724
2022-12-01

GAS SENSOR

 #32
20220373504
2022-11-24

GAS SENSOR ELEMENT

 #33
20220317084
2022-10-06

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

 #34
20220317083
2022-10-06

GAS SENSOR

 #35
20220308007
2022-09-29

CONTROL METHOD OF GAS SENSOR

 #36
20220299464
2022-09-22

GAS SENSOR

 #37
20220283114
2022-09-08

GAS SENSOR

 #38
20220178869
2022-06-09

GAS SENSOR

 #39
20220113276
2022-04-14

GAS SENSOR AND METHOD OF MANUFACTURE THEREOF

 #40
20220074885
2022-03-10

GAS SENSOR

 #41
20220074884
2022-03-10

Gas sensor

 #42
20220065809
2022-03-03

GAS SENSOR

 #43
20220018803
2022-01-20

GAS SENSOR

 #44
20220011258
2022-01-13

GAS SENSOR AND METHOD FOR CONTROLLING GAS SENSOR

 #45
20210404985
2021-12-30

GAS SENSOR AND MANUFACTURING METHOD FOR GAS SENSOR

 #46
20210318262
2021-10-14

Gas sensor element and gas sensor

 #47
20210310984
2021-10-07

AMMONIA SENSOR

 #48
20210278363
2021-09-09

Gas sensor

 #49
20210270768
2021-09-02

Gas sensor

 #50
20210262974
2021-08-26

GAS SENSOR

 #51
20210247352
2021-08-12

Gas concentration measurement system and gas concentration measurement method

 #52
20210208092
2021-07-08

Gas detection device

 #53
20210199617
2021-07-01

SENSOR ELEMENT FOR GAS SENSOR

 #54
20210181140
2021-06-17

Gas sensor element

 #55
20210172903
2021-06-10

SENSOR ELEMENT FOR GAS SENSOR

 #56
20210080422
2021-03-18

Liquid heater apparatus

 #57
20210063343
2021-03-04

SENSOR ELEMENT

 #58
20210025845
2021-01-28

Method of producing gas sensor element

 #59
20200400606
2020-12-24

Carbon dioxide gas sensor

 #60
20200355644
2020-11-12

Gas-based method and device for diagnosing lung cancer using light-regulated electrochemical sensors

 #61
20200309730
2020-10-01

Sensor element for gas sensor

 #62
20200309728
2020-10-01

Sensor element and gas sensor

 #63
20200284752
2020-09-10

Ceramic heater, sensor element, and gas sensor

 #64
20200284746
2020-09-10

ELECTROCHEMICAL SENSOR DEVICE FOR MEASURING THE LEVEL OF THE PULP AND FOAM INTERFACE INSIDE A FLOTATION CELL AND/OR COLUMN, IN A FLOTATION PROCESS, THE CONFIGURATION OF WHICH ALLOWS THE SELF-CLEANING THEREOF

 #65
20200264127
2020-08-20

Gas sensor control device

 #66
20200256825
2020-08-13

Sensor assemblies

 #67
20200224575
2020-07-16

Control apparatus

 #68
20200209185
2020-07-02

Sensor element

 #69
20200191743
2020-06-18

Gas sensor

 #70
20200173957
2020-06-04

Gas sensor element and gas sensor

 #71
20200150081
2020-05-14

METHOD FOR DETERMINING THE TEMPERATURE OF A SOLID ELECTROLYTE GAS SENSOR

 #72
20200150079
2020-05-14

GAS SENSOR

 #73
20200141896
2020-05-07

Gas sensor element and gas sensor

 #74
20200141895
2020-05-07

Method of operation of a gas sensor

 #75
20200141892
2020-05-07

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

 #76
20200116666
2020-04-16

GAS SENSOR

 #77
20200116665
2020-04-16

GAS SENSOR

 #78
20200080959
2020-03-12

Ceramic heater, sensor element, and gas sensor

 #79
20200041439
2020-02-06

Gas sensor

 #80
20200041438
2020-02-06

Sensor element

 #81
20200003723
2020-01-02

Temperature control apparatus, temperature control method, gas sensor, method of manufacturing gas sensor, and temperature control system for gas sensor

 #82
20190391108
2019-12-26

Nitrous oxide concentration detector

 #83
20190383766
2019-12-19

Gas sensor

 #84
20190317041
2019-10-17

Gas sensor

 #85
20190302050
2019-10-03

Gas sensor element, heater and gas sensor

 #86
20190277796
2019-09-12

Sensor and method of manufacturing sensor

 #87
20190265189
2019-08-29

Gas sensor

 #88
20190250123
2019-08-15

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

 #89
20190249616
2019-08-15

Control apparatus for an internal combustion engine

 #90
20190242848
2019-08-08

Gas sensor element

 #91
20190154628
2019-05-23

Gas sensor

 #92
20190094172
2019-03-28

Gas sensor

 #93
20190064105
2019-02-28

Gas sensor element and gas sensor

 #94
20190064094
2019-02-28

GAS SENSOR AND GAS SENSOR PACKAGE HAVING THE SAME

 #95
20190048774
2019-02-14

Microchip oxygen sensor for control of internal combustion engines or other combustion processes

 #96
20190041352
2019-02-07

In-situ localized growth of porous metal oxide films on microheater platform for low temperature gas detection

 #97
20190033248
2019-01-31

Amperometric electrochemical sensors, sensor systems and detection methods

 #98
20190025245
2019-01-24

Gas sensor

 #99
20190025244
2019-01-24

Gas sensor calibration method

 #100
20180364193
2018-12-20

Gas sensor

 #101
20180356364
2018-12-13

Method of inspecting electrode provided in gas sensor element

 #102
20180335398
2018-11-22

Ionic-conducting resistor for exhaust constituent sensors

 #103
20180299404
2018-10-18

SENSOR APPARATUS AND SENSOR UNIT

 #104
20180284058
2018-10-04

GAS SENSOR

 #105
20180284057
2018-10-04

Sensor element and gas sensor

 #106
20180284056
2018-10-04

Sensor element and gas sensor

 #107
20180284055
2018-10-04

Gas sensor element

 #108
20180284054
2018-10-04

Gas sensor element

 #109
20180284051
2018-10-04

Sensor element

 #110
20180284050
2018-10-04

Sensor element

 #111
20180275116
2018-09-27

GAS SENSOR

 #112
20180271403
2018-09-27

BREATH SENSOR

 #113
20180259478
2018-09-13

GAS SENSOR

 #114
20180252673
2018-09-06

Multi-Species Gas Constituent Sensor with Pulse Excitation Measurement

 #115
20180252672
2018-09-06

Combination NOx and Oxygen sensor with common gas chamber

 #116
20180252671
2018-09-06

Gas sensor

 #117
20180252667
2018-09-06

GAS SENSOR

 #118
20180231493
2018-08-16

Gas detection device

 #119
20180231492
2018-08-16

Gas detection device

 #120
20180217090
2018-08-02

Gas sensor provided with flange portion of cover thereof

 #121
20180217089
2018-08-02

Gas sensor provided with flange portion of cover thereof

 #122
20180217088
2018-08-02

Gas sensor

 #123
20180172623
2018-06-21

Gas sensor element and gas sensor unit

 #124
20180172622
2018-06-21

Gas sensor

 #125
20180149617
2018-05-31

GAS DETECTOR AND CONTROL METHOD FOR GAS DETECTOR

 #126
20180128771
2018-05-10

Method of reducing output degradation of gas sensor

 #127
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

 #128
20180095051
2018-04-05

Gas sensor

 #129
20180094564
2018-04-05

GAS SENSOR, CATALYST DIAGNOSIS SYSTEM, AND CATALYST DIAGNOSTIC METHOD

 #130
20180080896
2018-03-22

Compensating oxygen sensor aging

 #131
20180067073
2018-03-08

CONCENTRATION COMPUTATION APPARATUS

 #132
20180059046
2018-03-01

Gas sensor and gas concentration measuring method using the same

 #133
20180031519
2018-02-01

Gas sensor

 #134
20180031518
2018-02-01

Gas sensor

 #135
20180031514
2018-02-01

Gas sensor

 #136
20180024093
2018-01-25

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

 #137
20180017514
2018-01-18

Gas sensor element

 #138
20180011050
2018-01-11

Non-destructive, localized heat treatment device capable of attachment to non-planar surfaces

 #139
20180011049
2018-01-11

Metal terminal for gas sensor, gas sensor and method for manufacturing gas sensor

 #140
20180011048
2018-01-11

Gas sensor and method for manufacturing the same

 #141
20180011047
2018-01-11

Gas sensor and method for manufacturing the same

 #142
20170356378
2017-12-14

Control device of exhaust sensor

 #143
20170322175
2017-11-09

Hydrogen Detector for Gas Media

 #144
20170315082
2017-11-02

Gas sensor

 #145
20170315081
2017-11-02

Gas sensor element and gas sensor

 #146
20170315080
2017-11-02

Control device of nitrogen oxide sensor

 #147
20170298852
2017-10-19

Methods and systems for adjusting heater power of an oxygen sensor to reduce degradation from water

 #148
20170292433
2017-10-12

Control system of exhaust sensor

 #149
20170276638
2017-09-28

Gas sensor manufacturing method and gas sensor manufacturing apparatus

 #150
20170276636
2017-09-28

Sensor element, manufacturing method therefor, and gas sensor

 #151
20170261466
2017-09-14

Method of inspecting gas sensor and method of manufacturing gas sensor

 #152
20170241942
2017-08-24

Porous protective layer for gas sensor, method for producing same, and gas sensor comprising same

 #153
20170241941
2017-08-24

Flat plate-type oxygen sensor element

 #154
20170234831
2017-08-17

Gas detection apparatus

 #155
20170226972
2017-08-10

INTAKE SENSOR

 #156
20170219517
2017-08-03

GAS SENSOR UNIT

 #157
20170219516
2017-08-03

Gas concentration detection apparatus

 #158
20170219514
2017-08-03

Ceramic heater, sensor element, and gas sensor

 #159
20170212073
2017-07-27

Method For Operating A Gas Sensor For Improving The Detection Of Nitrogen Oxides

 #160
20170212072
2017-07-27

Gas sensor

 #161
20170205326
2017-07-20

Internal combustion engine

 #162
20170184538
2017-06-29

Ammonia gas sensor and method for measuring concentration of ammonia gas

 #163
20170138896
2017-05-18

Gas sensor including sensor element, housing and element cover

 #164
20170138895
2017-05-18

Gas sensor

 #165
20170138892
2017-05-18

A/F sensor element and method of manufacturing the same

 #166
20170122897
2017-05-04

Gas sensor

 #167
20170108463
2017-04-20

Gas sensor

 #168
20170102354
2017-04-13

Multiple gas detection device

 #169
20170102353
2017-04-13

Sensor in an internet-of-things and manufacturing method of the same

 #170
20170065208
2017-03-09

Respiratory Monitor

 #171
20170059511
2017-03-02

Gas sensor control apparatus

 #172
20170059510
2017-03-02

Method of recovering process for gas sensor

 #173
20170058741
2017-03-02

Microchip oxygen sensor for control of internal combustion engines or other combustion processes

 #174
20170052144
2017-02-23

Ceramic heater, sensor element, and gas sensor

 #175
20170052143
2017-02-23

Ceramic heater, sensor element, and gas sensor

 #176
20170052142
2017-02-23

Ceramic heater, sensor element, and gas sensor

 #177
20170052141
2017-02-23

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

 #178
20170038273
2017-02-09

Device for Detecting a Parameter of a Gas, Method for Operating Such a Device, and Measuring System for Determining a Parameter of a Gas

 #179
20170010236
2017-01-12

HEATER CONTROL DEVICE FOR EXHAUST GAS SENSOR

 #180
20170009685
2017-01-12

Heater control device for exhaust gas sensor

 #181
20160327512
2016-11-10

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

 #182
20160320334
2016-11-03

Gas sensor for detecting concentration of specific gas component

 #183
20160290961
2016-10-06

Abnormality diagnosis system of a gas sensor

 #184
20160282296
2016-09-29

GAS SENSOR

 #185
20160274054
2016-09-22

Sensor For Detecting A Gas Content

 #186
20160238548
2016-08-18

Heated sensitive layer gas sensor

 #187
20160209353
2016-07-21

Control device and control method for internal combustion engine

 #188
20160209352
2016-07-21

Gas sensor control device

 #189
20160194252
2016-07-07

Processing method for constraining lower melting point metals within ceramic laminates during sintering

 #190
20160169138
2016-06-16

Oxygen sensor control responsive to resistance and impedance

 #191
20160161442
2016-06-09

Sensor element having a conductor and leadthrough

 #192
20160153928
2016-06-02

Sensor element having a contact surface

 #193
20160139073
2016-05-19

Oxygen sensor control based on water contact

 #194
20160103095
2016-04-14

Compensating oxygen sensor aging

 #195
20160061767
2016-03-03

Method for manufacturing a solid electrolyte sensor element for detecting at least one property of a measuring gas in a measuring gas chamber, containing two porous ceramic layers

 #196
20160018357
2016-01-21

Gas sensor element

 #197
20150377827
2015-12-31

Method of controlling lambda sensor preheating and lambda sensor drive controller

 #198
20150377823
2015-12-31

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

 #199
20150293053
2015-10-15

Gas sensor control device

 #200
20150268192
2015-09-24

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

 #201
20150241383
2015-08-27

MULTIFUNCTIONAL POTENTIOMETRIC GAS SENSOR ARRAY WITH AN INTEGRATED TEMPERATURE CONTROL AND TEMPERATURE SENSORS

 #202
20150226696
2015-08-13

Ceramic heater and gas sensor element using the same

 #203
20150114848
2015-04-30

Method and devices for operating a heatable exhaust-gas sensor

 #204
20150083703
2015-03-26

Heater control apparatus for gas sensor

 #205
20150076134
2015-03-19

Methods and systems for adjusting heater power of an oxygen sensor to reduce degradation from water

 #206
20150001077
2015-01-01

Heater and gas sensor element

 #207
20140360875
2014-12-11

SENSOR

 #208
20140358467
2014-12-04

Control method of sensor disposed in exhaust system

 #209
20140346041
2014-11-27

Control device for exhaust gas sensor

 #210
20140338422
2014-11-20

In situ heated oxygen probe with intrinsically safe output

 #211
20140305798
2014-10-16

A/F sensor element and method of manufacturing the same

 #212
20140291410
2014-10-02

Sensor temperature control apparatus

 #213
20140284315
2014-09-25

Sensor element and exhaust gas sensor having a sensor element

 #214
20140262838
2014-09-18

Microelectrochemical sensor and method for operating a microelectrochemical sensor

 #215
20140262834
2014-09-18

Microelectrochemical sensor and method for operating a microelectrochemical sensor

 #216
20140262827
2014-09-18

Microelectrochemical sensor and method for operating a microelectrochemical sensor

 #217
20140144777
2014-05-29

Gas sensor

 #218
20140090363
2014-04-03

Heater control device of oxygen concentration sensor

 #219
20140090361
2014-04-03

Emission control with a particulate matter sensor

 #220
20140048415
2014-02-20

Apparatus and process for gas sensor control

 #221
20140034495
2014-02-06

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

 #222
20130334043
2013-12-19

Gas sensor

 #223
20130327124
2013-12-12

Method for setting a temperature of a sensor element

 #224
20130305812
2013-11-21

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

 #225
20130264203
2013-10-10

LOW COST CO-FIRED SENSOR HEATING CIRCUIT

 #226
20130205870
2013-08-15

Gas sensor control apparatus

 #227
20130133399
2013-05-30

Sensor control apparatus and sensor control system

 #228
20130048627
2013-02-28

Ceramic heater and gas sensor element

 #229
20130000383
2013-01-03

Gas sensor

 #230
20120273369
2012-11-01

Gas sensor apparatus and method for controlling the same

 #231
20120247957
2012-10-04

Gas sensor

 #232
20120199478
2012-08-09

NOx sensor control apparatus

 #233
20120160008
2012-06-28

Apparatus for analyzing gas information

 #234
20120102917
2012-05-03

Control system and method for heating an oxygen sensor

 #235
20120055790
2012-03-08

Gas Sensor Assembly with Interior Heat Dissipation, Sealing, and Support Plug

 #236
20110314893
2011-12-29

OXYGEN SENSOR CONTROLLER AND OXYGEN SENSOR CONTROL METHOD

 #237
20110265551
2011-11-03

Emission control with a particulate matter sensor

 #238
20110259084
2011-10-27

GAS SENSOR UNIT

 #239
20110246090
2011-10-06

Gas sensor control device

 #240
20110240625
2011-10-06

Ceramic heater

 #241
20110186446
2011-08-04

Method for producing a subminiature “micro-chip” oxygen sensor for control of internal combustion engines or other combustion processes, oxygen sensor and an exhaust safety switch

 #242
20110162436
2011-07-07

Sensor element containing a sealing element for a functional component

 #243
20110155113
2011-06-30

Device for determining activation of exhaust gas sensor and control device for internal combustion engine

 #244
20110108419
2011-05-12

HEATED BISTABLE SENSOR HAVING SIMPLIFIED ELECTRICAL CONTACTING

 #245
20110061444
2011-03-17

Ceramic heater and gas sensor including the same

 #246
20100294300
2010-11-25

Ceramic heater, oxygen sensor and hair iron that use the ceramic heater

 #247
20100264900
2010-10-21

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

 #248
20100242445
2010-09-30

Control apparatus and method for air-fuel ratio sensor

 #249
20100225339
2010-09-09

Detection method for defect of sensor

 #250
20100224491
2010-09-09

Solid-State Electrolyte Gas-Sensor Element

 #251
20100218751
2010-09-02

Method for heating a gas sensor

 #252
20100108540
2010-05-06

Apparatus and process for gas sensor control

 #253
20100101950
2010-04-29

Ceramic junction member, ceramic heater and gas sensor

 #254
20100101303
2010-04-29

Gas concentration detection apparatus

 #255
20100096264
2010-04-22

Multilayer ceramic NOgas sensor device

 #256
20100084287
2010-04-08

Anomaly diagnosing apparatus and anomaly diagnosing method for gas sensor

 #257
20100073017
2010-03-25

Method for operating a heatable exhaust gas probe

 #258
20090314059
2009-12-24

CERAMIC HEATER

 #259
20090308748
2009-12-17

Sensor element having improved thermal properties for determining a gas component

 #260
20090308135
2009-12-17

Method for determining the temperature of a measurement sensor

 #261
20090294285
2009-12-03

Co-fired gas sensor

 #262
20090250344
2009-10-08

Gas sensor

 #263
20090242400
2009-10-01

Gas sensor, NOx sensor and method of manufacturing gas sensor

 #264
20090173327
2009-07-09

Control system for an exhaust gas sensor

 #265
20090173326
2009-07-09

Control system for an exhaust gas sensor

 #266
20090173325
2009-07-09

Control system for an exhaust gas sensor

 #267
20090173324
2009-07-09

Control system for an exhaust gas sensor

 #268
20090141769
2009-06-04

Temperature maintenance system for a sensor

 #269
20090114536
2009-05-07

SENSOR CONTROL DEVICE

 #270
20090107839
2009-04-30

Gas sensor

 #271
20090095640
2009-04-16

Humidity control apparatus for electrochemical sensors

 #272
20090077953
2009-03-26

Device and method of controlling exhaust gas sensor temperature, and recording medium for exhaust gas sensor temperature control program

 #273
20090071951
2009-03-19

Temperature Control Apparatus for Heater-Equipped Sensor

 #274
20090051373
2009-02-26

Gas sensor control apparatus

 #275
20090050480
2009-02-26

EXHAUST GAS SENSOR

 #276
20090050479
2009-02-26

EXHAUST GAS SENSOR

 #277
20080314748
2008-12-25

GAS SENSOR

 #278
20080295576
2008-12-04

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Ceramic Insulating Material and Sensor Element Containing a Ceramic Insulating Material

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2008-10-02

Ceramic heater, gas sensor, and method of producing ceramic heater

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Ceramic heater and gas sensor element

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Multilayer gas sensor having dual heating zones

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Control circuit for multiple oxygen sensor heater elements

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System for controlling exhaust gas sensor having heater

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Ceramic Laminate

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2007-07-12

Heater controlling apparatus for gas sensor

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2007-06-07

Control system for an exhaust gas sensor

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Method of estimating the temperature of an oxygen sensor heating element

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2007-01-18

Multilayer ceramic NOgas sensor device

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Gas concentration measuring apparatus designed to establish quick determination of degree of activation of gas sensor

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Method for controlling the operation of a probe

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Electrochemical sensor

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Solid-electrolyte sensing elements provided with a hollow element for thermal expansion

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Temperature feedback control for solid state gas sensors

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2006-05-18

Sensor impedance measuring apparatus for improving measurement accuracy of gas sensor

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Gas sensor heating device insulation

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Device and method of controlling exhaust gas sensor temperature, and recording medium for exhaust gas sensor temperature control program

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Sensor element

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Compensated open-loop control of oxygen sensor heater