ClassID:

168438

G01N27/16 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Recent Application in this class:
#1
20260118333
2026-04-30

HYBRID HYDROGEN SENSOR AND METHOD OF CONTROLLING THE SAME

#2
20250347645
2025-11-13

METHODS FOR DETERMINING AT LEAST ONE PROPERTY OF A MATERIAL

#3
20240345013
2024-10-17

CATALYTIC COMBUSTION TYPE HYDROGEN SENSOR AND MANUFACTURING METHOD THEREFOR

#4
20240328981
2024-10-03

GAS SENSOR

#5
20240118229
2024-04-11

GAS SENSOR WITH IMPROVED SENSITIVITY AND GAS SENSOR COMPONENT

#6
20240060944
2024-02-22

CHEMO-RESISTIVE GAS SENSING DEVICE COMPRISING A CATALYTIC GAS FILTER ARRANGEMENT

#7
20230384278
2023-11-30

METHOD, APPARATUS AND SYSTEM FOR MONITORING SENSOR HEALTH AND GAS RESPONSE FOR CATALYTIC PELLISTOR POISONING

#8
20230375492
2023-11-23

METHODS AND APPARATUS FOR SENSING VOLATILE ORGANIC COMPOUNDS AND GASES RELEASED FROM ELECTROCHEMICAL CELLS

#9
20230349853
2023-11-02

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

#10
20230304950
2023-09-28

METHODS FOR DETERMINING AT LEAST ONE PROPERTY OF A MATERIAL

#11
20230194494
2023-06-22

Hydrogen sensor and method for manufacturing the same

#12
20230152289
2023-05-18

Gas sensor with separate contaminant detection element

#13
20230034945
2023-02-02

Contact combustion type hydrogen sensor and method for manufacturing same

#14
20220326169
2022-10-13

Gas detection device with a detector and a compensator and gas detection process

#15
20220299461
2022-09-22

Heater Meander

#16
20220268722
2022-08-25

GAS DETECTION DEVICE WITH A DETECTOR AND WITH A COMPENSATOR AND GAS DETECTION PROCESS WITH SUCH A GAS DETECTION DEVICE

#17
20220170898
2022-06-02

Gas sensing systems and methods of operation thereof

#18
20220113271
2022-04-14

GAS CONCENTRATION DETECTION METHOD, GAS CONCENTRATION DETECTION DEVICE, AND GAS GENERATION SYSTEM

#19
20220026385
2022-01-27

Monitoring of gases produced in an insulating-means circuit

#20
20210396727
2021-12-23

Method, apparatus, and system for recovering a sensor from silicone poisoning

#21
20210318281
2021-10-14

LEVEL MEASURING AND GAS DETECTION SYSTEM

#22
20210310972
2021-10-07

PARTICULATE-MATTER DETECTING SENSOR ELEMENT

#23
20210310906
2021-10-07

Gas detection device and gas detection method

#24
20210255131
2021-08-19

Combustible gas sensor

#25
20210199611
2021-07-01

Particulate-matter detecting sensor element

#26
20210181171
2021-06-17

Dynamic comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures

#27
20210181135
2021-06-17

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

#28
20210148845
2021-05-20

Sensor device, method for manufacturing a sensor device and sensor assembly

#29
20210123392
2021-04-29

Particulate matter sensor

#30
20210109052
2021-04-15

POWER REDUCTION IN COMBUSTIBLE GAS SENSORS

#31
20210096095
2021-04-01

Gas sensor with improved sensitivity and gas sensor component

#32
20200400601
2020-12-24

Sensor and method for detecting combustible gas

#33
20200393432
2020-12-17

Gas sensor with separate contaminant detection element

#34
20200363358
2020-11-19

Systems and methods for determining at least one property of a material

#35
20200355636
2020-11-12

Methods for determining at least one property of a material

#36
20200347771
2020-11-05

Resistive based NOx sensing method and apparatus

#37
20200333277
2020-10-22

Single cantilever gas sensor, sensor array, and manufacturing method thereof

#38
20200323041
2020-10-08

Method for producing an electromigration-resistant crystalline transition-metal silicide layer, a corresponding layer sequence, and a micro heater

#39
20200319153
2020-10-08

Gas sensing systems and methods of operation thereof

#40
20200315413
2020-10-08

Adjustable gas detection device for coal bed

#41
20200249188
2020-08-06

Semiconductor device having a porous metal oxide film and a semiconductor substrate with a connection electrically connected to the porous metal oxide film

#42
20200166470
2020-05-28

Method and system for multi-sensor gas detection

#43
20200088669
2020-03-19

Method for operating a sensor device

#44
20200088664
2020-03-19

Gas sensing device and a method for sensing gas

#45
20200049647
2020-02-13

Sensor device and electronic assembly

#46
20200041435
2020-02-06

Sensor

#47
20200025701
2020-01-23

Power reduction in combustible gas sensors

#48
20190376919
2019-12-12

CONTACT COMBUSTION TYPE GAS SENSOR AND METHOD FOR MANUFACTURING THE SAME

#49
20190353607
2019-11-21

Gas sensor

#50
20190331626
2019-10-31

Thermally insulated microsystem

#51
20190212288
2019-07-11

Identification of combustible gas species via pulsed operation of a combustible gas sensor

#52
20190178829
2019-06-13

Gas sensor

#53
20190178827
2019-06-13

Heat tone sensor as well as measuring element for a heat tone sensor

#54
20190170675
2019-06-06

Force sensor array having an energy-absorbing film layer with an elastic deformability that converts kinetic energy into heat energy

#55
20190078491
2019-03-14

Resistive based NOx sensing method and apparatus

#56
20190064106
2019-02-28

Robust GMOs

#57
20190063994
2019-02-28

INSPECTION APPARATUS AND INSPECTION SYSTEM

#58
20190056340
2019-02-21

Particulate matter detection system and method

#59
20190041353
2019-02-07

Gas sensor

#60
20190041347
2019-02-07

Gas sensor

#61
20190033274
2019-01-31

Gas sensing systems and methods of operation thereof

#62
20190025233
2019-01-24

Gas detection method and gas detector

#63
20180353885
2018-12-13

FILTER FOR SULFUR COMPOUNDS

#64
20180335412
2018-11-22

Comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures

#65
20180335411
2018-11-22

Dynamic comparative diagnostics for catalytic structures and combustible gas sensors including catalytic structures

#66
20180335398
2018-11-22

Ionic-conducting resistor for exhaust constituent sensors

#67
20180271403
2018-09-27

BREATH SENSOR

#68
20180188196
2018-07-05

System and method for determining one or more fluid concentrations in a fluid stream

#69
20180128763
2018-05-10

Identification of combustible gas species via pulsed operation of a combustible gas sensor

#70
20180106745
2018-04-19

Gas sensor

#71
20180059021
2018-03-01

Electronic devices with environmental sensors

#72
20180052124
2018-02-22

Systems and methods for determining at least one property of a material

#73
20170350852
2017-12-07

Pulse operating method for FET-type sensor having horizontal floating gate

#74
20170343502
2017-11-30

Environment sensor system

#75
20170343500
2017-11-30

Micro-hotplate devices with ring structures

#76
20170322103
2017-11-09

System and methods for monitoring leaks in underground storage tanks

#77
20170219508
2017-08-03

Apparatus, system, and method for catalyst presence detection

#78
20170115196
2017-04-27

Measurement device, measurement system, and measurement method for measuring particle and gas

#79
20170038326
2017-02-09

Highly selective nanostructure sensors and methods of detecting target analytes

#80
20160238546
2016-08-18

Method for the quantitative analysis of the composition of a gas mixture and associated measuring device

#81
20160216223
2016-07-28

Multisensing Multiparameter Design Using Dynamic Parallel Resistances on Sensing Element Substrate

#82
20160178412
2016-06-23

Gas sensor, measuring element for a gas sensor and method for preparing a measuring element

#83
20160169138
2016-06-16

Oxygen sensor control responsive to resistance and impedance

#84
20160084786
2016-03-24

Gas detecting device and method thereof

#85
20160077032
2016-03-17

Catalysis combustion type gas sensor

#86
20160077031
2016-03-17

Integrated chemical sensor chip

#87
20150253272
2015-09-10

Explosion-proof miniaturized combustible gas sensor

#88
20150153294
2015-06-04

Gas detector

#89
20140348709
2014-11-27

Combustible gas sensors including integral support structures and combustible gas sensor with multiple active elements

#90
20140348708
2014-11-27

COMBUSTIBLE GAS SENSORS INCLUDING INTEGRAL SUPPORT STRUCTURES AND COMBUSTIBLE GAS SENSOR WITH MULTIPLE ACTIVE ELEMENTS

#91
20140342459
2014-11-20

Method for recognizing sensor poisonings and test station for carrying out the method

#92
20140273263
2014-09-18

Diagnostics for catalytic structures and combustible gas sensors including catalytic structures

#93
20140273262
2014-09-18

CATALYTIC COMBUSTION TYPED GAS SENSOR

#94
20140105790
2014-04-17

Chemoresistor type gas sensor having a multi-storey architecture

#95
20130285682
2013-10-31

Gas sensor

#96
20130058831
2013-03-07

CATALYTIC COMBUSTION TYPED GAS SENSOR

#97
20130044787
2013-02-21

Thermal sensor and platform

#98
20120318037
2012-12-20

Compensated gas detectors

#99
20120315705
2012-12-13

Apparatuses and methods for detecting the production of methamphetamine

#100
20120291522
2012-11-22

Gas sensor

#101
20120288411
2012-11-15

Gas sensor

#102
20120201715
2012-08-09

Hydrogen detection system

#103
20120103067
2012-05-03

Method for detecting a gas contained in a fluid with use of a gas sensor

#104
20110302991
2011-12-15

Thermally insulating ceramic substrates for gas sensors

#105
20110263035
2011-10-27

Determining oxygen concentration in ullage using catalytic oxidation

#106
20110209527
2011-09-01

Gas sensor

#107
20110158854
2011-06-30

HYDROGEN CONCENTRATION MEASURING INSTRUMENT

#108
20110143449
2011-06-16

Apparatus, system, and method for catalyst presence detection

#109
20110100090
2011-05-05

Combustible gas sensors including integral support structures and combustible gas sensor with multiple active elements

#110
20110094880
2011-04-28

Explosion-proof sensor

#111
20100301871
2010-12-02

GAS SENSOR

#112
20100221148
2010-09-02

COMBUSTIBLE GAS SENSOR

#113
20100192675
2010-08-05

Explosion-proof gas sensor without pressure-proof housing

#114
20100176094
2010-07-15

Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensor

#115
20100175995
2010-07-15

Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensor

#116
20090324449
2009-12-31

Gas detection apparatus

#117
20090312954
2009-12-17

Sensor

#118
20090249859
2009-10-08

Catalytic combustion type gas sensor, sensing element and compensating element for the same

#119
20090241637
2009-10-01

Device for recording measurement data

#120
20090223278
2009-09-10

Gas sensor with smart pellistor

#121
20090188297
2009-07-30

Temperature and humidity compensated single element pellistor

#122
20090120162
2009-05-14

Gas sensors with thermally insulating ceramic substrates

#123
20090087921
2009-04-02

VAPORIZED HYDROGEN PEROXIDE CONCENTRATION DETECTOR

#124
20090035184
2009-02-05

HYDROGEN GAS SENSOR

#125
20090031784
2009-02-05

Hydrogen gas sensor

#126
20090016934
2009-01-15

Gas sensor with at least one catalytic measuring element

#127
20090013759
2009-01-15

WOBBE INDEX SENSOR SYSTEM

#128
20080282771
2008-11-20

Apparatus and method for detecting combustible gas within atmosphere to be detected

#129
20080257732
2008-10-23

Gas sensor

#130
20080226505
2008-09-18

Gas Sensor Assembly With Catalytic Element

#131
20080219895
2008-09-11

Gas sensor

#132
20080156076
2008-07-03

Low power combustible gas sensor

#133
20080156074
2008-07-03

Gas sensor test system and methods related thereto

#134
20080156071
2008-07-03

GAS SENSOR CALIBRATION FROM FLUID

#135
20080134757
2008-06-12

Method And Apparatus For Monitoring Plasma Conditions In An Etching Plasma Processing Facility

#136
20080101434
2008-05-01

Sensor device and method for qualitative and quantitative analysis of gas phase substances

#137
20080092628
2008-04-24

Gas sensor

#138
20080038590
2008-02-14

Combustible gas detector, process for producing combustible gas detector, and fuel cell system equipped with combustible gas detector

#139
20080034841
2008-02-14

Process for measuring the concentration of gases

#140
20070274868
2007-11-29

Combustible gas pellistor

#141
20070212263
2007-09-13

Micro Thermoelectric Type Gas Sensor

#142
20070209936
2007-09-13

Heater coil for gas sensor, detection element for gas sensor, contact combustion type gas sensor, and method for manufacturing contact combustion type gas sensor

#143
20070089481
2007-04-26

Portable gas meter

#144
20060289400
2006-12-28

Catalytic combustion type gas sensor

#145
20060266103
2006-11-30

Process for measuring the concentration of gases

#146
20060257289
2006-11-16

Circuit with at least one catalytic measuring element

#147
20060243029
2006-11-02

Gas sensor for detecting combustible gases

#148
20060219552
2006-10-05

Gas sensor

#149
20060211253
2006-09-21

Method and apparatus for monitoring plasma conditions in an etching plasma processing facility

#150
20060162426
2006-07-27

Gas sensor

#151
20060133962
2006-06-22

Contact combustion gas sensor

#152
20060131186
2006-06-22

Hydrogen sensor, apparatus for measuring hydrogen concentration, and method for measuring hydrogen concentration

#153
20060081227
2006-04-20

Gas sensor units for engines

#154
20060063291
2006-03-23

Thermoelectric transducing material thin film, sensor device, and its manufacturing method

#155
20060042965
2006-03-02

Method of starting, stopping and operating gas sensor with built-in heater

#156
20060032745
2006-02-16

Gas sensing device

#157
20060019402
2006-01-26

Method of warning of poisoning in poison resistant combustible gas sensors

#158
20050284208
2005-12-29

Gas detecting apparatus, gas detecting method and fuel cell vehicle

#159
20050220672
2005-10-06

Sensing element for catalytic combustion type gas sensor

#160
20050199037
2005-09-15

Pump for supplying a gas to a sensor and methods therefor

#161
20050155405
2005-07-21

Method and device for diagnosing gas sensor degradation

#162
20050072212
2005-04-07

Control device of gas sensor

#163
20050061055
2005-03-24

Control device used for a gas sensor

#164
20050042141
2005-02-24

Gas sensor

#165
14788352
2016-10-04

Gas sensor, integrated circuit device using the same, and manufacturing method thereof