ClassID:

168485

G01N27/4045 - 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 with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen

Recent Application in this class:
#1
20260098831
2026-04-09

MOISTURE REGULATING ELECTROCHEMICAL SENSORS FOR LOW AND HIGH HUMIDITY ENVIRONMENTS

#2
20260026722
2026-01-29

ELECTROLYTE FOR AN ELECTROCHEMICAL GAS SENSOR AND BLOOD GAS MONITORING

#3
20250341490
2025-11-06

ELECTROLYTE FOR ELECTROCHEMICAL GAS SENSOR AND ELECTROCHEMICAL GAS SENSOR INCLUDING THE SAME

#4
20250271393
2025-08-28

PORTABLE BIOSENSOR SYSTEM WITH VERTICAL GRAPHENE ARRAY

#5
20250137982
2025-05-01

Telemetric Sensor System for Sub PPM Hydrogen Detection and Quantification

#6
20250123233
2025-04-17

SYSTEMS AND METHODS FOR MONITORING OF ACETONE

#7
20250060330
2025-02-20

Efficacy-Monitored Sensing System and Method

#8
20240418673
2024-12-19

MULTI-PART NONTOXIC PRINTED BATTERIES

#9
20240319129
2024-09-26

METHANE SENSOR

#10
20240201180
2024-06-20

PLATINUM ELECTRODE SYSTEM

#11
20240102958
2024-03-28

ELECTROCHEMICAL GAS SENSOR ASSEMBLY

#12
20240094159
2024-03-21

ELECTROCHEMICAL GAS SENSOR AND FABRICATION METHOD THEREFOR

#13
20240060929
2024-02-22

Ethylene receptor biosensor

#14
20230341352
2023-10-26

Electrochemical exhaust gas sensor with photolysis

#15
20230296554
2023-09-21

ELECTROCHEMICAL SENSOR AND RELATED METHODS

#16
20230176006
2023-06-08

PERFLUORO ACID SENSOR AND METHOD OF USE

#17
20230168223
2023-06-01

Multi-part nontoxic printed batteries

#18
20230160848
2023-05-25

System and method for determining an ambient concentration of compositions for bathroom cleaning

#19
20230137889
2023-05-04

Electrochemical sensor with opening between solid elements

#20
20230120802
2023-04-20

MOISTURE REGULATING ELECTROCHEMICAL SENSORS FOR LOW AND HIGH HUMIDITY ENVIRONMENTS

#21
20230109455
2023-04-06

Selective real-time gas sensing

#22
20230071346
2023-03-09

METHODS, APPARATUSES, AND SYSTEMS PROVIDING GAS DETECTING APPARATUSES AND SENSING COMPONENTS WITH FILTERING ELEMENTS

#23
20230041069
2023-02-09

ELECTROLYTE FOR ELECTROCHEMICAL GAS SENSOR AND ELECTROCHEMICAL GAS SENSOR INCLUDING THE SAME

#24
20220412876
2022-12-29

SULFIDATION DETECTION SENSOR

#25
20220276196
2022-09-01

Gas sensor device containing lithium garnet

#26
20220240808
2022-08-04

DISPOSABLE WEARABLE SENSOR FOR CONTINUOUS MONITORING OF BREATH BIOCHEMISTRY

#27
20220196622
2022-06-23

Electrochemical gas sensor

#28
20220057357
2022-02-24

All-electronic high-throughput analyte detection system

#29
20210372963
2021-12-02

Ethylene receptor biosensor

#30
20210278362
2021-09-09

ELECTROCHEMICAL DETECTION OF NITRO-CONTAINING COMPOUNDS

#31
20210262998
2021-08-26

Method and apparatus for measuring humidity using an electrochemical gas sensor

#32
20210262973
2021-08-26

Retaining cap

#33
20210181145
2021-06-17

Analyte sensing device

#34
20210181142
2021-06-17

ELECTROCHEMICAL VINYL CHLORIDE SENSOR AND METHOD OF USING THE SAME

#35
20210172905
2021-06-10

Sensing device for detecting analytes in batteries

#36
20210172904
2021-06-10

Container including analyte sensing device

#37
20210172901
2021-06-10

Electrochemical gas sensor assembly

#38
20210148852
2021-05-20

ELECTROCHEMICAL DEVICE

#39
20210148850
2021-05-20

Electrochemical sensor and method of forming thereof

#40
20210116411
2021-04-22

ELECTROCHEMICAL GAS SENSOR

#41
20210102914
2021-04-08

MEMBRANE-BASED WATER QUALITY SENSOR

#42
20210101914
2021-04-08

Method to make scalable ultrathin hexagonally faceted metal-organic framework (MOF) and method of using same for detecting explosives and other nitro-aromatic compounds

#43
20210088470
2021-03-25

Liquid electrolyte for an electrochemical gas sensor

#44
20200363368
2020-11-19

Interface circuit for an electrochemical sensor

#45
20200355643
2020-11-12

ELECTROCHEMICAL SENSORS AND PACKAGING AND RELATED METHODS

#46
20200326299
2020-10-15

ELECTROCHEMICAL GAS SENSOR AND ELECTROLYTE FOR AN ELECTROCHEMICAL GAS SENSOR

#47
20200319155
2020-10-08

Method and apparatus for measuring humidity using an electrochemical gas sensor

#48
20200319137
2020-10-08

Electrochemical gas sensor with varying bias voltage and environmental compensation

#49
20200300806
2020-09-24

MICRO-ELECTROCHEMICAL SENSOR

#50
20200292487
2020-09-17

Resonant gas sensor

#51
20200292484
2020-09-17

Ethylene receptor biosensor

#52
20200278316
2020-09-03

Multi-part nontoxic printed batteries

#53
20200271617
2020-08-27

Electrochemical hydrogen sensor

#54
20200264125
2020-08-20

Electrochemical ethylene biosensor

#55
20200256827
2020-08-13

Resonant gas sensor

#56
20200200699
2020-06-25

Two-dimensional material based ion exchange membrane sensors

#57
20200182823
2020-06-11

Electrochemical sensor with opening between solid elements

#58
20200182822
2020-06-11

Electrochemical sensor with thin film guard electrode

#59
20200018719
2020-01-16

GAS SENSOR, GAS SENSOR SYSTEM, AND METHOD OF MAKING AND USING A GAS SENSOR AND GAS SENSOR SYSTEM

#60
20190376923
2019-12-12

Method for cleaning, conditioning, calibration and/or adjustment of an amperometric sensor

#61
20190360958
2019-11-28

Gas sensor and method for manufacturing same

#62
20190323985
2019-10-24

Using a biased electrochemical sensor for acrylonitrile detection

#63
20190317043
2019-10-17

Electrochemical gas sensor for detecting hydrogen cyanide gas

#64
20190302077
2019-10-03

Ammonia sensor element and gas sensor

#65
20190277801
2019-09-12

Method and apparatus for electrolyte concentration measurement in an electrochemical sensor

#66
20190265190
2019-08-29

Method and apparatus of electrolyte concentration measurement

#67
20190242847
2019-08-08

Retaining cap

#68
20190227025
2019-07-25

Stabilization of sensor signal in electrochemical gas sensors

#69
20190219536
2019-07-18

Electrochemical sensor with small opening

#70
20190204265
2019-07-04

Resonant gas sensor

#71
20190170679
2019-06-06

Electrochemical method to determine the sensitivity of a gas sensor by pulse sequences

#72
20190154625
2019-05-23

All-electronic high-throughput analyte detection system

#73
20190152995
2019-05-23

Method to make scalable ultrathin hexagonally faceted metal-organic framework (MOF) and method of using same for detecting explosives and other nitro-aromatic compounds

#74
20190137440
2019-05-09

Electrochemical gas sensor constructed with MEMS fabrication technology

#75
20190101506
2019-04-04

Electrochemical gas sensor, liquid electrolyte and use of a liquid electrolyte in an electrochemical gas sensor

#76
20190094171
2019-03-28

Method of forming electrochemical gas sensor

#77
20190079046
2019-03-14

Selective real-time gas sensing

#78
20190041351
2019-02-07

MEMS ELECTROCHEMICAL GAS SENSOR

#79
20190036136
2019-01-31

Alcohol detecting fuel cell

#80
20190025246
2019-01-24

Method for decreasing baseline under high temperature of gas sensor

#81
20190025243
2019-01-24

Electrochemical sensor

#82
20190011393
2019-01-10

Sensor

#83
20190011392
2019-01-10

Electronic device with actuating and sensing module

#84
20190011391
2019-01-10

ELECTRONIC DEVICE WITH ACTUATING AND SENSING MODULE

#85
20190011390
2019-01-10

ACTUATING AND SENSING MODULE

#86
20190004008
2019-01-03

Gas sensor element and gas sensor

#87
20190004006
2019-01-03

POTENTIOSTAT CIRCUIT

#88
20180372675
2018-12-27

Compact gas sensor including a MEMS element having capillaries to facilitate gas diffusion

#89
20180372673
2018-12-27

Electrochemical detection of nitro-containing compounds

#90
20180313778
2018-11-01

Sensing device

#91
20180292348
2018-10-11

MEMBRANE-BASED WATER QUALITY SENSOR

#92
20180266984
2018-09-20

ELECTROCHEMICAL SENSOR AND ELECTRONICS ON A CERAMIC SUBSTRATE

#93
20180266983
2018-09-20

ELECTROCHEMICAL SENSOR

#94
20180252668
2018-09-06

ELECTROCHEMICAL CARBON DIOXIDE COMPRESSORS USING ANION EXCHANGE MEMBRANE

#95
20180231494
2018-08-16

Electrochemical gas sensor system with improved accuracy and speed

#96
20180217087
2018-08-02

Electrode and sensor apparatus and related methods for detection of nitric oxide and peroxynitrate

#97
20180149616
2018-05-31

BREATHER SLOTS AND VENTING RESERVOIR

#98
20180149615
2018-05-31

SEPARATE COMPRESSION OF WETTING AND CONTACT SECTIONS

#99
20180143157
2018-05-24

Wicking channels

#100
20180136162
2018-05-17

ELECTROCHEMICAL SENSORS FOR TESTING WATER

#101
20180080894
2018-03-22

Sensor with multiple inlets

#102
20180059044
2018-03-01

Electrochemical sensor, and a method of forming an electrochemical sensor

#103
20180045672
2018-02-15

Printed gas sensor

#104
20180031516
2018-02-01

Electrochemical gas sensor and electrolyte for an electrochemical gas sensor

#105
20180024090
2018-01-25

Formaldehyde detecting apparatus, and air treatment apparatus having the same

#106
20170322170
2017-11-09

Integrated gas sensor device, in particular for detecting carbon monoxide (CO)

#107
20170299542
2017-10-19

Electrochemical chlorine gas sensor and fabrication thereof

#108
20170276634
2017-09-28

Electrochemical gas sensor, filter and methods

#109
20170269027
2017-09-21

Detection of refrigerant contaminants

#110
20170248541
2017-08-31

Sensor for volatile organic compound detection

#111
20170227488
2017-08-10

Chlorine Detection With Pulsed Amperometric Detection

#112
20170176377
2017-06-22

Pulsed potential gas sensors

#113
20170131230
2017-05-11

Electrochemical sensors and packaging and related methods

#114
20170082605
2017-03-23

Rapid small volume detection of blood ammonia

#115
20170082569
2017-03-23

Electrode for an electrochemical gas sensor, manufacturing method for an electrode, and use of an electrode

#116
20170059509
2017-03-02

Electrochemical gas sensor

#117
20170045472
2017-02-16

Electrochemical cell

#118
20170030893
2017-02-02

Rapid small volume detection of blood ammonia

#119
20170010231
2017-01-12

Gas sensor with frequency measurement of impedance

#120
20160372769
2016-12-22

Method of compressing fuel cell electrodes, resultant fuel cell, and a housing for the fuel cell which utilizes electrolyte reservoirs

#121
20160252297
2016-09-01

Gas sensor module, refrigerator having the same and control method for the refrigerator

#122
20160231303
2016-08-11

Hydrogen sensor element for measuring concentration of hydrogen gas dissolved in liquid and method for measuring concentration of hydrogen gas using same

#123
20160146751
2016-05-26

Membranes for use in electrochemical sensors and associated devices

#124
20160116430
2016-04-28

Liquid electrolyte for an electrochemical gas sensor

#125
20160103092
2016-04-14

Electrochemical gas sensor, liquid electrolyte and use of a liquid electrolyte in an electrochemical gas sensor

#126
20160041147
2016-02-11

Composition for the detection of alcohol vapors in an air sample

#127
20160033446
2016-02-04

Devices and methods for measuring analyte concentration

#128
20160033445
2016-02-04

Gas sensor with partitioned filter

#129
20160011143
2016-01-14

Electrochemical gas sensors with ionic liquid electrolyte systems

#130
20160011142
2016-01-14

Hydrogen sulfide sensor and method

#131
20150353742
2015-12-10

Metal paste for gas sensor electrode formation

#132
20150346139
2015-12-03

Peracetic acid concentration meter

#133
20150346135
2015-12-03

Electrochemical gas sensor

#134
20150338370
2015-11-26

Electrochemical sensor for sensing nitrous oxide

#135
20150330938
2015-11-19

METHOD AND APPARATUS FOR MONITORING GAS CONCENTRATION

#136
20150247818
2015-09-03

Electrochemical hydrogen sensor

#137
20150241382
2015-08-27

Electrochemical gas sensor

#138
20150241381
2015-08-27

Fuel cell for use in an alcohol breath tester

#139
20150241375
2015-08-27

Electrochemical sensor

#140
20150226702
2015-08-13

Rapid small volume detection of blood ammonia

#141
20150177173
2015-06-25

Chlorine detection with pulsed amperometric detection

#142
20150167445
2015-06-18

Downhole electrochemical fluid sensor and method of using same

#143
20150136616
2015-05-21

MEASURING APPARATUS AND METHOD FOR DETECTING THE HYDROCARBON FRACTION IN GASES WHILE TAKING INTO ACCOUNT CROSS-SENSITIVITIES

#144
20150129435
2015-05-14

Electrochemical total organic carbon analyzer

#145
20150083592
2015-03-26

Gas sensor using an ionic liquid electrolyte

#146
20150068895
2015-03-12

Device for measuring the free chloride content of water

#147
20150027884
2015-01-29

Method of compressing fuel cell electrodes, resultant fuel cell, and a housing for the fuel cell which utilizes electrolyte reservoirs

#148
20150014165
2015-01-15

Solid state amperometric chloramine sensor

#149
20150001076
2015-01-01

Integrated gas sensor device, in particular for detecting carbon monoxide (CO)

#150
20140311905
2014-10-23

Printed gas sensor

#151
20140299470
2014-10-09

Electrochemical gas sensor with an ionic liquid as electrolyte for the detection of ammonia and amines

#152
20140251835
2014-09-11

Fuel cell fermentation monitor

#153
20140246316
2014-09-04

Cathodic materials for use in electrochemical sensors and associated devices and methods of manufacturing the same

#154
20140238855
2014-08-28

Sensor for fluid-soluble gas

#155
20140202856
2014-07-24

Miniaturised electrochemical sensor

#156
20140202855
2014-07-24

Electrochemical sensor device

#157
20140174154
2014-06-26

Gas sensing apparatus

#158
20140116880
2014-05-01

Cathodic materials for use in electrochemical sensors and associated devices and methods of manufacturing the same

#159
20140102898
2014-04-17

Sensors and sensor housing systems

#160
20140083864
2014-03-27

Electrochemical sensors for testing water

#161
20140027281
2014-01-30

Fuel cell for use in an alcohol breath tester

#162
20140021065
2014-01-23

DEVICE AND METHOD FOR MEASURING BIOMARKERS

#163
20140008221
2014-01-09

Nitric oxide microsensors via fluorosilane-based xerogel membranes

#164
20140008220
2014-01-09

Microfluidic nitric oxide sensor

#165
20130168244
2013-07-04

Carbon monoxide sensor with reduced hydrogen cross sensitivity

#166
20130153442
2013-06-20

Regenerative gas sensor

#167
20130087457
2013-04-11

Auxiliary gas diffusion electrodes for diagnostics of electrochemical gas sensors

#168
20130062223
2013-03-14

Carbon monoxide sensor system

#169
20130048496
2013-02-28

Sensors and sensor housing systems

#170
20130015064
2013-01-17

Sensors For Carbon Dioxide And Other End Uses

#171
20120247978
2012-10-04

Electrochemical ethylene sensor and method for monitoring ethylene

#172
20120241319
2012-09-27

Gas Detector Having Bipolar Counter/Reference Electrode

#173
20120125772
2012-05-24

Printed Gas Sensor

#174
20120073988
2012-03-29

Sensor for Measurement of Hydrogen Sulfide

#175
20120036921
2012-02-16

Amperometric electrochemical sensor and method for manufacturing same

#176
20120009495
2012-01-12

CONCENTRATION SENSOR USING AN ELECTROLYTIC CELL FOR AQUEOUS HYDROCARBON FUEL

#177
20110290672
2011-12-01

ELECTROCHEMICAL GAS SENSOR

#178
20110290671
2011-12-01

ELECTROCHEMICAL GAS SENSOR

#179
20110253534
2011-10-20

Electrochemical gas sensor with an ionic liquid electrolyte system including at least one monoalkylammonium, dialkylammonium, or trialkylammonium cation

#180
20110226619
2011-09-22

Electrochemical gas sensors with ionic liquid electrolyte systems

#181
20110212376
2011-09-01

AMPEROMETRIC SENSOR

#182
20110209997
2011-09-01

Electrochemical cells, and gas sensor and fuel cell devices comprising same

#183
20110174054
2011-07-21

DEVICE FOR MEASURING AIR QUALITY

#184
20110127163
2011-06-02

Low power amperometric probe

#185
20110048943
2011-03-03

Cathodic materials for use in electrochemical sensors and associated devices and methods of manufacturing the same

#186
20100320095
2010-12-23

DEVICE FOR MONITORING WATER QUALITY

#187
20100243480
2010-09-30

Measurement of hydrogen sulphide and thiols in fluids

#188
20100148780
2010-06-17

System and method for qualitative and quantitative analysis of gaseous components of multiphase hydrocarbon mixtures

#189
20100147705
2010-06-17

Amperometric Sensor and Method for the Detection of Gaseous Analytes Comprising A Working Electrode Comprising Edge Plane Pyrolytic Graphite

#190
20100051480
2010-03-04

Nitric oxide microsensors via fluorosilane-based xerogel membranes

#191
20100050735
2010-03-04

Gas Sensor

#192
20100012494
2010-01-21

Electrochemical gas sensor

#193
20090321278
2009-12-31

Electrochemical sensor

#194
20090272656
2009-11-05

Gas Sensor

#195
20090184005
2009-07-23

Sensor for Measurement of Hydrogen Sulfide

#196
20090166197
2009-07-02

Sensor apparatus for measuring and detecting acetylene and hydrogen dissolved in a fluid

#197
20090159464
2009-06-25

Electrode preconditioning

#198
20090127134
2009-05-21

Gas Sample Analysis

#199
20090120794
2009-05-14

Gas Sensor

#200
20090061772
2009-03-05

Apparatus for collecting environmental data and method of monitoring environment in real time

#201
20090007637
2009-01-08

GAS SENSOR

#202
20080289962
2008-11-27

ELECTROCHEMICAL SENSOR WITH DRY IONOMER MEMBRANE

#203
20080277290
2008-11-13

Gas sensor

#204
20080264789
2008-10-30

Film-type solid polymer ionomer sensor and sensor cell

#205
20080185297
2008-08-07

System and method for detecting gas

#206
20080128285
2008-06-05

ELECTROCHEMICAL GAS SENSOR CHIP AND METHOD OF MANUFACTURING THE SAME

#207
20070227909
2007-10-04

Electrochemical sensor having a mediator compound

#208
20070187241
2007-08-16

Electrochemical gas sensor with reduced wake-up time

#209
20070163893
2007-07-19

Electrochemical Method And Sensor For The Detection Of Traces Of Explosives

#210
20070158214
2007-07-12

Electrochemical method and system for detection of trace explosives

#211
20070158212
2007-07-12

Electrochemical method and sensor for the detection of traces of explosives

#212
20070131566
2007-06-14

Electrochemical method and system for detection of trace explosives

#213
20070131550
2007-06-14

Electrochemical gas sensor

#214
20070114137
2007-05-24

Residual chlorine measuring method and residual chlorine measuring device

#215
20070059584
2007-03-15

Electrode for use in electrochemical device, solid electrolyte/electrode assembly, and production method thereof

#216
20070045128
2007-03-01

CHLORINE DIOXIDE SENSOR

#217
20060266647
2006-11-30

Electrochemical gas sensor

#218
20060243603
2006-11-02

Methods and apparatus for the measurement of hydrogen sulphide and thiols in fluids

#219
20060237333
2006-10-26

Method for the detection of carbon monoxide in a hydrogen-rich gas stream

#220
20060234113
2006-10-19

Electrochemical cells, and gas sensor and fuel cell devices comprising same

#221
20060231397
2006-10-19

Porous electrode and process of producing the same

#222
20060196770
2006-09-07

Liquid electrochemical gas sensor

#223
20060193750
2006-08-31

Electrochemical detection of explosives in air

#224
20060180466
2006-08-17

Method and apparatus for providing an electrochemical sensor at an elevated temperature

#225
20060081470
2006-04-20

Electrochemical sensing circuit having high dynamic range

#226
20060075802
2006-04-13

Method and apparatus for enhanced detection of a specie using a gas chromatograph

#227
20060062694
2006-03-23

Gas sensor

#228
20060032742
2006-02-16

Laminated membranes for diffusion limited gas sensors resistant to pressure variations

#229
20050285599
2005-12-29

Polarographic densitometer

#230
20050269203
2005-12-08

Electrochemical sensor compensated for relative humidity

#231
20050194264
2005-09-08

Method and apparatus for improving the performance of an electrochemical sensor

#232
20050194252
2005-09-08

Electrochemical sensor having nonporous working electrode

#233
20050178186
2005-08-18

Gas sensor

#234
20050145493
2005-07-07

Electrochemical sensor

#235
20050126930
2005-06-16

Hybrid film type sensor

#236
20050109727
2005-05-26

Sonically-ablated sensor

#237
20050034987
2005-02-17

Solid polymer electrolyte oxygen sensor

#238
20050034985
2005-02-17

Atmospheric corrosion sensor

#239
20050029103
2005-02-10

Free chlorine sensor

#240
15070681
2018-06-05

Mobile electrochemical air quality meter

#241
14863251
2018-05-29

Mobile electrochemical air quality meter