ClassID:

168428

G01N27/121 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid for determining moisture content, e.g. humidity, of the fluid

Recent Application in this class:
#1
20260098829
2026-04-09

MOISTURE IN FLUID SENSOR

#2
20260000271
2026-01-01

SYSTEM TO ASSESS THE PRESENCE OF WATER AND/OR FOREIGN MATTER IN LUMINAL MEDICAL DEVICES

#3
20250377328
2025-12-11

DRYNESS SENSING DEVICE

#4
20250369919
2025-12-04

METHODS OF OPERATING AND CALIBRATING A GAS SENSOR, AND RELATED GAS SENSORS

#5
20250314606
2025-10-09

LA2O3-RGO NANOCOMPOSITE-BASED HUMIDITY SENSOR DEVICE AND ITS FABRICATION METHOD THEREOF

#6
20250271317
2025-08-28

STACKED SENSOR DEVICE

#7
20250186269
2025-06-12

INCONTINENCE DETECTION DEVICE

#8
20250146965
2025-05-08

SENSOR MODULE AND MANUFACTURING METHOD OF THE SAME

#9
20250137984
2025-05-01

DECOUPLED THERMODYNAMIC SENSING SYSTEM

#10
20250137958
2025-05-01

HUMIDITY BASED BEHAVIOR ADAPTATION

#11
20250130194
2025-04-24

SOIL MOISTURE DETECTION DEVICE AND SYSTEM

#12
20250115483
2025-04-10

Method for manufacturing a humidity alarm device based on laser-induced graphene

#13
20250067604
2025-02-27

MULTIFUNCTIONAL SENSOR AND DEVICE

#14
20250035577
2025-01-30

SYSTEM AND METHOD FOR FLUID SENSING

#15
20250012748
2025-01-09

SYSTEM AND METHOD FOR FLUID SENSING

#16
20240356575
2024-10-24

METHOD AND SYSTEM FOR DETERMINING MATERIAL CONTENT

#17
20240280525
2024-08-22

GAS IDENTIFICATION METHOD, AND GAS IDENTIFICATION SYSTEM

#18
20240255486
2024-08-01

Soil testing device

#19
20240255459
2024-08-01

Apparatus, System And Method For Monitoring External Properties Of Plant Equipment And/Or Pipe Work

#20
20240183812
2024-06-06

POROUS MOISTURE-SENSITIVE MEMBER, HUMIDITY SENSOR, AND RESPIRATION SENSING SYSTEM

#21
20240183811
2024-06-06

WETNESS SENSOR, METHOD AND SYSTEM FOR SENSING AN AMOUNT OF A WETTING AGENT

#22
20240053321
2024-02-15

Soil testing device

#23
20240053320
2024-02-15

Soil testing device

#24
20240044828
2024-02-08

SUBSTRATE, PACKAGE, SENSOR DEVICE, AND ELECTRONIC APPARATUS

#25
20240027382
2024-01-25

SYSTEM AND METHOD FOR FLUID SENSING

#26
20240011930
2024-01-11

System and method for gas sensing

#27
20230358698
2023-11-09

METHOD FOR CHARACTERIZING COMPOUNDS OF INTEREST IN A MEASURING CHAMBER HAVING A VARIATION IN RELATIVE HUMIDITY

#28
20230357047
2023-11-09

Process for synthesizing rare earth-doped cobalt-chromite pigments for capacitive and resistive humidity sensor applications

#29
20230324248
2023-10-12

WIRELESS MOISTURE DETECTION SYSTEM

#30
20230228697
2023-07-20

SENSOR

#31
20230221273
2023-07-13

Reduced graphene-cobalt chromate composite composition for humidity sensor applications and its fabrication process and system

#32
20230157903
2023-05-25

SENSOR, DETECTION SYSTEM, AND DETECTION METHOD

#33
20230124964
2023-04-20

CONSTRUCTION FOIL

#34
20230063005
2023-03-02

GAS DETECTION SYSTEM AND CONTROL METHOD FOR GAS DETECTION SYSTEM

#35
20220381731
2022-12-01

METHODS OF OPERATING AND CALIBRATING A GAS SENSOR, AND RELATED GAS SENSORS

#36
20220373492
2022-11-24

SYSTEM AND METHOD FOR FLUID SENSING

#37
20220373402
2022-11-24

SELF-CALIBRATION OF A POLYMER-BASED HUMIDITY SENSOR

#38
20220349758
2022-11-03

Wearable environmental sensor device and monitoring system

#39
20220346333
2022-11-03

STORAGE AND CURING RACKING SYSTEM FOR PLANT PRODUCTS

#40
20220244229
2022-08-04

Decoupled thermodynamic sensing system

#41
20220244209
2022-08-04

Wick fluid system

#42
20220202626
2022-06-30

Sensing panel for hygiene monitoring device

#43
20220178860
2022-06-09

Dynamic surface profile change in device for better gripping

#44
20220128501
2022-04-28

HUMIDITY-SENSITIVE COMPOSITE MATERIAL AND HUMIDITY SENSOR

#45
20220107286
2022-04-07

Apparatus, system and method for monitoring external properties of plant equipment and/or pipe work

#46
20220074903
2022-03-10

Sensing devices and calibration method thereof

#47
20220009781
2022-01-13

ONE-STEP GROWTH OF REDUCED GRAPHENE OXIDE ON ARBITRARY SUBSTRATES

#48
20210349045
2021-11-11

Humidity sensor and button device including the same

#49
20210341406
2021-11-04

Sensors comprising electrically-conductive protein nanowires

#50
20210293737
2021-09-23

Sensor platform

#51
20210270760
2021-09-02

Gas detection device and gas detection method

#52
20210255130
2021-08-19

Gas sensor

#53
20210247368
2021-08-12

METHOD AND APPARATUS TO GENERATE BREATH VOC SIGNATURES THAT CAN BE CORRELATED TO PHYSIOLOGICAL METRICS INDICATIVE OF SPECIFIC MEDICAL CONDITIONS

#54
20210247343
2021-08-12

Coal mine advanced detection method for heading machine

#55
20210247342
2021-08-12

SYSTEMS AND METHODS FOR AN AIR QUALITY MONITOR FOR DETECTING MULTIPLE LOW CONCENTRATION GAS LEVELS AND PARTICULATE MATTER

#56
20210227182
2021-07-22

MONITORING SYSTEM FOR PROVIDING BOTH VISUAL AND NON-VISUAL DATA

#57
20210223224
2021-07-22

MEAT QUALITY ANALYZER

#58
20210190716
2021-06-24

Composite sensor

#59
20210165366
2021-06-03

Humidity detection device and image forming apparatus

#60
20210140905
2021-05-13

Sensor tube of humidity sensor, tube assembly, and humidity sensor system

#61
20210116406
2021-04-22

Monolithic sensor arrangement, manufacturing method and measurement method

#62
20210109053
2021-04-15

Humidity sensor and RFID tag including the same

#63
20210055273
2021-02-25

Apparatus and method for measuring gas concentration

#64
20210018458
2021-01-21

Method for detecting moisture in an integrated circuit, and associated integrated circuit

#65
20210010964
2021-01-14

Sensor, composite material and method of manufacturing the same

#66
20210003460
2021-01-07

Measurement apparatus

#67
20200393406
2020-12-17

Graphite biosensor and circuit structure and method of manufacture

#68
20200386703
2020-12-10

Composite materials for sensing applications

#69
20200381144
2020-12-03

Method of fabricating suspended nanowire using heat treatment

#70
20200378684
2020-12-03

Cognitive dryness determination of garments

#71
20200340974
2020-10-29

DETECTING GASES AND RESPIRATION BY THE CONDUCTIVITY OF WATER WITHIN A POROUS SUBSTRATE SENSOR

#72
20200337257
2020-10-29

Moisture monitoring system with internet of things devices

#73
20200319242
2020-10-08

Insulation testing apparatus and method of the same

#74
20200300833
2020-09-24

Measuring humidity or moisture with sensor drift compensation

#75
20200300797
2020-09-24

Moisture detection element, exhaled gas detector, exhalation test system, and manufacturing method of exhalation detection element

#76
20200284743
2020-09-10

Morphology engineering of conductive metallic nanoparticles capped with an organic coating

#77
20200256840
2020-08-13

Systems and methods for an SoC based electronic system for detecting multiple low concentration gas levels

#78
20200240969
2020-07-30

Graphene-based indicator

#79
20200219826
2020-07-09

IC structure with interdigitated conductive elements between metal guard structures

#80
20200217811
2020-07-09

Use of a solid fraction sensor to evaluate a solid fraction of a target pharmaceutical sample and solid fraction sensor

#81
20200209188
2020-07-02

STABLE AND SELECTIVE HUMIDITY DETECTION USING RANDOMLY STACKED BLACK PHOSPHORUS FLAKES

#82
20200177848
2020-06-04

Monitoring system for providing both visual and non-visual data

#83
20200168057
2020-05-28

Smart-home device installation guidance

#84
20200166493
2020-05-28

Gas sensor, gas detection device, gas detection method, and device provided with gas sensor or gas detection device

#85
20200150071
2020-05-14

RELATIVE HUMIDITY SENSOR DEVICE

#86
20200116690
2020-04-16

Internal server air quality station

#87
20200064321
2020-02-27

Low power circuitry for biasing a multi-channel gas sensor array and to act as a transducer for a digital back-end

#88
20200064293
2020-02-27

GAS SENSOR ARRAY WITH BUILT-IN HUMIDITY SENSOR

#89
20200051406
2020-02-13

Smart home device providing intuitive illumination-based status signaling

#90
20200049644
2020-02-13

TEMPERATURE AND HUMIDITY SENSOR MODULE SENSING METHOD

#91
20200049643
2020-02-13

TEMPERATURE AND HUMIDITY SENSOR MODULE HEAT DRYING STRUCTURE

#92
20200032932
2020-01-30

FLEXIBLE LEVEL SENSING DEVICE HAVING JUNCTION ASSEMBLY

#93
20190391103
2019-12-26

Method for manufacturing a relative humidity sensor and relative humidity sensor

#94
20190360957
2019-11-28

3D noncontact humidity sensing technologies and methods of use thereof

#95
20190356311
2019-11-21

Sensor device for detecting the presence of an electrically conductive substance in a space region, and applications thereof

#96
20190331624
2019-10-31

Moisture detection and regulation in a vehicle interior component

#97
20190302048
2019-10-03

Humidity sensor

#98
20190293590
2019-09-26

Multi-parametric sensor with bridge structure

#99
20190277229
2019-09-12

Physical quantity measuring device, humidity detector abnormality detection device, and humidity detector abnormality detection method

#100
20190265188
2019-08-29

Gas detection apparatus having an electrochemical gas sensor and gas detection method thereby

#101
20190189951
2019-06-20

Package structure, method for manufacturing the same, method for detecting package defect, OLED device and display apparatus

#102
20190174782
2019-06-13

Grain dryer

#103
20190162625
2019-05-30

Leak detection system and method of making and using the same

#104
20190145920
2019-05-16

DRYNESS/WETNESS RESPONSIVE SENSOR HAVING FIRST AND SECOND WIRES SPACED 5 nm TO LESS THAN 20 um APART

#105
20190131151
2019-05-02

Flexible linear sensor

#106
20190128828
2019-05-02

Chemiresistor humidity sensor and fabrication method thereof

#107
20190120886
2019-04-25

SENSOR ARRANGEMENT FOR A PACKAGING OF A MEDICAMENT

#108
20190110938
2019-04-18

PAD WETNESS DETECTION METHOD AND PAD WETNESS DETECTION DEVICE

#109
20190096233
2019-03-28

Mobile user interfaces for smart-home hazard detection devices

#110
20190087885
2019-03-21

DIAPER ORDERING SYSTEM AND METHOD

#111
20190086285
2019-03-21

Sheet sensor

#112
20190079039
2019-03-14

Method of manufacturing sensor device

#113
20190079038
2019-03-14

MOISTURE SENSITIVE SHEET AND MOISTURE SENSITIVE SYSTEM

#114
20190072510
2019-03-07

Carbon based humidity-nonsensitive films

#115
20190047611
2019-02-14

Power steering device

#116
20190041372
2019-02-07

Electronic component including sensor device and method of manufacturing same

#117
20190035259
2019-01-31

Status indication triggering and user interfacing in a smart-home device

#118
20190030997
2019-01-31

Vehicle antifogging system

#119
20190025137
2019-01-24

Carbon nanotube sensing system, carbon nanotube dew point hygrometer, method of use thereof and method of forming a carbon nanotube dew point hygrometer

#120
20190019038
2019-01-17

Smart-home device providing follow up communications to condition detection events

#121
20190008698
2019-01-10

Wetness sensors, wetness monitoring system, and related methods

#122
20180372520
2018-12-27

Intake temperature detection device and maximum heat generating amount components mounted on a single circuit board

#123
20180340925
2018-11-29

Sensor device, and systems and methods for obtaining measurements of selected characteristics of a concrete mixture

#124
20180331007
2018-11-15

Sensor semiconductor device and method of producing a sensor semiconductor device

#125
20180322745
2018-11-08

Smart-home device installation guidance

#126
20180308347
2018-10-25

Mobile user interfaces for smart-home hazard detection devices

#127
20180301022
2018-10-18

Smart home device providing intuitive illumination-based status signaling

#128
20180284048
2018-10-04

Moisture detection element, gas detection device, and breath inspection system

#129
20180276914
2018-09-27

Method for providing a diagnostic on a combined humidity and temperature sensor

#130
20180264150
2018-09-20

Storage device including ultraviolet illumination

#131
20180259471
2018-09-13

Copper(II) oxide and cellulose acetate composite resistance-based humidity sensor

#132
20180231484
2018-08-16

Carbon nanotube-based multi-sensor

#133
20180231483
2018-08-16

Carbon nanotube-based multi-sensor

#134
20180195992
2018-07-12

Sensor, composite material and method of manufacturing the same

#135
20180194390
2018-07-12

Power steering device and device for controlling power steering device

#136
20180158315
2018-06-07

Smart-home control system providing HVAC system dependent responses to hazard detection events

#137
20180137745
2018-05-17

Visual and auditory user notification methods for smart-home hazard detector

#138
20180136266
2018-05-17

Resistive environmental sensor and resistive environmental sensor array

#139
20180136188
2018-05-17

Method of assessing drying depth of cementitious material

#140
20180120248
2018-05-03

Air physical quantity sensor

#141
20180111137
2018-04-26

CLOSED LOOP CONTROL OF ELECTROSTATIC VOLTAGE AND CURRENT BASED ON HUMIDITY

#142
20180110106
2018-04-19

Smart device with integrated conditional lighting

#143
20180074003
2018-03-15

Humidity sensor with heat module

#144
20180052129
2018-02-22

Gas measurement device and measurement method thereof

#145
20180017513
2018-01-18

Gas analyzer that detects gases, humidity, and temperature

#146
20170370864
2017-12-28

Nanostructured lanthanum oxide humidity sensor

#147
20170368215
2017-12-28

Storage device including ultraviolet illumination

#148
20170356899
2017-12-14

Detecting gases and respiration by the conductivity of water within a porous substrate sensor

#149
20170356869
2017-12-14

GAS SENSOR, HUMIDITY SENSOR, AND METHOD FOR FORMING A SENSOR LAYER

#150
20170352259
2017-12-07

Mobile user interface for event notifications arising from smart-home hazard detection devices

#151
20170343499
2017-11-30

Environmental sensor and method for measuring and predicting environmental parameters

#152
20170342201
2017-11-30

Humidity sensor based on squaraine polymer, preparation method and use thereof

#153
20170315074
2017-11-02

Micromechanical moisture sensor device and corresponding manufacturing method

#154
20170304560
2017-10-26

Device for detecting moisture for an arrangement for monitoring an access to a patient

#155
20170263112
2017-09-14

Smart-home device providing follow up communications to condition detection events

#156
20170261453
2017-09-14

Humidity sensors with transistor structures and piezoelectric layer

#157
20170184530
2017-06-29

Sensing water vapour

#158
20170181245
2017-06-22

Smart device with integrated conditional lighting

#159
20170167995
2017-06-15

Dryness/wetness responsive sensor having first and second wires spaced 5 nm to less than 20 μm apart

#160
20170167934
2017-06-15

Platform unit for combined sensing of pressure, temperature and humidity

#161
20170122892
2017-05-04

Sensor device and method of manufacturing the same

#162
20170122783
2017-05-04

Sensor chip used for multi-physical quantity measurement and preparation method thereof

#163
20170118930
2017-05-04

Systems and Methods for Sensing Precipitation

#164
20170112681
2017-04-27

Body fluid sensor pad

#165
20170100495
2017-04-13

Storage device including ultraviolet illumination

#166
20170097313
2017-04-06

HUMIDITY SENSOR

#167
20170094615
2017-03-30

ELECTRONIC DEVICE, CONTROL METHOD, AND NON-TRANSITORY STORAGE MEDIUM THEREOF

#168
20170082572
2017-03-23

Aerospace transparency having moisture sensors

#169
20170082051
2017-03-23

Physical quantity detection device

#170
20170067868
2017-03-09

Gas detection device

#171
20170058956
2017-03-02

Bearing with condition monitoring sensor

#172
20170050669
2017-02-23

Moisture sensor and steering system

#173
20170046940
2017-02-16

Field replaceable desiccant cartridge and device, method and system therefor

#174
20170038325
2017-02-09

Humidity sensor, wireless device including the same, and methods of making and using the same

#175
20170030851
2017-02-02

Moisture sensors

#176
20170030850
2017-02-02

Methods for evaluation and estimation of external corrosion damage on buried pipelines

#177
20170023508
2017-01-26

Method of making thin film humidity sensors

#178
20170023460
2017-01-26

Measurement of particulate matter deliquescence relative humidity

#179
20170023459
2017-01-26

Measurement of particulate matter deliquescence relative humidity

#180
20170020091
2017-01-26

Method and System for Automated Data Analysis of Soil Moisture

#181
20160376764
2016-12-29

METHOD FOR WATERPROOFING BELOW-GRADE STRUCTURES

#182
20160335884
2016-11-17

Visual and auditory user notification methods for smart-home hazard detector

#183
20160290893
2016-10-06

Measurement device

#184
20160245768
2016-08-25

ELECTRONIC DEVICE INCLUDING FLUID DETECTING DEVICE

#185
20160232779
2016-08-11

Smart-home multi-functional hazard detector providing location-specific feature configuration

#186
20160178551
2016-06-23

SYSTEM AND METHOD FOR FLUID SENSING

#187
20160161432
2016-06-09

Condensation sensor systems and methods

#188
20160161431
2016-06-09

Field replaceable desiccant cartridge and device, method and system therefor

#189
20160149394
2016-05-26

APPARATUSES AND METHODS FOR CONTROLLING POWER TO ELECTRONIC DEVICES

#190
20160139071
2016-05-19

Gas sensor apparatus and installation structure of gas sensor apparatus

#191
20160133340
2016-05-12

Self-testing data storage devices and methods

#192
20160133338
2016-05-12

Self-testing data storage devices and methods

#193
20160113822
2016-04-28

Connector receptacle with contact supports for moisture sensor

#194
20160104366
2016-04-14

Smart hazard detector providing follow up communications to detection events

#195
20160084811
2016-03-24

Dual gas sensor structure and measurement method

#196
20160078751
2016-03-17

Smart-home hazard detector providing sensor-based device positioning guidance

#197
20160077028
2016-03-17

Humidity sensor

#198
20160061777
2016-03-03

Environment measuring device and environment measuring method

#199
20160033436
2016-02-04

Gas detection apparatus

#200
20160003757
2016-01-07

Gas measurement device and measurement method thereof

#201
20150377821
2015-12-31

Gas Sensor

#202
20150377811
2015-12-31

Analog floating-gate atmometer

#203
20150362449
2015-12-17

Display device

#204
20150346128
2015-12-03

Salt-based method to monitor and log the times a data center air goes above a predefined limit

#205
20150346127
2015-12-03

Moisture ingress sensors

#206
20150338360
2015-11-26

Integrated CMOS Porous Sensor

#207
20150316497
2015-11-05

WIRELESS SUBSOIL TENSION SENSOR

#208
20150293046
2015-10-15

Salt-based device and a circuit to monitor and log the times a data center air goes above a predefined limit

#209
20150285755
2015-10-08

System method and apparatus for humidity sensor temperature compensation

#210
20150276656
2015-10-01

Apparatus for sensing environmental humidity changes

#211
20150260673
2015-09-17

Atmosphere sensor and method of producing the same, and method of producing printed matter

#212
20150260672
2015-09-17

Sensor system for determining the moisture content of a fluid medium flowing in a main flow direction

#213
20150233856
2015-08-20

Carbon nanotube sensing system, carbon nanotube dew point hygrometer, method of use thereof and method of forming a carbon nanotube dew point hygrometer

#214
20150226721
2015-08-13

Pen type of apparatus for measuring multiple water qualities

#215
20150187200
2015-07-02

Smart-home hazard detector providing non-alarm status signals at opportune moments

#216
20150154848
2015-06-04

Smart hazard detector providing follow up communications to detection events

#217
20150153296
2015-06-04

Humidity sensor and sensor element

#218
20150100167
2015-04-09

Smart-home control system providing HVAC system dependent responses to hazard detection events

#219
20150097688
2015-04-09

Mobile user interface for event notifications arising from smart-home hazard detection devices

#220
20150097687
2015-04-09

Smart-home hazard detector with adaptive heads up pre-alarm criteria

#221
20150097686
2015-04-09

Smart home device with integrated conditional lighting

#222
20150097685
2015-04-09

Status indication triggering and user interfacing in a smart-home hazard detector

#223
20150097684
2015-04-09

Smart-home hazard detector providing location-specific pre-alarm configuration

#224
20150097683
2015-04-09

Smart-home hazard detection system providing context-based user notifications

#225
20150097682
2015-04-09

Mobile user interface for smart-home hazard detector configuration

#226
20150097681
2015-04-09

Visual and auditory user notification methods for smart-home hazard detector

#227
20150097666
2015-04-09

Hazard detection unit providing intuitive illumination-based status signaling

#228
20150097663
2015-04-09

Smart-home multi-functional hazard detector providing location-specific feature configuration

#229
20150096352
2015-04-09

Smart-home system facilitating insight into detected carbon monoxide levels

#230
20150082920
2015-03-26

Platform unit for combined sensing of pressure, temperature and humidity

#231
20150075280
2015-03-19

Fast response humidity sensor

#232
20150064603
2015-03-05

Flexible electrical devices and methods

#233
20150061706
2015-03-05

Resistive type humidity sensor based on porous magnesium ferrite pellet

#234
20150059471
2015-03-05

Sensing

#235
20150031158
2015-01-29

Integrated circuit and manufacturing method

#236
20140369888
2014-12-18

Humidity determining device and environmental tester including the same

#237
20140366629
2014-12-18

Electronic device with temperature and humidity sensor and method for determining humidity value

#238
20140292352
2014-10-02

Image forming apparatus and abnormality detection apparatus and method for humidity sensor device

#239
20140283597
2014-09-25

Sensor device having plural resistance change sensors and method of using the same

#240
20140247529
2014-09-04

Apparatus and method for water protection of an electronic device

#241
20140200538
2014-07-17

Wetness sensors, wetness monitoring system, and related methods

#242
20140182372
2014-07-03

Sensing water vapour

#243
20140167791
2014-06-19

Resistive MEMS humidity sensor

#244
20140105242
2014-04-17

Device and methods for temperature and humidity measurements using a nanocomposite film sensor

#245
20140077824
2014-03-20

Humidity sensor and method of manufacturing the same

#246
20140076048
2014-03-20

Humidity sensor and sensor element therefor

#247
20140069170
2014-03-13

SENSOR FOR HUMIDITY AND MANAGEMENT SYSTEM THEREFOR

#248
20140012197
2014-01-09

Device for detecting moisture for an arrangement for monitoring an access to a patient

#249
20130336842
2013-12-19

Moisture sensor including, as a moisture-absorbing layer, a polymer layer including a mixture of polyamides

#250
20130319111
2013-12-05

Water-concentration detection device

#251
20130317724
2013-11-28

Method for determining the water content of a mixed alcohol/gasoline fuel in an internal combustion engine, and device for implementing same

#252
20130292264
2013-11-07

Test strip and method for humidity detection

#253
20130265166
2013-10-10

Humidity sensing function for a display device

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