ClassID:

168445

G01N2027/222 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties for analysing gases

Recent Application in this class:
#1
20260056155
2026-02-26

CAPACITANCE-BASED HUMIDITY AND GAS SENSING RFID TAGS

#2
20260016436
2026-01-15

SYSTEMS, APPARATUSES, AND METHODS FOR DETERMINING QUANTITIES OF MULTIPLE VAPORS USING A SINGLE SENSOR

#3
20250341487
2025-11-06

CAPACITANCE SENSOR FOR ENVIRONMENTAL DETECTION DEVICE

#4
20250327764
2025-10-23

CONFIGURATION OF WEARABLE SENSORS BASED ON A SENSORS-AS-A-SERVICE PLATFORM

#5
20250224386
2025-07-10

DIFFUSION DISCRIMINATING GAS SENSORS

#6
20250076233
2025-03-06

CONFIGURATION OF WEARABLE SENSORS BASED ON A SENSORS-AS-A-SERVICE PLATFORM

#7
20250027897
2025-01-23

PORTABLE IMPEDANCE BASED CHEMICAL SENSOR

#8
20240302310
2024-09-12

SENSOR AND CAPACITOR DEVICE

#9
20240302309
2024-09-12

SENSOR AND CAPACITOR DEVICE

#10
20240295518
2024-09-05

SYSTEMS AND METHODS FOR SENSING OF GASES USING A CONFIGURABLE DYNAMIC RANGE OF A SENSOR

#11
20240290841
2024-08-29

NON-COVALENT MODIFICATION OF GRAPHENE-BASED CHEMICAL SENSORS

#12
20240280526
2024-08-22

METHOD OF FIELD RECALIBRATION OF MULTIVARIATE ANALYTE SENSORS BASED ON LEARNED PRECISE SENSING FINGERPRINTS

#13
20240272103
2024-08-15

RECONFIGURING A SECOND TYPE OF SENSOR BASED ON SENSING DATA OF A FIRST TYPE OF SENSOR

#14
20240255391
2024-08-01

SYSTEMS AND METHODS FOR DETECTING A HEALTH CONDITION

#15
20240085360
2024-03-14

SENSOR AND SENSOR SYSTEM

#16
20240068979
2024-02-29

METHOD FOR DETECTING HELICOBACTER PYLORI USING AN ELECTROCHEMICAL TEST STRIP

#17
20240068973
2024-02-29

SENSOR

#18
20240027385
2024-01-25

CAPACITANCE-BASED HUMIDITY AND GAS SENSING RFID TAGS

#19
20230280322
2023-09-07

HYDROGEN GAS SENSOR AND METHODS AND SYSTEMS USING SAME TO QUANTITATE HYDROGEN GAS AND/OR TO ASSESS HYDROGEN GAS PURITY

#20
20230280297
2023-09-07

DEVICE AND METHODS FOR DETECTING PATHOGENS

#21
20230243769
2023-08-03

Polymer material, sensor element, and gas measurement device

#22
20230236144
2023-07-27

CAPACITIVE GAS SENSOR AND METHOD FOR MANUFACTURING SAME

#23
20230221270
2023-07-13

GAS SENSOR, MANUFACTURING METHOD, AND DETECTION METHOD

#24
20230115363
2023-04-13

MULTI-DIMENSIONAL MULTI-PARAMETER GAS SENSOR AND MANUFACTURING METHOD THEREFOR, AND GAS DETECTION METHOD

#25
20220304589
2022-09-29

ALDEHYDE AND KETONE RECEPTOR MODIFICATION OF GRAPHENE

#26
20220260541
2022-08-18

Low power sensor for NOdetection

#27
20220252535
2022-08-11

HUMIDITY INITIATED GAS (HIG) SENSORS FOR VOLATILE ORGANIC COMPOUNDS SENSING

#28
20220236244
2022-07-28

Gas sensing device and method for determining a calibrated measurement value for a concentration of a target gas

#29
20220163475
2022-05-26

Gas-sensitive device

#30
20220091061
2022-03-24

Gas sensing method and gas sensing system

#31
20220082522
2022-03-17

Sensor

#32
20220018820
2022-01-20

Sensor and sensor module

#33
20210310983
2021-10-07

Gas sensor

#34
20210302347
2021-09-30

Odor sensor and odor measurement system

#35
20210252448
2021-08-19

Metal-organic frameworks for sorption and sensing applications

#36
20210208092
2021-07-08

Gas detection device

#37
20210123878
2021-04-29

Chemi-capacitive sensor using nanomaterial and method of manufacturing same

#38
20210057526
2021-02-25

Non-covalent modification of graphene-based chemical sensors

#39
20200400604
2020-12-24

Semiconductor-type battery-free gas sensor or humidity sensor including porous metal-organic framework and method of manufacturing the same

#40
20200300803
2020-09-24

Gas sensor

#41
20200249190
2020-08-06

Portable impedance based chemical sensor

#42
20200166435
2020-05-28

Systems and methods for detecting a health condition

#43
20200148380
2020-05-14

Gas-flammability sensing systems and methods

#44
20200140261
2020-05-07

Bonding pad layer system, gas sensor and method for manufacturing a gas sensor

#45
20200080958
2020-03-12

Sensor and method for gas testing

#46
20200072652
2020-03-05

Composition ratio estimation device/ composition ratio estimation method/ composition ratio estimation program/ and liquid level gauge

#47
20200049649
2020-02-13

Gas sensor and method for detecting a gas

#48
20200011827
2020-01-09

CAPACITIVE SENSOR AND PREPARATION METHOD THEREOF

#49
20200003670
2020-01-02

Method and apparatus for determining properties of a contained fluid

#50
20200000078
2020-01-02

INSECT DETECTION METHOD, GAS SENSOR FOR INSECT DETECTION, GAS SENSOR ARRAY FOR INSECT DETECTION, AND ELECTRIC MACHINE PRODUCT

#51
20190277791
2019-09-12

Gas sensor

#52
20190257779
2019-08-22

Humidity sensor

#53
20190250117
2019-08-15

Capacitive gas sensor

#54
20190086377
2019-03-21

Gas sensor and manufacturing method of the same

#55
20190064143
2019-02-28

Sensor technology for diagnosing tuberculosis

#56
20190041349
2019-02-07

Sensor arrangement and method for generating measurement signals

#57
20180372663
2018-12-27

USE OF BIOPOLYMER IN A DIELECTRIC GAS SENSOR

#58
20180266977
2018-09-20

Odor sensor and odor measurement system

#59
20180175488
2018-06-21

Radio frequency antenna with granular or powder insulating material and method of making the same

#60
20180128800
2018-05-10

Air-fuel ratio sensor control apparatus

#61
20180003669
2018-01-04

Gas sensor and method of manufacturing the same

#62
20170350845
2017-12-07

Assembly for capacitive measurement of the amount of gas in a fluid flow

#63
20170343503
2017-11-30

Sensor for measuring the carbon dioxide concentration in a gas mixture, and method for manufacture thereof

#64
20170234822
2017-08-17

Sensor arrangement for particle analysis and a method for particle analysis

#65
20170212024
2017-07-27

Method and apparatus for determining properties of a contained fluid

#66
20170184531
2017-06-29

Gas sensor array and method

#67
20170097315
2017-04-06

SUBSTRATE FOR STRETCHABLE ELECTRONIC DEVICE, METHOD OF MANUFACTURING THE SUBSTRATE, AND ELECTRONIC DEVICE HAVING THE SUBSTRATE

#68
20160334386
2016-11-17

Device for Measurement of Exhaled Nitric Oxide Concentration

#69
20160266061
2016-09-15

Monolithic MEMS platform for integrated pressure, temperature, and gas sensor

#70
20160259473
2016-09-08

Multimodal sensor and manufacturing method thereof

#71
20160238548
2016-08-18

Heated sensitive layer gas sensor

#72
20160146177
2016-05-26

Two-dimensional igniter for testing in-cylinder gas velocity and/or gas composition

#73
20160054258
2016-02-25

Nanostructured sensor architecture and method for enhanced chemical detection

#74
20150355125
2015-12-10

Method and device for characterising a fluid medium using a semi-conductive substrate

#75
20150185175
2015-07-02

Portable electronic device and vapor sensor card

#76
20150130482
2015-05-14

Capacitive sensing system and method

#77
20150084100
2015-03-26

Integrated circuit with COsensor, composition and manufacturing method of such an IC

#78
20140363705
2014-12-11

Lithium ion battery cell having a capacitance sensor and method for monitoring the condition of a lithium ion battery cell of this type

#79
20140026642
2014-01-30

CAPACITIVE SENSOR COMPRISING DIFFERING UNIT CELL STRUCTURES

#80
20120071362
2012-03-22

Nonwoven-based chemi-capacitive or chemi-resistive gas sensor

#81
20120049852
2012-03-01

Method and storage container for determining a stored amount of ammonia for catalytic exhaust gas purification

#82
20050130338
2005-06-16

Method for producing and managing a sensor

#83
18157804
2023-10-17

Ethylene sensor and method of making same