ClassID:

168990

G01N33/0014 - CPC Classification

Classification description:

Investigating or analysing materials by specific methods not covered by groups -; Gaseous mixtures, e.g. polluted air; General constructional details of gas analysers, e.g. portable test equipment; Sample conditioning by eliminating a gas

Recent Application in this class:
#1
20260118317
2026-04-30

SYSTEM INCLUDING GAS ANALYZER AND METHOD OF CONTROLLING THE SAME

#2
20250361142
2025-11-27

GAS SENSOR AND METHOD FOR MANUFACTURING THEREOF

#3
20250137983
2025-05-01

ATMOSPHERIC ENVIRONMENT ANALYSIS SYSTEM

#4
20250137982
2025-05-01

Telemetric Sensor System for Sub PPM Hydrogen Detection and Quantification

#5
20250025832
2025-01-23

METHOD FOR ADAPTING AN NH3 DOSING AMOUNT AND AN NH3 FILL LEVEL DISTRIBUTION OF AN SCR CATALYST FOR AN SCR EXHAUST GAS AFTERTREATMENT SYSTEM WITH AT LEAST ONE SCR CATALYST

#6
20240219361
2024-07-04

A METHOD AND SYSTEM FOR ANALYZING FLUID INCLUSIONS

#7
20240142419
2024-05-02

PROOF OF WORK FOR CARBON REDUCTION/RECLAMATION

#8
20240085391
2024-03-14

GAS DETECTION METHOD, PROGRAM, CONTROL SYSTEM, AND GAS DETECTION SYSTEM

#9
20240019411
2024-01-18

ODOR DETECTION DEVICE AND PLANT STATUS DETECTION SYSTEM

#10
20240019392
2024-01-18

MICROSENSOR FOR MONITORING PHOSPHINE AND PREPARATION METHOD THEREOF

#11
20230417735
2023-12-28

BREATH SENSOR APPARATUS AND METHODS OF USE

#12
20230408471
2023-12-21

GAS MEASURING APPARATUS

#13
20230358714
2023-11-09

Gas sensor

#14
20230358699
2023-11-09

Gas Sensing Device with a Gas Filter

#15
20230228723
2023-07-20

Gas monitor and method of detecting gas, including a ripening monitor

#16
20230122407
2023-04-20

Protective enclosure for gas sensors

#17
20220390425
2022-12-08

Gas sensor with a filter supported by a carrier

#18
20220265883
2022-08-25

Monitoring of steam quality during sterilization with improved temperature control

#19
20220236207
2022-07-28

Gas sensing device with a gas filter

#20
20220187265
2022-06-16

INTERFERENT AND BASELINE DRIFT CORRECTING SENSOR SYSTEM

#21
20220082550
2022-03-17

Breath sensor apparatus and methods of use

#22
20220082541
2022-03-17

Device and method for detecting an analyte

#23
20220018822
2022-01-20

Protective enclosure for gas sensors

#24
20220003664
2022-01-06

Cabin air sensor for ozone detection

#25
20210333175
2021-10-28

Evaporation closed chamber for detecting hazardous substance

#26
20210318281
2021-10-14

LEVEL MEASURING AND GAS DETECTION SYSTEM

#27
20210164951
2021-06-03

Gas detector

#28
20210088464
2021-03-25

Temperature-regulated gas sensor with gas selective filter

#29
20210055451
2021-02-25

Gas sampling instruments and methods

#30
20210033583
2021-02-04

Systems and methods for improving detection accuracy in electronic trace detectors

#31
20210025861
2021-01-28

Adsorption/desorption-based sensor for volatile organic compounds (VOCs)

#32
20200300826
2020-09-24

Oxygen sensor test device and method of testing oxygen sensor

#33
20200240943
2020-07-30

MEMS gas sensor

#34
20200057039
2020-02-20

DEVICE AND METHOD FOR DETECTING GAS

#35
20190353628
2019-11-21

Sensor device for detecting a permanent gas

#36
20190346392
2019-11-14

Reducing gas detection material and reducing gas detection sensor

#37
20190344197
2019-11-14

Condensate separator for exhaust gas measuring systems

#38
20190331565
2019-10-31

Particle detecting module

#39
20190331564
2019-10-31

Particle detecting module

#40
20190250135
2019-08-15

Gas sensor with filter

#41
20190234896
2019-08-01

RESISTIVE METAL OXIDE GAS SENSOR COATED WITH A FLUOROPOLYMER FILTER

#42
20190227045
2019-07-25

GAS SENSOR

#43
20190154551
2019-05-23

Device having a micro fluid actuator

#44
20190137458
2019-05-09

High performance sub-ambient temperature multi-capillary column preconcentration system for volatile chemical analysis by gas chromatography

#45
20190113501
2019-04-18

Breath sensor apparatus and methods of use

#46
20190025233
2019-01-24

Gas detection method and gas detector

#47
20180348094
2018-12-06

GAS DETECTION INSTRUMENT INLET NOZZLE ASSEMBLY

#48
20180306680
2018-10-25

GAS SENSOR WITH A SEALABLE SAMPLING CHAMBER

#49
20180296968
2018-10-18

Oxygen sensor protection

#50
20180100842
2018-04-12

Micro Sensor Package

#51
20180095021
2018-04-05

Particle collecting apparatus and particle collecting system

#52
20180088101
2018-03-29

System and method for analyzing dissolved gas in electrical insulating fluid

#53
20180074032
2018-03-15

SYSTEM AND METHOD OF TESTING FOR AIRBORNE PATHOGENS, TOXINS, POLLUTANTS AND/OR CONTAMINANTS

#54
20170276634
2017-09-28

Electrochemical gas sensor, filter and methods

#55
20170160157
2017-06-08

Low power sensor for non-reactive gases

#56
20170089874
2017-03-30

Hydrogen detector and hydrogen detection method

#57
20170067802
2017-03-09

Composite gas sampling system

#58
20170014749
2017-01-19

Oxygen sensor protection

#59
20160279601
2016-09-29

Filter material for the selective removal of siloxanes

#60
20160033445
2016-02-04

Gas sensor with partitioned filter

#61
20150300225
2015-10-22

Apparatus and method for removal of gas phase artifacts from engine exhaust during testing

#62
20150217077
2015-08-06

Sidestream respiratory gas sampling system with flexible accessories and removable water trap

#63
20150153316
2015-06-04

Analysis of exhaust gas

#64
20140360372
2014-12-11

Device for sampling and enriching impurities in hydrogen comprising hydrogen-permeable membrane

#65
20140305190
2014-10-16

Mist-containing gas analysis device

#66
20140283580
2014-09-25

Method and system for analyzing a gaseous fluid comprising at least one rare gas by means of a getterizing substrate

#67
20140247130
2014-09-04

Gas analyzer

#68
20140190271
2014-07-10

High-precision determination of the mass proportion of a component in a multi-component fluid

#69
20140080221
2014-03-20

Semi-continious non-methane organic carbon analyzer

#70
20130305813
2013-11-21

SUBLIMABLE AROMATIC COMPOUND REMOVING UNIT FOR PROCESS GAS ANALYZING DEVICE, AND PROCESS GAS ANALYZING DEVICE INCLUDING THE SAME

#71
20130145823
2013-06-13

System and method for measuring the concentration of impurities mixed with hydrogen gas

#72
20130104625
2013-05-02

Gas sensor element and gas sensor

#73
20130034465
2013-02-07

Hydrogen Sensing Device

#74
20120309100
2012-12-06

Sample preparation for isotopic analysis without an oxidizer

#75
20120246964
2012-10-04

Monitoring freeze drying with gas measurement on vacuum pump exhaust

#76
20120034646
2012-02-09

Detection of H. pylori utilizing unlabeled urea

#77
20120000284
2012-01-05

HUMIDITY SENSOR PACKAGE AND MANUFACTURING METHOD THEREOF

#78
20110181427
2011-07-28

Gas analyzer

#79
20110175623
2011-07-21

Online Incipient Fault Sensor Device for Detection of Incipient Fault in Oil-Filled Electrical Apparatus Such as a Transformer

#80
20110126515
2011-06-02

Sensor-integrated device

#81
20110076198
2011-03-31

Apparatus for determining content of at least one oxidizable constituent of an aqueous sample

#82
20110048107
2011-03-03

Filtration system for gas analysis

#83
20110005302
2011-01-13

Batch methods for enriching trace impurities in hydrogen gas for their further analysis

#84
20100162790
2010-07-01

SENSOR ELEMENT FOR DETERMINING THE CONCENTRATION OF AN OXIDIZABLE GAS COMPONENT IN A MEASURING GAS

#85
20100065442
2010-03-18

FLUE GAS ANALYSER

#86
20090211437
2009-08-27

Apparatus and method for increasing the selectivity of FET-based gas sensors

#87
20090042309
2009-02-12

Breath test for total organic carbon

#88
20090038962
2009-02-12

FLUE GAS ANALYSER

#89
20080190174
2008-08-14

Sensor Module Package

#90
20080091116
2008-04-17

Arrangement for analysing respiratory gases

#91
20080010821
2008-01-17

Method of making a plurality of flow sensors

#92
20070269346
2007-11-22

System and method for limiting sensor exposure to ozone

#93
20070068809
2007-03-29

Gas probe with hygroscopically coated protective device, method of producing a gas probe and exhaust gas purification component and vehicle having a gas probe

#94
20050100475
2005-05-12

Method and apparatus for formulating and controlling chemical concentration in a gas mixture

#95
20050090018
2005-04-28

Method and detector capture of gases

#96
20050077178
2005-04-14

Method and sensor element for determining a gas in a gas mixture

#97
20050022594
2005-02-03

Flow sensor with self-aligned flow channel

#98
18650878
2024-11-19

Calibration of humidity and methane inside gas sensor housing

#99
15917021
2020-11-17

Peracetic acid sensor with filter to remove hydrogen peroxide