ClassID:

169008

G01N33/0044 - 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 concerning the detector; Specially adapted to detect a particular component for HS, sulfides

Recent Application in this class:
#1
20260086076
2026-03-26

FECAL GAS TIME CURVE ANALYSIS METHOD FOR BRISTOL STOOL TYPE CLASSIFICATION

#2
20260074309
2026-03-12

HYDROGEN SULFIDE DETECTION DEVICE

#3
20260063567
2026-03-05

SYSTEMS AND METHODS FOR MONITORING REMOTE INSTALLATIONS

#4
20250334558
2025-10-30

TOTAL HYDROGEN SULFIDE QUANTIFICATION

#5
20250309381
2025-10-02

GAS DETECTION UNIT, BATTERY PACK, GAS DETECTION SYSTEM, BATTERY SYSTEM AND GAS DETECTION METHOD

#6
20250273062
2025-08-28

PREDICTIVE PORTABLE DEVICE

#7
20250271393
2025-08-28

PORTABLE BIOSENSOR SYSTEM WITH VERTICAL GRAPHENE ARRAY

#8
20250130195
2025-04-24

RECONFIGURING GAS SENSING DEVICES TO DETECT DIFFERENT TYPES OF GASES

#9
20250102461
2025-03-27

GAS DETECTION APPARATUS AND GAS DETECTION SYSTEM

#10
20250085262
2025-03-13

METHOD AND APPARATUS TO MEASURE HYDROGEN SULFIDE CONCENTRATION IN A GAS MIXTURE WITH GAMMA RAY ABSORPTION

#11
20250050395
2025-02-13

DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION

#12
20250043979
2025-02-06

SYSTEM AND METHOD FOR MONITORING AIR QUALITY WHILE COOLING AN OUTDOOR ELECTRONIC DISPLAY ASSEMBLY

#13
20250034970
2025-01-30

MOVABLE MOUNT FOR WELL CELLAR GAS DETECTORS

#14
20240418673
2024-12-19

MULTI-PART NONTOXIC PRINTED BATTERIES

#15
20240417965
2024-12-19

SHOWER DRAIN DEVICES, SHOWER DRAIN SYSTEMS, AND METHODS OF MANUFACTURING AND USING THE SAME

#16
20240413415
2024-12-12

BATTERY SYSTEM

#17
20240410850
2024-12-12

METHODS FOR ANALYZING A GAS MIXTURE AND GAS SENSOR

#18
20240390961
2024-11-28

DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION

#19
20240263818
2024-08-08

System and method for monitoring air quality while cooling an outdoor electronic display assembly

#20
20240151700
2024-05-09

HYDROGEN SULFIDE IMAGING SYSTEM

#21
20240017311
2024-01-18

Devices and techniques relating to landfill gas extraction

#22
20240003565
2024-01-04

System and method for monitoring air quality while cooling an outdoor electronic display assembly

#23
20230417656
2023-12-28

ENHANCEMENTS TO LASER SPECTROSCOPY MODELING BY MEASUREMENT OF HYDROCARBON FUEL GAS COMPOSITIONS

#24
20230304973
2023-09-28

Sample cylinder content identification system and method thereof

#25
20230235661
2023-07-27

Systems and methods for monitoring annular fluid level

#26
20230168223
2023-06-01

Multi-part nontoxic printed batteries

#27
20230137889
2023-05-04

Electrochemical sensor with opening between solid elements

#28
20230064551
2023-03-02

COMPOSITION FOR GAS SENSOR, GAS SENSOR INCLUDING THE COMPOSITION, AND METHOD FOR MANUFACTURING THE SAME

#29
20230024759
2023-01-26

DETERMINING AN AMOUNT OF NITRIC OXIDE

#30
20220404327
2022-12-22

Method and Systems for Monitoring and Measuring the Amount of a Gas Dissolved in a Liquid

#31
20220381639
2022-12-01

SYSTEMS AND METHODS FOR MONITORING REMOTE INSTALLATIONS

#32
20220324721
2022-10-13

SENSING MATERIAL FOR DETECTING HYDROGEN SULFIDE, HYDROGEN SULFIDE-SENSITIVE LAYER, AND METAL OXIDE SEMICONDUCTOR-TYPE GAS SENSOR

#33
20220252541
2022-08-11

In Situ Treatment of Chemical Sensors

#34
20220235657
2022-07-28

Downhole Hydrogen Sulfide Capture and Measurement

#35
20220229033
2022-07-21

Hydrogen sulfide imaging system

#36
20220187231
2022-06-16

HYDROGEN SULFIDE SENSOR AND ASSOCIATED METHODS

#37
20220170899
2022-06-02

METHOD OF MANUFACTURING METAL NANOPARTICLE-OXIDE SUPPORT COMPLEX STRUCTURE BASED GAS SENSOR

#38
20220167069
2022-05-26

AUTOMATED ENVIRONMENT MONITORING SYSTEMS AND METHODS

#39
20220128459
2022-04-28

METHOD FOR MEASURING THE CONCENTRATION OF GASEOUS SPECIES IN A BIOGAS

#40
20220034835
2022-02-03

Methods for analyzing a gas mixture and gas sensor

#41
20220025217
2022-01-27

SELF-FUSING SILICONE TAPE FOR SENSING HYDROGEN AND HYDROGEN SULFIDE GAS LEAKS

#42
20220018760
2022-01-20

FTIR spectrometer with cut-off filter for hydrogen sulfide detection

#43
20220008973
2022-01-13

Devices and techniques relating to landfill gas extraction

#44
20220008972
2022-01-13

Devices and techniques relating to landfill gas extraction

#45
20220008971
2022-01-13

DEVICES AND TECHNIQUES RELATING TO LANDFILL GAS EXTRACTION

#46
20210325296
2021-10-21

Corrosive environment monitoring method and corrosive environment monitoring system

#47
20210255113
2021-08-19

Systems and methods for monitoring remote installations

#48
20210231633
2021-07-29

Graphene-based PPB level sulfur detector

#49
20210231469
2021-07-29

Sensor housing with debris sloughing structure

#50
20210223221
2021-07-22

Gas Measurement Device Incorporated Into a Watch

#51
20210214368
2021-07-15

COMPOUNDS FOR THIOL-TRIGGERED COS AND/OR H2S RELEASE AND METHODS OF MAKING AND USING THE SAME

#52
20210190713
2021-06-24

GAS SENSOR

#53
20210181146
2021-06-17

SENSING DEVICE FOR DETECTING ANALYTES IN PACKAGES

#54
20210181145
2021-06-17

Analyte sensing device

#55
20210172905
2021-06-10

Sensing device for detecting analytes in batteries

#56
20210172904
2021-06-10

Container including analyte sensing device

#57
20210148876
2021-05-20

SYSTEM AND METHOD FOR IN-LINE MONITORING OF AIRBORNE CONTAMINATION AND PROCESS HEALTH

#58
20210116433
2021-04-22

Photonic crystal gas sensor

#59
20210010972
2021-01-14

Metal oxide-based chemical sensors

#60
20200408092
2020-12-31

Measuring an adsorbing chemical in downhole fluids

#61
20200400630
2020-12-24

Hydrogen monitoring and delivery components and methods

#62
20200400604
2020-12-24

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

#63
20200392843
2020-12-17

Downhole hydrogen sulfide capture and measurement

#64
20200371058
2020-11-26

Carbon dioxide and/or hydrogen sulphide detection system and method and use thereof

#65
20200333310
2020-10-22

Article storage apparatus and method of identifying condition of article therein

#66
20200326295
2020-10-15

Gas detection device and method of manufacturing the same

#67
20200326278
2020-10-15

Apparatus, system and method for gas detection, and apparatus manufacturing method

#68
20200292488
2020-09-17

Electrophoretic display

#69
20200292487
2020-09-17

Resonant gas sensor

#70
20200292447
2020-09-17

FTIR spectrometer with cut-off filter for hydrogen sulfide detection

#71
20200278316
2020-09-03

Multi-part nontoxic printed batteries

#72
20200264149
2020-08-20

Hydrogen sulfide imaging system

#73
20200256827
2020-08-13

Resonant gas sensor

#74
20200243918
2020-07-30

Detection system

#75
20200209176
2020-07-02

Method and device for analyzing a gas

#76
20200182823
2020-06-11

Electrochemical sensor with opening between solid elements

#77
20200182822
2020-06-11

Electrochemical sensor with thin film guard electrode

#78
20200173913
2020-06-04

Method and system for determining a content of HS

#79
20200150122
2020-05-14

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#80
20200116615
2020-04-16

Methods of using component mass balance to evaluate manhole events

#81
20200116614
2020-04-16

Methods of using component mass balance to evaluate manhole events

#82
20200088615
2020-03-19

SYSTEMS AND METHODS FOR RAPID DETECTION OF AN ANALYTE OF INTEREST

#83
20200064319
2020-02-27

Adaptive sensing system for ambient ground-gas concentration and flow-rate measurement

#84
20200033017
2020-01-30

System and method for monitoring air quality while cooling an outdoor electronic display assembly

#85
20190383780
2019-12-19

SYSTEMS AND METHODS FOR PREDICTING GAS CONCENTRATION VALUES

#86
20190317003
2019-10-17

Measurement apparatus for measuring mass concentration of particles using correlation of number concentration, humidity and concentration and measurement method for measuring mass concentration of particles using correlation of number concentration, humidity and concentration

#87
20190285459
2019-09-19

A LIQUID LEVEL MEASURING DEVICE

#88
20190234922
2019-08-01

HYDROGEN SULFIDE DETECTING APPARATUS

#89
20190227029
2019-07-25

In situ treatment of chemical sensors

#90
20190219536
2019-07-18

Electrochemical sensor with small opening

#91
20190204265
2019-07-04

Resonant gas sensor

#92
20190145947
2019-05-16

Method and Device for Estimation of Alcohol Content in Fermentation or Distillation Vessels

#93
20190145800
2019-05-16

DISPLACEMENT MEASUREMENT APPARATUS

#94
20190136690
2019-05-09

Measuring and adsorbing chemical in downhole fluids

#95
20190120805
2019-04-25

Electronic device including replaceable sensor

#96
20190107524
2019-04-11

Graphene-based PPB level sulfur detector in fuels

#97
20190086378
2019-03-21

Clydesdale gas detector with improved screen orientation based on input from attachment sensor

#98
20190067585
2019-02-28

Gas sensor, gas measurement apparatus, fabrication method for gas sensor and hydrogen sulfide concentration measurement method

#99
20190049388
2019-02-14

FERMENTATION GAS SENSOR SYSTEM

#100
20190033277
2019-01-31

Device having a array of sensors on a single chip

#101
20190033253
2019-01-31

PASSIVE ELECTROCHEMICAL GAS SENSOR BOARD WITH SELF-TEST

#102
20190025243
2019-01-24

Electrochemical sensor

#103
20190003984
2019-01-03

Systems and methods for monitoring remote installations

#104
20180372702
2018-12-27

Thermal surface casing vent-steam condensing gas and fluid flow rate-collection manifold

#105
20180372701
2018-12-27

Hydrogen monitoring and delivery components and methods

#106
20180356383
2018-12-13

ENVIRONMENTAL MEASURING DEVICE AND INSTALLATION COMPRISING SUCH A DEVICE

#107
20180348185
2018-12-06

Metal oxide nanocomposite heterostructure methods and hydrogen sulfide sensors including the same

#108
20180313801
2018-11-01

METHOD FOR DIAGNOSING RHEUMATOID ARTHRITIS

#109
20180306740
2018-10-25

Conductive textiles and uses thereof in functional devices

#110
20180275107
2018-09-27

Power transformer copper sulfide monitoring system

#111
20180266983
2018-09-20

ELECTROCHEMICAL SENSOR

#112
20180231515
2018-08-16

Gas measurement device incorporated into a watch

#113
20180195990
2018-07-12

Gas sensors and methods of detecting gas

#114
20180172656
2018-06-21

Device having an array of sensors on a single chip

#115
20180172655
2018-06-21

Method for manufacturing an array of sensors on a single chip

#116
20180164268
2018-06-14

HYDROGEN SULFITE DETECTION USING A SPHERE

#117
20180071780
2018-03-15

Acoustic wave H2S sensor comprising a polymer film comprising carboxylate functional groups and lead or zinc cations and manufacturing process

#118
20180059003
2018-03-01

Laser absorption spectroscopy system and method for discrimination of a first and a second gas

#119
20180026313
2018-01-25

Detection system

#120
20180024089
2018-01-25

Nanoparticle-Based Gas Sensors and Methods of Using the Same

#121
20180024051
2018-01-25

Gas measurement system

#122
20180003625
2018-01-04

Portable device for the in-line measurement of the hydrogen sulfide concentration of an off-gas

#123
20170370936
2017-12-28

Biological information measurement system

#124
20170370891
2017-12-28

Portable device and method for measuring gas in closed space

#125
20170350870
2017-12-07

Synthetic receptors for hydrosulfide

#126
20170315107
2017-11-02

System and method for in-line monitoring of airborne contamination and process health

#127
20170299484
2017-10-19

Apparatus for optical in-situ gas analysis

#128
20170284993
2017-10-05

Isotope analysis

#129
20170283537
2017-10-05

Stable Polymeric Nanoparticle Compositions and Methods Related Thereto

#130
20170276627
2017-09-28

METAL OXIDE-BASED CHEMICAL SENSORS

#131
20170269046
2017-09-21

Ratiometric quantum dot-rhodamine B sensing compound and device made from the compound

#132
20170261479
2017-09-14

Colorimetric sensor material for detecting hydrogen sulfide gas, which includes one-dimensional polymer nanofiber coupled to lead acetate particles obtained by high temperature stirring and quenching, and method of the same

#133
20170219455
2017-08-03

In-Line Composition and Volumetric Analysis of Vent Gases and Flooding of the Annular Space of Flexible Pipe

#134
20170212272
2017-07-27

Optical sensors for downhole tools and related systems and methods

#135
20170212088
2017-07-27

DETECTION OF GAS-PHASE ANALYTES USING LIQUID CRYSTALS

#136
20170184560
2017-06-29

Multi-parametric environmental diagnostics and monitoring sensor node

#137
20170176404
2017-06-22

Method and relative system for the detection and quantification of the H2S in drilling mud

#138
20170167255
2017-06-15

Formation fluid sampling methods and systems

#139
20170146438
2017-05-25

Pre-treatment method for determination of volatile thio-ether compounds in offensive odorous sediment

#140
20170115263
2017-04-27

Chemiresistive sensors, downhole tools including such sensors, and related methods

#141
20170102337
2017-04-13

SELF-FUSING SILICONE TAPE FOR SENSING HYDROGEN AND HYDROGEN SULFIDE GAS LEAKS

#142
20170089875
2017-03-30

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#143
20170082588
2017-03-23

Device to measure the corrosive sulfur species formation rate in power transformers and a method of using the same

#144
20170038326
2017-02-09

Highly selective nanostructure sensors and methods of detecting target analytes

#145
20170030843
2017-02-02

Detection of volatile chemicals using an RFID sensing system

#146
20160356752
2016-12-08

Systems and methods for predicting gas concentration values

#147
20160349228
2016-12-01

Hydrogen sulfide imaging system

#148
20160320361
2016-11-03

Gas detector

#149
20160313291
2016-10-27

Gas detector clogging detection

#150
20160305920
2016-10-20

Method and device for detecting odorants in hydrocarbon gases

#151
20160290979
2016-10-06

System and method for air-pollutant source-localization using parked motor vehicles

#152
20160290977
2016-10-06

System and method for air-pollutant source-localization using parked motor vehicles

#153
20160282151
2016-09-29

INTEGRATED GAS SENSOR

#154
20160223552
2016-08-04

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#155
20160223551
2016-08-04

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#156
20160223550
2016-08-04

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#157
20160223549
2016-08-04

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#158
20160223548
2016-08-04

BIOLOGICAL INFORMATION MEASUREMENT SYSTEM

#159
20160161433
2016-06-09

Electrospun Polymer Fibers for Gas Sensing

#160
20160146761
2016-05-26

GRADED STRUCTURE FILMS

#161
20160102510
2016-04-14

Real time measurement of gas content in drilling fluids

#162
20160091477
2016-03-31

Dual sensor analyzer

#163
20160061804
2016-03-03

Simple method for the detection of sulfur compounds in crude oils and diesel

#164
20160041139
2016-02-11

Hydrogen sulfide detecting apparatus

#165
20160033419
2016-02-04

Color-change sensor using film for detecting harmful material

#166
20160018371
2016-01-21

Detection of gas-phase analytes using liquid crystals

#167
20160011161
2016-01-14

Metal oxide nanocomposite heterostructure methods and hydrogen sulfide sensors including the same

#168
20160011142
2016-01-14

Hydrogen sulfide sensor and method

#169
20160003769
2016-01-07

Detection of volatile chemicals using an RFID sensing system

#170
20150362468
2015-12-17

Low pressure biogas sample takeoff and conditioning system

#171
20150300982
2015-10-22

Microbially-based sensors for environmental monitoring

#172
20150300952
2015-10-22

Sensor for continuous, real-time monitoring of carbon dioxide for chemical contaminants

#173
20150185115
2015-07-02

Sampling container for collection of fluids

#174
20150167445
2015-06-18

Downhole electrochemical fluid sensor and method of using same

#175
20150160165
2015-06-11

Method and device for detecting odorants in hydrocarbon gases

#176
20150098867
2015-04-09

ODOR SOURCE RELEASE BASED ON ODOR DETECTION AND USER PREFERENCE INFORMATION

#177
20150083592
2015-03-26

Gas sensor using an ionic liquid electrolyte

#178
20140356971
2014-12-04

Hydrogen sulfide gas detector with humidity and temperature compensation

#179
20140338900
2014-11-20

Measuring an adsorbing chemical in downhole fluids

#180
20140320152
2014-10-30

Dosimetry via platinum—ruthenium nanoparticle-decorated nanostructure

#181
20140197046
2014-07-17

Chemical sensor based on highly organized single walled carbon nanotube networks

#182
20140138259
2014-05-22

Nanoparticle-based gas sensors and methods of using the same

#183
20140017144
2014-01-16

Hydrogen sulphide sampling method

#184
20130302904
2013-11-14

Chemosensors for hydrogen sulfide

#185
20130153442
2013-06-20

Regenerative gas sensor

#186
20130075279
2013-03-28

Microbially-based sensors for environmental monitoring

#187
20130040397
2013-02-14

DETECTION OF HYDROGEN SULFIDE GAS USING CARBON NANOTUBE-BASED CHEMICAL SENSORS

#188
20130039811
2013-02-14

Apparatus for the determination of a concentration of a component to be measured in a gas

#189
20130031953
2013-02-07

Self-testing combustible gas and hydrogen sulfide detection apparatus

#190
20120234114
2012-09-20

Sampling container for collection of fluids

#191
20120149117
2012-06-14

Hydrogen sulfide (HS) detection using functionalized nanoparticles

#192
20120073988
2012-03-29

Sensor for Measurement of Hydrogen Sulfide

#193
20110287551
2011-11-24

METAL SALT HYDROGEN SULFIDE SENSOR

#194
20110202328
2011-08-18

System for the determination of selective absorbent molecules through predictive correlations

#195
20110153225
2011-06-23

IN-LINE COMPOSITION AND VOLUMETRIC ANALYSIS OF VENT GASES AND FLOODING OF THE ANNULAR SPACE OF FLEXIBLE PIPE

#196
20110100813
2011-05-05

Electrochemical sensors including electrodes with diffusion barriers

#197
20110033943
2011-02-10

Hydrogen sulphide sampling method

#198
20100240135
2010-09-23

System and method for sour gas well testing

#199
20100121796
2010-05-13

SYSTEM AND METHOD FOR EVALUATING A GAS ENVIRONMENT

#200
20100059375
2010-03-11

Metal salt hydrogen sulfide sensor

#201
20100012494
2010-01-21

Electrochemical gas sensor

#202
20090280593
2009-11-12

Matrix nanocomposite sensing film for SAW/BAW based hydrogen sulphide sensor and method for making same

#203
20090280031
2009-11-12

Methods for use of a sensitive layer for hydrogen sulphide detection with SAW/BAW devices

#204
20090184005
2009-07-23

Sensor for Measurement of Hydrogen Sulfide

#205
20080283382
2008-11-20

Device and method for measuring elemental sulfur in gas in gas lines

#206
20080274561
2008-11-06

METHOD AND APPARATUS FOR DETERMINING A TOTAL CONCENTRATION OF A COMPONENT IN A MIXTURE OF COMPONENTS

#207
20080216553
2008-09-11

Environmental hazard sensor

#208
20080006531
2008-01-10

Ceramic H2S sensor

#209
20070243108
2007-10-18

Sulfur detector for gaseous fuels

#210
20070176773
2007-08-02

Rfid spoilage sensor for packaged food and drugs

#211
20070144237
2007-06-28

Air quality monitor

#212
20070137316
2007-06-21

Sample treatment apparatus and sample measurement apparatus providing it

#213
20070102294
2007-05-10

Solid state electrochemical gas sensor and method for fabricating same

#214
20070063828
2007-03-22

Gas-measuring system

#215
20070031974
2007-02-08

Gas analysis method

#216
20060180466
2006-08-17

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

#217
20060113199
2006-06-01

Gas detection apparatus and method

#218
20060081032
2006-04-20

Method for determining acidic gases and sensor

#219
20060054501
2006-03-16

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

#220
20050194264
2005-09-08

Method and apparatus for improving the performance of an electrochemical sensor

#221
20050145493
2005-07-07

Electrochemical sensor

#222
20050135970
2005-06-23

Hydrogen sulfide monitoring system

#223
20050118064
2005-06-02

Sensor system and method

#224
20050095721
2005-05-05

Device and method for measuring elemental sulfur in gas in gas lines

#225
20050092915
2005-05-05

Apparatus and method for detecting chemical agents

#226
20050069456
2005-03-31

Method and apparatus for determining a total concentration of a component in a mixture of components

#227
18089618
2023-10-03

Parallel device and method for high-precision determination of sulfur solubility under multiple influencing factors

#228
17227697
2024-08-06

Field processing natural gas for sulfur recovery with dynamically adjustable flow rate control

#229
17224706
2022-02-22

Real time additive processing system for crude oil, fuels, or refined products and method

#230
17161842
2023-09-19

Modular health exposure sensor system

#231
16943083
2022-07-12

Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics

#232
16382186
2020-07-21

Fiber optic sensing apparatus, system, and method of use thereof

#233
15964850
2020-08-04

Self-indicating colorimetric response materials for removal and sensing of toxic chemicals and narcotics

#234
15963524
2019-04-16

Self-indicating zirconium hydroxide and other porous metal hydroxides incorporating additional metals, metal oxides, and/or metal salts for toxic chemical removal and sensing

#235
15890939
2020-12-15

Multi-point ground emission source sensor system

#236
14973934
2019-12-17

Measurement of gases

#237
14943851
2016-06-14

Use of multiple storage caverns for product impurity control

#238
14874578
2017-02-07

Chemiresistive sensors for downhole tools

#239
14743425
2018-05-01

Self-indicating porous metal hydroxides incorporating metal reactants for toxic chemical removal and sensing