ClassID:

168850

G01N30/68 - CPC Classification

Classification description:

Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation; Column chromatography; Detectors specially adapted therefor; Electrical detectors Flame ionisation detectors

Recent Application in this class:
#1
20260153478
2026-06-04

METHOD OF OPERATING A FLAME IONIZATION DETECTOR

#2
20260092904
2026-04-02

GAS CHROMATOGRAPH WITH DYNAMIC RESPONSE FACTORS

#3
20260071983
2026-03-12

METHOD TO IDENTIFY AND QUANTIFY TIRE WEAR MICROPLASTICS

#4
20260056170
2026-02-26

METHOD FOR ANALYZING LIGHT N-ALKANE COMPONENTS AND CARBON ISOTOPES IN DEEP AND ULTRA-DEEP SOURCE ROCK

#5
20250306235
2025-10-02

METHODS AND SYSTEMS FOR SOURCE ROCK CHEMOSTRATIGRAPHY AND ORGANOFACIES CHARACTERIZATION

#6
20250125017
2025-04-17

CHEMICAL ANALYSIS METHOD AND IMPLEMENTATIONS THEREOF

#7
20250123259
2025-04-17

SYSTEM AND METHOD FOR ANALYZING GAS COMPOSITION CONTENT OF TRANSFORMER OIL

#8
20250123248
2025-04-17

ONLINE AND OFFLINE MEASUREMENTS OF GLYCOLS STRENGTHS WITH ANALYSIS PROCEDURE

#9
20250116637
2025-04-10

HYDROGEN FLAME IONIZATION DETECTOR

#10
20250020616
2025-01-16

METHOD FOR MEASURING SURFACE CARBON LEVEL OF INORGANIC SOLID

#11
20240337380
2024-10-10

HYDROGEN FLAME IONIZATION DETECTOR AND GAS CHROMATOGRAPH

#12
20240310337
2024-09-19

Flow Splitter for Gas Chromatography Systems

#13
20240310336
2024-09-19

HYDROGEN FLAME IONIZATION DETECTOR, DEPOSIT REMOVAL METHOD, AND DEPOSIT REMOVAL DEVICE

#14
20240272129
2024-08-15

VIRTUAL SENSOR SYSTEM FOR MEASURING VOC INFLOW AMOUNT OF RTO AND METHOD FOR VERIFYING VOC MEASUREMENT SENSOR BY USING SAME

#15
20240192190
2024-06-13

DETERMINING RESERVOIR FLUID COMPOSITION TO PENTATETRACONTANES PLUS

#16
20240159719
2024-05-16

SYSTEM AND METHOD FOR DETECTING FLUID MIXTURE

#17
20240091747
2024-03-21

Ni-BASED CATALYST FOR UNSTEADY-STATE TRACE COX METHANATION REACTION, AND PREPARATION METHOD THEREOF

#18
20240053305
2024-02-15

Rapid method for different types of biocide residual with analysis procedure

#19
20230160863
2023-05-25

METHODS FOR OBTAINING ADSORPTION ISOTHERMS OF COMPLEX MIXTURES

#20
20230152285
2023-05-18

SYSTEM AND METHOD FOR ANALYZING LIGHT N-ALKANE COMPONENTS AND CARBON ISOTOPES IN DEEP AND ULTRA-DEEP SOURCE ROCK

#21
20230094475
2023-03-30

System and method for supplying acetylene to an apparatus using acetylene

#22
20230086532
2023-03-23

INERT FLUID ASSAYS FOR SEALED CORE RECOVERY

#23
20230078560
2023-03-16

Hydrogen flame ionization detector

#24
20220334095
2022-10-20

Method and apparatus for quantitatively analyzing a gaseous process stream

#25
20220290560
2022-09-15

Determining reservoir fluid composition to pentatetracontanes plus

#26
20220276208
2022-09-01

Versatile tube-free jet for gas chromatography detector having a conical inlet skirt

#27
20220268746
2022-08-25

Zwitterionic compounds as gas chromatographic column stationary phases

#28
20220128518
2022-04-28

Versatile tube-free jet for gas chromatography detector having a conical inlet skirt

#29
20210405000
2021-12-30

Gas phase component analysis device and gas phase component analysis method

#30
20210325353
2021-10-21

Device and method for quantitative evaluation of deodorant performance

#31
20210178387
2021-06-17

Microchemical system apparatus and related methods of fabrication

#32
20210161132
2021-06-03

Mosquito aggregation composition

#33
20200340958
2020-10-29

High throughput gas-chromatography system for additive analysis, and analysis method using same

#34
20200199458
2020-06-25

Simulated distillation using gas chromatography with vacuum ultraviolet detection

#35
20200132640
2020-04-30

Methods for classification of hydrocarbon mixtures

#36
20200057035
2020-02-20

Quantitative analysis method for high molecular weight antioxidant

#37
20190369061
2019-12-05

System and method for controlling fluid flow within a chromatography system

#38
20190360979
2019-11-28

Zwitterionic compounds as gas chromatographic column stationary phases

#39
20190339237
2019-11-07

Microwave resonator flame ionization detector

#40
20190317065
2019-10-17

Method and apparatus for quantitatively analyzing a gaseous process stream

#41
20190187108
2019-06-20

REMOVAL OF POLAR COMPOUNDS FROM A GAS SAMPLE

#42
20190170710
2019-06-06

Flame ionization detection burner assemblies for use in compressible fluid-based chromatography systems

#43
20190154640
2019-05-23

Sequential oxidation-reduction reactor for post column reaction GC/FID system

#44
20190145941
2019-05-16

Gas chromatograph

#45
20190094190
2019-03-28

Method and apparatus for flame ionization detection for chromatography

#46
20190086373
2019-03-21

Catalytic oxidation of polar modifiers in chromatographic mobile phases

#47
20190085253
2019-03-21

Marker compositions with nitrogen compounds, and methods for making and using same

#48
20190025262
2019-01-24

Refrigerant introducer and gas chromatograph

#49
20180340918
2018-11-29

Column attaching method and heating device

#50
20180284145
2018-10-04

Apparatus and methods for sample analysis and classification based on terpenes and cannabinoids in the sample

#51
20180284084
2018-10-04

METHODS FOR QUANTIFYING N-METHYL-2-PYRROLIDONE

#52
20180284082
2018-10-04

HIGH-SPEED GAS SAMPLE ANALYSIS DEVICE USING GAS CHROMATOGRAPHY, AND METHOD THEREOF

#53
20180275113
2018-09-27

Method and system for contemporaneous analysis of a crude oil front end and a crude oil boiling point distribution via a single gas chromatograph

#54
20180224411
2018-08-09

BOTANICAL IDENTIFICATION METHOD AND SYSTEM

#55
20180217112
2018-08-02

Method to determine transformation of kerogen to oil/gas at different maturities using step-wise pyrolysis-gas chromatography

#56
20180143212
2018-05-24

Reliable and robust method for the analysis of cannabinoids and terpenes in cannabis

#57
20180106761
2018-04-19

Burner nozzle

#58
20180088093
2018-03-29

DEVICE FOR THE VERIFICATION OF ORGANIC COMPOUNDS

#59
20180056292
2018-03-01

Microchemical system apparatus and related methods of fabrication

#60
20180031527
2018-02-01

ON-LINE GAS CHROMATOGRAPHY SYSTEM AND THE USE THEREOF FOR ANALYZING CATALYTIC REACTIONS

#61
20170356890
2017-12-14

Gas chromatograph

#62
20170175523
2017-06-22

THERMAL EXTRACTION GEOCHEMICAL METHOD FOR MEASUREMENT OF OIL IN PLACE AND MOVABLE OIL IN LIQUID RICH FINE GRAIN ROCKS

#63
20170168015
2017-06-15

Flame ionization detector having special burner nozzle, and internal combustion engine, power station and burner nozzle

#64
20170146496
2017-05-25

Catalytic reactor coupled with flame ionization detector for liquid chromatography

#65
20170060907
2017-03-02

Botanical Identification Method and System

#66
20170038347
2017-02-09

Chromatography systems with mobile phase generators

#67
20160299118
2016-10-13

METHOD FOR ANALYSIS OF TRACE LEVELS OF CHEMICAL ADDITIVES IN OIL RECOVERY PRODUCTION FLUIDS

#68
20160274072
2016-09-22

Sequential oxidation-reduction reactor for post column reaction GC/FID system

#69
20160187307
2016-06-30

One reactor post column reaction GC/FID system using Ru catalyst

#70
20160169853
2016-06-16

METHOD FOR DETERMINING SUITABILITY OF MARINE FUELS

#71
20160139092
2016-05-19

Carbon dioxide liquid phase forming using high volume head displacement

#72
20160139091
2016-05-19

Traps for use with chromatography systems

#73
20160097747
2016-04-07

Gas chromatograph

#74
20150377752
2015-12-31

Dispersive micro solid phase extraction of polycyclic aromatic hydrocarbons from an aqueous sample

#75
20150346167
2015-12-03

Flow rate control mechanism and gas chromatograph including flow rate control mechanism

#76
20150330956
2015-11-19

Flame ionization detection burner assemblies for use in compressible fluid-based chromatography systems

#77
20150301000
2015-10-22

Flame ionization detection for supercritical fluid chromatography employing a matched separation column and flame burner

#78
20150285770
2015-10-08

JET ASSEMBLY FOR USE IN DETECTORS AND OTHER DEVICES

#79
20150177200
2015-06-25

CHROMATOGRAPH WITH COLUMN ENGINEERING FOR USE IN OIL AND GAS EXTRACTION

#80
20150168360
2015-06-18

Chromatogram display method, chromatogram display device, and chromatograph comprising said device

#81
20150153314
2015-06-04

Fast Field Mud Gas Analyzer

#82
20150107334
2015-04-23

Continuous measurement chromatography and method of continuous stochastic perturbation chromatography

#83
20150101393
2015-04-16

Modulated flame gas flow rates in flame-based detectors

#84
20150099308
2015-04-09

Determination of polycyclic aromatic hydrocarbons in water using nanoporous material prepared from waste avian egg shell

#85
20150089997
2015-04-02

System and method for rapid analysis of polycyclic aromatic hydrocarbons

#86
20150079691
2015-03-19

Catalytic oxidation of polar modifiers in chromatographic mobile phases

#87
20150078962
2015-03-19

Microfluidic flame ionization detector

#88
20150037210
2015-02-05

Method for producing a functional unit and corresponding functional unit

#89
20140150527
2014-06-05

Device for measuring total or fractionated quantity of hydrocarbons in a solid sample

#90
20140118742
2014-05-01

Flame photometric detector

#91
20140035593
2014-02-06

Method for the production of a flame ionization detector and corresponding flame ionization detector

#92
20130333443
2013-12-19

Hydrogen flame ionization type exhaust gas analyzer

#93
20130276512
2013-10-24

Portable gas analyzer

#94
20130210160
2013-08-15

METHOD AND DEVICE FOR DETECTING HYDROGEN

#95
20110239737
2011-10-06

Apparatus and method for quenching-resistant multiple flame photometric detector

#96
20110211993
2011-09-01

Jet assembly for use in detectors and other devices

#97
20110192214
2011-08-11

Field gas chromatograph with flame ionization

#98
20110091983
2011-04-21

Thermal conductivity detection method and device for gas chromatography

#99
20100310419
2010-12-09

Method for supplying gas mixtures for an analyzer

#100
20100301870
2010-12-02

Flame ionization detector

#101
20090277245
2009-11-12

Methods and systems for cooling a chromatographic column

#102
20090261245
2009-10-22

GC-MS analyzer switchable between one-dimensional and two-dimensional modes

#103
20080314747
2008-12-25

ANALYZER

#104
20080296487
2008-12-04

Method and system for chemical and physical characterization of complex samples

#105
20080213908
2008-09-04

FLAME DETECTOR

#106
20070181798
2007-08-09

Method and system for chemical and physical characterization of complex samples

#107
20070031974
2007-02-08

Gas analysis method

#108
20060278076
2006-12-14

Methods and systems for cooling a chromatographic column

#109
20060275174
2006-12-07

Transportable measuring apparatus utilizing hydrogen flame

#110
20060216205
2006-09-28

Analyzer

#111
20060153734
2006-07-13

Flame photometric detector having improved sensitivity

#112
20060021940
2006-02-02

Method and device for integrated analysis of a hydrocarbon sample

#113
20050244980
2005-11-03

On-line gas chromatographic analysis of airborne particles

#114
20050226765
2005-10-13

Analyte detection system

#115
20050178747
2005-08-18

Flame photometric detector of gas chromatograph

#116
20050032230
2005-02-10

Method and apparatus for analyzing gas for trace amounts of oxygen

#117
15363749
2017-05-02

Method for producing hexafluoroisopropanol and fluoromethyl hexafluoroisopropyl ether (sevoflurane)