ClassID:

168741

G01N2030/207 - 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; Preparation or injection of sample to be analysed; Injection using a sampling valve with metering cavity, e.g. sample loop

Sub-classes:
Recent Application in this class:
#1
20260063600
2026-03-05

FLAT SPIRAL GAS CHROMATOGRAPHY COLUMN

#2
20260056168
2026-02-26

AUTOSAMPLER

#3
20260023051
2026-01-22

SAMPLE INJECTOR FOR LIQUID CHROMATOGRAPHY, PARTICULARLY FOR HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

#4
20250189495
2025-06-12

METHOD FOR HIGH-THROUGHPUT LIQUID CHROMATOGRAPHY

#5
20250180524
2025-06-05

ROTATABLE SAMPLE NEEDLE FOR ANALYZER

#6
20250060340
2025-02-20

CONFIGURING AN INJECTOR FOR EMULATING OPERATION OF ANOTHER INJECTOR

#7
20240303319
2024-09-12

STACK PIVOT EXPLOIT DETECTION AND MITIGATION

#8
20240280547
2024-08-22

METHOD OF INTRODUCING A SAMPLE INTO A SEPARATION COLUMN AND CORRESPONDING SYSTEM

#9
20240241086
2024-07-18

FLUIDICALLY COUPLING OF SAMPLING AND SEPARATION PATHS

#10
20240167985
2024-05-23

SAMPLE INJECTOR FOR LIQUID CHROMATOGRAPHY, PARTICULARLY FOR HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

#11
20230160860
2023-05-25

Stack pivot exploit detection and mitigation

#12
20230125365
2023-04-27

Sample pre-compression valve for liquid chromatography

#13
20230094740
2023-03-30

Sample automation manager

#14
20220283127
2022-09-08

Branching off fluidic sample with low influence on source flow path

#15
20220163491
2022-05-26

System and method for component interconnection in HPLC

#16
20220137061
2022-05-05

Systems And Methods For Preparing A Sample and Performing A Real-Time Assay Of The Sample

#17
20220128519
2022-04-28

Configuring an injector for emulating operation of another injector

#18
20220065826
2022-03-03

Sample injector for liquid chromatography, particularly for high performance liquid chromatography

#19
20220050087
2022-02-17

Non-contiguous sample fractionating and concatenating device and dual online multidimensional liquid chromatography system having the same

#20
20220026401
2022-01-27

Auto-sampler for chromatographs

#21
20220026399
2022-01-27

Sample pre-compression valve for liquid chromatography

#22
20210394147
2021-12-23

Reactor with a pathway extension valve

#23
20210389282
2021-12-16

Injector serving multiple sample separation apparatuses

#24
20210302396
2021-09-30

LARGE VOLUME SAMPLE INJECTION FOR LIQUID CHROMATOGRAPHY

#25
20210302395
2021-09-30

Sample automation manager

#26
20210267477
2021-09-02

System and method for identifying and/or measuring a substance concentration in the exhaled breath of a patient

#27
20210164946
2021-06-03

Sample injector with metering device balancing pressure differences in an intermediate valve state

#28
20210148868
2021-05-20

Autosampler and fluid chromatograph

#29
20210102922
2021-04-08

Method of introducing a sample into a separation column and corresponding system

#30
20210033572
2021-02-04

Sample dispatching with fluidic sample retaining

#31
20210010609
2021-01-14

High pressure valve with multi-piece stator assembly

#32
20200408727
2020-12-31

Sample injection device

#33
20200340957
2020-10-29

Analysis device

#34
20200333300
2020-10-22

Branching off fluidic sample with low influence on source flow path

#35
20200319146
2020-10-08

Liquid chromatography multi-draw method, system and use for sampling

#36
20200240959
2020-07-30

Sample pre-compression valve for liquid chromatography

#37
20200150098
2020-05-14

Mechanisms and methods for liquid sample introduction into a chromatography system

#38
20200116676
2020-04-16

SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE

#39
20200116675
2020-04-16

Sample injector for liquid chromatography, particularly for high performance liquid chromatography

#40
20200041467
2020-02-06

CHROMATOGRAPHIC ANALYSIS WITH LOW PRESSURE DUAL GRADIENT REFOCUSING

#41
20190285521
2019-09-19

Inline dilution and autocalibration for ICP-MS speciation analysis

#42
20190282925
2019-09-19

High pressure valve with two-piece stator assembly

#43
20190265207
2019-08-29

Branching off fluidic sample with low influence on source flow path

#44
20190265206
2019-08-29

SYSTEMS, METHODS AND DEVICES FOR CROSS-STREAM INJECTION CHROMATOGRAPHY

#45
20190250130
2019-08-15

System for subjecting a sample to chromatographic analysis

#46
20190195838
2019-06-27

Systems, methods and devices addressing sample extraction and injection problems in chromatography

#47
20190120799
2019-04-25

Rotary injection valve with internal sample load channel

#48
20190113484
2019-04-18

Sample injector for liquid chromatography, particularly for high performance liquid chromatography

#49
20180306759
2018-10-25

SAMPLE INJECTOR FOR LIQUID CHROMATOGRAPHY, PARTICULARLY FOR HIGH PERFORMANCE LIQUID CHROMATOGRAPHY

#50
20180306758
2018-10-25

Sample pre-compression valve for liquid chromatography

#51
20180306757
2018-10-25

Systems, methods and devices for decreasing solubility problems in chromatography

#52
20180299414
2018-10-18

Gas sample injection device for gas chromatographic analysis, and method thereof

#53
20180284076
2018-10-04

Sampling method for the chromatographic analysis of the headspace

#54
20180267511
2018-09-20

Loop injection mechanism

#55
20180252329
2018-09-06

High pressure valve with multi-piece stator assembly

#56
20180246073
2018-08-30

SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE

#57
20180196018
2018-07-12

Mixer bypass sample injection for liquid chromatography

#58
20180164259
2018-06-14

High pressure valve with multi-piece stator assembly

#59
20180161697
2018-06-14

High pressure valve with two-piece stator assembly

#60
20180149625
2018-05-31

Automated sampling and reaction system for high pressure liquid chromatography and other types of detection

#61
20180128794
2018-05-10

Method of analysing gas chromatography data

#62
20180128788
2018-05-10

System and method for component interconnection in HPLC

#63
20180128787
2018-05-10

Method of introducing a sample into a separation column and corresponding system

#64
20180080908
2018-03-22

INJECTION VALVE ASSEMBLY WITH LOOPING INTERNAL SAMPLE LOOP

#65
20180052141
2018-02-22

Artifact compensation due to different properties of fluid accommodation volumes in sample separation apparatus

#66
20180038837
2018-02-08

Sample injection device

#67
20170343520
2017-11-30

Branching off fluidic sample with low influence on source flow path

#68
20170343518
2017-11-30

Sample injection with fluidic connection between fluid drive unit and sample accommodation volume

#69
20170336369
2017-11-23

System and method for performing a chromatography injection sequence using a single injection valve

#70
20170322187
2017-11-09

Metering device with defined enabled flow direction

#71
20170315025
2017-11-02

Sample introducing device and analyzing device provided therewith

#72
20170284979
2017-10-05

SAMPLE INJECTOR WITH METERING DEVICE BALANCING PRESSURE DIFFERENCES IN AN INTERMEDIATE VALVE STATE

#73
20170219539
2017-08-03

Sample pre-compression valve for liquid chromatography

#74
20170184553
2017-06-29

Volumetric flow regulation in multi-dimensional liquid analysis systems

#75
20170176400
2017-06-22

Dual online liquid chromatography device and control method thereof

#76
20170173496
2017-06-22

Low-retention pre-columns: a straightforward approach to enable larger injection volumes and reduce extra-column effects in HPLC

#77
20160195564
2016-07-07

Automated sampling and reaction system for high pressure liquid chromatography and other types of detection

#78
20160187304
2016-06-30

Apparatus and method for introducing sample into a separation unit of a chromatography system without disrupting a mobile phase

#79
20160061788
2016-03-03

Switching valve for flow type analysis apparatus

#80
20160054274
2016-02-25

Injector sample dilution for a liquid chromatography system

#81
20150316516
2015-11-05

Mixer bypass sample injection for liquid chromatography

#82
20150226711
2015-08-13

Volumetric flow regulation in multi-dimensional liquid analysis systems

#83
20150128685
2015-05-14

Sampling device at high precision and high pressure utilizing two drives

#84
20150047730
2015-02-19

Method and apparatus for sample injection in liquid chromatography

#85
20150047442
2015-02-19

Gas sample introduction device

#86
20150047422
2015-02-19

Introducing samples into supercritical fluid chromatography systems

#87
20150040648
2015-02-12

Liquid chromatography device, liquid chromatography analysis process, and non-transitory computer-readable medium for liquid chromotography analysis

#88
20150008171
2015-01-08

Fluoropolymer pneumatically/hydraulically actuated liquid chromatographic system for use with harsh reagents

#89
20140345371
2014-11-27

Sample Injector For Liquid Chromatography, Particularly For High Performance Liquid Chromatography

#90
20140338431
2014-11-20

Methods for Injecting Samples in Liquid Chromatography, Particularly in High Performance Liquid Chromatography

#91
20140137967
2014-05-22

Valves having protective coatings

#92
20130304393
2013-11-14

Method of analysing gas chromatography data

#93
20130067997
2013-03-21

Single injection valve for HPLC combining sample introduction, wash cycles and diagnosis

#94
20130056084
2013-03-07

Method and apparatus for sample injection in liquid chromatography

#95
20120216632
2012-08-30

Liquid sample analyzing apparatus and liquid sample introducing apparatus

#96
20120132013
2012-05-31

Sample injector with metering device balancing pressure differences in an intermediate valve state

#97
20110219890
2011-09-15

Sample injector

#98
20110186511
2011-08-04

Liquid chromatography apparatus and liquid chromatography

#99
20110185797
2011-08-04

Analyzing device and method for controlling same

#100
20110179856
2011-07-28

ANALYZING DEVICE

#101
20110021942
2011-01-27

Apparatus and method of analyzing constituents of gas in oral cavity and alveolar gas

#102
20110020939
2011-01-27

Chromatography-based monitoring and control of multiple process streams

#103
20110016955
2011-01-27

Sample Dilution for Chromatography of Multiple Process Streams

#104
20110011156
2011-01-20

Natural gas analyzer on a micro-chip

#105
20100307334
2010-12-09

Fluid separation method and fluid separation apparatus

#106
20100288025
2010-11-18

Sample injector for liquid chromatography, particularly for high performance liquid chromatography

#107
20100256010
2010-10-07

Sample injection system

#108
20100237235
2010-09-23

Devices and methods for coupling mass spectrometry devices with chromatography systems

#109
20100112208
2010-05-06

Titania-Based Coating for Capillary Microextraction

#110
20090301170
2009-12-10

Arrangement for metering a gaseous sample in a carrier gas stream

#111
20090139310
2009-06-04

Vented filter for automatic HPLC loop loading

#112
20080290309
2008-11-27

Pin valve assembly

#113
20080190498
2008-08-14

Flow through isolation valve for high pressure fluid

#114
20070287192
2007-12-13

High performance liquid chromatography sample introduction optimized with bubble detection

#115
20070107499
2007-05-17

Flow path switching valve and high performance liquid chromatograph using the same

#116
20070075242
2007-04-05

Sampler system

#117
20060013982
2006-01-19

Titania-based coating for capillary microextraction

#118
20050129539
2005-06-16

Equipment and method for feeding liquid gradient in nano/micro liquid chromatography

#119
14163311
2015-09-29

Injection valve