Patents-Review.com
ClassID:

168846 ⎘

G01N2030/642 - 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 photoionisation detectors

Recent Application in this class:
#1
20260024739
2026-01-22

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

 #2
20250020616
2025-01-16

METHOD FOR MEASURING SURFACE CARBON LEVEL OF INORGANIC SOLID

 #3
20240395524
2024-11-28

PROCESS AND DEVICE FOR DETECTING AN OPERATING STATE OF A PHOTOIONIZATION DETECTOR

 #4
20240345041
2024-10-17

PHOTOIONIZATION DETECTOR

 #5
20240297034
2024-09-05

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

 #6
20230393095
2023-12-07

PHOTOIONIZATION DETECTOR LAMP AND ITS METHOD OF MANUFACTURE

 #7
20220390424
2022-12-08

Photoionization detector automated zero level calibration

 #8
20210405000
2021-12-30

Gas phase component analysis device and gas phase component analysis method

 #9
20210181170
2021-06-17

Photoionization detector automated zero level calibration

 #10
20210063370
2021-03-04

System, apparatus, and method for monitoring organic compounds in a gas environment

 #11
20210041411
2021-02-11

SYSTEM AND METHOD FOR MONITORING FOR THE PRESENCE OF VOLATILE ORGANIC COMPOUNDS

 #12
20200371077
2020-11-26

Photoionization detector automated zero level calibration

 #13
20200236772
2020-07-23

Dielectric barrier discharge ionization detector

 #14
20200199458
2020-06-25

Simulated distillation using gas chromatography with vacuum ultraviolet detection

 #15
20190113491
2019-04-18

Photoionization detector automated zero level calibration

 #16
20190094195
2019-03-28

System, apparatus, and method for monitoring organic compounds in a gas environment

 #17
20180164261
2018-06-14

Microfluidic photoionization detector

 #18
20180038832
2018-02-08

Discharge-based photo ionisation detector for use with a gas chromatography system

 #19
20170234834
2017-08-17

System and method for optimal chemical analysis

 #20
20160341698
2016-11-24

Discharge ionization detector

 #21
20160327526
2016-11-10

Method for ion detection

 #22
20150301008
2015-10-22

Method for ion detection

 #23
20140347062
2014-11-27

Photo ionization detector for gas chromatography having at least two separately ionizing sources

 #24
20140132277
2014-05-15

Photo ionization detector for gas chromatography having two separately ionizing sources and methods of use

 #25
20140053627
2014-02-27

Pulsed discharge helium ionization detector with multiple combined bias/collecting electrodes for gas chromatography and method of use

 #26
20110187379
2011-08-04

Discharge ionization current detector

 #27
20110133746
2011-06-09

Discharge Ionization Current Detector

 #28
20110018546
2011-01-27

Discharge ionization current detector

 #29
20100045159
2010-02-25

Micro discharge device capable of low voltage discharges in a variety of carrier gases for detection and/or ionization

 #30
20090100906
2009-04-23

Phased micro analyzer VIII

 #31
20070031974
2007-02-08

Gas analysis method

 #32
20060289809
2006-12-28

Ionization-based detection

 #33
20050142662
2005-06-30

Phased micro analyzer VIII

 #34
20050141999
2005-06-30

Micro ion pump

 #35
20050063865
2005-03-24

Phased VII micro fluid analyzer having a modular structure

 #36
20050042139
2005-02-24

Phased micro analyzer V, VI

 #37
17228287
2021-10-12

Photo-ionization device with improved linearity and stability