Patents-Review.com
ClassID:

168564 ⎘

G01N27/66 - CPC Classification

Classification description:

Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage

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

SYSTEM INCLUDING GAS ANALYZER AND METHOD OF CONTROLLING THE SAME

 #2
20260086068
2026-03-26

PHOTOIONIZATION DETECTOR WITH LAYERED ELECTRODES

 #3
20260024739
2026-01-22

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

 #4
20260016447
2026-01-15

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

 #5
20250290897
2025-09-18

PHOTOIONIZATION DETECTOR WITH IGNITION FAILURE WARNING SYSTEM

 #6
20250116642
2025-04-10

MEASURING SYSTEM OF GASEOUS SUBSTANCES

 #7
20240395524
2024-11-28

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

 #8
20240345041
2024-10-17

PHOTOIONIZATION DETECTOR

 #9
20240297034
2024-09-05

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

 #10
20240295529
2024-09-05

PHOTOIONIZATION DETECTOR HAVING IMPROVED GAIN AND REDUCED HUMIDITY SENSITIVITY

 #11
20240295528
2024-09-05

Galvanic current protection for photoionization detector

 #12
20240264117
2024-08-08

SENSOR ELEMENT FOR GAS SENSOR HAVING NANOROD STRUCTURE AND MANUFACTURING METHOD THEREOF, AND GAS SENSOR

 #13
20240159707
2024-05-16

Photoionization detector and method of operating same

 #14
20240085374
2024-03-14

Partial pressure gauge assembly for process contaminant detection using photoionization and associated method

 #15
20230408472
2023-12-21

METHODS AND SYSTEMS FOR LIMITING WATER WITHIN A PHOTOIONIZATION DETECTOR

 #16
20230408447
2023-12-21

MULTI-DIMENSIONAL RYDBERG FINGERPRINT SPECTROSCOPY

 #17
20230393095
2023-12-07

PHOTOIONIZATION DETECTOR LAMP AND ITS METHOD OF MANUFACTURE

 #18
20230341353
2023-10-26

PHOTOIONIZATION DETECTOR WITH LAYERED ELECTRODES

 #19
20230266272
2023-08-24

PHOTO-IONIZATION DETECTOR (PID) WITH MULTIPLE MEASURING CELLS AND PROCESS USING SUCH A PID

 #20
20230251225
2023-08-10

Device for improving gas detection in photoionization detector

 #21
20230194474
2023-06-22

Photoionization detector and method of operating same

 #22
20230176011
2023-06-08

Photoionization gas sensor

 #23
20220390424
2022-12-08

Photoionization detector automated zero level calibration

 #24
20220187245
2022-06-16

Photoionization detector and method of operating same

 #25
20220178876
2022-06-09

Ion generation apparatus and ion mobility analysis apparatus

 #26
20220170886
2022-06-02

Methods, apparatuses, and systems providing dehumidification for gas detecting components

 #27
20220011266
2022-01-13

Device for improving gas detection in photoionization detector

 #28
20210364468
2021-11-25

Optogalvanic effect detection system

 #29
20210333306
2021-10-28

Energy beam input to atom probe specimens from multiple angles

 #30
20210333236
2021-10-28

Gaseous detector of elementary particles

 #31
20210223205
2021-07-22

HIGH-SENSITIVITY MOLECULAR DETECTING DEVICE EMPLOYING METAL ION ENCAPSULATED FULLERENE

 #32
20210181170
2021-06-17

Photoionization detector automated zero level calibration

 #33
20210116428
2021-04-22

Electron capture detector

 #34
20210080429
2021-03-18

Voltage control for traveling wave characteristic variation

 #35
20210003542
2021-01-07

Methods and systems for limiting water within a photoionization detector

 #36
20200371077
2020-11-26

Photoionization detector automated zero level calibration

 #37
20200278320
2020-09-03

Device for improving gas detection in photoionization detector

 #38
20200025716
2020-01-23

Collection surface for electrodes in photoionization detector

 #39
20190113491
2019-04-18

Photoionization detector automated zero level calibration

 #40
20190078802
2019-03-14

Air purifier and air purification method

 #41
20190056354
2019-02-21

Feedback method and device on high voltage of a gas detector

 #42
20180335402
2018-11-22

Smoke detector having a magnet

 #43
20180321190
2018-11-08

Aerosol ionizer

 #44
20180299406
2018-10-18

Photo ionization detector with self-calibration

 #45
20180164261
2018-06-14

Microfluidic photoionization detector

 #46
20180080900
2018-03-22

Water immersible detector

 #47
20180067082
2018-03-08

Dielectric barrier discharge ionization detector

 #48
20180067079
2018-03-08

Dielectric barrier discharge ionization detector

 #49
20180059058
2018-03-01

Miniaturized discharge photo-ionization detector

 #50
20180038832
2018-02-08

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

 #51
20180007970
2018-01-11

Gas sensing for an aerosol delivery device

 #52
20180007968
2018-01-11

GAS SENSING FOR AN AEROSOL DELIVERY DEVICE

 #53
20170356879
2017-12-14

Aerosol ionizer

 #54
20170269049
2017-09-21

PHOTOIONIZATION DETECTOR SYSTEM FOR ORGANICS IN WATER

 #55
20170074828
2017-03-16

Volatile organic compound sensor

 #56
20160341698
2016-11-24

Discharge ionization detector

 #57
20160098909
2016-04-07

Differential current measurements to determine ion current in the presence of leakage current

 #58
20160049288
2016-02-18

Transmission window for a vacuum ultraviolet gas discharge lamp

 #59
20150369501
2015-12-24

Ductless fume hood gas monitoring and detection system

 #60
20150330944
2015-11-19

Aerosol ionizer

 #61
20150160163
2015-06-11

Hydrogen Concentration Meter

 #62
20150130473
2015-05-14

Miniaturized helium photoionization detector

 #63
20150008932
2015-01-08

Charged particle detector

 #64
20150004898
2015-01-01

Air sampling system providing compound discrimination via comparative PID approach

 #65
20140347062
2014-11-27

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

 #66
20140346344
2014-11-27

Direct measurements of nanoparticles and virus by virus mass spectrometry

 #67
20140132277
2014-05-15

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

 #68
20140125349
2014-05-08

ELECTROMETER CURRENT INJECTION BY HIGH VOLTAGE RAMP

 #69
20140102176
2014-04-17

Environmental monitoring system and method with a prefilter

 #70
20140097853
2014-04-10

Interference compensated photoionization detector

 #71
20140070814
2014-03-13

Discharge ionization current detector and gas chromatograph

 #72
20130293870
2013-11-07

Detector having a single source for ionization and photo detection

 #73
20130221972
2013-08-29

Discharge ionization current detector

 #74
20130154670
2013-06-20

Method and apparatus for detecting smoke in an ion chamber

 #75
20130154659
2013-06-20

Method and apparatus for detecting smoke in an ion chamber

 #76
20130154658
2013-06-20

Discharge ionization current detector

 #77
20130154657
2013-06-20

Method and apparatus for detecting smoke in an ion chamber

 #78
20130152783
2013-06-20

Ductless fume hood gas monitoring and detection system

 #79
20130088238
2013-04-11

Differential current measurements to determine ION current in the presence of leakage current

 #80
20120325684
2012-12-27

Electrochemical detection of particulates in a gaseous sample using potentiometric measurements in a gaseous flame electrolyte

 #81
20120279277
2012-11-08

Measuring device and method for detecting the hydrocarbon content in gases

 #82
20120241636
2012-09-27

APPARATUS FOR MEASURING COMPOUND USING PHOTO-IONIZATION DETECTOR

 #83
20120215445
2012-08-23

Automated control of analytical sampling with environmental monitoring system

 #84
20120181442
2012-07-19

Device and method for measuring an energy particle beam

 #85
20120136268
2012-05-31

Photo-ionization detectors and associated methods thereof

 #86
20110315872
2011-12-29

Oxygen detection method, air leakage determination method, gas component detection device, and vacuum processing apparatus

 #87
20110265550
2011-11-03

Measuring instrument and method for detecting the content of oil, hydrocarbons and oxidizable gases in air or compressed air

 #88
20110156715
2011-06-30

Environmental monitoring system and method with a prefilter

 #89
20110097812
2011-04-28

GAS DETECTOR AND PROCESS FOR MONITORING THE CONCENTRATION OF A GAS

 #90
20110056371
2011-03-10

Sensor

 #91
20110036145
2011-02-17

Ductless fume hood gas monitoring and detection system

 #92
20090115423
2009-05-07

Electrode contact pellet and associated photoionisation detector assembly

 #93
20060103395
2006-05-18

Electrical measurements in samples

 #94
20060043279
2006-03-02

Gas analysis method and ionisation detector for carrying out said method

 #95
20050218334
2005-10-06

Photoionization detectors, ionization chambers for use in photoionization detectors, and methods of use of photoionization detectors

 #96
20050132777
2005-06-23

Method of detecting and/or monitoring an increase in atmospheric radioactivity due to purposeful dispersion of radioactive material, such as in a terrorist attack

 #97
17223055
2023-09-26

Ionization device and method of operating same

 #98
15203452
2017-07-18

Systems and methods for assaying a liquid sample or alumina column for molybdenum content

 #99
14579366
2016-05-17

Annular gas ionization delta E-E detector