ClassID:

167281

G01N1/2252 - CPC Classification

Classification description:

Sampling; Preparing specimens for investigation; Devices for withdrawing samples in the gaseous state; Sampling from a flowing stream of gas in a vehicle exhaust

Sub-classes:
Recent Application in this class:
#1
20260049907
2026-02-19

ATMOSPHERIC MOISTURE MEASURING SYSTEM

#2
20250389625
2025-12-25

VEHICLE-MOUNTED DRAIN SEPARATOR, AND VEHICLE-MOUNTED EXHAUST GAS ANALYSIS DEVICE

#3
20240328907
2024-10-03

SENSOR ELEMENT AND METHOD OF MANUFACTURING SENSOR ELEMENT

#4
20230375503
2023-11-23

GAS ANALYSIS DEVICE AND GAS ANALYSIS METHOD

#5
20230366827
2023-11-16

EXHAUST GAS ANALYSIS DEVICE, EXHAUST GAS ANALYSIS METHOD, AND PROGRAM STORAGE MEDIUM FOR EXHAUST GAS ANALYSIS DEVICE

#6
20230204475
2023-06-29

DILUTION GAS MIXING UNIT AND EXHAUST GAS ANALYSIS SYSTEM

#7
20230184634
2023-06-15

SYSTEM AND METHOD FOR UNIFIED SAMPLING OF PARTICULATE MATTER FOR REDUCING THE DISPERSION OF RESULTS IN VEHICLE EMISSIONS TESTS

#8
20230101265
2023-03-30

System and method for quantifying source and component emission rates from a body in a flow field

#9
20230060801
2023-03-02

Method and apparatus for monitoring number density of aerosol particles

#10
20220381658
2022-12-01

Semi-Volatile Particulate Matter Detection

#11
20220283072
2022-09-08

Mirror calibration of multiple flow-measurement devices

#12
20220235688
2022-07-28

EXHAUST GAS SENSOR ASSEMBLY

#13
20220229032
2022-07-21

EXHAUST GAS ANALYZING DEVICE, GAS SUPPLY METHOD, AND EXHAUST GAS SAMPLING DEVICE

#14
20220163430
2022-05-26

Diluting device for aerosol measurements

#15
20210285851
2021-09-16

System for sampling and analyzing contrails generated by an aircraft

#16
20210231551
2021-07-29

Particle concentration analyzing system and method

#17
20210231537
2021-07-29

Pressure reduction system and method for reducing the pressure of high pressure aerosols

#18
20210231069
2021-07-29

Device for simulating the evolution process of an internal combustion engine exhaust particle flow for reducing automotive emissions

#19
20210190637
2021-06-24

ANALYSIS SYSTEM AND ANALYSIS METHOD

#20
20210190636
2021-06-24

CONTROL CABINET

#21
20210156292
2021-05-27

GAS SENSOR HEAD

#22
20210003485
2021-01-07

Environmental sampling system and method

#23
20200371009
2020-11-26

Laser-induced incandescent particle sensor comprising a confocal arrangement of a laser spot and of a thermal radiation spot

#24
20200323099
2020-10-08

Switch cabinet for exhaust-gas measurement installations

#25
20200319064
2020-10-08

Exhaust gas sample taking system

#26
20200319063
2020-10-08

SWITCH CABINET FOR EXHAUST-GAS MEASUREMENT INSTALLATIONS

#27
20200292427
2020-09-17

Control cabinet arrangement

#28
20200292422
2020-09-17

Sensor device

#29
20200292421
2020-09-17

Sensor device detecting specific component in gas

#30
20200249132
2020-08-06

LOW PERMEABLITY SAMPLE BAG

#31
20200225126
2020-07-16

Laser-based in-situ exhaust gas sensor

#32
20200072784
2020-03-05

Sensor element

#33
20200049680
2020-02-13

Uniformity index performance evaluation in an SCR aftertreatment system

#34
20200018679
2020-01-16

PARTICULATE MATTER DETECTION SENSOR AND PARTICULATE MATTER DETECTION APPARATUS

#35
20200003662
2020-01-02

Pressure reduction system and method for reducing the pressure of high pressure aerosols

#36
20190391062
2019-12-26

Sensor for use in an exhaust gas stream of an internal combustion engine

#37
20190391053
2019-12-26

Intelligent bag filling for exhaust sampling system

#38
20190293541
2019-09-26

PARTICULATE MATTER DETECTION APPARATUS

#39
20190242786
2019-08-08

Gas feed unit for an exhaust-gas analysis unit for the measurement of exhaust gases of internal combustion engines

#40
20190218951
2019-07-18

Assembly and method for determining lambda values

#41
20190195113
2019-06-27

Exhaust gas sampling apparatus, exhaust gas analysis system, exhaust gas sampling method, and exhaust gas sampling program

#42
20190187030
2019-06-20

Inspection apparatus and inspection system

#43
20190162636
2019-05-30

Process and device for diluting an aerosol

#44
20190137465
2019-05-09

Calibration method for gas analysis apparatus, gas analysis system, and pressure varying device

#45
20190113422
2019-04-18

Exhaust gas analysis apparatus, exhaust gas analysis system, exhaust gas measurement method, program recording medium recorded with program for exhaust gas analysis apparatus, and calibration method for exhaust gas analysis

#46
20190107063
2019-04-11

Method for reducing range of fluctuation of exhaust emission values of identically constructed engine arrangements of a production series

#47
20190101474
2019-04-04

Open emission analysis method and device

#48
20190094110
2019-03-28

Leak detection method for open emission analysis, and open emission analysis device

#49
20190064035
2019-02-28

Exhaust gas analysis device, exhaust gas analysis method and storage medium recording programs for exhaust gas analysis device

#50
20180340461
2018-11-29

Exhaust gas analysis apparatus and exhaust gas analysis method

#51
20180245499
2018-08-30

Particulate matter sensor with engineered particle size cut-point

#52
20180238777
2018-08-23

Apparatus and process for measuring characteristics of particle flow

#53
20180195927
2018-07-12

System and method for detecting a leak in an exhaust gas sampling apparatus

#54
20180190101
2018-07-05

Oil and gas production facility emissions sensing and alerting device, system and method

#55
20180164838
2018-06-14

Fluid analysis apparatus and fluid analysis method

#56
20180164185
2018-06-14

DIFFERENTIAL PRESSURE FLOW METER, EXHAUST GAS ANALYSIS DEVICE AND FLOW RATE MEASUREMENT METHOD

#57
20180164184
2018-06-14

In-vehicle exhaust gas analysis system, inspection system for in-vehicle exhaust gas analysis system, inspection method for in-vehicle exhaust gas analysis system, and inspection program

#58
20180163666
2018-06-14

Gas analysis device, gas sampling device and gas analysis method

#59
20180143107
2018-05-24

Particulate detection system

#60
20180113058
2018-04-26

Exhaust Emission Measurement System and Method

#61
20180017470
2018-01-18

Exhaust-gas sampling system, and method for operating an exhaust-gas sampling system of said type

#62
20180003609
2018-01-04

Sensor for detecting an emission amount of particulate matter

#63
20170343463
2017-11-30

Particulate detection system

#64
20170343462
2017-11-30

Exhaust gas analysis system, recording medium recorded with program for exhaust gas analysis system, and exhaust gas analyzing method

#65
20170307501
2017-10-26

Filter failure detection device and particulate matter detection device

#66
20170168275
2017-06-15

Multireflection cell, analyzer, exhaust gas analyzer, and light incident method

#67
20170168033
2017-06-15

Exhaust gas measuring system

#68
20170167348
2017-06-15

Exhaust gas measurement apparatus, program to be installed therein, and control method thereof

#69
20170131185
2017-05-11

Particulate matter detection sensor

#70
20170074756
2017-03-16

Intelligent bag filling for exhaust sampling system

#71
20170058735
2017-03-02

Method and system for exhaust particulate matter sensing

#72
20160356678
2016-12-08

Low permeability sample bag

#73
20160348820
2016-12-01

Quick connect testing jig

#74
20160319726
2016-11-03

Exhaust gas measurement system and exhaust gas measurement method

#75
20160305846
2016-10-20

Method and device for measuring pollutants contained in engine exhaust

#76
20160273438
2016-09-22

Exhaust gas sampling apparatus and exhaust gas analysis system

#77
20160211127
2016-07-21

Multiple oil-emission measuring device for engines

#78
20160209300
2016-07-21

Exhaust Sampling System And Method For Water Vapor Management

#79
20160139071
2016-05-19

Gas sensor apparatus and installation structure of gas sensor apparatus

#80
20160116373
2016-04-28

Exhaust gas analysis system mounted on mobile object

#81
20160115850
2016-04-28

Exhaust gas analyzing system and pumping device

#82
20160109425
2016-04-21

Filter retentate analysis and diagnostics

#83
20160047718
2016-02-18

Exhaust gas measuring information processing apparatus, exhaust gas measuring system, and recording medium

#84
20160018309
2016-01-21

Exhaust gas analysis system and exhaust gas analysis program

#85
20150377750
2015-12-31

Non-Condensing Gas Sampling Probe System

#86
20150338320
2015-11-26

CVS system sample water vapor management

#87
20150338311
2015-11-26

Emissions measurement equipment and method

#88
20150330875
2015-11-19

Exhaust gas sampling mechanism and exhaust gas analysis apparatus

#89
20150330868
2015-11-19

Exhaust gas analyzing apparatus

#90
20150316447
2015-11-05

Exhaust gas analyzer verification system

#91
20150308930
2015-10-29

PARTICLE MEASURING DEVICE AND METHOD FOR OPERATING THE PARTICLE MEASURING DEVICE

#92
20150285711
2015-10-08

Microparticle detection system

#93
20150241400
2015-08-27

Uniformity index performance evaluation in an SCR aftertreatement system

#94
20150177203
2015-06-25

Exhaust sampling system and method for synchronizing time alignment and dilation

#95
20150153255
2015-06-04

Exhaust gas dilution device

#96
20150153254
2015-06-04

Intelligent bag filling for exhaust sampling system

#97
20150114087
2015-04-30

PARTICULATE MEASUREMENT SYSTEM

#98
20150107330
2015-04-23

EXHAUST GAS SAMPLING DEVICE AND EXHAUST GAS ANALYZING SYSTEM

#99
20150075135
2015-03-19

Method and device for determining the concentration of aerosols in hot gases, particularly in exhaust gases of internal combustion engines

#100
20150020582
2015-01-22

System for taking exhaust gas samples from internal combustion engines

#101
20150020574
2015-01-22

Microparticle sensor

#102
20150015881
2015-01-15

Gas concentration estimation device

#103
20140338540
2014-11-20

Exhaust gas flowmeter and exhaust gas analyzing system

#104
20140331980
2014-11-13

Method and system for measuring the mass flow by means of dilution of an exhaust gas from internal combustion

#105
20140301899
2014-10-09

Gas analysis apparatus

#106
20140293732
2014-10-02

Exhaust gas mixer and constant volume sampling apparatus

#107
20140290348
2014-10-02

Abnormality detecting device of internal combustion engine

#108
20140290336
2014-10-02

Exhaust gas sampling apparatus and exhaust gas sampling method

#109
20140251031
2014-09-11

Exhaust gas sampling apparatus

#110
20140250976
2014-09-11

Exhaust gas analyzing apparatus

#111
20140216132
2014-08-07

Exhaust gas sampling apparatus

#112
20140129157
2014-05-08

Analysis system, information processing device and program

#113
20140129153
2014-05-08

Analysis system and management device

#114
20140069169
2014-03-13

Apparatus for monitoring particles in an aerosol

#115
20140036617
2014-02-06

Exhaust gas dilution device and PM measurement system

#116
20130317757
2013-11-28

Exhaust sampling system and method for water vapor management

#117
20130312615
2013-11-28

Exhaust gas analyzing apparatus

#118
20130312489
2013-11-28

Exhaust gas analyzing system

#119
20130312486
2013-11-28

Exhaust gas analyzing apparatus, exhaust gas analyzing system and method of operating the same

#120
20130276552
2013-10-24

Raw proportional toxic sampler for sampling exhaust

#121
20130233052
2013-09-12

System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles

#122
20130174641
2013-07-11

Exhaust gas analysis system and exhaust gas analysis program

#123
20130136656
2013-05-30

Exhaust gas measurement device and recording medium having program for exhaust gas measurement device recorded thereon

#124
20130133440
2013-05-30

Diluter for measuring engine exhaust emissions

#125
20130133308
2013-05-30

Apparatus and methods for determination of total and solid carbon content of engine exhaust

#126
20130118244
2013-05-16

Exhaust gas analysis system and program for this system

#127
20130118148
2013-05-16

Advanced exhaust-gas sampler for exhaust sensor

#128
20130098479
2013-04-25

Gas Extractor for Exhaust Gas Monitoring

#129
20130060485
2013-03-07

METHOD FOR AUTOMATICALLY OPERATING A MEASURING DEVICE FOR MEASURING PARTICLES IN GASES

#130
20130047703
2013-02-28

DEVICE FOR MEASURING PARTICULATE CONCENTRATION IN MOTOR VEHICLE EXHAUST GASES

#131
20130037137
2013-02-14

Exhaust sensor arrangement structure

#132
20130032033
2013-02-07

System and Method for Analysing Exhaust Gas

#133
20130031967
2013-02-07

Exhaust sensor

#134
20130014560
2013-01-17

Sample system for gaseous emission measurement

#135
20130000396
2013-01-03

SYSTEM AND METHOD FOR QUANTIFYING THE PRESENCE OF COMPONENTS IN THE EXHAUST OF COMMERCIAL AND/OR HEAVY-DUTY VEHICLES

#136
20120312074
2012-12-13

Agglomeration and charge loss sensor for measuring particulate matter

#137
20120304738
2012-12-06

Apparatus for monitoring particles

#138
20120304737
2012-12-06

Emissions test system and method

#139
20120291632
2012-11-22

Particulate matter detecting apparatus for internal combustion engine

#140
20120266687
2012-10-25

EXHAUST GAS SAMPLING DEVICE

#141
20120247108
2012-10-04

Combustor probe for gas turbine

#142
20120239308
2012-09-20

Emissions measuring system

#143
20120234172
2012-09-20

Fine particle sensor and mounting structure therefor

#144
20120225488
2012-09-06

Particulate measurement system

#145
20120210803
2012-08-23

CVS system sample water vapor management

#146
20120202210
2012-08-09

Biohazard detection system with exhaust stream recycling

#147
20120174989
2012-07-12

Method of measuring characteristics of critical orifice type constant flow rate instrument for use in multistage dilution mechanism

#148
20120160009
2012-06-28

Exhaust gas analyzing system and exhaust gas analyzing method

#149
20120130584
2012-05-24

System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles

#150
20120125090
2012-05-24

Method and system to diagnose exhaust gas sensor deterioration

#151
20120125080
2012-05-24

Exhaust gas sampling and analysis system

#152
20120090377
2012-04-19

System for determining number of particles

#153
20120036836
2012-02-16

System for taking exhaust gas samples from internal combustion engines

#154
20110285998
2011-11-24

Adsorptive gas analyzer

#155
20110265552
2011-11-03

System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles

#156
20110252864
2011-10-20

Emissions test system and method

#157
20110192145
2011-08-11

Particulate matter measuring device

#158
20110179769
2011-07-28

Advanced exhaust-gas sampler for exhaust sensor

#159
20110174052
2011-07-21

Hydrogen sensor assembly

#160
20110163761
2011-07-07

Particulate matter detection device and inspection method of the particulate matter detection device

#161
20110162435
2011-07-07

System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles

#162
20110120096
2011-05-26

Particulate matter measurement device

#163
20110117000
2011-05-19

Method for refining dilution air and dilution air refinery

#164
20110050243
2011-03-03

Particle measurement process and apparatus

#165
20110048105
2011-03-03

Dilution system test apparatus with added capability and method of operating same

#166
20100313684
2010-12-16

DEVICE FOR DILUTING A GAS TO BE ANALYZED WITH A DILUTION GAS

#167
20100292934
2010-11-18

EMISSIONS ANALYZER AND METHODS OF USING SAME

#168
20100242457
2010-09-30

Particulate matter concentration measuring apparatus

#169
20100229371
2010-09-16

Tubular structure for fixing particulate matter detection device

#170
20100218595
2010-09-02

PARTICULATE FILTER AND METHOD OF USE

#171
20100192670
2010-08-05

Device and method for measuring exhaust gas with charged particles

#172
20100175459
2010-07-15

Device for the determination of the concentration of solid particles

#173
20100101302
2010-04-29

Particulate sampling system and method of reducing oversampling during transients

#174
20100058878
2010-03-11

Diluter for exhaust gas sampling and method therefor

#175
20100000339
2010-01-07

CVS system sample water vapor management

#176
20090272181
2009-11-05

System and method for quantifying the presence of components in the exhaust of commercial and/or heavy-duty vehicles

#177
20090229343
2009-09-17

SENSOR CONTROL APPARATUS AND SENSOR CONTROL SYSTEM

#178
20090211333
2009-08-27

Sensor assembly having a flow head

#179
20090178494
2009-07-16

Source dilution sampling system for emissions analysis

#180
20090158814
2009-06-25

Method and configuration for testing a particle filter for an internal combustion engine

#181
20090151425
2009-06-18

NOx SENSOR DIAGNOSTIC DEVICE FOR INTERNAL COMBUSTION ENGINE

#182
20090094963
2009-04-16

Exhaust particulate matter measuring apparatus

#183
20090094950
2009-04-16

Calibration unit for volatile particle remover

#184
20090084200
2009-04-02

Exhaust gas dilution device

#185
20090003125
2009-01-01

EXHAUST GAS ANALYZER

#186
20090000349
2009-01-01

Controlled humidification calibration checking of continuous emissions monitoring system

#187
20080202206
2008-08-28

EXTRACTIVE SAMPLING SYSTEM AND METHOD FOR MEASURING ONE OR MORE MOLECULAR SPECIES

#188
20080198382
2008-08-21

Method and assembly for determining soot particles in a gas stream

#189
20080190168
2008-08-14

Fast response proportional sampling system and method for exhaust gas analysis

#190
20080156116
2008-07-03

Dilution device

#191
20080148874
2008-06-26

Solid particle counting system with flow meter upstream of evaporation unit

#192
20080148870
2008-06-26

Flow splitter for a solid particle counting system

#193
20080148813
2008-06-26

EXHAUST GAS MEASURING BAG

#194
20080148812
2008-06-26

Solid particle counting system with valve to allow reduction of pressure pulse at particle counter when vacuum pump is started

#195
20080087107
2008-04-17

Particulate sampler and dilution gas flow device arrangement for an exhaust sampling system

#196
20080066565
2008-03-20

CVS system sample water vapor management

#197
20080060457
2008-03-13

Residence time chamber and sampling apparatus

#198
20080060456
2008-03-13

Source dilution sampling system for emissions analysis

#199
20080047847
2008-02-28

Sensor element for particle sensors and method for operating the sensor element

#200
20080034839
2008-02-14

Method and Device for Monitoring Particle Concentration in Gas Stream

#201
20070251307
2007-11-01

Particulate sampling system and method

#202
20070242261
2007-10-18

Aerosol measurement by dilution and particle counting

#203
20070144245
2007-06-28

PM generating apparatus

#204
20070125188
2007-06-07

Particulate deposit avoidance and probe positioning

#205
20070069718
2007-03-29

Test fixture for collecting particulate material

#206
20070068236
2007-03-29

Sampler for engine exhaust dilution

#207
20060288801
2006-12-28

Variable response time transient partial flow sampling system and method

#208
20060256330
2006-11-16

Method and device for comprehensive characterization and monitoring of exhaust gas and control of engines, and components for aftertreatment of exhaust gases

#209
20060216826
2006-09-28

Particulate sampler system flow calibration

#210
20060179960
2006-08-17

Wide range continuous diluter

#211
20060144124
2006-07-06

Exhaust gas analyzer

#212
20060130599
2006-06-22

Dilution tunnel

#213
20060096394
2006-05-11

Extractive sampling system and method for measuring one or more molecular species

#214
20060065860
2006-03-30

Apparatus for monitoring engine exhaust

#215
20060042701
2006-03-02

Emissions sampling valve

#216
20060005607
2006-01-12

Apparatus and method for determining evaporative emissions

#217
20050274169
2005-12-15

Vehicle/engine sampling system for precise analysis of exhaust components

#218
20050247105
2005-11-10

Particulate filter and method of use

#219
20050160840
2005-07-28

System, apparatus, and method for guiding an exhaust gas

#220
20050109129
2005-05-26

Particulate deposit avoidance and probe positioning

#221
20050076704
2005-04-14

Acoustic particulates density sensor

#222
20050056103
2005-03-17

Gas sampling bag

#223
20050032232
2005-02-10

Engine exhaust emissions measurement correction