ClassID:

167282

G01N2001/2255 - 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 with dilution of the sample

Recent Application in this class:
#1
20250389625
2025-12-25

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

#2
20230375503
2023-11-23

GAS ANALYSIS DEVICE AND GAS ANALYSIS METHOD

#3
20230204475
2023-06-29

DILUTION GAS MIXING UNIT AND EXHAUST GAS ANALYSIS SYSTEM

#4
20230184634
2023-06-15

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

#5
20220283072
2022-09-08

Mirror calibration of multiple flow-measurement devices

#6
20220163430
2022-05-26

Diluting device for aerosol measurements

#7
20210190636
2021-06-24

CONTROL CABINET

#8
20200292427
2020-09-17

Control cabinet arrangement

#9
20200249132
2020-08-06

LOW PERMEABLITY SAMPLE BAG

#10
20190391053
2019-12-26

Intelligent bag filling for exhaust sampling system

#11
20190195113
2019-06-27

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

#12
20190162636
2019-05-30

Process and device for diluting an aerosol

#13
20190101474
2019-04-04

Open emission analysis method and device

#14
20190094110
2019-03-28

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

#15
20190064035
2019-02-28

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

#16
20180340461
2018-11-29

Exhaust gas analysis apparatus and exhaust gas analysis method

#17
20180195927
2018-07-12

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

#18
20180113058
2018-04-26

Exhaust Emission Measurement System and Method

#19
20170343462
2017-11-30

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

#20
20170212030
2017-07-27

Particle analyzing apparatus

#21
20170167348
2017-06-15

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

#22
20170074774
2017-03-16

Particle measuring apparatus and particle measuring method

#23
20170074756
2017-03-16

Intelligent bag filling for exhaust sampling system

#24
20160273438
2016-09-22

Exhaust gas sampling apparatus and exhaust gas analysis system

#25
20160209300
2016-07-21

Exhaust Sampling System And Method For Water Vapor Management

#26
20160116373
2016-04-28

Exhaust gas analysis system mounted on mobile object

#27
20160115850
2016-04-28

Exhaust gas analyzing system and pumping device

#28
20150338320
2015-11-26

CVS system sample water vapor management

#29
20150316447
2015-11-05

Exhaust gas analyzer verification system

#30
20150285711
2015-10-08

Microparticle detection system

#31
20150153255
2015-06-04

Exhaust gas dilution device

#32
20150153254
2015-06-04

Intelligent bag filling for exhaust sampling system

#33
20150020582
2015-01-22

System for taking exhaust gas samples from internal combustion engines

#34
20140338540
2014-11-20

Exhaust gas flowmeter and exhaust gas analyzing system

#35
20140293732
2014-10-02

Exhaust gas mixer and constant volume sampling apparatus

#36
20140290336
2014-10-02

Exhaust gas sampling apparatus and exhaust gas sampling method

#37
20140251031
2014-09-11

Exhaust gas sampling apparatus

#38
20140250976
2014-09-11

Exhaust gas analyzing apparatus

#39
20140216132
2014-08-07

Exhaust gas sampling apparatus

#40
20140036617
2014-02-06

Exhaust gas dilution device and PM measurement system

#41
20130317757
2013-11-28

Exhaust sampling system and method for water vapor management

#42
20130133440
2013-05-30

Diluter for measuring engine exhaust emissions

#43
20130133308
2013-05-30

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

#44
20120304737
2012-12-06

Emissions test system and method

#45
20120266687
2012-10-25

EXHAUST GAS SAMPLING DEVICE

#46
20120210803
2012-08-23

CVS system sample water vapor management

#47
20120017666
2012-01-26

Exhaust gas analyzing system

#48
20110252864
2011-10-20

Emissions test system and method

#49
20110117000
2011-05-19

Method for refining dilution air and dilution air refinery

#50
20100000339
2010-01-07

CVS system sample water vapor management

#51
20090094950
2009-04-16

Calibration unit for volatile particle remover