Patents-Review.com
ClassID:

167287 ⎘

G01N2001/227 - CPC Classification

Classification description:

Sampling; Preparing specimens for investigation; Devices for withdrawing samples in the gaseous state; Sampling from a flowing stream of gas separating gas from solid, e.g. filter

Recent Application in this class:
#1
20250231155
2025-07-17

ANALYZING GASES FROM INCLUSIONS IN MINERALS

 #2
20250035544
2025-01-30

GAS ANALYSIS DEVICE, GAS ANALYSIS METHOD, AND PROGRAM FOR GAS ANALYSIS DEVICE

 #3
20240319100
2024-09-26

GASIFICATION TAR MONITORING SYSTEM, GASIFICATION TAR MONITORING METHOD AND GASIFICATION TAR MONITORING DEVICE

 #4
20230417699
2023-12-28

Combustion analyzer

 #5
20230314289
2023-10-05

GAS MEASURING DEVICE AND GAS MEASURING SYSTEM

 #6
20230221281
2023-07-13

Desorber for a spectrometer

 #7
20230123798
2023-04-20

DILUTER, ANALYSIS SYSTEM, AND ANALYSIS METHOD

 #8
20230098544
2023-03-30

Elemental analysis device for analyzing test sample having cleaning gas supply mechanism

 #9
20230085113
2023-03-16

GAS SAMPLING APPARATUS FOR EXTRACTION OF GASEOUS SAMPLES

 #10
20230009668
2023-01-12

LIQUID IMPINGER SAMPLING SYSTEMS AND METHODS

 #11
20220018248
2022-01-20

Automatic gas sample handling and preparation for surface data logging applications

 #12
20210270702
2021-09-02

Air constituent measurement system, method and apparatus

 #13
20210156818
2021-05-27

Combustion analyzer

 #14
20200378874
2020-12-03

Continuous isokinetic sample device for stack gas having suction nozzle to which sectional area control device is attached, and automatic continuous measurement system for fine dust in stack gas comprising same combined therewith

 #15
20200333218
2020-10-22

REAL-TIME VAPOUR EXTRACTING DEVICE

 #16
20200209125
2020-07-02

FRACTIONATION GAS SAMPLING DEVICE

 #17
20190145865
2019-05-16

Removable cassette for an apparatus for sampling nanoparticles present in an aerosol, and filtration assembly for such a cassette

 #18
20190113421
2019-04-18

Sampling system with in-line temperature measurement and contol

 #19
20180299356
2018-10-18

Particulate matter sampler

 #20
20180238777
2018-08-23

Apparatus and process for measuring characteristics of particle flow

 #21
20180224355
2018-08-09

Air quality test unit and process

 #22
20180113057
2018-04-26

Method for active or passive sampling of particles and gas phase organic and non-organic components in a fluid flow

 #23
20170191114
2017-07-06

Extraction method, analytical method, extraction device, and analytical device

 #24
20170089810
2017-03-30

Air quality test unit and process

 #25
20160348561
2016-12-01

Analyzing apparatus and exhaust gas treating system

 #26
20160305854
2016-10-20

Air quality test unit and process

 #27
20160266018
2016-09-15

Analysis apparatus

 #28
20160245784
2016-08-25

AIR QUALITY SENSING MODULE AND ALGORITHM

 #29
20160223435
2016-08-04

Cartridge for airborne substance sensing device, and airborne substance sensing device

 #30
20100284006
2010-11-11

Environmental control of fluid samples, calibration, and detection of concentration levels

 #31
20100031732
2010-02-11

Device for quantifying the relative contents of two isotopes of at least one specific gaseous constituent contained in a gaseous sample from a fluid, related assembly and process

 #32
20100030475
2010-02-04

SMART DATA SUBSURFACE DATA REPOSITORY SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT

 #33
20090002182
2009-01-01

In-line smoke attenuator

 #34
20070180893
2007-08-09

Apparatus and method for taking gaseous samples

 #35
20050241481
2005-11-03

Filter for collecting chlorinated organic compound

 #36
20050241416
2005-11-03

Insitu inertial particulate separation system