ClassID:

167276

G01N2001/2238 - CPC Classification

Classification description:

Sampling; Preparing specimens for investigation; Devices for withdrawing samples in the gaseous state; Sampling from a closed space, e.g. food package, head space the gas being compressed or pressurized

Recent Application in this class:
#1
20250354900
2025-11-20

PROTECTIVE CASE FOR GAS SAMPLING CYLINDER

#2
20250164354
2025-05-22

GAS SAMPLING VALVE APPARATUS AND METHOD

#3
20250067635
2025-02-27

GAS COLLECTION DEVICE

#4
20250060288
2025-02-20

SYSTEMS, APPARATUSES, AND METHODS FOR SAMPLE CYLINDER INSPECTION, PRESSURIZATION, AND SAMPLE DISPOSAL

#5
20240377287
2024-11-14

Systems, apparatuses, and methods for sample cylinder inspection, pressurization, and sample disposal

#6
20230122346
2023-04-20

AIR SAMPLING ACTUATOR AND ASSOCIATED METHOD

#7
20230098544
2023-03-30

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

#8
20220170897
2022-06-02

Gas sample introduction device, leak check method of gas sample introduction device

#9
20220034762
2022-02-03

Air sampling actuator and associated method

#10
20210316868
2021-10-14

Air quality improvement for pressurized aircraft

#11
20210310908
2021-10-07

Air sampling actuator and associated method

#12
20210309329
2021-10-07

DETERMINING THE PARTIAL PRESSURE OF A GAS IN A PRESSURE VESSEL

#13
20200200651
2020-06-25

Obtaining product sample from a vacuum vessel

#14
20200166447
2020-05-28

Test device for determining the particle loading of highly pressurised hydrogen

#15
20200088610
2020-03-19

Air sampler

#16
20190162633
2019-05-30

Method of sampling a cryogenic liquid

#17
20190128783
2019-05-02

System for automatic sampling and detection of on-line gas by high-temperature and high-pressure simulator and detection method thereof

#18
20190041298
2019-02-07

In-line thermal isolator for liquid sample conditioning

#19
20180246233
2018-08-30

Sample container, sampling system, nuclear power plant and corresponding operating method

#20
20170268965
2017-09-21

Sampling apparatus and sampling method

#21
20170167954
2017-06-15

Natural gas liquid pressure regulating vaporizer sampling system

#22
20170122848
2017-05-04

In-line thermal isolator for liquid sample conditioning

#23
20170115190
2017-04-27

Fluid sampling

#24
20170050711
2017-02-23

Determining the partial pressure of a gas in a pressure vessel

#25
20160349154
2016-12-01

Apparatus for fast high pressure syngas sampling

#26
20160223510
2016-08-04

Gas sampling device and filling station comprising such a device

#27
20140174208
2014-06-26

Gas sampling apparatus

#28
20140144254
2014-05-29

Natural gas liquid pressure regulating vaporizer sampling system

#29
20120111740
2012-05-10

Pressurized gas sampling apparatus

#30
20120103063
2012-05-03

Methods, devices, and systems for controlling the rate of gas depressurization within a vial containing a gas sample

#31
20110039957
2011-02-17

Method of extracting contents from the inside of a reactor kept at high temperature and high pressure, and synthesis reaction system of hydrocarbon compound

#32
20100229661
2010-09-16

Pressurized gas sampling container

#33
20100083771
2010-04-08

Gas sampling apparatus

#34
20080282814
2008-11-20

Gas sampling apparatus

#35
20080047370
2008-02-28

Sampling apparatus for constituents in natural gas lines

#36
20070175537
2007-08-02

Apparatus and method for dispensing high purity materials

#37
20070056394
2007-03-15

Pressurized gas sampling container

#38
18852821
2025-11-25

Gas sampling valve apparatus and method

#39
16190577
2019-04-02

System, method, and apparatus for determining air emissions during pig receiver depressurization

#40
16179674
2020-04-21

Modular sample system incorporating mounting bracket independent of housing, and method therefore

#41
16005431
2020-04-21

Modular sample system incorporating mounting bracket independent of housing, and method therefore

#42
16003250
2019-01-01

System, method, and apparatus for determining air emissions during pig receiver depressurization

#43
15661793
2018-09-18

Gas detection flow rate controller

#44
15626109
2018-07-17

System, method, and apparatus for determining air emissions during pig receiver depressurization

#45
13650636
2015-10-06

Portable carbon monoxide test device for scuba air tanks

#46
12968017
2014-12-09

Devices for obtaining cylinder samples of natural gas or process gas and methods therefore