ClassID:

167421

G01N7/14 - CPC Classification

Classification description:

Analysing materials by measuring the pressure or volume of a gas or vapour by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference

Sub-classes:
Recent Application in this class:
#1
20250305922
2025-10-02

CONCENTRATION MEASUREMENT DEVICE, CONCENTRATION MEASUREMENT METHOD, STARTING MATERIAL VAPORIZATION SYSTEM, AND CONCENTRATION MEASUREMENT METHOD FOR STARTING MATERIAL VAPORIZATION SYSTEM

#2
20250224320
2025-07-10

DESORBED GAS AMOUNT TESTING DEVICE AND MEASURING METHOD

#3
20240272057
2024-08-15

Modeling Gas Desorption in a Subsurface Reservoir

#4
20230358722
2023-11-09

MEASUREMENT AND CONTROL OF ENTRAINED AIR AND FOAM IN METALWORKING FLUIDS

#5
20230184653
2023-06-15

DEVICE FOR MEASURING PHYSICOCHEMICAL PROPERTIES OF A DEFORMABLE MATRIX, IMPLEMENTATION METHOD AND USES

#6
20230160872
2023-05-25

MEASUREMENT AND CONTROL OF ENTRAINED AIR AND FOAM IN METALWORKING FLUIDS

#7
20220349795
2022-11-03

Concentration measuring device

#8
20220341833
2022-10-27

Measuring device and method for gas solubility in natural gas hydrate solution system

#9
20220170903
2022-06-02

Measurement device and method

#10
20220155200
2022-05-19

Using vapor pressure to determine concentrations of components in a multi-component fluid

#11
20220146295
2022-05-12

Determining a vapor pressure using a vapor pressure meter factor

#12
20210372246
2021-12-02

Optimization technique for CO2-EOR miscibility management in an oil reservoir

#13
20210247284
2021-08-12

Method of measuring a minimum pressure for gas bubble generation of a capillary tube, and related methods

#14
20210172846
2021-06-10

Method for measuring the vapor pressure of liquid and solid substances

#15
20200251705
2020-08-06

Component for measuring pressure change in pouch-type battery, and method for measuring pressure change in pouch-type battery by using same

#16
20200144681
2020-05-07

Gas measuring apparatus for secondary battery

#17
20200049604
2020-02-13

System and method for determining vapor pressure of produced hydrocarbon streams via spectroscopy

#18
20190218954
2019-07-18

Radio frequency sensor system incorporating machine learning system and method

#19
20190184816
2019-06-20

Method for determining the thermodynamic state of the fuel in a fuel system

#20
20190178768
2019-06-13

Early warning system for error detection in nitrogen generators

#21
20190167184
2019-06-06

Device for measuring transepidermal water loss and skin care system using same

#22
20190003881
2019-01-03

Method, program, cumulative received-light amount estimation apparatus, and health care system using solar radiation amount information corresponding to position information of a device and time information

#23
20180372570
2018-12-27

System and method for analysing vapour pressure

#24
20170343456
2017-11-30

Determining device and determining method

#25
20170299420
2017-10-19

Flow rate verification unit

#26
20170131194
2017-05-11

System and method for determining vapor pressure of produced hydrocarbon streams via spectroscopy

#27
20160282250
2016-09-29

Method of inspecting ultraviolet curable resin for optical fiber and method of manufacturing optical fiber

#28
20160153882
2016-06-02

Environmental sensor and a method for determining relative vapour pressure

#29
20160041052
2016-02-11

System and method for analysing vapour pressure

#30
20150369715
2015-12-24

Automatic measuring instrument and measuring method for unconventional natural gas content

#31
20150355155
2015-12-10

Method of measuring dissolved methane in seawater

#32
20150293002
2015-10-15

Method of measuring concentrations of gas mixtures

#33
20150224216
2015-08-13

Measurement of the NCG concentration in a steam sterilizer

#34
20150211971
2015-07-30

System and method for determining vapor pressure of produced hydrocarbon streams via spectroscopy

#35
20150066421
2015-03-05

Method for following degassing rate by measuring partial pressures measured by mass spectrometry

#36
20150020572
2015-01-22

Method for diagnosing internal fault of oil-immersed transformer through composition ratio of dissolved gas in oil

#37
20140352413
2014-12-04

MOISTURE TRANSMISSION TESTING INSTRUMENT

#38
20140277988
2014-09-18

Vehicle speed control system and method

#39
20140250979
2014-09-11

Steam quality measurement system

#40
20140137635
2014-05-22

Low dead-volume core-degassing apparatus

#41
20130204549
2013-08-08

Method of managing decontamination and decontamination management apparatus for use in the method

#42
20130132020
2013-05-23

METHOD AND FACILITY, USING TRANSFER BETWEEN A GAS AND A LIQUID, FOR PREDETERMINING AT LEAST ONE CONVERSION PARAMETER

#43
20120266663
2012-10-25

Device for measuring the activity of a liquid in a complex medium and associated method

#44
20120118041
2012-05-17

System and method for testing gas migration process in coal-rock mass

#45
20110247395
2011-10-13

Apparatus for collecting gas sample in foam, and analysis method using the same

#46
20110093200
2011-04-21

Methods and apparatus to determine phase-change pressures

#47
20100332108
2010-12-30

FUEL VAPOR PRESSURE MEASURING DEVICE

#48
20100005856
2010-01-14

Apparatus for performing dissolved gas analysis

#49
20100000306
2010-01-07

Method and kit for adsorbent performance evaluation

#50
20090260416
2009-10-22

Low dead-volume core-degassing apparatus

#51
20090241639
2009-10-01

Method for the detection of gaseous impurities in materials

#52
20090178460
2009-07-16

Gas amount measurement device

#53
20090107000
2009-04-30

Method and Device for Freeze-Drying Products

#54
20090064767
2009-03-12

Method for ascertaining an ethanol content of a fuel

#55
20080183420
2008-07-31

Method of evaluating a film

#56
20080014116
2008-01-17

PASSIVE TYPE EMISSION FLUX SAMPLER

#57
20070190655
2007-08-16

Passive type emission flux sampler and flux measuring apparatus

#58
20070190232
2007-08-16

Method and system for characterizing porous materials

#59
20070000337
2007-01-04

Method and apparatus for handling small quantities of fluids

#60
20060191317
2006-08-31

Method of evaluating safety of liquids for drum storage

#61
20060096367
2006-05-11

Apparatus for measuring gas exchange

#62
20060024849
2006-02-02

Method and system for characterizing porous materials

#63
20050191453
2005-09-01

System and method for computer analysis of pressure decay data and evaluation of shelf-life of material packaged in plastic containers

#64
20050109078
2005-05-26

Real time determination of gas solubility and related parameters in manufacturing processes

#65
20050092062
2005-05-05

Device and method for determining the gas content of a liquid