ClassID:

167571

G01N2015/0813 - CPC Classification

Classification description:

Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials; Investigating permeability, pore-volume, or surface area of porous materials Measuring intrusion, e.g. of mercury

Recent Application in this class:
#1
20250224324
2025-07-10

POROSITY MEASUREMENT USING A GALLIUM-BASED INTRUDING AGENT

#2
20240418623
2024-12-19

DETERMINING ASPECT RATIO DEPENDENT PORE SIZE DISTRIBUTIONS FOR MULTIPLE PORE TYPES AND PROCESSES FOR USING SAME

#3
20240050904
2024-02-15

Systems and methods of marker based direct integrity testing of membranes

#4
20230168172
2023-06-01

Single stage MICP measurement method and apparatus

#5
20230051513
2023-02-16

Standard sample for measuring rock porosity by helium method

#6
20210116354
2021-04-22

Method of determining absolute permeability

#7
20210046427
2021-02-18

Systems and methods of marker based direct integrity testing of membranes

#8
20190293542
2019-09-26

Method for determining unconventional liquid imbibition in low-permeability materials

#9
20190257733
2019-08-22

Isotope nuclear magnetic method for analyzing ineffective water absorption of rock pores

#10
20180257040
2018-09-13

Systems and methods of marker based direct integrity testing of membranes

#11
20180010996
2018-01-11

Porosimetry transition region adjustment

#12
20170254718
2017-09-07

Radiographic method and apparatus for detection of cracks, defects, or leak pathways in materials and assemblies

#13
20160341652
2016-11-24

Method for determining unconventional liquid imbibition in low-permeability materials

#14
20160274078
2016-09-22

Modular sensed annular well apparatus for cement testing

#15
20160124115
2016-05-05

System and method of pore type classification for petrophysical rock typing

#16
20150198036
2015-07-16

Method for estimating irreducible water saturation from mercury injection capillary pressure

#17
20130314698
2013-11-28

Method for the detection of defects in gas-barrier films using quantum dots

#18
20060116828
2006-06-01

Methods and apparatus for measuring capillary pressure in a sample

#19
18822472
2024-11-26

Method for combined characterization of pore structure

#20
18818596
2024-11-26

Method for calculating surface relaxation rate of shale