ClassID:

167580

G01N2015/0873 - 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; Sorption Dynamic sorption, e.g. with flow control means

Recent Application in this class:
#1
20230213430
2023-07-06

Multifunctional volumetric adsorption test units and methods of using same

#2
20220082487
2022-03-17

Device and method for measuring two-phase relative permeability curve of unconventional oil reservoir

#3
20210018422
2021-01-21

Surface characterization of porous solids and powder materials using flowing gas

#4
20190339188
2019-11-07

System and dynamic volumetric method for surface characterization of porous solids and powder materials using flowing gas

#5
20190154673
2019-05-23

Methods in digital counting

#6
20140109652
2014-04-24

Method for dispersion and adsorption coefficient estimation using an analysis of pressure transition during a viscosity-switch

#7
20100169019
2010-07-01

FORMATION EVALUATION USING LOCAL DYNAMIC UNDER-BALANCE IN PERFORATING

#8
20090165528
2009-07-02

Method and Apparatus for Gas Filter Testing

#9
20090084164
2009-04-02

Filter monitor-flow meter combination sensor

#10
20090041629
2009-02-12

Method and apparatus for measuring gas sorption and desorption properties of materials

#11
20070148327
2007-06-28

Method for determining solvent permeability of films

#12
20070062258
2007-03-22

Method for determining the inlet capillary pressure of a porous medium

#13
20070000337
2007-01-04

Method and apparatus for handling small quantities of fluids

#14
20060277980
2006-12-14

Percolation testing apparatus and method

#15
20060027014
2006-02-09

Apparatus and method for water sorption measurement

#16
20050216223
2005-09-29

Method of evaluating the capillary pressure curve of an underground deposit rocks based on rock cuttings measurements

#17
20050178189
2005-08-18

Method and device for evaluating physical parameters of an underground deposit from rock cuttings sampled therein

#18
20050155910
2005-07-21

Method for separating particles different in size, structure, or function and apparatus therefor

#19
20050148092
2005-07-07

Method and device for investigation of a surface layer