ClassID:

167473

G01N11/08 - CPC Classification

Classification description:

Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by measuring pressure required to produce a known flow

Recent Application in this class:
#1
20260133109
2026-05-14

Measurement Of Water Chemistry By Altering The Resonant Frequency Of A Vibrating Element With Hydrophilic Hydrogels

#2
20260002854
2026-01-01

SINGLE UNIT DEVICES FOR VISCOSITY AND LIGHT SCATTERING AND METHODS FOR THE SAME

#3
20250264393
2025-08-21

MEASUREMENT OF FLOW RATE, DENSITY, VISCOSITY, AND RHEOLOGY OF MULTIPHASE FLUIDS IN A PIPE

#4
20250258077
2025-08-14

HIGH-VOLTAGE CABLE INSULATION MATERIAL CONTINUOUS EXTRUSION PROCESSING CHARACTERISTIC EVALUATION AND OPTIMIZATION METHOD AND APPARATUS

#5
20250137898
2025-05-01

HIGH THROUGHPUT VISCOMETER AND METHODS OF USING THE SAME

#6
20250122801
2025-04-17

METHOD OF MEASURING RHEOLOGY OF A FLUID USING TESLA TURBINE PRINCIPLE

#7
20250085206
2025-03-13

REAL TIME MONITORING OF NON-NEWTONIAN FLUIDS

#8
20250052656
2025-02-13

MEASUREMENT SYSTEM FOR A LIQUID

#9
20250027862
2025-01-23

Non-intrusive rheometer for use in well operations

#10
20240426727
2024-12-26

VISCOMETER WITH REDUCED DEAD-VOLUME AND HIGH DYNAMIC RANGE

#11
20240410805
2024-12-12

Method for Measuring Easily Extrusion-Moldable PCR Resin and PCR Resin Composition

#12
20240331143
2024-10-03

APPARATUS FOR HIGH SPEED IMAGE CAPTURE DURING MEASUREMENT OF CAPILLARY PRESSURE IN A POROUS SAMPLE

#13
20240302402
2024-09-12

DEVICE AND METHODS FOR SIMULTANEOUS DETERMINATION OF INTRINSIC VISCOSITY AND NON-NEWTONIAN BEHAVIOR OF POLYMERS

#14
20240295481
2024-09-05

Measurement Of Water Chemistry By Altering The Resonant Frequency Of A Vibrating Element With Hydrophilic Hydrogels

#15
20240253292
2024-08-01

Rheological Measurement System

#16
20240085296
2024-03-14

VISCOMETER AND METHODS FOR USING THE SAME

#17
20240068358
2024-02-29

Fluid diode

#18
20240053241
2024-02-15

Methods and systems for sample extraction

#19
20230404411
2023-12-21

Rapid Profile Viscometer Devices And Methods

#20
20230324271
2023-10-12

DEVICE AND METHOD FOR MEASURING GAS CONCENTRATION

#21
20230204484
2023-06-29

DIAGNOSTIC SYSTEM AND METHOD FOR VALIDATING PERSONALIZED CELL THERAPY TREATMENTS

#22
20230152197
2023-05-18

DETERMINING INTRINSIC VISCOSITY AND HUGGINS CONSTANT OF AN UNKNOWN SAMPLE

#23
20230026439
2023-01-26

POINT-OF-USE DEVICES AND METHODS FOR DETERMINING RHEOLOGICAL PROPERTIES OF SAMPLES

#24
20230022150
2023-01-26

Method for operating a flow measuring point for media having at least one liquid phase

#25
20220404255
2022-12-22

Rheometer and method for the use thereof

#26
20220357258
2022-11-10

Viscometer with reduced dead-volume and high dynamic range

#27
20220291106
2022-09-15

Real time monitoring of non-Newtonian fluids

#28
20220283069
2022-09-08

Viscosity measuring system

#29
20220205891
2022-06-30

Device for measuring rheological properties of high-viscosity material and measurement method therefor

#30
20220196534
2022-06-23

Method and measuring arrangement for determining a rheological property of a fluid

#31
20220107257
2022-04-07

Viscometer system

#32
20220074767
2022-03-10

Determining fluid parameters

#33
20220026328
2022-01-27

Viscometer and methods for using the same

#34
20220003649
2022-01-06

Rheology device and method

#35
20210370569
2021-12-02

METHOD FOR THE ONLINE SENSING OF THE RHEOLOGY OF THERMOPLASTIC AND/OR ELASTOMER MATERIAL FOR THE PRODUCTION OF INJECTION-MOULDED PARTS

#36
20210310921
2021-10-07

Determining intrinsic viscosity and Huggins constant of an unknown sample

#37
20210229337
2021-07-29

Rheological measurement system with improved tube resistance and thermal strength

#38
20210146592
2021-05-20

Rotation extrusion processing rheometer and rheological measuring method capable of simultaneously measuring pressure/shear rheology of polymers

#39
20210080367
2021-03-18

Assessment method for injection molding property of plastic form

#40
20200355593
2020-11-12

System and method for determining polymer filament rheological properties

#41
20200333231
2020-10-22

Differential viscometer with solvent compressibility correction

#42
20200333230
2020-10-22

Porous micromodel network to simulate formation flows

#43
20200325772
2020-10-15

Method to use a buoyant body to measure two-phase flow in horizontal wells

#44
20200300740
2020-09-24

Using fluidic devices to estimate cut of wellbore fluids

#45
20200271355
2020-08-27

Electrical connector, fluid state test device and fluid heat exchange system

#46
20200232894
2020-07-23

Methods and systems for sample extraction

#47
20200158613
2020-05-21

System for testing rheological behavior of slurry

#48
20200116613
2020-04-16

Portable apparatus and methods for analyzing injection fluids

#49
20200110016
2020-04-09

Double-capillary viscometer for measuring viscosity of acid natural gas

#50
20200109974
2020-04-09

Measurement device having a plurality of sensors disposed in movable arms

#51
20200096428
2020-03-26

Analyzing drilling fluid rheology at a drilling site

#52
20200056971
2020-02-20

Fluid Monitoring and Management Devices

#53
20200033241
2020-01-30

Viscometer and methods for using the same

#54
20200029859
2020-01-30

BREATH MEASUREMENT DEVICE

#55
20190317000
2019-10-17

Rheometer and method for the use thereof

#56
20190299177
2019-10-03

PROCESS FOR MAKING A LIQUID TREATMENT COMPOSITION

#57
20190285528
2019-09-19

System for Testing Fluid Samples

#58
20190226964
2019-07-25

High-temperature, high-pressure, and low-velocity gas microtube viscosity measuring apparatus and measuring method thereof

#59
20190212239
2019-07-11

Systems and methods for automatically evaluating slurry properties

#60
20190178770
2019-06-13

Methods and systems for monitoring drilling fluid rheological characteristics

#61
20190154588
2019-05-23

Systems and methods for predicting and controlling the properties of a chemical species during a time-dependent process

#62
20190102355
2019-04-04

Information processing device, electronic apparatus, information processing method, and program

#63
20190086437
2019-03-21

Device and methods for simultaneous determination of intrinsic viscosity and non-newtonian behavior of polymers

#64
20190063968
2019-02-28

MEMS sensors, methods for providing same and method for measuring a fluid constituent

#65
20190041311
2019-02-07

Rheometer

#66
20190041310
2019-02-07

Method for measurement and model-free evaluation of injectable biomaterials properties

#67
20190011423
2019-01-10

Microfluidic method for detection of fines, waxes, and asphaltenes in oil

#68
20190011333
2019-01-10

Devices and methods for preparing filtered solutions for lateral flow testing

#69
20180373821
2018-12-27

Characterizing fluid flow at field conditions

#70
20180356325
2018-12-13

Viscometers and methods of measuring liquid viscosity

#71
20180328149
2018-11-15

Actuator with port

#72
20180326738
2018-11-15

Device for measuring the flow rate and the viscosity of ink and use thereof in a printer

#73
20180321124
2018-11-08

Assembly for measuring the viscosity of fluids using microchannels

#74
20180275037
2018-09-27

Device for in-line monitoring of the quality of a water-soluble polymer solution manufactured from invert emulsion or powder of said polymer

#75
20180267009
2018-09-20

Method and device for determining low temperature properties

#76
20180246025
2018-08-30

Device and Method for Determining Viscosity

#77
20180231445
2018-08-16

Measuring nozzle for determining the extensional viscosity of polymer melts

#78
20180214862
2018-08-02

Method of aspirating by pipetting and pipetting apparatus

#79
20180195943
2018-07-12

Viscometer for determining dynamic and kinematic viscosities

#80
20180188146
2018-07-05

Differential viscometer with solvent compressibility correction

#81
20180136123
2018-05-17

Compensating turbidity measuring device

#82
20180106710
2018-04-19

Balanced capillary bridge viscometry

#83
20180104881
2018-04-19

Rheological measurement system

#84
20180011024
2018-01-11

Systems and methods for predicting and controlling the properties of a chemical species during a time-dependent process

#85
20180003606
2018-01-04

Method of continuously measuring the shear viscosity of a product paste

#86
20170343457
2017-11-30

Measuring arrangement and method for measuring the density of flowable media

#87
20170336311
2017-11-23

AUTOMATED CAPILLARY VISCOMETER

#88
20170336310
2017-11-23

Analyzing drilling fluid rheology at a drilling site

#89
20170322132
2017-11-09

Surfactant selection for downhole treatments

#90
20170284919
2017-10-05

Gas sensor

#91
20170276584
2017-09-28

In-line viscometer for measuring the viscosity of drilling fluids

#92
20170274667
2017-09-28

Flow meter and use thereof in a printer

#93
20170274641
2017-09-28

Device for measuring flow rate and viscosity and use thereof in a printer

#94
20170254733
2017-09-07

Method for preform or tube drawing based on its viscosity

#95
20170239870
2017-08-24

Apparatus and method for manufacturing and testing workpieces

#96
20170102308
2017-04-13

Fluid monitoring and management devices, fluid monitoring and management systems, and fluid monitoring and management methods

#97
20170097293
2017-04-06

Inline rheology/viscosity, density, and flow rate measurement

#98
20170030818
2017-02-02

Viscometer and methods for using the same

#99
20160305921
2016-10-20

Device and method for determining mixing ratios of flowing media

#100
20160299047
2016-10-13

Method and apparatus for characterizing clathrate hydrate formation conditions employing microfluidic device

#101
20160281708
2016-09-29

System for measuring temporally resolved through-flow processes of fluids

#102
20160245681
2016-08-25

MEMS thermal flow sensor with compensation for fluid composition

#103
20160202162
2016-07-14

A METHOD AND DEVICE FOR A LIQUID PROCESSING SYSTEM

#104
20160195461
2016-07-07

VEHICULAR LIQUID STORAGE SYSTEM, MOTOR VEHICLE COMPRISING SAID SYSTEM AND METHOD FOR ASSESSING A QUALITY OF A LIQUID THEREIN

#105
20160052501
2016-02-25

Method and device for ascertaining at least one variable regarding a state of a brake fluid in a brake system of a vehicle

#106
20150323440
2015-11-12

Fluid composition analysis device and method

#107
20150292904
2015-10-15

Corrosion resistant pressure transducer

#108
20150285777
2015-10-08

Oil quality sensor and fryer with such oil quality sensor

#109
20150211963
2015-07-30

Viscometer cell attachment device

#110
20150168284
2015-06-18

CAPILLARY VISCOMETER AND MULTISCALE PRESSURE DIFFERENTIAL MEASURING DEVICE

#111
20150122016
2015-05-07

Inline rheology/viscosity, density, and flow rate measurement

#112
20150059446
2015-03-05

METHOD AND SYSTEM FOR ANALYSIS OF RHEOLOGICAL PROPERTIES AND COMPOSITION OF MULTI-COMPONENT FLUIDS

#113
20140309951
2014-10-16

MULTI-CAPILLARY IN-LINE RHEOMETER FOR MINERAL SLURRIES

#114
20140262516
2014-09-18

Method and apparatus for measuring drilling fluid properties

#115
20140230527
2014-08-21

IMAGING MICROVISCOMETER

#116
20140216126
2014-08-07

Device for measuring a fuel flow and calibrating device therefor

#117
20140190573
2014-07-10

System and method for generating a change in pressure proportional to fluid viscosity

#118
20140144214
2014-05-29

Balanced capillary bridge viscometer

#119
20140137640
2014-05-22

Flow measurement device and method

#120
20140060162
2014-03-06

Modular capillary bridge viscometer

#121
20140053637
2014-02-27

Device for measuring and controlling on-line viscosity at high pressure

#122
20140005957
2014-01-02

VISCOMETER FOR NEWTONIAN AND NON-NEWTONIAN FLUIDS

#123
20130345994
2013-12-26

Fluid visualisation and characterisation system and method; a transducer

#124
20130255371
2013-10-03

Method and apparatus for material flow characterization

#125
20130253855
2013-09-26

Method and Apparatus for Measuring Apparent Viscosity of a Non-Newtonian Fluid

#126
20130219983
2013-08-29

RHEOMETER STANDARDISATION

#127
20130158899
2013-06-20

METHOD OF MEASURING THE VISCOCITY OF A FLUID AND VISCOSIMETER

#128
20130125627
2013-05-23

Rheometry apparatus

#129
20130104630
2013-05-02

AUTOMATED CAPILLARY VISCOMETER

#130
20130045498
2013-02-21

VISCOSITY PRESSURE ASSAY

#131
20130036797
2013-02-14

Fluid viscosity measuring device

#132
20130025359
2013-01-31

Viscometer for downhole use

#133
20130019663
2013-01-24

Measuring process of dynamic viscosity of heavy live crude from the reservoir pressure up to atmospheric pressure, including bubble point pressure, based on an electromagnetic viscometer

#134
20120247190
2012-10-04

RHEOMETER

#135
20120096929
2012-04-26

Portable viscometer

#136
20120084024
2012-04-05

In-line viscometer with no moving parts and methods and computer-readable media for maintaining a desired viscosity

#137
20120074069
2012-03-29

SMART FILTER MONITOR

#138
20120055266
2012-03-08

Method of evaluating grease and extrusion die for the method

#139
20120031173
2012-02-09

Method and device for determining viscosity utilizing gravity feed

#140
20110264386
2011-10-27

Rheometer for high-viscosity materials

#141
20110254183
2011-10-20

Measuring device and measuring method for an injection molding machine for ascertaining a batch-specific characteristic number

#142
20110252872
2011-10-20

Method for estimating viscosity

#143
20110137596
2011-06-09

QUALITY CONTROL METHOD AND MICRO/NANO-CHANNELED DEVICES

#144
20100260391
2010-10-14

BLOOD FLUIDITY MEASUREMENT SYSTEM AND BLOOD FLUIDITY MEASUREMENT METHOD

#145
20100241063
2010-09-23

Liquid Flow Sensing System

#146
20100139375
2010-06-10

APPARATUS AND METHOD FOR MEASURING RHEOLOGICAL PROPERTIES OF BLOOD

#147
20100064780
2010-03-18

Pressure Determination In Microfludic Systems

#148
20100042339
2010-02-18

FLUIDIC ANALYSIS DEVICE FOR DETERMINING CHARACTERISTICS OF A FLUID

#149
20100005866
2010-01-14

Viscometer system utilizing an optical flow cell

#150
20090293594
2009-12-03

System and method for estimating apparent viscosity of a non-newtonian fluid

#151
20090269837
2009-10-29

System for assessing the efficacy of stored red blood cells using microvascular networks

#152
20090216465
2009-08-27

System for measuring viscosity

#153
20090113996
2009-05-07

System and method for measuring liquid viscosity in a fluid delivery system

#154
20090107196
2009-04-30

Viscosity control of particle formation by adjusting agitation speed

#155
20090090172
2009-04-09

Viscosity measurement

#156
20080289435
2008-11-27

Device for evaluating drag reduction

#157
20080245133
2008-10-09

Apparatus and method for eliminating the breakthrough peak in differential detectors

#158
20080228424
2008-09-18

On-line absolute viscosity measurement system

#159
20080141796
2008-06-19

Apparatus and method for testing sprayability of a liquid composition

#160
20080134765
2008-06-12

Micro rheometer for measuring flow viscosity and elasticity for micron sample volumes

#161
20080127718
2008-06-05

Method for using an alternate pressure viscometer

#162
20080127717
2008-06-05

Alternative pressure viscometer device

#163
20070284202
2007-12-13

Method and apparatus for measuring pressure drop of magneto-rheological suspensions in microchannels

#164
20070209427
2007-09-13

Metal particle sensor system

#165
20070157973
2007-07-12

Multi-reservoir pressure control system

#166
20070079659
2007-04-12

Multi-capillary viscometer system and method

#167
20070068229
2007-03-29

Capillary bridge viscometer and method for measuring specific viscosity

#168
20060289060
2006-12-28

Viscosity auto detector of paste maker

#169
20060225523
2006-10-12

Laboratory apparatus and method for evaluating cement performance for a wellbore

#170
20060213256
2006-09-28

Automatic bridge balancing means and method for a capillary bridge viscometer

#171
20060185426
2006-08-24

Method and code for controlling actuator responsive to oil pressure using oil viscosity measure

#172
20060162430
2006-07-27

System and method for determining an air content, air release ability and for foam forming on oil surfaces

#173
20050223783
2005-10-13

Microfluidic system

#174
20050213427
2005-09-29

Mixing utility, liquid viscometric apparatus

#175
20050210964
2005-09-29

Pressure sensing device for rheometers

#176
20050183496
2005-08-25

Micro slit viscometer with monolithically integrated pressure sensors

#177
20050178442
2005-08-18

Flow-measuring valve device and method

#178
20050087001
2005-04-28

Apparatus and method for measuring viscosity

#179
20050056084
2005-03-17

Curtain coater rheology management

#180
20050005684
2005-01-13

Multi-reservoir pressure control system

#181
18656603
2024-10-22

Method for correcting differential pressure values, device and analyzer for analyzing concentration thereof

#182
17587854
2022-07-05

Method of measuring extensional viscosity of polymer melts and capillary injection system

#183
16903729
2021-11-23

Apparatus and method for measuring permeation of contaminants through a complex protective material swatch

#184
16538561
2022-03-29

Microfluidic aspirator and multi-purpose flow sensor and methods of making and using the same

#185
13404538
2015-05-05

Apparatus and method for measuring permeation of contaminants through protective materials