ClassID:

165101

G01F1/704 - CPC Classification

Classification description:

Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter

Sub-classes:
Recent Application in this class:
#1
20250003332
2025-01-02

AN APPARATUS, A PRODUCTION STRING COMPRISING THE APPARATUS, AND A METHOD FOR ESTIMATING A PRODUCTION FLOW RATE AT A CERTAIN POSITION OF A WELL

#2
20240044683
2024-02-08

FLOW IMAGING AND MONITORING FOR SYNCHRONIZED MANAGEMENT OF WIDE AREA DRAINAGE

#3
20230003564
2023-01-05

Optical Device And Method For Measuring Flow Rate

#4
20220414295
2022-12-29

Multi-phase flow visualizations based on fluid occupation time

#5
20220349738
2022-11-03

Imaging system for analyzing a multiphase flow by measuring individual flow rates and measuring deposit thickness on an internal wall of a pipe

#6
20210356306
2021-11-18

ATOMIC TAGGING VELOCIMETRY METHOD AND SYSTEM

#7
20210293591
2021-09-23

Flow imaging and monitoring for synchronized management of wide area drainage

#8
20210181005
2021-06-17

Augmented flowmeter with a system for simulating fluid parameters

#9
20210172824
2021-06-10

SENSING FLUID FLOW

#10
20210108951
2021-04-15

System and method for detecting an operational status of a tool of an agricultural implement based on fluid flow

#11
20210033439
2021-02-04

Flow imaging and monitoring for synchronized management of wide area drainage

#12
20200190967
2020-06-18

Image based inspection of well equipment

#13
20200190963
2020-06-18

Image based inspection and automated inventory and supply chain management of well equipment

#14
20200190959
2020-06-18

Monitoring rig activities

#15
20200123896
2020-04-23

Method to determine tracer response from non-ideal chemical tracers

#16
20200114073
2020-04-16

Monitoring device including an emitter emitting electromagnetic radiation and a detector positioned to receive the radiation to determine one or more rolling average flow rates

#17
20200060071
2020-02-27

Product runout tracking system and method

#18
20190323943
2019-10-24

Automatic power control liquid particle counter with flow and bubble detection systems

#19
20190277674
2019-09-12

Engine exhaust flow measurement with pulsation compensation

#20
20190271577
2019-09-05

Piezoelectric alternating magnetic field flow meters

#21
20190128717
2019-05-02

Infrared-based gas flowmeter

#22
20190120673
2019-04-25

Optical flow meter for determining a flow rate of a liquid

#23
20190106983
2019-04-11

Methods and systems for intervention less well monitoring

#24
20190086250
2019-03-21

FLUID BLOB TRACKING FOR EVALUATION OF MULTIPHASE FLOW SIMULATIONS

#25
20190056473
2019-02-21

Floating base vector sensor

#26
20190050508
2019-02-14

Multi-phase flow visualizations based on fluid occupation time

#27
20190039063
2019-02-07

Fluid sensing with control of particle aggregation in sensing zone

#28
20180372523
2018-12-27

Alternating magnetic field flow meters

#29
20180238726
2018-08-23

Flow imaging and monitoring for synchronized management of wide area drainage

#30
20180188089
2018-07-05

Methods and systems for monitoring groundwater discharge

#31
20180180457
2018-06-28

Device for determining mass transport of a fluid and a substance dissolved in the fluid

#32
20180087945
2018-03-29

Experimental device for debris flow simulation

#33
20180080314
2018-03-22

METHOD OF ALLOCATING INDIVIDUAL OIL OR WATER PRODUCTION CONTRIBUTIONS FROM MULTIPLE COMBINED SOURCES

#34
20180066969
2018-03-08

IN-CYLINDER FLOW MEASURING METHOD IN AN INTERNAL COMBUSTION ENGINE AND SYSTEM THEREOF

#35
20170356838
2017-12-14

Automatic power control liquid particle counter with flow and bubble detection systems

#36
20170350915
2017-12-07

Measurement of the flow velocity and the flow direction of gases and liquids

#37
20170216521
2017-08-03

Device for monitoring an infusion set

#38
20170146424
2017-05-25

Tracer gas airflow measurement system with high turndown ratio

#39
20170082470
2017-03-23

Flow imaging and monitoring for synchronized management of wide area drainage

#40
20170072139
2017-03-16

Device, method, and system for monitoring the delivery of fluids through a drip chamber

#41
20170052050
2017-02-23

Fluid inflow

#42
20170052049
2017-02-23

Fluid inflow

#43
20160209256
2016-07-21

Fluid blob tracking for evaluation of multiphase flow simulations

#44
20160131627
2016-05-12

Reaction carrier, measuring system and measuring method for determining gas and particle concentrations, and optical flow sensor

#45
20160040935
2016-02-11

Method and arrangement for feeding feed material from a bin for feed material into a furnace space of a smelting furnace

#46
20160010454
2016-01-14

Tracer based flow measurement

#47
20150322336
2015-11-12

Method of making dye-doped polystyre microparticles

#48
20150268079
2015-09-24

TRACER PARTICLE FOR MONITORING PROCESSES IN AT LEAST ONE FLUID PHASE AND METHODS AND USES THEREOF

#49
20150253164
2015-09-10

Tomographic and sonar-based processing using electrical probing of a flowing fluid to determine flow rate

#50
20150177041
2015-06-25

Particle photographing device and flow velocity measurement device

#51
20150168199
2015-06-18

Computer based fluid flow velocity estimation from concentrations of a reacting constituent for products and services

#52
20150168197
2015-06-18

Computer based fluid flow velocity estimation from concentrations of a reacting constituent for products and services

#53
20150033872
2015-02-05

Microfluidic platform and methods for using the same

#54
20150020606
2015-01-22

Method and system for stamping and marking fluid in a pipe network for smart monitoring systems

#55
20140338540
2014-11-20

Exhaust gas flowmeter and exhaust gas analyzing system

#56
20140272984
2014-09-18

Microfluidic flow monitoring

#57
20140216151
2014-08-07

Flow monitoring using fibre optic distributed acoustic sensors

#58
20140209384
2014-07-31

METHOD AND SYSTEM FOR DETECTING CHANGES IN DRILLING FLUID FLOW DURING DRILLING OPERATIONS

#59
20140090482
2014-04-03

Remote marking

#60
20130345994
2013-12-26

Fluid visualisation and characterisation system and method; a transducer

#61
20130275061
2013-10-17

System for and method of measuring flow of bulk solid material

#62
20130232976
2013-09-12

Gas turbine fuel flow measurement using inert gas

#63
20130228689
2013-09-05

Gas flow meter and method for measuring velocity of gas

#64
20130224886
2013-08-29

Flow rate measurement apparatus, antigen concentration measurement apparatus, flow cell, flow rate measurement method, and antigen concentration measurement method

#65
20130192385
2013-08-01

Device for measuring droplet mass flux distributions to test spray injection system and the measuring method

#66
20130174668
2013-07-11

Flow meter system and method for measuring an amount of liquid in a largely gaseous multiphase flow

#67
20120330574
2012-12-27

Pump tester

#68
20120330573
2012-12-27

Pump tester

#69
20120292533
2012-11-22

Remote marking

#70
20120215466
2012-08-23

Pump tester

#71
20120203477
2012-08-09

Pump tester

#72
20120175642
2012-07-12

Microchip-based MOEMS and waveguide device

#73
20120114097
2012-05-10

Apparatus and method for measuring multi-phase fluid flow

#74
20120055264
2012-03-08

Apparatus and method for noninvasive particle detection using doppler spectroscopy

#75
20120038346
2012-02-16

POWDER FLOW MONITORING USING GROUNDED HOSES

#76
20110303019
2011-12-15

Minimally intrusive monitoring of a multiphase process flow using a tracer and a spatially arranged array of at least two sensors on a flow pipe

#77
20110224920
2011-09-15

Pump tester

#78
20110174081
2011-07-21

Analysis device provided with flow sensor, and flow sensor adjustment method

#79
20110162458
2011-07-07

Flow sensor and analysis device provided with same

#80
20110154888
2011-06-30

ANALYSIS DEVICE

#81
20110106462
2011-05-05

Two-phase fluid flow measuring apparatus and process

#82
20110106397
2011-05-05

FLUID MEASURING DEVICE

#83
20100285612
2010-11-11

FLOW RATE MEASUREMENT APPARATUS, ANTIGEN CONCENTRATION MEASUREMENT APPARATUS, FLOW CELL, FLOW RATE MEASUREMENT METHOD, AND ANTIGEN CONCENTRATION MEASURING METHOD

#84
20100154562
2010-06-24

Ultrasonic meter for determining physical quantity of a fluid based on a determined plurality of correlation coefficients

#85
20100138170
2010-06-03

Method and apparatus for measuring a parameter of a fluid flowing within a pipe

#86
20100056936
2010-03-04

BLOOD FLOW RATE IMAGING DEVICE

#87
20090293581
2009-12-03

Leak detector

#88
20090223303
2009-09-10

Measurement of liquid flow in porous media by tracer dilution without continuous mixing

#89
20090138215
2009-05-28

Photoacoustic doppler flow sensing and imaging

#90
20090103073
2009-04-23

Device and method for flow state observation

#91
20090013767
2009-01-15

Liquid flow measurement apparatus and method utilizing a bubble in a passage

#92
20080289411
2008-11-27

Thermal mass flow meter and method for its operation

#93
20080276723
2008-11-13

Apparatus and method for providing a stratification metric of a multiphase fluid flowing within a pipe

#94
20080257012
2008-10-23

Co2 Tracing Method for Measuring Raw Exhaust Gas Flow Rate at Exit From an Internal Combusting Engine for a Motor Vehicle and Measuring Equipment for Carrying Out Said Method

#95
20080196509
2008-08-21

Seepage meter for measuring submarine groundwater discharge

#96
20080192255
2008-08-14

Method and apparatus for optical detection of a phase transition

#97
20080133182
2008-06-05

Method and apparatus for measuring parameters of a stratified flow

#98
20080058647
2008-03-06

Means for Performing Measurements in a Vessel

#99
20070262855
2007-11-15

Measuring system and method

#100
20070166011
2007-07-19

EIT data processing system and method

#101
20070144233
2007-06-28

Flow measurement apparatus and method for checking accuracy of the same

#102
20070137296
2007-06-21

Method and apparatus to determine an initial flow rate in a conduit

#103
20070113676
2007-05-24

Measurement of non-aqueous phase liquid flow in porous media by tracer dilution

#104
20070107512
2007-05-17

Flow state observation device and flow state observation method

#105
20070095528
2007-05-03

Method of monitoring fluid placement during stimulation treatments

#106
20070083340
2007-04-12

Apparatus and method for measuring settlement of solids in a multiphase flow

#107
20070061093
2007-03-15

Time-of-flight stochastic correlation measurements

#108
20070044572
2007-03-01

Method and apparatus for measuring parameters of a fluid flow using an array of sensors

#109
20070044571
2007-03-01

Apparatus and method of measuring gas volume fraction of a fluid flowing within a pipe

#110
20070022824
2007-02-01

Method and apparatus for measuring a parameter of a fluid flowing within a pipe having a sensing device with multiple sensor segments

#111
20060243061
2006-11-02

Method and apparatus to determine an initial flow rate in a conduit

#112
20060175561
2006-08-10

Particle shadow velocimetry

#113
20060064025
2006-03-23

Method and device for determining the blood flow in a blood-conducting tube

#114
20050246111
2005-11-03

Method and apparatus for measuring parameters of a stratified flow

#115
20050235757
2005-10-27

Sampling device and method for measuring fluid flow and solute mass transport

#116
20050219507
2005-10-06

Method for measuring the flow of fluids

#117
20050166683
2005-08-04

Method and apparatus to determine an initial flow rate in a conduit

#118
20050124867
2005-06-09

Multifibre sensor for measuring perfusion

#119
14988154
2017-05-30

Flow management system

#120
14949514
2017-07-04

Pump tester