ClassID:

165134

G01F1/86 - 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; Devices for measuring mass flow of a fluid or a fluent solid material Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure

Sub-classes:
Recent Application in this class:
#1
20250362169
2025-11-27

Fast and Accurate Mass Flow Controller

#2
20250289767
2025-09-18

APPARATUS FOR DELIVERY OF CARBON DIOXIDE TO A CONCRETE MIX IN A MIXER AND DETERMINING FLOW RATE

#3
20250238043
2025-07-24

Methods and Apparatus for Reporting Inlet Pressure in Mass Flow Controllers

#4
20250198820
2025-06-19

DETERMINATION OF MASS MATERIAL RATES USING SENSOR FUSION

#5
20250149604
2025-05-08

Method and Device for Ascertaining the Oxidizing Agent Mass Flow in an Electrochemical Energy Converter

#6
20250027802
2025-01-23

BUBBLE FRACTION METER

#7
20250014950
2025-01-09

MINI ENVIRONMENT INSTRUMENTED WAFER

#8
20240328342
2024-10-03

DUAL-PURPOSE HEATER AND FLUID FLOW MEASUREMENT SYSTEM

#9
20240318990
2024-09-26

EMISSION FLOWMETER SYSTEM

#10
20240280042
2024-08-22

Virtual sensing system

#11
20240201713
2024-06-20

Method and apparatus for mass flow control

#12
20240151567
2024-05-09

SENSING AND SECRETION BYPASS APPARATUSES AND ASSOCIATED METHODS

#13
20240124366
2024-04-18

Apparatus for delivery of carbon dioxide to a concrete mix in a mixer and determining flow rate

#14
20240102838
2024-03-28

DETERMINING A FLOW METRIC FOR A FLOW OF GRANULAR PARTICLES

#15
20240018911
2024-01-18

HIGH ACCURACY FUEL SYSTEM

#16
20230417589
2023-12-28

Multiphase flowmeters and related methods

#17
20230384136
2023-11-30

Pressure sensor embedded in a metering device

#18
20230384134
2023-11-30

CORIOLIS FLOWMETER AND METHOD FOR OPERATING THE CORIOLIS FLOWMETER

#19
20230304837
2023-09-28

Method and apparatus for mass flow verification

#20
20230280197
2023-09-07

Flow measurement system and method

#21
20230280196
2023-09-07

Inlet dividers having a plurality of analyzing and production apertures for analyzing multiphase production fluid as well as systems incorporating the same

#22
20230278889
2023-09-07

Container assembly

#23
20230228605
2023-07-20

Method and system for wireless flow sensing of manually operated valves

#24
20230214531
2023-07-06

SYSTEM AND METHODS FOR SMART REGISTER APPLICATIONS

#25
20230194322
2023-06-22

Method for determining characteristics of a fuel supplied to an aircraft engine

#26
20230160732
2023-05-25

Thermoresistive micro sensor device

#27
20230152718
2023-05-18

Differential measurement system

#28
20230135915
2023-05-04

SYSTEM AND METHOD FOR MONITORING CROP YIELD FOR AN AGRICULTURAL HARVESTER

#29
20230066926
2023-03-02

ULTRASONIC MASS FUEL FLOW METER

#30
20230042432
2023-02-09

Bode fingerprinting for characterizations and failure detections in processing chamber

#31
20230041777
2023-02-09

Gas meter and associated methods

#32
20230003161
2023-01-05

Virtual sensing system

#33
20220396918
2022-12-15

Automatic monitoring of smelt flow exiting a recovery boiler

#34
20220390262
2022-12-08

ENHANCED SUPERCRITICAL FLUID MEASUREMENT WITH VIBRATORY SENSORS

#35
20220390261
2022-12-08

Methods and apparatus for pressure based mass flow ratio control

#36
20220373376
2022-11-24

ESTIMATING FLOW RATE AT A PUMP

#37
20220357191
2022-11-10

Mass flow meter

#38
20220339699
2022-10-27

Method for Determining a Parameter of a Material and Pressing Tool for the Production of a Green Compact

#39
20220330031
2022-10-13

Environmental verification for controlling access to data

#40
20220299169
2022-09-22

Container for pressurized fluid with electronic device for calculating and updated displaying of remaining fluid

#41
20220232754
2022-07-28

CAMERA BASED FLOW DETECTION

#42
20220090950
2022-03-24

Speed of sound and convective velocity augmented Coriolis meters with drive gain limit logic

#43
20220084842
2022-03-17

ANTIFRAGILE SYSTEMS FOR SEMICONDUCTOR PROCESSING EQUIPMENT USING MULTIPLE SPECIAL SENSORS AND ALGORITHMS

#44
20220083081
2022-03-17

Mass flow control based on micro-electromechanical devices

#45
20210348069
2021-11-11

Enhanced demulsifier performance ranking procedure and algorithm based on separation efficiency

#46
20210325220
2021-10-21

Device for measuring mass flow rate of multiphase flow based on ray coincidence measurement

#47
20210311114
2021-10-07

Bode fingerprinting for characterizations and failure detections in processing chamber

#48
20210293598
2021-09-23

SYSTEMS AND METHODS FOR DISTRIBUTED MASS FLOW MEASUREMENT

#49
20210293141
2021-09-23

Chemical injection system for a resource extraction system

#50
20210285384
2021-09-16

HIGH ACCURACY FUEL SYSTEM

#51
20210263540
2021-08-26

Method and apparatus for measuring gas flow

#52
20210231591
2021-07-29

Coal consumption online measuring system

#53
20210223798
2021-07-22

Systems and methods for flow sensor back pressure adjustment for mass flow controller

#54
20210223797
2021-07-22

Systems and methods for flow sensor back pressure adjustment for mass flow controller

#55
20210215521
2021-07-15

System and method for measuring temperature of mixed fluid in an enclosed chamber

#56
20210190575
2021-06-24

Multi-gas mass flow controller and method

#57
20210139318
2021-05-13

Method for determining at least one temperature compensation parameter for the compensation of temperature effects on the measured values of a sensor system

#58
20210088369
2021-03-25

BLOCKAGE DETECTION USING MACHINE LEARNING

#59
20210080418
2021-03-18

Oil recovery sensor

#60
20210074440
2021-03-11

Detection apparatus, system, and method for detection of coolant flow rate and temperature in a nuclear environment

#61
20210041279
2021-02-11

Laminar flow restrictor

#62
20210025766
2021-01-28

Adaptive filter bank for modeling a thermal system

#63
20210010841
2021-01-14

Apparatus and method for measuring fluid flow parameters

#64
20200394580
2020-12-17

Yield monitoring systems and methods

#65
20200393277
2020-12-17

Thermoresistive Micro Sensor Device

#66
20200378814
2020-12-03

Gas meter and associated methods

#67
20200370461
2020-11-26

Virtual sensing system

#68
20200284180
2020-09-10

Heater element having targeted decreasing temperature resistance characteristics

#69
20200284179
2020-09-10

Dual-purpose heater and fluid flow measurement system

#70
20200271037
2020-08-27

System and method for axial zoning of heating power

#71
20200249058
2020-08-06

Device and method for monitoring material flow parameters along a passage

#72
20200233387
2020-07-23

State estimation method for heating network in steady state based on bilateral equivalent model

#73
20200191630
2020-06-18

Apparatus and Related Methods to Determine Hole Cleaning, Well Bore Stability and Volumetric Cuttings Measurements

#74
20200166400
2020-05-28

Methods, systems, and apparatus for mass flow verification based on choked flow

#75
20200133251
2020-04-30

Detecting and correcting for discrepancy events in fluid pipelines

#76
20200124452
2020-04-23

Vibronic measuring system for measuring a mass flow rate

#77
20200109654
2020-04-09

Virtual sensing system

#78
20200096373
2020-03-26

Mass flow sensor, mass flow meter including the mass flow sensor, and mass flow controller including the mass flow sensor

#79
20200049544
2020-02-13

Ultrasonic time of flight flow measuring device and method

#80
20200049543
2020-02-13

Flow measuring system having transducer temperatures that deviate from measuring point temperatures

#81
20200033174
2020-01-30

Multiphase flowmeters and related methods

#82
20200003730
2020-01-02

Oil content sensor

#83
20190390988
2019-12-26

Method and system for measuring steam mass flow

#84
20190383654
2019-12-19

PHYSICAL QUANTITY DETECTION DEVICE

#85
20190369053
2019-12-05

Oil recovery sensor

#86
20190369052
2019-12-05

Oil recovery sensor

#87
20190331516
2019-10-31

APPARATUS AND METHOD FOR FLUID FLOW MEASUREMENT

#88
20190331511
2019-10-31

Sensor probe having a circuit housing fixable at a plurality of rotation positions

#89
20190323870
2019-10-24

Method and measuring device for determining measurement information

#90
20190310212
2019-10-10

Thermal humidity measuring device

#91
20190301374
2019-10-03

Fuel consumption calculation of a fuel and water mixture

#92
20190293467
2019-09-26

MASS AIR FLOW SENSOR WITH ABSOLUTE PRESSURE COMPENSATION

#93
20190257443
2019-08-22

SYSTEM FOR MANAGING FLOW-STATE OF FLUID

#94
20190226902
2019-07-25

Weighing apparatus with flowmeter function

#95
20190178695
2019-06-13

Suspension control system providing closed loop control of hydraulic fluid volumes for an agricultural machine

#96
20190178067
2019-06-13

ENHANCED RESERVOIR MODELING FOR STEAM ASSISTED GRAVITY DRAINAGE SYSTEM

#97
20190176999
2019-06-13

Vessel for enclosing at least one sensor within a fuel tank

#98
20190094256
2019-03-28

Low profile air data architecture

#99
20190094054
2019-03-28

Sensor assembly for a sensor, sensor, and measurement system formed therewith

#100
20190053330
2019-02-14

Exhaust system with actuated flow bypass and thermal storage device

#101
20180372521
2018-12-27

Air mass flow meter

#102
20180356267
2018-12-13

Magnetic-inductive flowmeter and method for operating a magnetic-inductive flowmeter

#103
20180335328
2018-11-22

Methods for designing a flow conduit and apparatus that measures deflection at multiple points to determine flow rate

#104
20180308340
2018-10-25

INTERNET OF THINGS PLATFORM WITH SYSTEM-ON-CHIP DEVICE

#105
20180306615
2018-10-25

Method and apparatus for self verification of pressured based mass flow controllers

#106
20180286721
2018-10-04

Method for inspecting flow rate controller and method for processing workpiece

#107
20180274460
2018-09-27

Characterizing a mixed fuel flow period

#108
20180252566
2018-09-06

Estimating flow rate at a pump

#109
20180223750
2018-08-09

Mass airflow sensor monitoring using supercharger airflow characteristics in an opposed-piston engine

#110
20180216454
2018-08-02

Method and apparatus for determining the permeability of a fracture in a hydrocarbon reservoir

#111
20180164137
2018-06-14

Gas meter and associated methods

#112
20180156392
2018-06-07

Detection of pipeline exposure in water crossings

#113
20180073904
2018-03-15

ESTIMATION APPROACH FOR USE WITH A VIRTUAL FLOW METER

#114
20180037451
2018-02-08

Apparatus and method for automatically updating the relationship between measured storage tank depth and storage tank volume, and monitoring the accuracy of a dispenser flow meter

#115
20180022654
2018-01-25

Apparatus for delivery of a predetermined amount of solid and gaseous carbon dioxide

#116
20180010945
2018-01-11

Sensor detection of the presence of an air core in a fluid conductor, and the flow rate of the fluid in the conductor

#117
20180010940
2018-01-11

Ultrasonic meter for recording a through-flow rate of a fluid

#118
20170370763
2017-12-28

Methods, systems, and apparatus for mass flow verification based on choked flow

#119
20170359857
2017-12-14

Heater element as sensor for temperature control in transient systems

#120
20170356778
2017-12-14

Method for real-time performance check of container system

#121
20170299622
2017-10-19

Sensor element for thermal anemometry

#122
20170257909
2017-09-07

Heater element having targeted decreasing temperature resistance characteristics

#123
20170256104
2017-09-07

Virtual sensing system

#124
20170254250
2017-09-07

Heater-actuated flow bypass

#125
20170254249
2017-09-07

Susceptor for use in a fluid flow system

#126
20170254248
2017-09-07

System and method for axial zoning of heating power

#127
20170254242
2017-09-07

Dual-purpose heater and fluid flow measurement system

#128
20170115142
2017-04-27

Fluid momentum detection method and related apparatus

#129
20170045393
2017-02-16

Operating a high accuracy thermal anemometer flow meter in gas stream containing liquid droplets

#130
20170045389
2017-02-16

Building airflow measuring system and method

#131
20170003691
2017-01-05

Flow rate measuring device

#132
20160377471
2016-12-29

Method and Apparatus for Monitoring, Communicating, and Analyzing the Amount of Fluid in a Tank

#133
20160280610
2016-09-29

Apparatus for delivery of carbon dioxide to a concrete mix in a mixer and determining flow rate

#134
20160252912
2016-09-01

Pressure-based gas flow controller with dynamic self-calibration

#135
20160223377
2016-08-04

Method of, and apparatus for, monitoring the available resources of a gas cylinder

#136
20160223375
2016-08-04

System for gas distribution and mass flow measurement

#137
20160216142
2016-07-28

Methods and apparatus to determine airflow conditions at an inlet of an engine

#138
20160202095
2016-07-14

Method of making a multivariable vortex flowmeter

#139
20160161307
2016-06-09

SYSTEM AND METHOD FOR METERING GAS

#140
20160138952
2016-05-19

Device for determining temperature as well as measuring arrangement for determining flow

#141
20160131514
2016-05-12

Method and system for monitoring emissions from an exhaust stack

#142
20160131513
2016-05-12

Auto switching referral matrices in determining process material concentration

#143
20160123860
2016-05-05

Fuel density determination

#144
20160109345
2016-04-21

Vibratory sensor and method

#145
20160041576
2016-02-11

Multi-measurement vortex flowmeter

#146
20160025687
2016-01-28

Non-invasive method for measurement of physical properties of free flowing materials in vessels

#147
20150377689
2015-12-31

Grain mass flow estimation

#148
20150362391
2015-12-17

Pressure sensor, and mass flow meter, and mass flow controller using same

#149
20150275805
2015-10-01

Mass flow rate determination

#150
20150260557
2015-09-17

Nonintrusive performance measurement of a gas turbine engine in real time

#151
20150253221
2015-09-10

Fault detection device and fault detection method

#152
20150234393
2015-08-20

System and method for improving the accuracy of a rate of decay measurement for real time correction in a mass flow controller or mass flow meter by using a thermal model to minimize thermally induced error in the rod measurement

#153
20150212045
2015-07-30

Method and apparatus for non-invasively measuring physical properties of materials in a conduit

#154
20150211906
2015-07-30

Method for detecting the flow rate value of a centrifugal pump

#155
20150211798
2015-07-30

Method and arrangement for feeding fine-grained matter to a concentrate burner or a matte burner of a suspension smelting furnace and controlling means and computer program product

#156
20150168199
2015-06-18

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

#157
20150168197
2015-06-18

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

#158
20150128682
2015-05-14

Method of, and apparatus for, measuring the true contents of a cylinder of gas under pressure

#159
20150096385
2015-04-09

Method of, and apparatus for, measuring the physical properties of two-phase fluids

#160
20150059491
2015-03-05

Device for determining a mass flow rate of a fluid in a channel by measuring electrical conductivity using electrodes

#161
20150013474
2015-01-15

Density meter in electrical communication with a volumetric flow meter and both in electrical communication with a meter electronics that outputs a mass flow measurement

#162
20140352423
2014-12-04

Operating a high accuracy thermal anemometer flow meter in gas stream containing liquid droplets

#163
20140339323
2014-11-20

Analyais and control of aerosol output

#164
20140331980
2014-11-13

Method and system for measuring the mass flow by means of dilution of an exhaust gas from internal combustion

#165
20140324366
2014-10-30

Systems and methods for analyzing flowback compositions in real time

#166
20140303909
2014-10-09

Ultrasonic meter flow measurement monitoring system

#167
20140283719
2014-09-25

System and method for measuring product flow to an agricultural implement

#168
20140158211
2014-06-12

System for and method of providing pressure insensitive self verifying mass flow controller

#169
20140121970
2014-05-01

Systems and methods for analyzing flowback compositions in real time

#170
20140083514
2014-03-27

Method and apparatus for self verification of pressure-based mass flow controllers

#171
20140013838
2014-01-16

Flow rate measurement device and flow rate measurement method for flow rate controller for gas supply device

#172
20140002640
2014-01-02

Flow rate measuring apparatus

#173
20130340859
2013-12-26

Method of and apparatus for measuring the mass flow rate of a gas

#174
20130306650
2013-11-21

Method of and apparatus for measuring the true contents of a cylinder of gas under pressure

#175
20130282309
2013-10-24

Method for density correction in a vortex, flow measuring device

#176
20130275061
2013-10-17

System for and method of measuring flow of bulk solid material

#177
20130204547
2013-08-08

Systems and methods for determining a real time solid flow rate in a solid-gas mixture

#178
20130132003
2013-05-23

METHOD FOR DETERMINING A RESULTING TOTAL MASS FLOW TO AN EXHAUST GAS MASS FLOW SENSOR

#179
20130119964
2013-05-16

MULTI-MEASUREMENT VORTEX FLOWMETER

#180
20130112529
2013-05-09

System and method for determining weight

#181
20130061789
2013-03-14

System and method for measuring product flow to an agricultural implement

#182
20130036831
2013-02-14

Method and apparatus for estimating the dry mass flow rate of a biological material

#183
20130014594
2013-01-17

Mass flow sensor and method for determining the mass flow in a pipe

#184
20120245894
2012-09-27

Use of wattmeter to determine hydraulic fluid parameters

#185
20120156575
2012-06-21

Flow estimation based on anode pressure response in fuel cell system

#186
20110315114
2011-12-29

System and method for measuring engine airflow

#187
20110271769
2011-11-10

Flow measuring apparatus

#188
20110160893
2011-06-30

Applications of sonar-based VF/GVF metering to industrial processing

#189
20110132105
2011-06-09

Method for measuring mass flow of a multi-component gas

#190
20110077911
2011-03-31

MULTI-MEASUREMENT VORTEX FLOWMETER

#191
20110030469
2011-02-10

Measurement apparatus for mass flow detection of harvested crops

#192
20110029261
2011-02-03

FLUID MEASUREMENT DEVICE AND FLUID MEASUREMENT METHOD

#193
20100286931
2010-11-11

System, method and computer program for determining fluid flow rate using a pressure sensor and a thermal mass flow sensor

#194
20100280757
2010-11-04

Multi-phase fluid measurement apparatus and method

#195
20100275701
2010-11-04

Magnetic flowmeter for measuring flow

#196
20100145636
2010-06-10

Flow measurements

#197
20100043566
2010-02-25

Measuring system with a flow conditioner arranged at an inlet of a measuring table

#198
20100043544
2010-02-25

DEVICE AND METHOD FOR MONITORING A GAS VOLUME IN A UNIT FILLED WITH LIQUID

#199
20100037704
2010-02-18

Measuring system with a flow conditioner arranged at an inlet of a measuring tube

#200
20100011879
2010-01-21

Measuring system with a flow conditioner arranged at an inlet of a measuring tube

#201
20100011878
2010-01-21

Measuring system with a flow conditioner arranged at an inlet of a measuring tube

#202
20090301219
2009-12-10

Multi-vortex flowmeter integrating pressure gauge

#203
20090249888
2009-10-08

Device for determining a mass flow of a first gas within an overall mixture of gases

#204
20090241687
2009-10-01

Multi-vortex flowmeter employing volume flow rate as switching point

#205
20090173166
2009-07-09

Multi-sensor mass flow meter along with method for accomplishing same

#206
20090078055
2009-03-26

Methods and apparatus for pressure compensation in a mass flow controller

#207
20090044634
2009-02-19

Apparatus for measuring the velocity of a fluid flow

#208
20090025485
2009-01-29

Device for measuring the mass flow of milk in particular during the milking process

#209
20080289691
2008-11-27

Mass flow rate control system

#210
20080288181
2008-11-20

Multiphase flow meter and data system

#211
20080275684
2008-11-06

TREATMENT PROTOCOL GENERATION FOR DISEASES RELATED TO ANGIOGENESIS

#212
20080271785
2008-11-06

Control system and method for a fuel processor

#213
20080195331
2008-08-14

Method for determining the gas volume flow in gas recirculation at a filling station

#214
20080141769
2008-06-19

Vortex flowmeter with temperature compensation

#215
20080141757
2008-06-19

Onboard method of determining EGR flow rate

#216
20080134755
2008-06-12

Gas analysis system and method

#217
20080134751
2008-06-12

Gas analysis system and method

#218
20080087099
2008-04-17

Antenna device for injecting or extracting microwaves into/from tubular hollow bodies, and device for measuring mass flow by using antenna devices of this type

#219
20080072688
2008-03-27

Measuring system with a flow conditioner arranged at an inlet of a measuring tube

#220
20080072686
2008-03-27

Measuring system with a flow conditioner arranged at an inlet of a measuring tube

#221
20080066557
2008-03-20

Flowmeter element, mass flowmeter and mass flow measurement system

#222
20080053242
2008-03-06

Process device with density measurement

#223
20080034889
2008-02-14

Method For Measuring Mass Flow Of A Multi-Component Gas

#224
20070288180
2007-12-13

Methods and apparatus for pressure compensation in a mass flow controller

#225
20070203657
2007-08-30

Method And Device For Determining The Density And Speed Of Free-Flowing Media

#226
20070192054
2007-08-16

Multi-variable mass/flow rate transfer device

#227
20070189452
2007-08-16

On-Line Tool For Detection Of Solids And Water In Petroleum Pipelines

#228
20070185661
2007-08-09

Measurement method and arrangement

#229
20070151333
2007-07-05

Ultrasonic-densiometer mass flow sensor for use in flow metering units

#230
20070150547
2007-06-28

Multi-measurement vortex flowmeter

#231
20070119230
2007-05-31

Device and method for monitoring a gas volume in a unit filled with liquid

#232
20070089789
2007-04-26

Higher accuracy pressure based flow controller

#233
20070044572
2007-03-01

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

#234
20060247869
2006-11-02

Multiphase flow meter and data system

#235
20060225710
2006-10-12

Method and device for estimating the inlet air flow in a combustion chamber of a cylinder of an internal combustion engine

#236
20060212232
2006-09-21

Water cut meter for measurement of water in crude oil

#237
20060173642
2006-08-03

Apparatus and method for pressure fluctuation insensitive mass flow control

#238
20060123933
2006-06-15

Flow measuring method and device

#239
20060096388
2006-05-11

System for measuring a parameter of an aerated multi-phase mixture flowing in a pipe

#240
20060069494
2006-03-30

Method for obtaining exhaust gas flow quantity, exhaust gas flow measurement apparatus, and exhaust gas recirculation control system

#241
20060069490
2006-03-30

Mass air flow estimation based on manifold absolute pressure

#242
20050273278
2005-12-08

Program product to measure density, specific gravity, and flow rate of fluids

#243
20050223813
2005-10-13

Methods and apparatus for pressure compensation in a mass flow controller

#244
20050210998
2005-09-29

Simplified fluid property measurement

#245
20050154526
2005-07-14

Intake-air measuring apparatus for internal combustion engine

#246
20050145041
2005-07-07

Vortex flow pickup

#247
20050102092
2005-05-12

Computing method of engine intake air amount and air fuel ratio control method and apparatus using the same

#248
20050092077
2005-05-05

Variable resistance sensor with common reference leg

#249
20050061061
2005-03-24

Inferential densometer and mass flowmeter

#250
20050043905
2005-02-24

Device for estimating the mass flow of fuel

#251
20050034535
2005-02-17

System to measure density, specific gravity, and flow rate of fluids, meter, and related methods

#252
17136673
2024-12-10

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