ClassID:

165050

G01F1/363 - 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 by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication

Recent Application in this class:
#1
20260090689
2026-04-02

METHOD OF DETERMINING AN AIRFLOW RATE THROUGH A MOTOR ASSEMBLY OF AN AIR-MOVING DEVICE

#2
20260009103
2026-01-08

SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY

#3
20250383111
2025-12-18

FLOWRATE DETERMINATION SYSTEM AND METHOD FOR A FLOW CONTROL VALVE

#4
20250354843
2025-11-20

AIR DUCT AIRFLOW SENSOR

#5
20250333815
2025-10-30

SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION

#6
20250312529
2025-10-09

DUAL-SENSOR DIFFERENTIAL PRESSURE TRANSDUCER SYSTEM

#7
20250283742
2025-09-11

FLOWMETER WITH CONDITIONING ORIFICE PLATE

#8
20250258026
2025-08-14

FORWARD AND REVERSE BIDIRECTIONAL FLOW RATE MEASUREMENT METHOD FOR SUBSEA CHEMICAL AGENT INJECTION DEVICE

#9
20250238043
2025-07-24

Methods and Apparatus for Reporting Inlet Pressure in Mass Flow Controllers

#10
20250237535
2025-07-24

SENSOR APPARATUS

#11
20250230878
2025-07-17

VALVE ELEMENT, METHOD FOR OPERATING THE VALVE ELEMENT, AND PROCESS VALVE

#12
20250073407
2025-03-06

INTEGRATED SENSOR ASSEMBLY OF A RESPIRATORY THERAPY SYSTEM

#13
20250043978
2025-02-06

CALIBRATION OF A FLUID METERING DEVICE

#14
20250035471
2025-01-30

METHOD FOR MEASURING OF THE FLOW RATE OF A PUMP

#15
20240418552
2024-12-19

METHOD FOR DETERMINING A GAS PHASE MASS FRACTION AND/OR GAS PHASE MASS FLOW RATE OF A MULTI-PHASE MEDIUM WITH A LIQUID PHASE AND A GAS PHASE FLOWING IN A MEASURING TUBE, AND MEASURING SENSOR THEREFOR

#16
20240337515
2024-10-10

System for measuring the flow rate of liquid in a microfluidic pipe

#17
20240255972
2024-08-01

FAN-POWERED UNITS CALIBRATED BY TYPE OR SIZE

#18
20240219213
2024-07-04

Sensor apparatus

#19
20240210965
2024-06-27

FLUID CONTROL DEVICE, FLUID CONTROL SYSTEM, STORAGE MEDIUM STORING A PROGRAM FOR FLUID CONTROL DEVICE, AND FLUID CONTROL METHOD

#20
20240201713
2024-06-20

Method and apparatus for mass flow control

#21
20240160230
2024-05-16

Flow rate control device

#22
20240151564
2024-05-09

CARBON DIOXIDE MULTIPHASE FLOW MEASUREMENT BASED ON DIELECTRIC PERMITTIVITY

#23
20240068851
2024-02-29

METHOD, APPARATUS, AND PARAMETER TRAINING METHOD FOR FRICTION LOSS-BASED DIFFERENTIAL PRESSURE FLOW RATE MEASUREMENT

#24
20240068850
2024-02-29

AIR DUCT AIRFLOW SENSOR

#25
20240053241
2024-02-15

Methods and systems for sample extraction

#26
20240026493
2024-01-25

SYSTEMS AND METHODS FOR IMPROVED RAFFINATE INJECTION

#27
20240026492
2024-01-25

SYSTEMS AND METHODS FOR SUBSURFACE METAL RECOVERY

#28
20240003727
2024-01-04

MEASURING DEVICE FOR METERING FLUIDS, AND METHOD FOR METERING BY MEANS OF A MEASURING DEVICE OF THIS TYPE

#29
20230392965
2023-12-07

FLUID MONITORING MODULE ARRANGEMENTS

#30
20230375383
2023-11-23

Continuous microfluidic dilatometry for physical activity monitoring with ultrahigh sensitivity

#31
20230374872
2023-11-23

Method for Determining a Flow Rate of a Drilling Mud in a Subsoil Drilling System

#32
20230366709
2023-11-16

FLOW CONTROL AND MEASUREMENT THROUGH PARTICLE COUNTERS

#33
20230359228
2023-11-09

Flow rate control device and flow rate control method

#34
20230243679
2023-08-03

Sensor apparatus

#35
20230236612
2023-07-27

HVAC self-balancing components and controls

#36
20230213952
2023-07-06

Measuring pressure in a stagnation zone

#37
20230205237
2023-06-29

Calibration of a fluid metering device

#38
20230146582
2023-05-11

Systems and methods for measuring low speed fluid flow

#39
20220413522
2022-12-29

FLUID RESISTANCE ELEMENT AND FLUID CONTROL DEVICE

#40
20220413521
2022-12-29

Fluid control device, fluid control system, storage medium storing a program for fluid control device, and fluid control method

#41
20220381360
2022-12-01

Pilot-operated relief valve assembly

#42
20220316928
2022-10-06

Multiphase flowmeter system with a non-radioactive sensor subsystem and methods thereof

#43
20220308602
2022-09-29

Fluid pressure monitoring system using flow data

#44
20220275963
2022-09-01

FLOWRATE DETERMINATION SYSTEM AND METHOD FOR A FLOW CONTROL VALVE

#45
20220205821
2022-06-30

UNIFIED SYSTEM FOR PRESSURE AND FLOWRATE MEASUREMENT

#46
20220197316
2022-06-23

Flow rate control device

#47
20220155112
2022-05-19

Methods and devices for determination of differential parameters associated with fluid flow within a conduit

#48
20220126041
2022-04-28

Integrated sensor assembly of a respiratory therapy system

#49
20220107212
2022-04-07

Differential-pressure-based flow meters

#50
20220074766
2022-03-10

Apparatus and method for measuring flow-permeable surface area of porous powders using volume flow rate

#51
20220043466
2022-02-10

Flow rate control apparatus, flow rate control method, and program recording medium recording flow rate control program

#52
20220026248
2022-01-27

WET GAS FLOW METER BASED ON RESONANT DENSITY AND DIFFERENTIAL PRESSURE MEASUREMENT

#53
20210285803
2021-09-16

Filter life predicting apparatus

#54
20210278261
2021-09-09

Sensor apparatus

#55
20210231474
2021-07-29

DIFFERENTIAL PRESSURE TYPE FLOWMETER

#56
20210231473
2021-07-29

DIFFERENTIAL PRESSURE TYPE FLOWMETER

#57
20210199480
2021-07-01

Flow rate estimation for mass flow controller

#58
20210172774
2021-06-10

VOLUMETRIC FLOW SENSOR FOR TUBULAR CONDUITS AND METHOD

#59
20210141399
2021-05-13

Flow rate control device and flow rate control method

#60
20210106995
2021-04-15

Continuous microfluidic dilatometry for physical activity monitoring with ultrahigh sensitivity

#61
20210102826
2021-04-08

Fluid monitoring module arrangements

#62
20210080313
2021-03-18

Mass flow verification based on rate of pressure decay

#63
20210025740
2021-01-28

Virtual multiphase flowmeter system

#64
20200393279
2020-12-17

Method for determining a volumetric and/or mass flow rate

#65
20200348158
2020-11-05

Self-diagnosis method for flow rate control device

#66
20200326219
2020-10-15

Drop test measuring system and method(s) of use thereof

#67
20200301455
2020-09-24

Method and apparatus for pulse gas delivery using an external pressure trigger

#68
20200300681
2020-09-24

Gas bypass meter system

#69
20200278226
2020-09-03

Flow rate calculation system, flow rate calculation system program, flow rate calculation method, and flow rate calculation device

#70
20200264067
2020-08-20

Fluid usage monitoring and control system

#71
20200241578
2020-07-30

Method and Apparatus for Pulse Gas Delivery Using an External Pressure Trigger

#72
20200232894
2020-07-23

Methods and systems for sample extraction

#73
20200110427
2020-04-09

SIMULATED BREATHING APPARATUS

#74
20200103042
2020-04-02

Pilot-operated relief valve assembly

#75
20200088558
2020-03-19

Fluid monitoring module arrangements

#76
20200081459
2020-03-12

Method and apparatus for pulse gas delivery using an external pressure trigger

#77
20200033895
2020-01-30

Pressure-type flow control device and flow control method

#78
20200026311
2020-01-23

Flow rate control apparatus, flow rate control method, and program recording medium having recorded therein program for flow rate control apparatus

#79
20190293476
2019-09-26

Methods, systems, and apparatus for mass flow verification based on rate of pressure decay

#80
20190285442
2019-09-19

Handheld digital manometer

#81
20190250648
2019-08-15

Pressure-type flow rate control device

#82
20190243392
2019-08-08

Method and apparatus for pulse gas delivery with isolation valves

#83
20190242773
2019-08-08

Differential pressure measurement arrangement and method for identifying blocked differential pressure lines

#84
20190224432
2019-07-25

Integrated sensor assembly of a respiratory therapy system

#85
20190221388
2019-07-18

Pressure switch with corrugated sheets

#86
20190216385
2019-07-18

Instrumented Glove for Monitoring Oral Motor Kinetics During Non-Nutritive Feeding

#87
20190212178
2019-07-11

Apparatus, system and method for use in determining a property of a flowing multiphase fluid

#88
20190212175
2019-07-11

Apparatus and method for estimating flow velocity of fluid

#89
20190204126
2019-07-04

Sensor apparatus

#90
20190178064
2019-06-13

GAS LIFT ACCELERATOR TOOL

#91
20190145808
2019-05-16

Wet gas measuring device

#92
20190137309
2019-05-09

Flow rate control device, method of calibrating flow rate of flow rate control device, flow rate measuring device, and method of measuring flow rate using flow rate measuring device

#93
20190137308
2019-05-09

Flow measurement systems and methods

#94
20190078914
2019-03-14

Pressure sensor cap having flow path with dimension variation

#95
20190063968
2019-02-28

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

#96
20190033896
2019-01-31

Flow rate control apparatus, flow rate control method, and program recording medium

#97
20190024655
2019-01-24

Systems and methods for pump slip sensing

#98
20180372518
2018-12-27

METHOD FOR DETERMINING AT LEAST ONE VARIABLE OPERATIONAL CHARACTERISTIC OF A HYDRAULIC SYSTEM

#99
20180345168
2018-12-06

Self-draining mount head for transmitter

#100
20180326738
2018-11-15

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

#101
20180314271
2018-11-01

Flow rate signal correction method and flow rate control device employing same

#102
20180306626
2018-10-25

Apparatus, system and method for use in determining a property of a flowing multiphase fluid

#103
20180306615
2018-10-25

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

#104
20180274961
2018-09-27

Apparatus and method for creating inferential process flow measurements using other process measurements

#105
20180274956
2018-09-27

Apparatus and method for creating inferential process flow measurements using flow restrictor and upstream and downstream pressure measurements

#106
20180266858
2018-09-20

Systems and methods for detecting oil in a fluid mixture

#107
20180261411
2018-09-13

Flow sensor module and controller

#108
20180259383
2018-09-13

Automatic shut off valve

#109
20180242883
2018-08-30

Respiratory flow sensor

#110
20180164135
2018-06-14

Flow rate characteristic function identification method, flow rate characteristic function identification device, storage medium storing flow rate characteristic function identification program, and flow rate sensor or flow rate control device using them

#111
20180106648
2018-04-19

Subsea flow meter assembly

#112
20180094956
2018-04-05

System for measuring fluid flow in a fluid passage of an HVAC system

#113
20180080692
2018-03-22

Refrigeration apparatus having leakage or charge deficiency determining feature

#114
20180031143
2018-02-01

Balancing valve for adjusting the distribution of fluids in multiple pipes

#115
20170328750
2017-11-16

Flow-rate measurement assembly according to the differential-pressure measurement principle

#116
20170276563
2017-09-28

Pressure change measurement device, altitude measurement device, and pressure change measurement method

#117
20170234455
2017-08-17

Pressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the same

#118
20170188936
2017-07-06

Systems for monitoring infant oral motor kinetics during nutritive and non-nutritive feeding

#119
20170060143
2017-03-02

Method and apparatus for pressure-based flow measurement in non-critical flow conditions

#120
20170052045
2017-02-23

Measurement device having variable opening orifice for measuring airflow volume and ventilation resistance of wind blowing apparatus

#121
20160370808
2016-12-22

Pressure type flow control system with flow monitoring

#122
20160363499
2016-12-15

Sensor body for a flow through pressure sensor

#123
20160340881
2016-11-24

System and method for a diaphragm valve controlled through measurement of water pressure and solenoid opening time

#124
20160274595
2016-09-22

Flow rate range variable type flow rate control apparatus

#125
20160239026
2016-08-18

Flow meter and flow control device provided therewith

#126
20160195093
2016-07-07

FLOW MONITORING DEVICE FOR HYDRAULIC PUMP

#127
20160116313
2016-04-28

System for measuring fluid flow in a fluid passage of an HVAC system

#128
20160084687
2016-03-24

Flow metering

#129
20160052500
2016-02-25

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

#130
20150376969
2015-12-31

Removable orifice plate device

#131
20150316402
2015-11-05

Apparatus and method for accurately measuring flow of a multi-component mixture having scale buildup

#132
20150247749
2015-09-03

Wet gas flow measuring method and apparatus

#133
20150233745
2015-08-20

Method and Apparatus for Metering in Liquid Distribution System

#134
20150196247
2015-07-16

Systems for monitoring infant oral motor kinetics during nutritive and non-nutritive feeding

#135
20150177031
2015-06-25

Methods and systems to measure fluid flow

#136
20150112556
2015-04-23

Device for detecting mass particles and method for control

#137
20150075293
2015-03-19

Customizable averaging pitot tube probe and process variable transmitter

#138
20140371926
2014-12-18

Pressure compensated flow rate controller with BTU meter

#139
20140331783
2014-11-13

Multiphase flowmeter

#140
20140303909
2014-10-09

Ultrasonic meter flow measurement monitoring system

#141
20140261783
2014-09-18

System and method for a diaphragm valve controlled through measurement of water pressure and solenoid opening time

#142
20140230924
2014-08-21

Automatic shut off valve

#143
20140230911
2014-08-21

Pressure type flow control system with flow monitoring, and method for detecting anomaly in fluid supply system and handling method at abnormal monitoring flow rate using the same

#144
20140209179
2014-07-31

Validation method for pressure sensor signal at electrical controlled high pressure gas storage systems

#145
20140208833
2014-07-31

Flow sensor

#146
20140182692
2014-07-03

Pressure type flow control system with flow monitoring

#147
20140165734
2014-06-19

Amplifier-embedded pressure sensor

#148
20140165719
2014-06-19

Water meter systems and methods with bypass-flow path and rechargeable energy storage

#149
20140083514
2014-03-27

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

#150
20140020472
2014-01-23

Differential pressure/pressure transmitting device

#151
20130340535
2013-12-26

Measuring device of air flow rate for air conditioning system

#152
20130319545
2013-12-05

Butterfly valve for arrangement in a flow duct of an air-conditioning installation

#153
20130239545
2013-09-19

Rocket engine pressure sense line

#154
20130220451
2013-08-29

Flow rate range variable type flow rate control apparatus

#155
20130098469
2013-04-25

Roddable direct mount manifold for primary flow element

#156
20130008264
2013-01-10

Fluid flow rate measurement method including two pitot tubes, a differential pressure sensor, and a microcontroller

#157
20120298220
2012-11-29

Pressure type flow rate control device

#158
20120283993
2012-11-08

Measuring apparatus

#159
20120279292
2012-11-08

FLOW MEASUREMENTS IN AN OIL RESERVOIR

#160
20120234074
2012-09-20

Measurement device and method for determining a fluid fill level in a fuel tank

#161
20120232420
2012-09-13

Respiration monitoring

#162
20120222495
2012-09-06

Flow monitored particle sensor

#163
20120216628
2012-08-30

Method and apparatus for differential pressure measurement

#164
20120210708
2012-08-23

Water meter

#165
20120185102
2012-07-19

Pressure compensated flow rate controller with BTU meter

#166
20120150383
2012-06-14

Systems and methods for detection of piston pump failures on mobile machines

#167
20120103439
2012-05-03

Flow control assembly

#168
20120085166
2012-04-12

Device for measuring the characteristics of a flow within a pipe

#169
20120053860
2012-03-01

Differential pressure sensor and method

#170
20120048030
2012-03-01

Apparatus for use in determining a plurality of characteristics of a multiphase flow within a pipe

#171
20120017699
2012-01-26

Applications for real-time mass ratio, mass flow and particle size measurement of particle laden flows

#172
20110313704
2011-12-22

Physical quantity sensor

#173
20110307192
2011-12-15

MASS FLOW METERING SYSTEM FOR AIRCRAFT APPLICATIONS

#174
20110301877
2011-12-08

Method and apparatus for wet gas flow measurements and measurement of gas properties

#175
20110290035
2011-12-01

Method and apparatus for measurement of composition and flow rates of a wet gas

#176
20110283772
2011-11-24

Method and system for measuring a flow

#177
20110259120
2011-10-27

Multiphase flowmeter for measuring physical properties of individual phases in a multiphase flow

#178
20110259119
2011-10-27

TWO-PHASE FLOW METER

#179
20110248043
2011-10-13

Fluid flow measuring and proportional fluid flow control device

#180
20110224603
2011-09-15

Device and method for determining at least one flow parameter

#181
20110217182
2011-09-08

AIR MOVEMENT SYSTEM

#182
20110214757
2011-09-08

Pressure sensor, pressure-differential flow rate meter, and flow rate controller

#183
20110146415
2011-06-23

Pressure guiding tube blockage diagnosing device and blockage diagnosing method

#184
20110139268
2011-06-16

Mounting System

#185
20110138883
2011-06-16

Injector flow measurement for fuel cell applications

#186
20110137584
2011-06-09

METHOD OF DETECTING SLUGS OF ONE PHASE IN A MULTIPHASE FLOW

#187
20110072911
2011-03-31

System and method for estimating EGR mass flow rates

#188
20110040485
2011-02-17

Method of measuring multi-phase fluid flow downhole

#189
20110029258
2011-02-03

Pressure measurement for flow metering device

#190
20110022979
2011-01-27

Field device configuration system

#191
20110011185
2011-01-20

Flowmeter and manifold therefor

#192
20110005337
2011-01-13

Single and multiphase fluid measurements using a coriolis meter and a differential pressure flowmeter

#193
20100292934
2010-11-18

EMISSIONS ANALYZER AND METHODS OF USING SAME

#194
20100281997
2010-11-11

Flow control assembly

#195
20100236643
2010-09-23

System and method for flow monitoring and control

#196
20100212434
2010-08-26

Flow sensor apparatus and method with media isolated electrical connections

#197
20100200083
2010-08-12

Flow rate controller

#198
20100199779
2010-08-12

Multiphase flowmeter using a combination of pressure differentials and ultrasound doppler readings

#199
20100198155
2010-08-05

Cassette for differential pressure based medication delivery flow sensor assembly for medication delivery monitoring and method of making the same

#200
20100141901
2010-06-10

Installation structure of sensor and projector apparatus having the same

#201
20100139775
2010-06-10

Flow rate range variable type flow rate control apparatus

#202
20100132471
2010-06-03

Method and apparatus for pressure measurement using quartz crystal

#203
20100122580
2010-05-20

Flow sensor apparatus and method with media isolated electrical connections

#204
20100106433
2010-04-29

Multivariable process fluid flow device with fast response flow calculation

#205
20100070206
2010-03-18

Multi-gas flow device

#206
20100050782
2010-03-04

Simplified orifice type differential pressure flow meter with improved accuracy

#207
20100030388
2010-02-04

Multi-gas flow device

#208
20100011869
2010-01-21

Differential pressure diagnostic for process fluid pulsations

#209
20090292484
2009-11-26

Multivariable process fluid flow device with energy flow calculation

#210
20090292400
2009-11-26

Configuration of a multivariable process fluid flow device

#211
20090250116
2009-10-08

FLOW RATE CONTROLLING APPARATUS

#212
20090229377
2009-09-17

Differential-pressure flow meter having a main control board in a space in a base member

#213
20090217752
2009-09-03

Sensor unit having a measuring probe and a housing part with sensors and a computing unit integrated in the housing part

#214
20090216477
2009-08-27

MEASURING APPARATUSES AND METHODS OF USING THEM

#215
20090211372
2009-08-27

Ram pressure probe having two ducts and a differential pressure increasing element

#216
20090211371
2009-08-27

FLOW MEASURING DEVICE

#217
20090139347
2009-06-04

Venturi flow sensor

#218
20090120515
2009-05-14

FLOW RATE MEASUREMENT VALVE

#219
20090113985
2009-05-07

Fluid flow measuring and proportional fluid flow control device

#220
20090093774
2009-04-09

AMBULATORY PUMP WITH INTELLIGENT FLOW CONTROL

#221
20090078038
2009-03-26

Flow meter and flow-regulating system using the same

#222
20090071241
2009-03-19

Air flow measurement

#223
20090020120
2009-01-22

Monitor for CPAP/ventilator apparatus

#224
20090019938
2009-01-22

Pressure diagnostic for rotary equipment

#225
20090000393
2009-01-01

Differential pressure measurement device having a microwave resonator with a flexible member

#226
20080264182
2008-10-30

FLOW METER USING SENSITIVE DIFFERENTIAL PRESSURE MEASUREMENT

#227
20080238697
2008-10-02

Differential pressure measuring probe with bottoming indicator

#228
20080224877
2008-09-18

Apparatus for flow detection, measurement and control and method for use of same

#229
20080141757
2008-06-19

Onboard method of determining EGR flow rate

#230
20080121576
2008-05-29

Flow sensing apparatus used to monitor/provide feedback system to a split flow pumping system

#231
20080077335
2008-03-27

Method to evaluate a performance of a control valve and a system thereof

#232
20080059084
2008-03-06

Multi-gas flow device

#233
20080053242
2008-03-06

Process device with density measurement

#234
20080033901
2008-02-07

Fluid flow measuring and proportional fluid flow control device

#235
20080028822
2008-02-07

Single and multiphase fluid measurements

#236
20070289357
2007-12-20

Single and multiphase fluid measurements using a Coriolis meter and a differential pressure flowmeter

#237
20070271043
2007-11-22

Method and system for generating an uncertainty value

#238
20070192047
2007-08-16

Unsteady flow meter

#239
20070174013
2007-07-26

Measuring apparatuses and methods of using them

#240
20070131279
2007-06-14

MEMS flow sensor

#241
20070089788
2007-04-26

Chemically inert flow controller with non-contaminating body

#242
20070089609
2007-04-26

Oil-gas-water multi-phase flow adjusting apparatus and oil-gas-water multi-phase flow rate measuring apparatus and measuring method

#243
20070067116
2007-03-22

Method for calibrating a volumetric flow meter having an array of sensors

#244
20060266128
2006-11-30

Fluid flow measurement device

#245
20060162466
2006-07-27

Fluid flow measuring and proportional fluid flow control device

#246
20060130755
2006-06-22

Pulsed mass flow measurement system and method

#247
20060074570
2006-04-06

Electronic gas flow measurement and recording device

#248
20060059987
2006-03-23

Systems and methods for sensing and/or measuring flow rate of gases based upon mass flow conditions

#249
20060052904
2006-03-09

System and method for flow monitoring and control

#250
20060042399
2006-03-02

Fluid flow meter with a body having upstream and downstream conical portions and an intermediate cylindrical portion

#251
20060037408
2006-02-23

Apparatus and methods for abrasive fluid flow meter

#252
20060036404
2006-02-16

Process variable transmitter with diagnostics

#253
20060010989
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