ClassID:

165113

G01F1/72 - 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 pulsing fluid flows

Recent Application in this class:
#1
20240151566
2024-05-09

Physical Quantity Detection Device, Signal Processing Device, and Signal Processing Method

#2
20230408087
2023-12-21

Electronic Control Device and Flow Rate Measurement System

#3
20230288240
2023-09-14

Method for determining the mass flow in an internal combustion engine

#4
20230218820
2023-07-13

FLOW RATE MEASUREMENT AND CONTROL OF INFUSION DEVICES

#5
20220326058
2022-10-13

MEASUREMENT CONTROL DEVICE

#6
20220160328
2022-05-26

Fluid flow analysis

#7
20220147069
2022-05-12

Gas safety device

#8
20220083081
2022-03-17

Mass flow control based on micro-electromechanical devices

#9
20210270202
2021-09-02

Internal combustion engine control device

#10
20210108952
2021-04-15

MEASUREMENT CONTROL DEVICE AND FLOW VOLUME MEASURING DEVICE

#11
20210054799
2021-02-25

GAS FLOW RATE MEASUREMENT DEVICE AND GAS FLOW RATE MEASUREMENT METHOD

#12
20210054798
2021-02-25

Air flow measurement device

#13
20210033441
2021-02-04

Measurement control device and flow measurement device

#14
20200340840
2020-10-29

Air flow rate measurement device

#15
20200340839
2020-10-29

AIR FLOW RATE MEASUREMENT DEVICE

#16
20200188586
2020-06-18

Flow rate measurement and control of infusion devices

#17
20200141778
2020-05-07

PULSATION DAMPER FOR A THERMAL FLOW SENSOR

#18
20200103265
2020-04-02

High and low flow rate measurement device and method having a flow rate correction for overlapping flow ranges

#19
20200056918
2020-02-20

Method and a device for determining the mass flow rate and the presence or absence of a liquid flowing in a pipe

#20
20200040834
2020-02-06

Air flow measurement device

#21
20200033173
2020-01-30

AIR FLOW RATE MEASURING DEVICE

#22
20200003597
2020-01-02

AIR FLOW MEASURING DEVICE

#23
20200003595
2020-01-02

Flow rate measuring device

#24
20190309589
2019-10-10

Mud return flow monitoring

#25
20190277674
2019-09-12

Engine exhaust flow measurement with pulsation compensation

#26
20190212177
2019-07-11

Method of detecting fluid flows, corresponding device and computer program product

#27
20190165766
2019-05-30

Method for averaging pulsating measurement quantities

#28
20190137307
2019-05-09

Miniature flow sensor with shroud

#29
20190099153
2019-04-04

Fluid flow analysis

#30
20180299309
2018-10-18

Air Flow Rate Measuring Device

#31
20180266861
2018-09-20

Thermal air flow meter with adjustment of pulsation correction function

#32
20180231989
2018-08-16

Cascaded adaptive filters for attenuating noise in a feedback path of a flow controller

#33
20180193559
2018-07-12

Dripping detection apparatus

#34
20180177945
2018-06-28

Flow rate measurement and control of infusion devices

#35
20180140970
2018-05-24

Sampling pumps and closed loop control of sampling pumps to load traps

#36
20170356775
2017-12-14

Flow measuring device

#37
20170167905
2017-06-15

Method for determining flow rates of phases of a two-phase mixture in a pipeline

#38
20170074703
2017-03-16

Air flow measuring device

#39
20160377470
2016-12-29

Air flow rate measurement device

#40
20160363100
2016-12-15

Method for determining a flow rate through a valve

#41
20160334257
2016-11-17

Method for operating a flowmeter and respective flowmeter

#42
20160223376
2016-08-04

Method and a device for determining the mass flow rate and the presence or absence of a liquid flowing in a pipe

#43
20160209255
2016-07-21

Thermal flow sensor

#44
20160161313
2016-06-09

Airflow meter

#45
20150300916
2015-10-22

Estimation apparatus and method for cylinder intake air amount of internal combustion engine

#46
20150253170
2015-09-10

Zero point drift compensating flowmeter

#47
20150168186
2015-06-18

Fluid flow meter

#48
20150040652
2015-02-12

Intake air volume measuring device for internal combustion engine

#49
20150013470
2015-01-15

Method and apparatus for measuring a pulsatingly fluctuating flow rate

#50
20150007635
2015-01-08

Method for diagnosing internal fault of oil-immersed transformer through content ratios of dissolved gases

#51
20140345391
2014-11-27

Flow meter device

#52
20140245839
2014-09-04

Powder flow detection

#53
20140224004
2014-08-14

Thermal air flow meter

#54
20140208871
2014-07-31

Vibratory flowmeter and method for average flow rate

#55
20140076044
2014-03-20

Thermal flow sensor and method of generating flow rate detection signal by the thermal flow sensor

#56
20140060205
2014-03-06

Apparatus and method for measuring the flow-rate of different fluids present in multiphase streams

#57
20130199281
2013-08-08

Electroactive polymer-based flow sensor and methods related thereto

#58
20130167626
2013-07-04

Flow rate detection device

#59
20130088716
2013-04-11

Powder flow detection

#60
20130085443
2013-04-04

Intravenous flow rate controller

#61
20130083191
2013-04-04

Intravenous flow rate controller

#62
20130079667
2013-03-28

FLOW SENSOR WITH MEMS SENSING DEVICE AND METHOD FOR USING SAME

#63
20130047744
2013-02-28

Positive displacement flow meter

#64
20130014573
2013-01-17

Air flow measuring device having a sensor accommodated in a bypass flow passage

#65
20130008243
2013-01-10

Air flow measuring device

#66
20120329166
2012-12-27

Flow regulating system and monitoring device comprising said flow regulating system for the detection of air borne analytes

#67
20120291533
2012-11-22

Flow-rate measuring apparatus

#68
20120291519
2012-11-22

Method for adjusting flow measuring device

#69
20120265451
2012-10-18

Digital liquid flow rate meter

#70
20120240668
2012-09-27

Air flow measurement device

#71
20120216888
2012-08-30

System for and method of fast pulse gas delivery

#72
20120216629
2012-08-30

MEMS time-of-flight thermal mass flow meter

#73
20120209543
2012-08-16

Method for registering flow and a thermal, flow measuring device

#74
20120152032
2012-06-21

Drip monitor

#75
20120101745
2012-04-26

Flow measuring device

#76
20120041704
2012-02-16

Noise detection and avoidance

#77
20110313687
2011-12-22

Method for processing a signal from a flow meter for measuring a gas flow in an internal combustion engine

#78
20110214762
2011-09-08

Bi-directional flow meter with two fluidic oscillators connected in series

#79
20110196624
2011-08-11

Flow meter validation

#80
20110138927
2011-06-16

Flow rate measuring apparatus including a recess for changing air flow direction

#81
20110138883
2011-06-16

Injector flow measurement for fuel cell applications

#82
20110137580
2011-06-09

FLOW MEASUREMENT METHOD AND DEVICE

#83
20110132101
2011-06-09

Flow rate measuring apparatus including a recess for changing air flow direction

#84
20110004422
2011-01-06

Internal combustion engine control apparatus

#85
20100275685
2010-11-04

Thermal air flowmeter

#86
20100268437
2010-10-21

Method for detecting a periodically pulsing operating parameter

#87
20100223992
2010-09-09

Flowmeter

#88
20100154559
2010-06-24

Flow sensing device including a tapered flow channel

#89
20100139414
2010-06-10

Bi-directional oscillating jet flowmeter

#90
20100130866
2010-05-27

Method for determining flow and flow volume through a vessel

#91
20100107904
2010-05-06

SYSTEM AND METHOD FOR FLUID FLOW CONTROL

#92
20100095761
2010-04-22

Flow rate measuring device

#93
20100011869
2010-01-21

Differential pressure diagnostic for process fluid pulsations

#94
20100000308
2010-01-07

Flow rate measuring apparatus including a recess for changing air flow direction

#95
20090312962
2009-12-17

Method and device for determining the instantaneous mass flow of pulsating flows

#96
20090259415
2009-10-15

Air flow meter for an automobile

#97
20090019938
2009-01-22

Pressure diagnostic for rotary equipment

#98
20090007695
2009-01-08

Instantaneous flow rate measurement instrument of gaseous fuel injector

#99
20080257026
2008-10-23

Method and apparatus for determining intake air mass

#100
20080196493
2008-08-21

Flowmeter and flow control device

#101
20080163683
2008-07-10

Packaging methods and systems for measuring multiple measurands including bi-directional flow

#102
20080148840
2008-06-26

Fluid flow rate sensor and method of operation

#103
20080092645
2008-04-24

Thermal type flow rate measurement apparatus

#104
20080080588
2008-04-03

Apparatus and method for fluid flow measurement

#105
20080066521
2008-03-20

Coriolis flowmeter

#106
20080041148
2008-02-21

Measuring device for recording a gas mass flow

#107
20080028848
2008-02-07

Method and system for dynamic compensation of bi-directional flow sensor during respiratory therapy

#108
20070292816
2007-12-20

Integrated mass air flow sensor and broadband silencer

#109
20070256493
2007-11-08

Flow measurement apparatus

#110
20070193368
2007-08-23

Ultra low pressure drop flow sensor

#111
20070050155
2007-03-01

Mass air flow metering device and method

#112
20060281184
2006-12-14

Active reactant vapor pulse monitoring in a chemical reactor

#113
20060226108
2006-10-12

Apparatus and method for measuring fluid flow to a suckling baby

#114
20060225482
2006-10-12

Exhaust volume measurement device

#115
20060224298
2006-10-05

Method for pulsation correction within a measuring device measuring a media mass flow

#116
20060217901
2006-09-28

Flowmeter and flowmeter system

#117
20060212250
2006-09-21

Heating resistor type air flow rate measuring device and method of correcting measurement error

#118
20060207570
2006-09-21

Air intake device for internal combustion engine

#119
20060156807
2006-07-20

Fluid flow sensor

#120
20060130755
2006-06-22

Pulsed mass flow measurement system and method

#121
20060096574
2006-05-11

Air flow measuring device formed integrally with electronically controlled throttle body

#122
20060080050
2006-04-13

Fluid flow rate sensor and method of operation

#123
20060058971
2006-03-16

Coriolis flowmeter

#124
20060021429
2006-02-02

Device for determining at least one parameter of a medium flowing in a conduit

#125
20060016254
2006-01-26

Intake air flow detecting device for internal combustion engine

#126
20060005619
2006-01-12

Measuring device for a flow sensor, in particular an air mass sensor for internal combustion engines and method for measuring air flows

#127
20050252289
2005-11-17

Air flow rate measuring device having bypass passage

#128
20050177099
2005-08-11

Apparatus and method for measuring fluid flow to a suckling baby

#129
20050126281
2005-06-16

Flow direction detector

#130
20050109121
2005-05-26

Flowmeter and flowmeter system

#131
20050107705
2005-05-19

Flow-rate conservative doppler estimate

#132
20050081620
2005-04-21

Thermal flowmeter having a laminate structure

#133
20050080550
2005-04-14

Method and apparatus for measuring exhaust gas flow rate and it's application system for analyzing the exhaust gases from an engine

#134
20050055171
2005-03-10

Self-tuning ultrasonic meter

#135
20050046429
2005-03-03

Method of detecting a gas bubble in a liquid

#136
20050034518
2005-02-17

Method and device for determining the volumetric flow rate of milk flowing during a milking process

#137
20050011259
2005-01-20

Oil flow sensing

#138
20050000301
2005-01-06

Ultrasonic flowmeter including stable flow rate calculation means based on instantaneous flow rate