ClassID:

165009

G01F1/002 - 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 wherein the flow is in an open channel

Sub-classes:
Recent Application in this class:
#1
20260044905
2026-02-12

FLOATING PLATFORMS FOR SAMPLING FISH SURVEY IN TIDAL CHANNELS AT HIGH AND LOW TIDES AND QUANTITATIVE ASSESSMENT METHOD

#2
20250334433
2025-10-30

SYSTEM AND METHOD FOR DEPTH-BASED FLOW METERING

#3
20250172419
2025-05-29

WIRELESS SENSOR RELAY

#4
20250076093
2025-03-06

METAL-LINED PACKAGE CAVITY FOR FLUID SENSORS

#5
20240344863
2024-10-17

MULTIPOINT RADAR FLOW VELOCITY METER, BRAINY RTU, AND RIVER FLOW MEASUREMENT SYSTEM

#6
20240288290
2024-08-29

APPARATUS FOR MONITORING FLUID FLOW IN A PIPE USING ELECTROMAGNETIC VELOCITY TOMOGRAPHY

#7
20240255326
2024-08-01

APPARATUS AND METHODS FOR OPEN CHANNEL FLOW MEASUREMENT OF PROCESS FLUIDS

#8
20240247584
2024-07-25

DOWNHOLE FLOWMETER

#9
20240085228
2024-03-14

Apparatus for monitoring fluid flow in a pipe using electromagnetic velocity tomography

#10
20240044683
2024-02-08

FLOW IMAGING AND MONITORING FOR SYNCHRONIZED MANAGEMENT OF WIDE AREA DRAINAGE

#11
20230408310
2023-12-21

SENSOR ASSEMBLY FOR MEASURING THE AVERAGE VELOCITY IN CONDUITS OR OPEN CHANNELS

#12
20230366711
2023-11-16

Measurement of System for Streamflow Determination in Real Time

#13
20230258485
2023-08-17

Multi-layer open channel portable flow measuring device based on water impulse principle and flow measuring method

#14
20230258072
2023-08-17

Downhole flowmeter

#15
20230016847
2023-01-19

NON-INVASIVE METHOD AND DEVICE TO MEASURE THE FLOW RATE OF A RIVER, OPEN CHANNEL OR FLUID FLOWING IN AN UNDERGROUND PIPE OR CHANNEL

#16
20220396918
2022-12-15

Automatic monitoring of smelt flow exiting a recovery boiler

#17
20220283002
2022-09-08

APPARATUS FOR THE CONTINUOUS REMOTE MEASURING OF THE FLOWRATE OF WATER IN BULKHEAD-HOLDER OPENINGS FOR IRRIGATION

#18
20220252441
2022-08-11

Flow Meter for Sewage Conduit

#19
20220177292
2022-06-09

Connected and automated liquid dispensing attachment

#20
20220120779
2022-04-21

Optical fiber flow velocity measuring apparatus and method integrating high and low ranges

#21
20220113173
2022-04-14

NON-INVASIVE OPEN CHANNEL FLOW METER

#22
20210404273
2021-12-30

Open channel flow from multiple pressure sensors

#23
20210349065
2021-11-11

DIRECT CAPTURE SUBSTRATE, DEVICE AND METHOD

#24
20210293591
2021-09-23

Flow imaging and monitoring for synchronized management of wide area drainage

#25
20210164341
2021-06-03

Downhole flowmeter

#26
20210156719
2021-05-27

System and method for determining slurry sand concentration and continuous calibration of metering mechanisms for transferring same

#27
20210033439
2021-02-04

Flow imaging and monitoring for synchronized management of wide area drainage

#28
20200378819
2020-12-03

Flow rate determination based on limited observations

#29
20200217702
2020-07-09

Acoustic camera systems and methods for large scale flow analysis in turbid field environments

#30
20200209028
2020-07-02

Clamp-on ultrasonic flowmeter determining flow rate corresponding to phase velocity of low order asymmetric mode from plate wave generation

#31
20200166390
2020-05-28

Containment system for sensing elements

#32
20200109984
2020-04-09

Calibration tool for open channel flow measurement

#33
20200003596
2020-01-02

Monitoring flow parameters with natural expressions

#34
20190352852
2019-11-21

Apparatus for measuring the dewatering of a paper machine at different points of the wet end and a method for implementing it

#35
20190345673
2019-11-14

APPARATUS FOR MEASURING THE DEWATERING OF A PAPER MACHINE AT DIFFERENT POINTS OF THE WET END AND A METHOD FOR IMPLEMENTING IT

#36
20190310117
2019-10-10

ACQUATIC VELOCITY SCANNING APPARATUS AND METHODS

#37
20190285443
2019-09-19

Measuring pipe press fitted in a pipe hole of a circuit board with a guide provided on an inner wall of a case body

#38
20190257679
2019-08-22

Clamp-on ultrasonic sensor having coupling element adapted for respective measuring tube

#39
20190235130
2019-08-01

Distributed systems for stormwater monitoring and reporting

#40
20190154196
2019-05-23

Systems and methods for sewer monitoring

#41
20190145803
2019-05-16

Method for irrigating farmland

#42
20190137307
2019-05-09

Miniature flow sensor with shroud

#43
20190086247
2019-03-21

Single-beam radar level and velocity sensing

#44
20190056421
2019-02-21

Method and system for analyzing velocity distribution of water flow in a water body

#45
20180348013
2018-12-06

Environmental monitoring systems, methods and media

#46
20180335329
2018-11-22

Measuring device

#47
20180313677
2018-11-01

System and method for determining slurry sand concentration and continuous calibration of metering mechanisms for transferring same

#48
20180302170
2018-10-18

Apparatus for monitoring conditions within a water body

#49
20180299478
2018-10-18

Method and system for determining the velocity of a moving fluid surface

#50
20180274961
2018-09-27

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

#51
20180238726
2018-08-23

Flow imaging and monitoring for synchronized management of wide area drainage

#52
20180216979
2018-08-02

Monitoring of fluid flow in an open channel using an optical fibre sensor

#53
20180172492
2018-06-21

Acquatic velocity scanning apparatus and methods

#54
20180156647
2018-06-07

Technique to measure the distance between stations using DGPS/RTK GPS in the velocity area method (stationary) with an acoustic doppler current profiler

#55
20180088054
2018-03-29

Detecting the presence of liquid in a high pressure gas pipeline

#56
20180010936
2018-01-11

River discharge and depth estimation

#57
20180003535
2018-01-04

Flow meter with adaptable beam characteristics

#58
20180003533
2018-01-04

Flow meter with adaptable beam characteristics

#59
20180003531
2018-01-04

Flow meter with adaptable beam characteristics

#60
20170356775
2017-12-14

Flow measuring device

#61
20170294101
2017-10-12

Distributed systems for stormwater monitoring and reporting

#62
20170227391
2017-08-10

Monitoring systems and methods

#63
20170184430
2017-06-29

Flow measuring instrument comprising a wind velocity sensor

#64
20170131126
2017-05-11

Flow meter assembly, gate assemblies and methods of flow measurement

#65
20170089748
2017-03-30

Determining a level and flow speed of a medium

#66
20170082470
2017-03-23

Flow imaging and monitoring for synchronized management of wide area drainage

#67
20160377461
2016-12-29

Wake test instrumentation

#68
20160305911
2016-10-20

Method for recognizing the presence of liquid in a gas flow

#69
20160282159
2016-09-29

Undershot gate flow control system with flow diverter

#70
20160252466
2016-09-01

Waste water assessment

#71
20160138950
2016-05-19

Method for converting a measurement of local velocity of a fluid in a channel or a duct into a mean velocity

#72
20150377663
2015-12-31

Pressure and flow detection sensor including a carbon-based element

#73
20150369641
2015-12-24

Fluid quantification instrument and method

#74
20150212045
2015-07-30

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

#75
20150192541
2015-07-09

Oxidation/reduction measurement

#76
20150143917
2015-05-28

Silt control in fluid networks

#77
20150082911
2015-03-26

Flow meter assembly, gate assemblies and methods of flow measurement

#78
20150066397
2015-03-05

Detecting a sediment condition in a conduit

#79
20150066396
2015-03-05

Estimating flow rates of a liquid in a conduit

#80
20150027222
2015-01-29

Micromonitoring apparatus and method

#81
20150019146
2015-01-15

Sewer overflow discharge monitoring system and method

#82
20150007654
2015-01-08

Determining a distance and a flow speed of a medium

#83
20150007653
2015-01-08

Determining a level and flow speed of a medium

#84
20140374160
2014-12-25

Installation for drilling a well into a soil and associated drilling method

#85
20140338466
2014-11-20

Flow meter assembly, gate assemblies and methods of flow measurement

#86
20140251689
2014-09-11

Apparatus and method for controlling, measuring, and sampling a fluid flow

#87
20140230567
2014-08-21

Acquatic velocity scanning apparatus and methods

#88
20140196547
2014-07-17

Deployable ultrasonic flow meter that is inserted through a gate valve slot, method and apparatus

#89
20140144246
2014-05-29

Flow measuring device and method for ascertaining flow of a medium through a measuring tube based on medium velocity and cross section

#90
20140116107
2014-05-01

System and method for preventing false flow measurements in a vibrating meter

#91
20140000360
2014-01-02

Micromonitoring apparatus and method

#92
20130239698
2013-09-19

Flow meter assembly, gate assemblies and methods of flow measurement

#93
20130041600
2013-02-14

Doppler measurement instrument and doppler measurement processing method

#94
20130041599
2013-02-14

Target set processing in a fluid flow velocity instrument to reduce noise

#95
20130030722
2013-01-31

MOBILE FLOW RATE MEASURING SYSTEM AND METHOD

#96
20130008260
2013-01-10

Flow measuring device including segmented pipe section with a liner provided in the inner surface

#97
20130000416
2013-01-03

Waste water assessment

#98
20120298529
2012-11-29

Oxidation/reduction measurement

#99
20120245863
2012-09-27

Instrument and method for processing a doppler measurement signal

#100
20120200697
2012-08-09

Dry agricultural materials management

#101
20120144930
2012-06-14

Flow meter assembly, gate assemblies and methods of flow measurement

#102
20120090403
2012-04-19

Electromagnetic fluid velocity sensor with adjustable electrodes

#103
20120060944
2012-03-15

Method and apparatus for measuring a gas flow velocity

#104
20120031196
2012-02-09

Electromagnetic flowmeter and method incorporating the same

#105
20110239781
2011-10-06

Open Channel Meter for Measuring Velocity

#106
20110112773
2011-05-12

MEASURING PROPERTIES OF STRATIFIED OR ANNULAR LIQUID FLOWS IN A GAS-LIQUID MIXTURE USING DIFFERENTIAL PRESSURE

#107
20110030469
2011-02-10

Measurement apparatus for mass flow detection of harvested crops

#108
20110000309
2011-01-06

APPARATUS FOR MEASURING PARAMETERS OF FLUID FLOW

#109
20100305881
2010-12-02

Gas pressure determination in a gas/liquid flow

#110
20100299088
2010-11-25

Ultrasonic clamp-on multiphase flowmeter

#111
20100191482
2010-07-29

Microfluidic flow monitoring

#112
20100132479
2010-06-03

Magnetic-inductive flowmeter

#113
20100128569
2010-05-27

Distance measurement apparatus and related methods

#114
20100122582
2010-05-20

Method for operating a flowmeter

#115
20100060512
2010-03-11

Level sensing device

#116
20090229375
2009-09-17

Flow rate determination of a gas-liquid fluid mixture

#117
20080223146
2008-09-18

Method and apparatus for investigating a gas-liquid mixture

#118
20080148810
2008-06-26

Device For Determining the Level of a Fluid

#119
20070282539
2007-12-06

Fluid motion and composition analysis device and method

#120
20070253774
2007-11-01

Control gates

#121
20070165488
2007-07-19

Method and apparatus for spread spectrum distance and velocity profile measurement

#122
20060116829
2006-06-01

Flow transport analysis method and system

#123
20060083592
2006-04-20

Control gates

#124
20060075829
2006-04-13

System and method of measuring fluid flow

#125
20060056915
2006-03-16

Flow measurement and control

#126
20060033629
2006-02-16

Over flow sensor

#127
20060005611
2006-01-12

Ultrasonic measurement of the running time and quantity for detecting the concentration of particles in a flowing fluid

#128
20050223792
2005-10-13

Portable apparatus and method for measuring hydraulic features in rivers and streams

#129
20050177323
2005-08-11

Process for the assessment of gravity-type collection networks

#130
20050114046
2005-05-26

Method and apparatus for combined measurements of concentration, distribution and flow velocity of suspended solids

#131
20050018882
2005-01-27

Controlled surface wave image velocimetry

#132
16265979
2019-05-28

Device for observing abyssal flow change based on differential pressure measurement