ClassID:

165402

G01F25/0092 - CPC Classification

Classification description:

Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume for metering by volume

Recent Application in this class:
#1
20250327701
2025-10-23

Method for Measuring Dispensing Amount of Dispenser

#2
20250314521
2025-10-09

SYSTEM AND METHOD FOR CALIBRATING A FORMULA DISPENSER AND A FORMULA DISPENSER

#3
20250308870
2025-10-02

DROPLET DISPENSATION BY FLUID LEVEL AND ENERGY

#4
20250264353
2025-08-21

METHOD AND DEVICE FOR DISPENSE VOLUME EVALUATION

#5
20250012618
2025-01-09

Dynamic Calibration And Correction Of Stroke Volume Of A Pump

#6
20240210968
2024-06-27

Mixed fluid delivery system

#7
20240197984
2024-06-20

Method and system for shape-memory alloy wire control

#8
20230403970
2023-12-21

A Method of Calibrating a Meter Module Comprising an Auger

#9
20230384143
2023-11-30

Meter Calibration

#10
20230380336
2023-11-30

Metering Bank for an Air Cart

#11
20230380335
2023-11-30

Meter Module for Metering Product

#12
20230375394
2023-11-23

FLUID DISPENSER VOLUME CALIBRATION DEVICE

#13
20230314204
2023-10-05

Meter Test Bench Flow Stop Assembly

#14
20230314203
2023-10-05

METHODS, SYSTEMS, AND APPARATUSES FOR BULK MATERIAL METER CALIBRATION

#15
20230019383
2023-01-19

Container management device

#16
20220390268
2022-12-08

Method for operating a flowmeter and flowmeter

#17
20220261017
2022-08-18

Mixed fluid delivery system

#18
20220205228
2022-06-30

Smart reading device for water meter and controlling method thereof

#19
20220194827
2022-06-23

APPARATUS AND METHOD FOR DOSAGE AND ADMINISTRATION OF LIQUID CHEMICALS

#20
20210396936
2021-12-23

Control of epoxy dispensing into fiber optic connectors

#21
20210338104
2021-11-04

APPARATUS AND METHODS FOR CALIBRATING AND/OR VALIDATING PULMONARY FUNCTION TEST EQUIPMENT

#22
20210302217
2021-09-30

Intake arrangement for a roller mill, roller mill having such an intake arrangement and method for determining the ground material fill level of a storage container of a roller mill

#23
20210283329
2021-09-16

Method and system for shape-memory alloy wire control

#24
20210131851
2021-05-06

Container management device

#25
20210080307
2021-03-18

Systems and methods for deriving field prover base volume from master prover base volume

#26
20210078027
2021-03-18

Liquid-dispensing system, apparatus and method

#27
20210048330
2021-02-18

Apparatus, method and system for calibrating a liquid dispensing system

#28
20200363255
2020-11-19

Method and apparatus for calibrating remaining doses of product in a refillable dispenser

#29
20200355539
2020-11-12

Devices and methods for measurement of liquid volumes

#30
20200338585
2020-10-29

Systems and methods for closed loop fluid velocity control for jetting

#31
20200231474
2020-07-23

Apparatus and method for dosage and administration of liquid chemicals

#32
20200132536
2020-04-30

MASS FLOW CONTROLLER WITH ADVANCED BACK STREAMING DIAGNOSTICS

#33
20200116546
2020-04-16

CORRECTION FACTORS FOR FLUID DISPENSES

#34
20200081458
2020-03-12

Method of automatically controlling a volume of material dispensed in a constant pressure material dispensing system

#35
20200056912
2020-02-20

Delivery of chemicals

#36
20200049547
2020-02-13

Hybrid flow metrology for improved chamber matching

#37
20200041325
2020-02-06

DEVICES AND METHODS FOR MEASUREMENT OF LIQUID VOLUMES

#38
20200018445
2020-01-16

System and method for infrastructure and asset management

#39
20190376832
2019-12-12

Method for verifying a flowmeter and device for the implementation thereof

#40
20190219533
2019-07-18

Monitoring sensor for metered amounts of powder

#41
20190195677
2019-06-27

Calibration methods for multi-variety seed meters and related systems

#42
20190175066
2019-06-13

Apparatus and methods for calibrating and/or validating pulmonary function test equipment

#43
20190033120
2019-01-31

Liquid volumetric measurement device

#44
20190019306
2019-01-17

Measurement of syringe graduation marks using a vision system and related fundamental frequency processing

#45
20180283929
2018-10-04

Method for determining deviations in quantity in the case of a fluidic metering system

#46
20180283928
2018-10-04

Light-guiding element arrangement for optical drop detection

#47
20180274962
2018-09-27

INJECTION DEVICE FOR LIQUID

#48
20180259382
2018-09-13

Method for estimating a flow out of a fluid pump, associated calculation system and associated drilling installation

#49
20180106658
2018-04-19

On-tool mass flow controller diagnostic systems and methods

#50
20180104949
2018-04-19

Calibration method and calibration device for volume of ink droplet, printing apparatus

#51
20180100757
2018-04-12

Receiving vessel for the gravimetric calibration of pipettes

#52
20180073911
2018-03-15

Method of inspecting gas supply system, method of calibrating flow controller, and method of calibrating secondary reference device

#53
20180036755
2018-02-08

Liquid-dispensing system, apparatus and method

#54
20180031410
2018-02-01

Calibration unit and method for metering a dosage unit

#55
20180017460
2018-01-18

A SYSTEM AND METHOD FOR CALLIBRATING AND CONTROLLING PRESSURE

#56
20170336244
2017-11-23

Method and apparatus for calibrating remaining doses in a refillable dispenser

#57
20170307481
2017-10-26

Syringe assembly and method of using the same

#58
20170290976
2017-10-12

Method and system for shape-memory alloy wire control

#59
20170274689
2017-09-28

Method and apparatus for single particle deposition

#60
20170219393
2017-08-03

Vapor on demand systems and methods

#61
20170184441
2017-06-29

On-tool mass flow controller diagnostic systems and methods

#62
20170176237
2017-06-22

Apparatus, method and system for calibrating a liquid dispensing system

#63
20170159650
2017-06-08

Microdosing system

#64
20170115151
2017-04-27

Water meter and water supply management system using same

#65
20170087546
2017-03-30

Dispensed liquid measurement device

#66
20170083029
2017-03-23

Apparatus for the application of a liquid or viscous medium

#67
20170068257
2017-03-09

System, device, and method for fluid dispensing control

#68
20160370217
2016-12-22

Measuring vessel

#69
20160334257
2016-11-17

Method for operating a flowmeter and respective flowmeter

#70
20160273951
2016-09-22

Method for controlling pipetting operations

#71
20160175511
2016-06-23

Systems and methods for real time calibration of pump stroke volumes during a blood separation procedure

#72
20160161306
2016-06-09

System and method for analyzing product flow signal for an agricultural implement

#73
20160076322
2016-03-17

Discharge coefficient determination of a managed pressure drilling choke/valve

#74
20160059256
2016-03-03

Smart solenoid compound gun driver and automatic calibration method

#75
20150338262
2015-11-26

Radiometric measuring arrangement and method for detection of accretion formation in a radiometric measuring arrangement

#76
20150274329
2015-10-01

Systems, methods, apparatuses, and computer program products for providing interim volume verification of a fluid

#77
20150184996
2015-07-02

Calibration methods for a viscous fluid dispensing system

#78
20150114997
2015-04-30

Variable-volume dispenser for accurately dispensing of an adjusted amount of liquid

#79
20140373596
2014-12-25

Liquid transfer systems and methods of calibration thereof by performing air aspirations

#80
20140343875
2014-11-20

Metrology method for transient gas flow

#81
20140299675
2014-10-09

Smart solenoid compound gun driver and automatic calibration method

#82
20140150522
2014-06-05

Dispensed liquid measurement device

#83
20140137631
2014-05-22

Vapor elimination liquid proving system with top fill and bottom drain prover

#84
20140137629
2014-05-22

Nozzle adapter for volumetric test and measurement apparatus

#85
20140137625
2014-05-22

Vapor elimination liquid proving system with top or bottom fill and bottom drain prover

#86
20130291619
2013-11-07

Method and apparatus for a bidirectional meter proving system

#87
20130214217
2013-08-22

System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features

#88
20120312726
2012-12-13

METHOD AND DEVICE FOR CHECKING THE DELIVERY PERFORMANCE OF AT LEAST ONE DELIVERY MEANS OF A DEVICE FOR EXTRACORPOREAL BLOOD TREATMENT

#89
20120226461
2012-09-06

System and method for calibrating an agricultural product metering system

#90
20120210772
2012-08-23

Leakage tester for pipettes utilizing pressure

#91
20120047988
2012-03-01

METHOD, APPARATUS AND SYSTEM FOR ACCURATELY MEASURING AND CALIBRATING LIQUID COMPONENTS DISPENSED FROM A DISPENSER

#92
20120036943
2012-02-16

Method for manufacturing or testing metered-dose-ejection devices and testing apparatus therefore

#93
20120000296
2012-01-05

Sampling device and method

#94
20110300001
2011-12-08

Method and system for shape-memory alloy wire control

#95
20110056287
2011-03-10

Fluidic volume dispense verification tool

#96
20100276032
2010-11-04

Liquid crystal dispensing system

#97
20090293582
2009-12-03

Method and apparatus for a bidirectional meter proving system

#98
20090258563
2009-10-15

Liquid crystal dispensing system

#99
20090250664
2009-10-08

System and method for liquid delivery evaluation using solutions with multiple light absorbance spectral features

#100
20090158836
2009-06-25

Dispensing measurement device and method of measuring dispensing

#101
20090071242
2009-03-19

DISPENSING SYSTEM AND JUDGING METHOD OF DISCHARGE CONDITION THEREOF

#102
20090019835
2009-01-22

Fluid delivery system

#103
20080253934
2008-10-16

AUTOMATIC PRECISION NON-CONTACT OPEN-LOOP FLUID DISPENSING

#104
20080240542
2008-10-02

DROPLET DETECTION SYSTEM

#105
20080233009
2008-09-25

Fluidic volume dispense verification tool

#106
20080210668
2008-09-04

Apparatus and method for calibrating a laser deposition system

#107
20080110924
2008-05-15

Liquid supply apparatus and method of detecting fault thereof

#108
20080066523
2008-03-20

Device and method for calibrating a pipette or a dispensing system

#109
20080022765
2008-01-31

Flow meter with a metering device and a control unit

#110
20070251597
2007-11-01

Method for after-run amount regulation in filling units

#111
20070214863
2007-09-20

Calibrator for fuel pump

#112
20070157723
2007-07-12

Multiple differential volume tube measurement quantitative conveying device and its conveying method thereof

#113
20070141709
2007-06-21

Calibrating dispensing device performance for complex and/or non-aqueous liquids

#114
20070130965
2007-06-14

Measured fill water dispenser for refrigerator

#115
20060272387
2006-12-07

Apparatus and method for verifying the volume of liquid dispensed by a liquid-dispensing mechanism

#116
20060225483
2006-10-12

Dispenser volume determination method

#117
20060051242
2006-03-09

Measurement and calibration method for sample injection volume and mobile phase delivery rate in a ultra micro-scale liquid phase delivery system

#118
20050244303
2005-11-03

Device for aspirating and dispensing liquid samples

#119
20050230417
2005-10-20

System and method for testing beverage apparatus before shipment

#120
20050161469
2005-07-28

Fluid dispenser calibration system and method

#121
20050102112
2005-05-12

Method and system for determining and monitoring dispensing point flow rates and pump flow capacities using dispensing events and tank level data

#122
20050095723
2005-05-05

Automatic precision non-contact open-loop fluid dispensing

#123
20050062610
2005-03-24

Flow verification mechanism

#124
20050035146
2005-02-17

Procedure for channel adjustment of a multi-channel metering apparatus

#125
16874462
2023-05-23

Test system for rotary airlocks

#126
13466731
2019-02-19

Method and system for measuring and managing inventory of product in a collapsible tank