ClassID:

165401

G01F25/0084 - CPC Classification

Classification description:

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

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

Method for Measuring Dispensing Amount of Dispenser

#2
20250290603
2025-09-18

APPARATUS AND METHOD FOR DETERMINING AN AMOUNT OF COMPRESSED GAS

#3
20240183702
2024-06-06

MASS FLOW CONTROL DEVICE AND ZERO POINT CALIBRATION METHOD FOR THE SAME

#4
20240085231
2024-03-14

GAS VOLUME MEASUREMENT APPARATUS

#5
20220349743
2022-11-03

Systems and methods for gas pycnometer and gas adsorption analyzer calibration

#6
20220236097
2022-07-28

Method and Device for Measuring Fuel Tank, and Server

#7
20220221320
2022-07-14

Method and device for measuring minute volume of liquid

#8
20220118445
2022-04-21

Liquid evaluation

#9
20220097515
2022-03-31

Vehicle fuel volume estimation systems and methods

#10
20200355539
2020-11-12

Devices and methods for measurement of liquid volumes

#11
20200300688
2020-09-24

Self-calibrating base station for offset measurements

#12
20200048564
2020-02-13

METHOD FOR SEPARATING BASIC-SEDIMENT AND WATER FROM OIL IN A CRUDE-OIL SAMPLE

#13
20200041325
2020-02-06

DEVICES AND METHODS FOR MEASUREMENT OF LIQUID VOLUMES

#14
20200003600
2020-01-02

System and method for acoustic container volume calibration

#15
20190343300
2019-11-14

SERVING SYSTEM AND SENSOR DEVICE FOR PICK-AND-MIX SALES

#16
20190335168
2019-10-31

Volume dimensioning system calibration systems and methods

#17
20190247579
2019-08-15

Testing assemblies and testing methods for drug delivery devices

#18
20190242743
2019-08-08

Tilt and distance profiling vehicle

#19
20190242742
2019-08-08

Self-calibrating base station for offset measurements

#20
20190234787
2019-08-01

Short aspiration detection in a clinical analyzer

#21
20190219533
2019-07-18

Monitoring sensor for metered amounts of powder

#22
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

#23
20190136779
2019-05-09

Apparatus for improving engine performance

#24
20190049285
2019-02-14

Method to calibrate disposable cartridge cuvette thickness in-situ

#25
20190033120
2019-01-31

Liquid volumetric measurement device

#26
20190019306
2019-01-17

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

#27
20190011304
2019-01-10

System and method for acoustic container volume calibration

#28
20180372524
2018-12-27

System, device and method for monitoring the liquid volume in a hydration pack

#29
20180274962
2018-09-27

INJECTION DEVICE FOR LIQUID

#30
20180165824
2018-06-14

Calibrating a dimensioner using ratios of measurable parameters of optic ally-perceptible geometric elements

#31
20180106659
2018-04-19

AUTOMATED VOLUMETRIC MEASUREMENT AND VERIFICATION SYSTEM

#32
20180066938
2018-03-08

Measurement method and measurement device

#33
20180052027
2018-02-22

Mobile dimensioner apparatus to mitigate unfair charging practices in commerce

#34
20170299420
2017-10-19

Flow rate verification unit

#35
20170089754
2017-03-30

Calibration device and calibration method

#36
20170087546
2017-03-30

Dispensed liquid measurement device

#37
20170052052
2017-02-23

Module apparatus for garbage collection and operation method for module apparatus

#38
20170010141
2017-01-12

Mobile dimensioner apparatus for use in commerce

#39
20160370220
2016-12-22

Calibrating a volume dimensioner

#40
20160334257
2016-11-17

Method for operating a flowmeter and respective flowmeter

#41
20160252383
2016-09-01

Volumetric measurement vessel with sloped saddle-shaped bottom wall for outlet vortex prevention

#42
20160216149
2016-07-28

Method for manufacturing a tank with a calibrated sensor

#43
20160157704
2016-06-09

Real time detection of aspiration short shots using pressure signal

#44
20160054170
2016-02-25

Apparatus And Method For Volume And Mass Estimation Of A Multiphase Fluid Stored At Cryogenic Temperatures

#45
20150124054
2015-05-07

Yield measurement and base cutter height control systems for a harvester

#46
20140373596
2014-12-25

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

#47
20140345375
2014-11-27

Enhanced reference line tank calibration method and apparatus

#48
20140298885
2014-10-09

Gauging method for a plastic fuel tank of a hybrid vehicle

#49
20140256056
2014-09-11

Method to calibrate disposable cartridge cuvette thickness in-situ

#50
20140223992
2014-08-14

Apparatus and method for volume and mass estimation of a multiphase fluid stored at cryogenic temperatures

#51
20140150522
2014-06-05

Dispensed liquid measurement device

#52
20140137631
2014-05-22

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

#53
20140137629
2014-05-22

Nozzle adapter for volumetric test and measurement apparatus

#54
20140137625
2014-05-22

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

#55
20140049635
2014-02-20

Volume dimensioning system calibration systems and methods

#56
20140016129
2014-01-16

Vertical and horizontal beam hybrid pipette calibration system

#57
20130269414
2013-10-17

Method and apparatus for orienting a measuring device

#58
20120211518
2012-08-23

Dispense verification meters

#59
20120204986
2012-08-16

Water detection device

#60
20110224615
2011-09-15

Fluid Delivery Device with Autocalibration

#61
20100312177
2010-12-09

Fluid delivery device with autocalibration

#62
20100212397
2010-08-26

Method and apparatus for forming the calibration chart for the underground fuel tanks

#63
20090301167
2009-12-10

Water detection device

#64
20090251681
2009-10-08

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

#65
20090182276
2009-07-16

Fluid delivery device with autocalibration

#66
20090179044
2009-07-16

Fluid delivery device with autocalibration

#67
20090177160
2009-07-09

Fluid delivery device with autocalibration

#68
20090171502
2009-07-02

Dispense verification meters

#69
20080127725
2008-06-05

Temperature compensated pressure switch (TCPS)

#70
20080083263
2008-04-10

Process and arrangement for calibrating and/or equilibrating single-channel and multi-channel liquid handling devices

#71
20070251597
2007-11-01

Method for after-run amount regulation in filling units

#72
20070157723
2007-07-12

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

#73
20060220890
2006-10-05

Fluid-gauging systems

#74
20060137615
2006-06-29

Method for calibration of milk meters in a milking system

#75
20060009929
2006-01-12

In-service insulated tank certification

#76
20050235732
2005-10-27

Fluid delivery device with autocalibration

#77
13466731
2019-02-19

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