ClassID:

165174

G01F9/00 - CPC Classification

Classification description:

Measuring volume flow relative to another variable, e.g. of liquid fuel for an engine

Sub-classes:
Recent Application in this class:
#1
20250346374
2025-11-13

FLIGHT CONTROL METHODS FOR OPERATING CLOSE FORMATION FLIGHT

#2
20250137826
2025-05-01

Aircraft Fuel Quantity Indication System and Method

#3
20250127074
2025-04-24

Portable Seed Treatment System mounted with a Calibration Hopper and Inline Conveyors

#4
20230400338
2023-12-14

FUEL CALCULATION DEVICE, FUEL CALCULATION METHOD, AND PROGRAM

#5
20230108087
2023-04-06

METHODS AND SYSTEMS FOR INTELLIGENT METERING OF NATRURAL GAS

#6
20220196451
2022-06-23

Detection of low gas pressure without pressure sensors

#7
20220176382
2022-06-09

Monitoring system for milling facility

#8
20220163363
2022-05-26

Methods and systems for measuring energy of natural gas in a full cycle

#9
20210355932
2021-11-18

Analysis method of absolute energy efficiency and relative energy efficiency of compressed air system

#10
20210353248
2021-11-18

Method and apparatus for diagnosing urinary disturbances by simultaneously measuring urinary flow rate and residual urine

#11
20210181005
2021-06-17

Augmented flowmeter with a system for simulating fluid parameters

#12
20210181004
2021-06-17

Method for determining individual fuel consumption characteristics of different generator units of a generating assembly

#13
20210142886
2021-05-13

ASSESSMENT OF CORONARY FUNCTION VIA ADVANCED 3D PRINTED MODELS

#14
20200370456
2020-11-26

Systems and methods for determining exhaust flow rate

#15
20200232315
2020-07-23

Systems and methods for measuring the positions of fluids in a well

#16
20200116592
2020-04-16

Speed optimality analysis for evaluating the optimality of a powertrain

#17
20190322283
2019-10-24

System and method for measuring and reducing vehicle fuel waste

#18
20190247105
2019-08-15

RESIDUAL FLUID MEASUREMENT SYSTEM AND METHOD

#19
20190239484
2019-08-08

DAIRY COWSHED MONITORING SYSTEM AND METHOD THEREOF

#20
20190072453
2019-03-07

Device and process for determining the size of a leak hole in a sample

#21
20180372057
2018-12-27

Speed optimality analysis for evaluating the optimality of a powertrain

#22
20180356275
2018-12-13

Calibration apparatus and sensitivity determining module for virtual flow meter and associated methods

#23
20180348013
2018-12-06

Environmental monitoring systems, methods and media

#24
20180259382
2018-09-13

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

#25
20180245902
2018-08-30

Control system

#26
20180238495
2018-08-23

Remote contents monitoring

#27
20180224312
2018-08-09

Remote monitoring of fuel consumption with repeated fuel consumption measurements stored in a removable memory device

#28
20180134302
2018-05-17

System and method for measuring and reducing vehicle fuel waste

#29
20180094958
2018-04-05

System and method for monitoring fluid flow in a conduit

#30
20180013959
2018-01-11

Method for turbine component qualification

#31
20170269612
2017-09-21

FLIGHT CONTROL METHODS FOR OPERATING CLOSE FORMATION FLIGHT

#32
20170241383
2017-08-24

Mass airflow sensor signal processing method

#33
20170234711
2017-08-17

Machine system having fuel consumption monitoring

#34
20170210637
2017-07-27

Locally Powered Water Distillation System

#35
20170175467
2017-06-22

Method for detecting gain or loss of drilling fluid in a drilling installation associated calculation system and associated drilling installation

#36
20170167372
2017-06-15

Flow rate measurement device, fuel efficiency measurement device, program for flow rate measurement device and flow rate measurement method

#37
20170160118
2017-06-08

Systems and methods for alternative fuel life-cycle tracking and validation

#38
20170152776
2017-06-01

Method of real-time oil consumption detection

#39
20170113267
2017-04-27

Monitoring of a line system

#40
20170067769
2017-03-09

Device and method for measuring engine flow and monitoring air filter performance

#41
20170038238
2017-02-09

Methods and systems for direct fuel quantity measurement

#42
20160362114
2016-12-15

System and method for measuring and reducing vehicle fuel waste

#43
20160335779
2016-11-17

Methods and systems for characterizing fluids from a patient

#44
20160252381
2016-09-01

Fuel waste variable identification and analysis system

#45
20160117907
2016-04-28

Device for detecting blockage of air filter mesh

#46
20160082186
2016-03-24

Methods and devices for determination of flow reservoir volume

#47
20160003657
2016-01-07

MEASUREMENT IMPLEMENT, MEASURING SYSTEM AND MEASURING METHOD

#48
20150292923
2015-10-15

Method to determine or monitor the amount or the distribution of additional material present in a flow of a flowable substance

#49
20150149069
2015-05-28

Drive-pattern evaluation device and drive-pattern evaluation method

#50
20150122001
2015-05-07

DEVICE FOR CALCULATING AMOUNT OF REDUCED FUEL CONSUMPTION, AND PROGRAM FOR DISPLAYING CALCULATION, AS WELL AS DEVICE FOR CALCULATING AMOUNT OF REDUCED CO2 EXHAUST, AND PROGRAM FOR DISPLAYING CALCULATION

#51
20150101402
2015-04-16

Flow rate measuring apparatus

#52
20150082876
2015-03-26

EXCAVATOR SELF-DETECTION SYSTEM AND METHOD

#53
20150081199
2015-03-19

System and method for measuring and reducing vehicle fuel waste

#54
20140373603
2014-12-25

Reducing false alarms with multi-modal sensing for pipeline blockage

#55
20140345373
2014-11-27

Fuel consumption measuring instrument

#56
20140338540
2014-11-20

Exhaust gas flowmeter and exhaust gas analyzing system

#57
20140330529
2014-11-06

IDENTIFICATION OF FLUID FLOW BOTTLENECKS

#58
20140283719
2014-09-25

System and method for measuring product flow to an agricultural implement

#59
20140214312
2014-07-31

Information processing system and information processing device

#60
20140208833
2014-07-31

Flow sensor

#61
20140123743
2014-05-08

Fuel Usage Meter

#62
20140074390
2014-03-13

Accurate range calculation for vehicles, computed outside of the vehicle

#63
20140058635
2014-02-27

Display unit of work machine and work machine mounted with the display unit

#64
20130327427
2013-12-12

Hydraulic oil tank for construction machine

#65
20130316293
2013-11-28

FLOW METER DEVICE

#66
20130261812
2013-10-03

APPARATUS AND METHODS FOR MONITORING A HOT WATER TANK OF A HOT WATER HEATING SYSTEM TO IMPROVE ITS ENERGY EFFICIENCY

#67
20130061789
2013-03-14

System and method for measuring product flow to an agricultural implement

#68
20120192641
2012-08-02

Identification of fluid flow bottlenecks

#69
20120143449
2012-06-07

System and method for measuring and reducing vehicle fuel waste

#70
20120109579
2012-05-03

Method of testing and proving fuel efficiency improvements

#71
20100318278
2010-12-16

Engine valve lift control systems and methods for reduced fuel consumption

#72
20090314063
2009-12-24

Method and apparatus for detecting access recirculation

#73
20090171261
2009-07-02

Method and apparatus for calculating fluid flow rate

#74
20090056430
2009-03-05

Weak refuel detection system and method for virtual flex fuel sensor system

#75
20080312862
2008-12-18

METHOD AND SYSTEM FOR DETERMINING A FUEL USAGE OF A FIRST VEHICLE AND A COMPARATOR VEHICLE

#76
20080272237
2008-11-06

Aircraft auxiliary fuel tank system and method

#77
20080173084
2008-07-24

Method and device for continuous measuring of dynamic fluid consumption, including pressure regulator

#78
20080133181
2008-06-05

Locally powered water distillation system

#79
20080105532
2008-05-08

Liquid pumps with hermetically sealed motor rotors

#80
20070262855
2007-11-15

Measuring system and method

#81
20070240499
2007-10-18

Filtration tester

#82
20060287841
2006-12-21

Construction machinery

#83
20060277982
2006-12-14

Method for continuous measurement of dynamic fluid consumption

#84
20060207316
2006-09-21

Filtration tester

#85
20050066576
2005-03-31

Fuel additive dispensation method and apparatus

#86
16926133
2023-12-05

Automated vehicle ownership support