ClassID:

165116

G01F1/78 - 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 mass flow of a fluid or a fluent solid material Direct mass flowmeters

Sub-classes:
Recent Application in this class:
#1
20230213369
2023-07-06

MASS FLOW METERS/CONTROLLERS AND METHODS HAVING IMPROVED ACCURACY

#2
20230066926
2023-03-02

ULTRASONIC MASS FUEL FLOW METER

#3
20220034695
2022-02-03

Ultrasonic Mass Fuel Flow Meter

#4
20210396564
2021-12-23

Coriolis effect-based mass flow meters/controllers using optical sensing and methods having improved accuracy

#5
20210198988
2021-07-01

Autonomous optimization of single-well and multi-well gas lift

#6
20210164816
2021-06-03

Ultrasonic mass fuel flow meter

#7
20200306886
2020-10-01

Powder material mass flow rate measuring apparatus for additive manufacturing

#8
20200124452
2020-04-23

Vibronic measuring system for measuring a mass flow rate

#9
20200049542
2020-02-13

System and method for remote metering station sensor calibration and verification

#10
20190346300
2019-11-14

Thin film forming method

#11
20190271583
2019-09-05

System and method for correcting meter sizing

#12
20190234356
2019-08-01

Calibration-free mass airflow sensor

#13
20180082871
2018-03-22

Gas flow process control system and method using crystal microbalance(s)

#14
20180042177
2018-02-15

Combine harvester improvement

#15
20170241822
2017-08-24

Utility mass flow gas meter

#16
20170218828
2017-08-03

Determining an ammonia mass flow between two SCR catalytic converters

#17
20170167906
2017-06-15

Net oil and gas well test system

#18
20160341595
2016-11-24

Cold planer yield measurement system

#19
20150377690
2015-12-31

Calibration of grain mass measurement

#20
20150377689
2015-12-31

Grain mass flow estimation

#21
20150323361
2015-11-12

Method of, and apparatus for, regulating the mass flow rate of a gas

#22
20150276449
2015-10-01

Mass flow meter with self-diagnostic function and mass flow controller using the same

#23
20150253170
2015-09-10

Zero point drift compensating flowmeter

#24
20150107369
2015-04-23

Method of, and apparatus for, measuring the mass flow rate of a gas

#25
20150097048
2015-04-09

Aerosol generation for stable, low-concentration delivery

#26
20140373612
2014-12-25

Method for operating an air mass sensor

#27
20140137643
2014-05-22

Multiphase flow metering system

#28
20140137642
2014-05-22

Net oil and gas well test system

#29
20130340859
2013-12-26

Method of and apparatus for measuring the mass flow rate of a gas

#30
20120283950
2012-11-08

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

#31
20120195770
2012-08-02

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

#32
20110214512
2011-09-08

Fluidic systems and methods of determining properties of fluids flowing therein

#33
20110106452
2011-05-05

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

#34
20110079092
2011-04-07

Low-power force sensor

#35
20100150737
2010-06-17

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

#36
20090055104
2009-02-26

Velocity and impingement method for determining parameters of a particle/fluid flow

#37
20090049927
2009-02-26

Force balanced impeller flow meter for mass flow rate control

#38
20080067116
2008-03-20

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

#39
20060075830
2006-04-13

Apparatus for measuring volumetric or mass fluid flow

#40
19010684
2025-09-02

Micro flow measuring device and method based on mass method