ClassID:

165090

G01F1/6884 - 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 by using thermal effects; Structural arrangements; Mounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element making use of temperature dependence of optical properties

Recent Application in this class:
#1
20250251266
2025-08-07

Method for measuring flow velocity distribution of groundwater using distributed optical fiber with active heating

#2
20230358585
2023-11-09

System and Method for Determining at Least One Calculated Process Parameter of a Fluid in a Pipe

#3
20230041777
2023-02-09

Gas meter and associated methods

#4
20210223798
2021-07-22

Systems and methods for flow sensor back pressure adjustment for mass flow controller

#5
20210223797
2021-07-22

Systems and methods for flow sensor back pressure adjustment for mass flow controller

#6
20200408580
2020-12-31

Method for non-intrusively determining the temperature of a fluid flowing through a conduit portion

#7
20200378814
2020-12-03

Gas meter and associated methods

#8
20190293466
2019-09-26

Thermal flow measuring device including probe having probe core with hard solder

#9
20180246533
2018-08-30

Systems and methods for flow sensor back pressure adjustment for mass flow controller

#10
20180246531
2018-08-30

Systems and methods for flow sensor back pressure adjustment for mass flow controller

#11
20180164137
2018-06-14

Gas meter and associated methods

#12
20180148911
2018-05-31

Flood mitigation and pipe freeze prevention systems for use in a structure

#13
20170123103
2017-05-04

Fluid sensor cable assembly, system, and method

#14
20160022159
2016-01-28

Apparatus, system and methods for measuring a blood pressure gradient

#15
20150268078
2015-09-24

Method and system for detecting coking growth and maldistribution in refinery equipment

#16
20150177039
2015-06-25

Thermal Flow Meter

#17
20140326063
2014-11-06

Virtual flowmeter for a well

#18
20140294041
2014-10-02

Method and system for determining flow distribution through a component

#19
20140290335
2014-10-02

Distributed two dimensional fluid sensor

#20
20140249386
2014-09-04

Apparatus, system and methods for measuring a blood pressure gradient

#21
20140194757
2014-07-10

System for distributed blood flow measurement

#22
20130276549
2013-10-24

Method and apparatus for the measurement of flow in gas or oil pipes

#23
20130014577
2013-01-17

Sensor for measuring flow speed of a fluid

#24
20120279316
2012-11-08

Method and apparatus for the measurement of flow in gas or oil pipes

#25
20120186570
2012-07-26

Device generating exhaust gas, especially a boat, comprising a system for determining the volume of exhaust gas

#26
20120180548
2012-07-19

System for determining exhaust gas volume

#27
20120175524
2012-07-12

Sensing UV dosage of a fluid stream

#28
20110226469
2011-09-22

Virtual flowmeter for a well

#29
20100319450
2010-12-23

Method and apparatus to define the velocity of a flowing fluid

#30
20100250155
2010-09-30

Method for quantifying hole flow rates in film cooled parts

#31
20090173494
2009-07-09

SYSTEM AND METHOD TO INTERPRET DISTRIBUTED TEMPERATURE SENSOR DATA AND TO DETERMINE A FLOW RATE IN A WELL

#32
20090165551
2009-07-02

Flowmeter having at least two optical waveguides and one controlled electrical heating element for determining a flow direction

#33
20090107231
2009-04-30

Flowmeter for determining a flow direction

#34
20080291967
2008-11-27

Measuring apparatus

#35
20080210002
2008-09-04

Flow sensor with non-contact temperature detecting means

#36
20080065362
2008-03-13

Well completion modeling and management of well completion

#37
20070213963
2007-09-13

System And Method For Determining Flow Rates In A Well

#38
20070201794
2007-08-30

Active in-fiber optic components powered by in-fiber light

#39
20070158064
2007-07-12

Method of determining a fluid inflow profile of wellbore

#40
20070125163
2007-06-07

Method for monitoring fluid properties

#41
20060214098
2006-09-28

Fluid flow measurement using optical fibres

#42
20060117844
2006-06-08

Measurement element for determining a flow rate

#43
20060028650
2006-02-09

Optical sensing apparatus

#44
20050163424
2005-07-28

Active in-fiber optic components powered by in-fiber light

#45
20050149264
2005-07-07

System and Method to Interpret Distributed Temperature Sensor Data and to Determine a Flow Rate in a Well

#46
15919326
2019-12-31

Fiber-optic temperature and flow sensor system and methods

#47
13733364
2015-07-07

Cryogenic liquid level sensor apparatus and method