ClassID:

165088

G01F1/688 - 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

Sub-classes:
Recent Application in this class:
#1
20260139981
2026-05-21

APPARATUS FOR MEASURING FLOW RATE OF VENTING GAS IN A SECONDARY BATTERY CELL AND MEASURING METHOD USING THE SAME

#2
20260036454
2026-02-05

PACKAGING FOR A SENSOR AND METHODS OF MANUFACTURING THEREOF

#3
20250123132
2025-04-17

FLUID VELOCITY SENSOR UNIT AND/OR FLUID VOLUME FLOW RATE SENSOR UNIT AND DETERMINATION METHOD

#4
20240255332
2024-08-01

COMPACT FLUID FLOW SENSOR

#5
20240230386
2024-07-11

SELF-CLEANING THERMAL CONDUCTIVITY SENSOR FOR USE IN A MUD PIT

#6
20240183699
2024-06-06

Air Mass Sensor

#7
20240133725
2024-04-25

Self-cleaning thermal conductivity sensor for use in a mud pit

#8
20240044684
2024-02-08

DEVICE FOR MEASURING RATE OF BODY FLUID FLOW THROUGH A TUBE

#9
20240001047
2024-01-04

INFUSION LIQUID HEATING AND FLOW-VELOCITY-MONITORING SYSTEM FOR CLINICAL USE

#10
20230319971
2023-10-05

METHODS OF MANUFACTURING PLASMA GENERATING CELLS FOR A PLASMA SOURCE

#11
20230314197
2023-10-05

PACKAGING FOR A SENSOR AND METHODS OF MANUFACTURING THEREOF

#12
20230314193
2023-10-05

PACKAGING FOR A SENSOR AND METHODS OF MANUFACTURING THEREOF

#13
20230313376
2023-10-05

PACKAGING FOR A SENSOR AND METHODS OF MANUFACTURING THEREOF

#14
20230107330
2023-04-06

Air data probe with enhanced conduction integrated heater bore and features

#15
20230106016
2023-04-06

Air data probe with integrated heater bore and features

#16
20220283198
2022-09-08

Gel and polymer based flow meters

#17
20220214196
2022-07-07

Air flow rate meter

#18
20220187113
2022-06-16

Microneedle probe for measuring sap flow of plant, and sap flow measuring device having same

#19
20220136881
2022-05-05

SMART DEVICE FOR FUEL CYLINDER

#20
20220074375
2022-03-10

Physical quantity detection device

#21
20220042837
2022-02-10

Flow sensor for sensor network in controlled environment agriculture

#22
20210372832
2021-12-02

DETECTING FLUID FLOW

#23
20210356305
2021-11-18

Flow control module with a thermal mass flow meter

#24
20210310840
2021-10-07

THERMAL MASS FLUID FLOW SENSOR

#25
20210247219
2021-08-12

Physical quantity detection device

#26
20210239500
2021-08-05

Physical-quantity detection device

#27
20210172780
2021-06-10

FLOWMETER

#28
20210172775
2021-06-10

Nanowires integration for real-time compensation

#29
20210063217
2021-03-04

Air flow measurement apparatus

#30
20210010986
2021-01-14

PAPERLESS RECORDING PASTEURIZATION CONTROL SYSTEM

#31
20200370941
2020-11-26

Physical quantity measurement device

#32
20200370937
2020-11-26

PHYSICAL QUANTITY MEASUREMENT DEVICE

#33
20200363252
2020-11-19

Physical quantity measurement device for fluid with narrowed flow path

#34
20200363250
2020-11-19

Physical quantity measurement device having inlet with inclined ceiling

#35
20200363248
2020-11-19

Physical quantity measurement device

#36
20200284631
2020-09-10

High flow tubular bypass

#37
20200103264
2020-04-02

Process transmitter with thermal fluid detection for decreasing damage to the process transmitter components

#38
20190376827
2019-12-12

Sensor for a thermal, flow measuring device having sensor element spacing protrusions

#39
20190368765
2019-12-05

Adjustable thermal dispersion air flow rate meter

#40
20190339298
2019-11-07

Gel and polymer based flow meters

#41
20190310118
2019-10-10

Temperature sensing system and flow metering apparatus comprised thereof

#42
20190178693
2019-06-13

Thermal mass flow sensor, method for manufacturing the thermal mass flow sensor, and thermal mass flow meter using the thermal mass flow sensor

#43
20190137311
2019-05-09

Thermal flowmeter

#44
20190035751
2019-01-31

Measuring device

#45
20190033109
2019-01-31

Microneedle probe for measuring sap flow of plant, and sap flow measuring device having same

#46
20180372520
2018-12-27

Intake temperature detection device and maximum heat generating amount components mounted on a single circuit board

#47
20180306618
2018-10-25

Adhesive flow meter

#48
20180252565
2018-09-06

Airflow meter

#49
20180188087
2018-07-05

Sensor arrangement for determining at least one parameter of a fluid medium flowing through a channel structure

#50
20180156768
2018-06-07

PAPERLESS RECORDING PASTEURIZATION CONTROL SYSTEM

#51
20180058889
2018-03-01

Nanowires integration for real-time compensation

#52
20180038722
2018-02-08

Thermal flow-rate sensor

#53
20180027190
2018-01-25

INFRARED NON-DESTRUCTIVE EVALUATION OF COOLING HOLES USING EVAPORATIVE MEMBRANE

#54
20170184432
2017-06-29

FLOW SPEED MEASUREMENT METHOD AND FLOW SPEED MEASUREMENT SYSTEM

#55
20160327420
2016-11-10

Temperature sensing system and flow metering apparatus comprised thereof

#56
20160290849
2016-10-06

Measuring device and method for determining a corrected mass flow and uses of the measuring device

#57
20160245681
2016-08-25

MEMS thermal flow sensor with compensation for fluid composition

#58
20160238421
2016-08-18

Thermal type flow sensor

#59
20160202099
2016-07-14

Air mass flow meter

#60
20160195419
2016-07-07

Sensor with metal substrate and dielectric membrane for determining a process variable of a medium

#61
20160161314
2016-06-09

Flow sensor package

#62
20160054160
2016-02-25

Vacuum-cavity-insulated flow sensors

#63
20160033545
2016-02-04

Method of manufacturing an anemometer used for determining a fluid flow

#64
20160024673
2016-01-28

Nanowire structural element

#65
20150153209
2015-06-04

Thermal flow sensors having isolated membranes

#66
20150144543
2015-05-28

Flowmeter, dialysis machine and medicinal solution injection device

#67
20150136352
2015-05-21

Cooling circuit for fuel cell

#68
20150135817
2015-05-21

Methods and apparatus for determining downhole fluid parameters

#69
20150027221
2015-01-29

THERMAL FLOWMETER

#70
20150024232
2015-01-22

Nanowires and method for the production thereof

#71
20140298919
2014-10-09

Flow sensor with improved linear output

#72
20140251004
2014-09-11

METHOD AND SYSTEM FOR FLOW MEASUREMENT

#73
20140157887
2014-06-12

Miniaturized sensor comprising a heating element, and associated production method

#74
20140069205
2014-03-13

Flow rate measuring device

#75
20140069185
2014-03-13

Vacuum cavity-insulated flow sensors

#76
20130124112
2013-05-16

Anemometer detecting thermal time constant of sensor

#77
20130025364
2013-01-31

Appliance airflow detection using differential heating of electronic devices

#78
20130000398
2013-01-03

Electromagnetically heated thermal flowmeter for wellbore fluids

#79
20120210781
2012-08-23

Sensor system for measuring a velocity of a fluid including a heating element a resonant circuit and a transducer

#80
20120175524
2012-07-12

Sensing UV dosage of a fluid stream

#81
20120103425
2012-05-03

Flow Meter With Improved Thermal Stability And Methods Of Use

#82
20110308328
2011-12-22

Sensor for detecting bubbles in a liquid flowing through a flow path

#83
20110223412
2011-09-15

Nanowire structural element

#84
20110211994
2011-09-01

Nanowire structural element

#85
20110174069
2011-07-21

Nanowires and method for the production there of

#86
20110087447
2011-04-14

Fluid flow meter using thermal tracers

#87
20100228502
2010-09-09

System and method for monitoring fluid flow through an electrical submersible pump

#88
20100139390
2010-06-10

Thermal flow measuring apparatus including RTD sensor

#89
20090241660
2009-10-01

Thermal type flowmeter

#90
20090188314
2009-07-30

Flow sensor with metal film resistor

#91
20090109044
2009-04-30

Detecting apparatus for detecting operation of fan

#92
20080295590
2008-12-04

Thermal type flow meter and engine control system using the same

#93
20080295575
2008-12-04

Heating resistor-type gas flowmeter

#94
20080184790
2008-08-07

THERMAL MASS FLOW SENSOR HAVING LOW THERMAL RESISTANCE

#95
20080084205
2008-04-10

Concept for detecting a change of a physical quantity by means of a conductor structure

#96
20080047341
2008-02-28

Thermal gas flow and control device for internal-combustion engine using the same

#97
20080047339
2008-02-28

Electronic components packaging structure

#98
20080022766
2008-01-31

Heating resistor type flow measuring device housing structure having projection and recess for preventing mis-installation

#99
20070295083
2007-12-27

Flow detector element of thermosensible flow sensor

#100
20070295081
2007-12-27

Method and device for fluid flow parameters determination

#101
20070260412
2007-11-08

Attitude insensitive flow device system and method

#102
20070245822
2007-10-25

Flow meter and exhaust gas recirculation system using the same

#103
20070204688
2007-09-06

Interdigitated, full wheatstone bridge flow sensor transducer

#104
20060277990
2006-12-14

Heating resistor type flow measuring device

#105
20060191353
2006-08-31

Method for measurement of gas flow velocity, method for energy conversion using gas flow over solid material, and device therefor

#106
20060117844
2006-06-08

Measurement element for determining a flow rate

#107
20060009926
2006-01-12

Attitude insensitive flow device system and method

#108
20050284216
2005-12-29

Sensor equipment having sensing portion and method for manufacturing the same

#109
20050268455
2005-12-08

Method for fabricating a microscale anemometer

#110
20050109102
2005-05-26

Microscale out-of-plane anemometer

#111
19006672
2025-07-08

Simple airflow measurement method

#112
16365967
2022-04-05

Blood flow measurement apparatus and method