ClassID:

165253

G01F15/04 - CPC Classification

Classification description:

Details of, or accessories for, apparatus of groups - insofar as such details or appliances are not adapted to particular types of such apparatus; Compensating or correcting for variations in pressure, density or temperature of gases to be measured

Sub-classes:
Recent Application in this class:
#1
20240344865
2024-10-17

MEASURING THE FLOW RATE OF HYDROGEN IN A PIPE

#2
20230041777
2023-02-09

Gas meter and associated methods

#3
20220196451
2022-06-23

Detection of low gas pressure without pressure sensors

#4
20220146296
2022-05-12

Thermal gas flow meter that corrects fluid flow based on tendency of a detected flow value detected by a temperature sensor

#5
20220074774
2022-03-10

Physical quantity detection device

#6
20210270202
2021-09-02

Internal combustion engine control device

#7
20210247219
2021-08-12

Physical quantity detection device

#8
20200378814
2020-12-03

Gas meter and associated methods

#9
20190323871
2019-10-24

Thermal flowmeter

#10
20190154489
2019-05-23

Airflow management device including a slanted passage and a branching passage between two plates supported by pillars

#11
20190128721
2019-05-02

Using flameless combustion of fuel gas to generate power for a gas meter

#12
20190003993
2019-01-03

Operation method for flow sensor device

#13
20190003868
2019-01-03

Gas meter

#14
20180275697
2018-09-27

Method For Controlling A Conditioning Unit And Consumption Measuring Device Having Such A Conditioning Unit

#15
20180275689
2018-09-27

Mass flow controller

#16
20180274959
2018-09-27

Thermal flow meter

#17
20180252565
2018-09-06

Airflow meter

#18
20180252189
2018-09-06

Air inlet system

#19
20180245961
2018-08-30

Airflow measuring device

#20
20180231411
2018-08-16

Method for ascertaining a physical parameter of a gas

#21
20180164137
2018-06-14

Gas meter and associated methods

#22
20180112872
2018-04-26

Gas meter system and heating value derivation method

#23
20180080806
2018-03-22

Anesthesia apparatus or ventilator with a hot wire sensor, hot wire sensor and hot wire sensor module for a hot wire sensor

#24
20180052023
2018-02-22

Flow rate measurement device

#25
20180017422
2018-01-18

Thermal flow meter

#26
20170370752
2017-12-28

Thermal flow meter with a case having an external terminal for outputting an electric signal

#27
20170361363
2017-12-21

Systems and methods for monitoring and optimizing flare purge gas with a wireless rotameter

#28
20170356776
2017-12-14

Gas flow meter

#29
20170345776
2017-11-30

Thermal flow meter

#30
20170314980
2017-11-02

OPEN DYNAMIC FLUX CHAMBER

#31
20170205262
2017-07-20

Thermal flow meter

#32
20170176230
2017-06-22

Thermal flow meter with thin resin portion sealing temperature detection element

#33
20170023393
2017-01-26

Correction of natural gas flow calculations for the effects of water vapor

#34
20160239026
2016-08-18

Flow meter and flow control device provided therewith

#35
20160169727
2016-06-16

Method and ultrasound flow measurement unit for the determination of the COemission factor in flare gas plants

#36
20160139097
2016-05-19

Method for verifying correct function of sampling equipment

#37
20160084687
2016-03-24

Flow metering

#38
20150323364
2015-11-12

Fluid meter device

#39
20150187708
2015-07-02

Thermal flow meter

#40
20150177043
2015-06-25

Thermal flow meter

#41
20150177038
2015-06-25

Thermal flow meter including a protrusion protruding from a circuit package body and a temperature detection element buried in the protrusion

#42
20150160058
2015-06-11

Thermal flow meter with a circuit package having an air flow measurement circuit for measuring an air flow

#43
20150160054
2015-06-11

Thermal flow meter

#44
20150153211
2015-06-04

Fluid meter device

#45
20150135823
2015-05-21

Thermal flow meter with thin resin portion sealing temperature detection element

#46
20150122010
2015-05-07

Thermal flow meter with lead having a bent portion

#47
20150114098
2015-04-30

Airflow measuring device

#48
20150112628
2015-04-23

GAS FLOW METER PROGRAM OF CONSTRICTION DEVICE AND FLOW MEASUREMENT METHOD AND FLOW MEASUREMENT DEVICE USING SAME

#49
20130112781
2013-05-09

Thermally volume-neutral stroke transmitter, in particular for metering valve without hydraulic compensator

#50
20110137581
2011-06-09

Method and apparatus for enhancing in-situ gas flow measurement performance

#51
20110132105
2011-06-09

Method for measuring mass flow of a multi-component gas

#52
20100139390
2010-06-10

Thermal flow measuring apparatus including RTD sensor

#53
20090090177
2009-04-09

Thermal flow meter, thermal flow meter control method, and sensor element of thermal flow meter

#54
20080034889
2008-02-14

Method For Measuring Mass Flow Of A Multi-Component Gas

#55
20060144163
2006-07-06

Gas flow measuring device