ClassID:

165153

G01F3/22 - CPC Classification

Classification description:

Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having flexible movable walls, e.g. diaphragms, bellows for gases

Sub-classes:
Recent Application in this class:
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GAS APPLIANCE FAILURE DIAGNOSIS SYSTEM

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Method and system for timely detecting gas pressure irregularities using a gas meter in a power efficient manner

#4
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Method for regulating inert gas flow, method for preparing monocrystalline silicon, and monocrystalline silicon

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2019-01-24

Flow measurement device

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2019-01-03

Flow rate measurement device

#7
20180374166
2018-12-27

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2018-12-20

Processing chamber gas detection system and operation method thereof

#9
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Gas meter system and heating value estimation method

#10
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2018-04-26

Gas meter system and heating value derivation method

#11
20180106653
2018-04-19

MONITORING SYSTEM FOR A CENTRAL VACUUM ASSEMBLY

#12
20180100831
2018-04-12

Heating value derivation device and heating value derivation method

#13
20150323364
2015-11-12

Fluid meter device

#14
20150153211
2015-06-04

Fluid meter device

#15
20150128721
2015-05-14

Fluid instrument information providing device

#16
20140236378
2014-08-21

Energy management system, gas meter, and energy management apparatus

#17
20130312513
2013-11-28

FLOW METER DEVICE

#18
20130269429
2013-10-17

GAS METER APPARATUS

#19
20130199290
2013-08-08

Gas meter

#20
20110155268
2011-06-30

GAS CUTOFF DEVICE

#21
20110066387
2011-03-17

APPLIANCE MONITORING APPARATUS