Patents-Review.com
ClassID:

165032 ⎘

G01F1/22 - 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 mechanical effects by detection of dynamic effects of the flow by variable-area meters, e.g. rotameters

Sub-classes:
Recent Application in this class:
#1
20230184570
2023-06-15

Flow gauge and flow gauge scale assembly

 #2
20230003122
2023-01-05

Crude oil parameter detection device

 #3
20220034693
2022-02-03

Flow sensor devices and systems

 #4
20210239499
2021-08-05

DEVICE FOR INDICATING AND/OR CHECKING FLUIDS

 #5
20200292369
2020-09-17

Liquid flow indicator device and method of use

 #6
20190101936
2019-04-04

Flow sensor devices and systems

 #7
20180372519
2018-12-27

Taper pipe-shaped area flow meter using magnetostrictive distance measurement

 #8
20180339279
2018-11-29

Nitrous oxide gas mixer for generating a nitrous oxide gas mix

 #9
20180306614
2018-10-25

Diaphragm displacement flowmeter

 #10
20180128661
2018-05-10

Flow measurement apparatus and method of use

 #11
20180017423
2018-01-18

Flow sensor

 #12
20170361363
2017-12-21

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

 #13
20170322058
2017-11-09

Gas flowmeter

 #14
20170219394
2017-08-03

Integrated flow control valve with flowrate feedback

 #15
20170165440
2017-06-15

Integrated, extendable anesthesia system

 #16
20170060142
2017-03-02

Fluid fitting with integrated fluid management device

 #17
20160310918
2016-10-27

Nitrous oxide gas mixer for generating a nitrous oxide gas mix

 #18
20160195414
2016-07-07

Rotameter with integrated valve

 #19
20150377689
2015-12-31

Grain mass flow estimation

 #20
20150198287
2015-07-16

Flow regulator for nitrogen purging, system and method

 #21
20150107507
2015-04-23

Light enhanced flow tube

 #22
20140283830
2014-09-25

Flowmeter

 #23
20140157886
2014-06-12

Device for determining the flow rate according to the float principle

 #24
20140123769
2014-05-08

Method for determining the flow rate according to the plummet principle and corresponding device

 #25
20140123752
2014-05-08

Flow meter regulation valve fastening structure

 #26
20120260692
2012-10-18

Water flow measurement device

 #27
20110308645
2011-12-22

Flow cell assembly for fluid sensors

 #28
20110088694
2011-04-21

Integrated, extendable anesthesia system

 #29
20110088485
2011-04-21

Light enhanced flow tube

 #30
20110088203
2011-04-21

Air flow sensing unit and cleaning apparatus having the same

 #31
20110083515
2011-04-14

Flow measuring apparatus including a deflectable membrane applied to a constriction

 #32
20100263455
2010-10-21

Fluid flow detector having a mobile body moving between a detection channel and a discharge channel

 #33
20100071478
2010-03-25

Fluid flow detector

 #34
20090188308
2009-07-30

Apparatus and method for testing fuel flow

 #35
20080251003
2008-10-16

ILLUMINATED GAS FLOW TUBE AND PRESSURE GAUGE

 #36
20080028869
2008-02-07

FLOW INDICATOR AND APPARATUS FOR MONITORING PARTICLES IN AIR

 #37
20070284550
2007-12-13

VARIABLE AREA FLOW RATE METER USING OPTICAL SENSING OF FLOAT POSITION IN THE DUCT

 #38
20070251330
2007-11-01

Flowmeter

 #39
20070245824
2007-10-25

Liquid monitoring apparatus and method of using same for containers

 #40
20070240520
2007-10-18

FLOW INDICATOR AND APPARATUS FOR MONITORING PARTICLES IN AIR

 #41
20070240503
2007-10-18

FLOW INDICATOR AND APPARATUS FOR MONITORING PARTICLES IN AIR

 #42
20070219532
2007-09-20

Pump system for negative pressure wound therapy

 #43
20070199388
2007-08-30

Floating body flowmeter

 #44
20070044578
2007-03-01

SAMPLING DEVICE

 #45
20060266133
2006-11-30

Flow indicator and apparatus for monitoring particles in air

 #46
20060254368
2006-11-16

Flowmeter having a float and a displacement sensor

 #47
20060248962
2006-11-09

Precision variable area flowmeter apparatus

 #48
20050248465
2005-11-10

Water leak alarm and method

 #49
20050218054
2005-10-06

Apparatus for producing sterilized water

 #50
20050044964
2005-03-03

Variable area flow meter

 #51
20050022610
2005-02-03

Fluoropolymer flowmeter

 #52
16806372
2020-08-25

Mass flow meter

 #53
15689175
2019-01-29

Pulsation damping for damping pulsations upstream of a gas flow meter