ClassID:

165392

G01F25/0015 - CPC Classification

Classification description:

Recent Application in this class:
#1
20190376832
2019-12-12

Method for verifying a flowmeter and device for the implementation thereof

#2
20190186967
2019-06-20

Multi-fluid calibration

#3
20190003875
2019-01-03

METHOD FOR REYNOLDS NUMBER CORRECTION OF A FLOW MEASUREMENT OF A CORIOLIS FLOW MEASURING DEVICE

#4
20180328778
2018-11-15

Sealing arrangement of a poppet valve in a prover

#5
20180306624
2018-10-25

Piston test instrument for calibration and/or gauging of a flow meter and/or for determining a flow rate of a measured medium

#6
20180299320
2018-10-18

Small flow capacity displacement prover for proving flow meter with large flow capacity

#7
20180017429
2018-01-18

Coaxial linear drive-end for small volume prover

#8
20170356788
2017-12-14

Systems and methods to obtain diagnostic information related to a bi-directional prover

#9
20160221024
2016-08-04

Application system and corresponding application method

#10
20150308882
2015-10-29

Piston prover

#11
20150052968
2015-02-26

LOW TEMPERATURE PROVER AND METHOD

#12
20150027197
2015-01-29

Method and apparatus for a bidirectional meter proving system

#13
20150007635
2015-01-08

Method for diagnosing internal fault of oil-immersed transformer through content ratios of dissolved gases

#14
20140331738
2014-11-13

Optical switch system for a prover

#15
20140318238
2014-10-30

Leak sensor for a prover

#16
20140137628
2014-05-22

Method and apparatus for a bidirectional meter proving system

#17
20130291619
2013-11-07

Method and apparatus for a bidirectional meter proving system

#18
20130152972
2013-06-20

Self-flushing small volume prover apparatus, method and system

#19
20130133416
2013-05-30

MEASURING DEVICE

#20
20130104621
2013-05-02

Piston prover apparatus, method and system

#21
20130091923
2013-04-18

Piston prover

#22
20130073242
2013-03-21

SMALL VOLUME PROVER APPARATUS AND METHOD FOR MEASURING FLOW RATE

#23
20120260717
2012-10-18

Small volume prover apparatus and method for providing variable volume calibration

#24
20120216595
2012-08-30

Framework enveloping a prover

#25
20120216594
2012-08-30

Framework with stanchions for a prover

#26
20120186323
2012-07-26

Apparatus and method for determining displacer position in a flowmeter prover

#27
20120024037
2012-02-02

COMPACT PROVERS

#28
20110130997
2011-06-02

FLOW METER PROVING METHOD AND SYSTEM

#29
20110036178
2011-02-17

Apparatus and method for proving at low temperatures

#30
20100241387
2010-09-23

Prover self testing and validation apparatus

#31
20100154506
2010-06-24

Method for mounting a prover

#32
20100116019
2010-05-13

Framework for a prover

#33
20090293582
2009-12-03

Method and apparatus for a bidirectional meter proving system

#34
20090178461
2009-07-16

Unidirectional captive displacement prover

#35
20090044596
2009-02-19

FLOW CALIBRATOR

#36
20080302986
2008-12-11

METHOD AND APPARATUS FOR INJECTING ADDITIVES AND FOR SAFELY CALIBRATING ACCURACY OF A FLOW METER IN A CLOSED SYSTEM

#37
20080006095
2008-01-10

Flow measuring apparatus including a piston movable in the flow barrel

#38
20070234778
2007-10-11

Flow meter calibration apparatus and method

#39
20070169537
2007-07-26

Flowmeter/prover system and method

#40
20070119227
2007-05-31

Reference volume tube

#41
20060272426
2006-12-07

Electromagnetic flow sensing apparatus and method

#42
20060157193
2006-07-20

Seamless pipeline sphere and method of manufacture

#43
20050217346
2005-10-06

Flow measurement calibration