Y10T137/2529 - CPC Classification Index

ClassID:

248556 ⎘

Y10T137/2529 - CPC Classification

Classification description:

Fluid handling; Self-proportioning or correlating systems; Self-proportioning flow systems; Flow comparison or differential response With electrical controller

Recent Application in this class:

20200132211

2020-04-30

Fluid device

20160179109

2016-06-23

Mixing valve

20160115407

2016-04-28

System and method for injecting liquid odorant into a natural gas pipeline

20150176611

2015-06-25

Load sensing electric-proportional multi-way valve

20150173647

2015-06-25

Method and apparatus for monitoring and controlling a pressure support device

20150158739

2015-06-11

Fluid flow management through a wastewater level manipulation system and associated methods

20150059859

2015-03-05

Apparatus for dividing and supplying gas and method for dividing and supplying gas

20140069516

2014-03-13

Household electronic mixing-valve device

20130233401

2013-09-12

N-channel flow ratio controller calibration

#10

20130085618

2013-04-04

Method of and apparatus for multiple channel flow ratio controller system

#11

20120222994

2012-09-06

Fluid flow management system and associated methods

#12

20120174990

2012-07-12

FLOW RATE RATIO CONTROLLING APPARATUS

#13

20120167465

2012-07-05

Self-optimizing odorant injection system

#14

20120080095

2012-04-05

VALVE SYSTEM

#15

20110277847

2011-11-17

Flow control method for multizone gas distribution

#16

20110253225

2011-10-20

Method for controlling a gas flow between a plurality of gas streams

#17

20110232768

2011-09-29

Slurry catalyst flow splitters and methods of using the same

#18

20110203678

2011-08-25

Multi-position micro-fluidic valve system

#19

20110178628

2011-07-21

N-channel flow ratio controller calibration

#20

20110094596

2011-04-28

Device and method for supplying gas while dividing to chamber from gas supplying facility equipped with flow controller

#21

20110088787

2011-04-21

Slurry catalyst flow splitters and methods of using the same

#22

20110023968

2011-02-03

Liquid vacuum chemical feeder system

#23

20100269924

2010-10-28

FLOW RATE RATIO CONTROLLING APPARATUS

#24

20100263736

2010-10-21

DEVICE FOR INJECTING AN ADDITIVE INTO A PIPE

#25

20100170574

2010-07-08

GAS MIXING PUMP WITH VARIABLE INJECTION SECTION

#26

20090242035

2009-10-01

Self optimizing odorant injection system

#27

20090231949

2009-09-17

Water control apparatus

#28

20090178714

2009-07-16

FLOW CONTROL SYSTEM AND METHOD FOR MULTIZONE GAS DISTRIBUTION

#29

20080314452

2008-12-25

Systems and methods for supplying and/or dispensing fluid

#30

20080277000

2008-11-13

Valve system

#31

20080129364

2008-06-05

Dead band reduction in electronically controlled valves

#32

20080099714

2008-05-01

Valve, circuit module and method providing integrated electronics in an electronically controlled valve and electronic assemblies

#33

20080099706

2008-05-01

Variable frequency and amplitude dither for electronically controlled valves

#34

20080099705

2008-05-01

Retaining element for a mechanical component

#35

20080099090

2008-05-01

Valve, controller, system and method providing closed loop current control of a voice coil using pulse width modulation drive elements

#36

20080099087

2008-05-01

Equalization of pressure in an electronically controlled valve

#37

20080099069

2008-05-01

Method, controller and system providing techniques for control of an air loaded regulator and cascaded control loops

#38

20080092957

2008-04-24

Water control apparatus

#39

20080023073

2008-01-31

High pressure transducer

#40

20060289363

2006-12-28

Chemical feeder system and method

#41

20060263283

2006-11-23

System for blending and compressing gases