ClassID:

188442

G05D11/138 - CPC Classification

Classification description:

Ratio control; Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture by sensing the concentration of the mixture, e.g. measuring pH value

Recent Application in this class:
#1
20250290243
2025-09-18

PRESSURE COMPENSATED VENTURI DISPENSING SYSTEM

#2
20250258088
2025-08-14

CONCENTRATION MEASUREMENT DEVICE

#3
20250093890
2025-03-20

COMPOSITION MIXTURE CONTROL OF EFEM ENVIRONMENT

#4
20240419195
2024-12-19

SYSTEMS AND METHODS FOR PROVIDING HEAT TO ENCLOSURES DURING SEALING PROCESSES

#5
20240359147
2024-10-31

BLEACH DILUTION AND DELIVERY VEHICLE

#6
20240248498
2024-07-25

AUTONOMOUS CONCENTRATION CONTROL SYSTEMS AND METHODS OF CONTROLLING CONCENTRATION OF A GAS OR PARTICLE MIXTURE

#7
20240200255
2024-06-20

Pressure compensated Venturi dispensing system

#8
20240166540
2024-05-23

METHOD AND SYSTEM FOR TREATING INDUSTRIAL PROCESS FLUIDS

#9
20240133855
2024-04-25

Method and Apparatus for Automatically Maintaining a Desired Level of Oxygen in a Refuge

#10
20240061452
2024-02-22

CONTROL AND OPERATION OF BRINE MAKING SYSTEM

#11
20240051079
2024-02-15

CHEMICAL MECHANICAL POLISHING APPARATUS AND CHEMICAL MECHANICAL POLISHING SYSTEM USING THE SAME

#12
20230302483
2023-09-28

SYSTEM AND METHOD FOR APPLYING A WAX COATING TO A WORKPIECE DURING A STRAP-MANUFACTURING PROCESS

#13
20230279304
2023-09-07

CONTROLLED BLENDING OF TRANSMIX FRACTIONS INTO DEFINED HYDROCARBON STREAMS

#14
20230277993
2023-09-07

INSTALLATION AND METHOD FOR DISTRIBUTING A GAS MIXTURE

#15
20230031118
2023-02-02

METHOD AND APPARATUS FOR PULSE GAS DELIVERY WITH CONCENTRATION MEASUREMENT

#16
20230028319
2023-01-26

System and method for adjusting oxygen content in front opening unified pod

#17
20220299496
2022-09-22

MONITORING AND CONTROL OF SOIL CONDITIONS

#18
20220291702
2022-09-15

Optical emission spectroscopy control of gas flow in processing chambers

#19
20220162049
2022-05-26

Apparatus for filling a vessel with a filling product

#20
20220147072
2022-05-12

Concentration control system, concentration control method and program for a concentration control system

#21
20220100213
2022-03-31

Air-oxygen blender with periodic pressure venting

#22
20220066481
2022-03-03

Vaporization system and concentration control module used in the same

#23
20220032097
2022-02-03

Method and apparatus for automatically maintaining a desired level of oxygen in a refuge

#24
20210354667
2021-11-18

Liquid ejection device for a vehicle washing system and method for its operation

#25
20210348110
2021-11-11

Automated gas control hypoxic chamber for monitoring oxygen concentration

#26
20210318701
2021-10-14

Autonomous concentration control systems and methods of controlling concentration of a gas or particle mixture

#27
20210293141
2021-09-23

Chemical injection system for a resource extraction system

#28
20210215655
2021-07-15

Method and apparatus for pulse gas delivery with concentration measurement

#29
20210200250
2021-07-01

Systems and methods for automatic concentration control

#30
20210197150
2021-07-01

Scaleable inline buffer dilution scheme

#31
20210146323
2021-05-20

Production system for producing formulations

#32
20210132635
2021-05-06

Pressure compensated Venturi dispensing system

#33
20210103304
2021-04-08

Method and apparatus for mixing additives into a fuel

#34
20200386625
2020-12-10

Fluid property measurement devices, methods, and systems

#35
20200291316
2020-09-17

Controlled blending of transmix fractions into defined hydrocarbon streams

#36
20200276406
2020-09-03

Gas delivery method and apparatus

#37
20200240971
2020-07-30

Monitoring and control of soil conditions

#38
20200179887
2020-06-11

Production system for producing formulations

#39
20200070112
2020-03-05

Method and mixing plant for the batch-based production of a flowable coating material

#40
20200061559
2020-02-27

Method for providing deionized water with dynamic electrical resistivity

#41
20200031665
2020-01-30

Oxygen generator and method of controlling the oxygen production rate of an oxygen generator

#42
20190354122
2019-11-21

DYNAMIC GAS BLENDING SYSTEM AND PROCESS FOR PRODUCING MIXTURES WITH MINIMAL VARIATION WITHIN TOLERANCE LIMITS AND INCREASED GAS UTILIZATION

#43
20190196519
2019-06-27

Deterministic feedback blender

#44
20190138035
2019-05-09

DEVICE FOR MEASURING AND ADJUSTING CONCENTRATION OF SLURRY SOLUTION

#45
20190079544
2019-03-14

Substrate liquid processing apparatus and substrate liquid processing method

#46
20190079543
2019-03-14

Pressure compensated Venturi dispensing system

#47
20190015800
2019-01-17

System and method for preparation of a medical fluid

#48
20180304215
2018-10-25

System and method for providing deionized water with dynamic electrical resistivity

#49
20180258530
2018-09-13

Gas control system, deposition apparatus including gas control system, and program and gas control method used for gas control system

#50
20180140762
2018-05-24

Method and apparatus for preparing a medical solution

#51
20180128688
2018-05-10

Fluid property measurement devices, methods, and systems

#52
20180126347
2018-05-10

Valve for dosing and mixing fluids and relative Brix degrees optical sensor

#53
20180094628
2018-04-05

Apparatus for feeding gas mixtures at the intake of a high pressure compressor

#54
20180088097
2018-03-29

Method and apparatus for automatically maintaining a desired level of oxygen in a refuge

#55
20170293310
2017-10-12

Method and apparatus for mixing additives into a fuel

#56
20170246418
2017-08-31

Gas delivery method and apparatus

#57
20170106954
2017-04-20

REBREATHER CONTROL PARAMETER SYSTEM AND DIVE RESOURCE MANAGEMENT SYSTEM

#58
20160368782
2016-12-22

MONITORING CONTROL DEVICE, WATER TREATMENT SYSTEM INCLUDING SAME, AND WATER TREATMENT METHOD

#59
20160296902
2016-10-13

DETERMINISTIC FEEDBACK BLENDER

#60
20160243512
2016-08-25

System and method for compensating binary inlet buffers during inline buffer diluation

#61
20160070274
2016-03-10

Automatic machine tool coolant mixer

#62
20160062371
2016-03-03

Liquid supply systems

#63
20160051949
2016-02-25

System and method for preparation of a medical fluid

#64
20160041126
2016-02-11

Enhanced enclosures for acoustical gas concentration sensing and flow control

#65
20150380280
2015-12-31

Flow-rate regulator device, diluted chemical-liquid supply device, liquid processing apparatus and its operating system

#66
20150346736
2015-12-03

CHEMICALLY-OPERATED TURING MACHINE

#67
20150329480
2015-11-19

On-line analysis of acrylonitrile product

#68
20150301536
2015-10-22

Monitoring and control of soil conditions

#69
20150301011
2015-10-22

Monitoring and control of soil conditions

#70
20150298082
2015-10-22

Methods, systems, and apparatuses for controlling substance mixing concentration

#71
20150217245
2015-08-06

Dynamic gas blending system and process for producing mixtures with minimal variation within tolerance limits and increased gas utilization

#72
20150167172
2015-06-18

Vapor delivery device, methods of manufacture and methods of use thereof

#73
20150131403
2015-05-14

Substrate liquid processing apparatus and substrate liquid processing method

#74
20150020890
2015-01-22

Method and apparatus for supplying mixed gas

#75
20150014430
2015-01-15

Smoke generator and method of controlling a smoke generation

#76
20140283917
2014-09-25

Vapor Delivery Device, Methods of Manufacture And Methods of Use Thereof

#77
20140277745
2014-09-18

Monitoring hydraulic fracturing

#78
20140242236
2014-08-28

Method for controlled venting of a chamber

#79
20140177378
2014-06-26

High dilution ratio by successively preparing and diluting chemicals

#80
20140053837
2014-02-27

Gas delivery method and apparatus

#81
20130226347
2013-08-29

Monitoring and control of soil conditions

#82
20130037126
2013-02-14

Gas concentration control device for pressure vessel

#83
20130029238
2013-01-31

STARTUP CONTROL DEVICE AND METHOD FOR FUEL CELL SYSTEM

#84
20130028043
2013-01-31

Reclaim function for semiconductor processing system

#85
20120298207
2012-11-29

Vapor delivery device, methods of manufacture and methods of use thereof

#86
20120298040
2012-11-29

Vapor delivery device, methods of manufacture and methods of use thereof

#87
20120227816
2012-09-13

DYNAMIC GAS BLENDING

#88
20120164090
2012-06-28

Continuous manufacturing system

#89
20120114814
2012-05-10

METHOD OF BEVERAGE PRODUCTION, APPARATUS AND SYSTEM

#90
20120114813
2012-05-10

Method of juice production, apparatus and system

#91
20120048273
2012-03-01

Rebreather control parameter system and dive resource management system

#92
20120024390
2012-02-02

Method for operating a water softening system comprising target value control by a water removal station

#93
20120004776
2012-01-05

Traced chemicals and method to verify and control formulation composition

#94
20110210628
2011-09-01

Hydrogen control system for electric generator

#95
20110155264
2011-06-30

Source gas concentration control system

#96
20110108122
2011-05-12

Ozone system for multi-chamber tools

#97
20100122588
2010-05-20

Device and method for providing a predeterminable concentration of at least one component in a liquid medium

#98
20100062610
2010-03-11

METHOD OF REGULATING THE TITRATION OF A SOLUTION, DEVICE FOR CONTROLLING SAID REGULATION AND SYSTEM COMPRISING SUCH A DEVICE

#99
20100018991
2010-01-28

Modular dual-purpose chemical dispensing system for laundry or warewash

#100
20090157229
2009-06-18

Method and apparatus for plating solution analysis and control

#101
20090141583
2009-06-04

Reclaim function for semiconductor processing systems

#102
20090007777
2009-01-08

In-line gas purity monitoring and control system

#103
20080314450
2008-12-25

Flow Control

#104
20080295871
2008-12-04

Chemical Supply System

#105
20080223153
2008-09-18

Method and apparatus maintaining multi-component sample gas constituents in vapor phase during sample extraction and cooling

#106
20080166271
2008-07-10

LIQUID CONCENTRATION CONTROL SUPPLY APPARATUS

#107
20080153169
2008-06-26

Microchannel Chip Reaction Control System, Micro Total Reaction System Including the Control System, and Micro Total Analysis System

#108
20070246230
2007-10-25

Electronically controlled direct injection foam delivery system with temperature compensation

#109
20070127309
2007-06-07

Chemical supply system

#110
20070119816
2007-05-31

Systems and methods for reclaiming process fluids in a processing environment

#111
20070109912
2007-05-17

Liquid ring pumping and reclamation systems in a processing environment

#112
20070020160
2007-01-25

Ozone system for multi-chamber tools

#113
20060254643
2006-11-16

System and method for monitoring the performance of an inert gas distribution system

#114
20060211129
2006-09-21

Real-time component monitoring and replenishment system for multicomponent fluids

#115
20060206238
2006-09-14

Modular dual-purpose chemical dispensing system for laundry or warewash

#116
20060199267
2006-09-07

Apparatus for controlled venting of a chamber

#117
20060174941
2006-08-10

In-line gas purity monitoring and control system

#118
20060130897
2006-06-22

Adhesive mix monitor

#119
20050286340
2005-12-29

Method and apparatus for asynchronous blending and supply of chemical solutions

#120
20050236040
2005-10-27

Method and apparatus for maintaining multi-component sample gas constituents in vapor phase during sample extraction and cooling

#121
20050229968
2005-10-20

System and method for monitoring the performance of an inert gas distribution system

#122
20050149273
2005-07-07

Controlling chemical dispense operations based on conductivity offset considerations

#123
20050109792
2005-05-26

Method and device for detecting and checking the quality or properties of a mixture of fluids, in particular a food or domestic mixture

#124
20050107013
2005-05-19

Device comprising detecting means for hydraulic or chemical-physical properties of a fluid

#125
20050084979
2005-04-21

Method of regulating the titer of a solution, device for controlling said regulation, and system comprising such a device

#126
20050045207
2005-03-03

Chemical supply system