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Class Information
Number: 137/3
Name: Fluid handling > Processes > With control of flow by a condition or characteristic of a fluid > Mixing of plural fluids of diverse characteristics or conditions
Description: Processes in which two or more fluent materials of different conditions or characteristics are mixed and the determined condition or characteristic may be taken from any or all the fluent materials and used to control the quantitative flow in any or all the branches or in the mixed channel.

Sub-classes under this class:

Class Number Class Name Patents
137/5 Controlled by conductivity of mixture 55
137/4 Controlled by consistency of mixture 56
137/6 Controlled by heat of combustion of mixture 13
137/7 Controlled by pressure 90

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8667977 Oxygen sensor for tank safety Mar. 11, 2014
8651138 Tubular array for fluidic focusing with integrated optical access region Feb. 18, 2014
8646472 In situ mixing in microchannels Feb. 11, 2014
8616227 Multilevel microfluidic systems and methods Dec. 31, 2013
8580198 Automatic analyzer Nov. 12, 2013
8568934 Mixing system for inerting a gas volume Oct. 29, 2013
8567425 Fluid mixing and delivery in microfluidic systems Oct. 29, 2013
8532474 Molecular heater and method of heating fluids Sep. 10, 2013
8524088 Method to inhibit scale formation in cooling circuits using carbon dioxide Sep. 3, 2013
8489233 Method of blending fuels and related system Jul. 16, 2013
8475743 Multilevel microfluidic systems and methods Jul. 2, 2013
8475550 Self-optimizing odorant injection system Jul. 2, 2013
8464783 Method and arrangement for optimizing heat transfer properties in heat exchange ventilation systems Jun. 18, 2013
8418719 Microchannel device Apr. 16, 2013
8390446 Method and apparatus for on-line estimation and forecasting of species concentration during a reaction by measuring electrical conductivity Mar. 5, 2013
8352071 Method of blending fuels and related system Jan. 8, 2013
8349038 Self optimizing odorant injection system Jan. 8, 2013
8290684 Fuel stability methods and systems Oct. 16, 2012
8281796 Slurry catalyst flow splitters and methods of using the same Oct. 9, 2012
8257666 Integrated active flux microfluidic devices and methods Sep. 4, 2012
8214129 Distinguishing the fuel admitted to a fuel system Jul. 3, 2012
8147775 Self-cleaning and mixing microfluidic elements Apr. 3, 2012
8079827 Displacement control valve Dec. 20, 2011
8043556 Ablutionary installations Oct. 25, 2011
8002457 Process for blending refrigerants Aug. 23, 2011
7946751 Method for controlled mixing of fluids via temperature May. 24, 2011
7858027 Razor protection system Dec. 28, 2010
7793675 In-line gas purity monitoring and control system Sep. 14, 2010
7772287 Process and apparatus for producing emulsion and microcapsules Aug. 10, 2010
7771667 Polymerization quench method and system Aug. 10, 2010
7722809 Bioagent detection device May. 25, 2010
7698021 Method and apparatus for producing paint Apr. 13, 2010
7682066 Method for recycling waste sulfuric acid Mar. 23, 2010
7670399 Exhaust pipe having turbulence wings and an exhaust system Mar. 2, 2010
7666660 Method for mixing inside a capillary and devices for achieving same Feb. 23, 2010
7648569 Method and device for injecting two-phase CO.sub.2 in a transfer gaseous medium Jan. 19, 2010
7627397 Material-sensitive routing for shared conduit systems Dec. 1, 2009
7617836 System and method for supplying functional water Nov. 17, 2009
7608464 Method for use in testing of liquid samples, a test unit utilizing the method and a system comprising such test units Oct. 27, 2009
7578967 Steam collapsing apparatus and system Aug. 25, 2009
7575013 Method and arrangement in the manufacture of coating Aug. 18, 2009
7572428 Process for producing fluorine gas Aug. 11, 2009
7552741 Fluid controlling method, microfluidic device and process for fabricating the same Jun. 30, 2009
7537018 Method and apparatus for controlling partial vapor pressure in a sorption analyzer May. 26, 2009
7510012 Bubble breaker assembly Mar. 31, 2009
7507670 Silicon electrode assembly surface decontamination by acidic solution Mar. 24, 2009
7461968 System, device, and method for mixing liquids Dec. 9, 2008
7448102 Method for controlling mixtures especially for fabric processing Nov. 11, 2008
7438079 In-line gas purity monitoring and control system Oct. 21, 2008
7404411 Method and apparatus for analysis of relative levels of biodiesel in fuels by near-infrared spectroscopy Jul. 29, 2008

1 2 3 4 5 6

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