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Class Information
Number: 137/7
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 > Controlled by pressure
Description: Processes in which the determined condition or characteristic is a pressure.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8596798 Transpiration purging access probe for particulate laden or hazardous environments Dec. 3, 2013
8585397 Hot air generator Nov. 19, 2013
8580198 Automatic analyzer Nov. 12, 2013
8550298 Microfluidic dispensing assembly Oct. 8, 2013
8550811 Method for feeding hot gas to a shaft furnace Oct. 8, 2013
8445286 Flow cell for a flow cytometer system May. 21, 2013
8430169 Method for managing hydrates in subsea production line Apr. 30, 2013
8420178 Liquid sending method and system Apr. 16, 2013
8398938 Microfluidic thermal bend actuated pressure pulse valve Mar. 19, 2013
8391608 Method and apparatus for analyzing body fluids Mar. 5, 2013
8381752 Process for reducing the restart pressure of streams selected from waxy crude oils, water-in-crude emulsions and dispersions of hydrocarbon hydrates Feb. 26, 2013
8267111 Pressure balance valve Sep. 18, 2012
8262280 Intrinsically safe moisture blending system Sep. 11, 2012
8262990 Flow cytometer system with unclogging feature Sep. 11, 2012
8215825 Fluid mixing apparatus and method Jul. 10, 2012
8147774 Micro passage chip and fluid transferring method Apr. 3, 2012
8124030 Microfluidic device having regulated fluid transfer between elements located therein Feb. 28, 2012
8100293 Microfluidic dispensing assembly Jan. 24, 2012
8020573 Microfluidic channels and reservoirs in portable electronic devices Sep. 20, 2011
7957841 Method of calculating pump flow rates and an automated pump control system Jun. 7, 2011
7874718 System, device, and method for mixing liquids Jan. 25, 2011
7822276 Method and apparatus for analyzing body fluids Oct. 26, 2010
7780916 Flow cytometer system with unclogging feature Aug. 24, 2010
7670480 Solvent supply with correction of piston movement Mar. 2, 2010
7666660 Method for mixing inside a capillary and devices for achieving same Feb. 23, 2010
7209806 Self-contained electronic pressure monitoring and shutdown device Apr. 24, 2007
7207345 Fluid routing device Apr. 24, 2007
7156118 Microfluidic system with high aspect ratio Jan. 2, 2007
7155319 Closed loop control on liquid delivery system ECP slim cell Dec. 26, 2006
7036686 Soft drink dispensing system May. 2, 2006
6929237 Valve actuation system and methods for pipeline valves Aug. 16, 2005
6895983 Method and apparatus for dividing the flow of a gas stream May. 24, 2005
6884867 Precondition for inverting, mixing, and activating polymers Apr. 26, 2005
6863594 Method and device for cleaning high-voltage carrying installation component parts Mar. 8, 2005
6589791 State-variable control system Jul. 8, 2003
RE37732 Fluid dispersing checkvalve Jun. 11, 2002
6302129 Pulse sensing feedback control system Oct. 16, 2001
6168824 Paint viscosity measuring system Jan. 2, 2001
6000418 Integrated dynamic fluid mixing apparatus and method Dec. 14, 1999
5899219 Ratio mixing valve and method for controlling dither in same May. 4, 1999
5884649 Fluid measuring, dilution and delivery system with air leakage monitoring and correction Mar. 23, 1999
5878771 Precision gas blender Mar. 9, 1999
5873946 Installation and a process for lubricating, cleaning and/or disinfecting conveyor belts Feb. 23, 1999
5865206 Process and apparatus for backing-up or supplementing a gas supply system Feb. 2, 1999
5852231 Elution liquid control for a liquid chromatograph Dec. 22, 1998
5806550 Method and apparatus for monitoring and controlling the amount of liquid in a mixing chamber Sep. 15, 1998
5777213 Preparative liquid chromatography apparatus Jul. 7, 1998
5769108 Fluid measuring, dilution and delivery system with air leakage monitoring and correction Jun. 23, 1998
5671767 Gas mixing apparatus for respirator Sep. 30, 1997
5661225 Dynamic dilution system Aug. 26, 1997

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