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Class Information
Number: 137/92
Name: Fluid handling > Self-proportioning or correlating systems > Mixture condition maintaining or sensing > By viscosity or consistency
Description: Systems in which the condition maintained or sensed is viscosity or consistency.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8584690 Material delivery systems and methods Nov. 19, 2013
8394300 Manufacturing method of optical goods Mar. 12, 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
8298491 Process for treating and/or forming a non-newtonian fluid using microchannel process technology Oct. 30, 2012
8048383 Process for treating and/or forming a non-Newtonian fluid using microchannel process technology Nov. 1, 2011
7344297 Method and apparatus for asynchronous blending and supply of chemical solutions Mar. 18, 2008
7331703 Viscosity controller for ink pad printers Feb. 19, 2008
7270141 Methods and systems for controlling viscosity in real time Sep. 18, 2007
6872071 Device for adjusting the oxidation agent/fuel mixture in the feeding pipe of a burner Mar. 29, 2005
6752165 Refiner control method and system Jun. 22, 2004
6583525 Viscosity regulating valve Jun. 24, 2003
6546785 System and method for dynamic lubrication adjustment for a lubrication analysis system Apr. 15, 2003
6497244 Fluid flow proportioning device Dec. 24, 2002
6250132 Method and apparatus for real time gas analysis Jun. 26, 2001
6168824 Paint viscosity measuring system Jan. 2, 2001
6024111 Process for hydraulic transport of bulk material Feb. 15, 2000
5996604 Apparatus and method for providing process water used for making or processing a fiber suspension Dec. 7, 1999
5959195 Process for determining and evaluating melt flow index values Sep. 28, 1999
5896841 Electronically controlled hydraulic actuation type fuel injection device utilizing oil viscosity detection device and method Apr. 27, 1999
5842497 Adjustable shear direct contact steam injection heater Dec. 1, 1998
5834230 Viscosity Probe Nov. 10, 1998
5829466 Fluid treatment system Nov. 3, 1998
5677481 Viscosity maintenance Oct. 14, 1997
5573333 Demand responsive, continuous preparation of starch slurry for use in manufacturing gypsum products Nov. 12, 1996
5478395 Process for supplying a gas, especially of diborane and silane Dec. 26, 1995
5452954 Control method for a multi-component slurrying process Sep. 26, 1995
5447744 Process for supplying a gas, especially of diborane and silane Sep. 5, 1995
5350567 Centrifugal fluidizing granulator for powder coating granulation Sep. 27, 1994
5289222 Drain arrangement for photoresist coating apparatus Feb. 22, 1994
5279660 Use of viscosity-adjusting agent to counteract viscosity decrease upon temperature increase of a water-based system Jan. 18, 1994
5003814 Sampling processes for use in the controlled addition of conditioning material to suspensions, sludges and the like and apparatus thereof Apr. 2, 1991
4998116 Multifunctional cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head Mar. 5, 1991
4992487 Method for determining flow behavior index and using index to control polymer rheology and physical properties Feb. 12, 1991
4982756 Use of ultrasonic energy to decrease the gel strength of waxy crude oil Jan. 8, 1991
4967782 Process and apparatus for recovering and reusing resist composition Nov. 6, 1990
4959995 Automated cold crank simulator Oct. 2, 1990
4910529 Multifunction cell with a variable volume chamber and a fluid supply circuit for an ink jet printing head Mar. 20, 1990
4865067 Fluid consistency regulating pump Sep. 12, 1989
4825228 Method of, and apparatus for, regulating ink viscosity in an ink jet printing system Apr. 25, 1989
4818371 Viscosity reduction by direct oxidative heating Apr. 4, 1989
4773438 Apparatus for controlling the viscosity of wire coating enamel Sep. 27, 1988
4735227 Turbine flow meter viscosity control Apr. 5, 1988
4677845 Device for detecting viscosity of liquid Jul. 7, 1987
4677567 Fuel blending process Jun. 30, 1987
4628329 Circuit for feeding ink to an ink-jet printing head Dec. 9, 1986
4620983 Method of and system for monitoring and applying liquid foam to a substrate Nov. 4, 1986
4582568 Apparatus for controlling the consistency of a pulp suspension Apr. 15, 1986
4552165 Method and device for maintaining density of a printed color constant Nov. 12, 1985
4544489 Process and apparatus for controlled addition of conditioning material to sewage sludge Oct. 1, 1985
4452265 Method and apparatus for mixing liquids Jun. 5, 1984

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