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| Number | Title | Issue Date |
| 8151634 | Device and method for detecting the frothing ability of a fluid The present invention provides a device (10) for detecting the frothing ability of a fluid, said device including: an inlet (11) for receiving a portion of said fluid; means (12) for entraining air into said fluid portion; a mixing chamber (1... | 04/10/2012 |
| 7926327 | Apparatus for determining the filterability of fluids, in particular of transmission oils An apparatus for determining the filterability of fluids, in particular of transmission oils, has a test filter device (21) through which a sample amount of the fluid can flow, and a line system which forms a circulation circuit (1) for the fluid. The ... | 04/19/2011 |
| 7490508 | Bench scale apparatus to model and develop biopharmaceutical cleaning procedures An apparatus for testing a cleaning procedure for a material. The apparatus includes a rack having a seat configured to retain a plurality of test coupons at a predetermined angle, an upper tray that distributes a solution along the lines of the rack, a lower tray f... | 02/17/2009 |
| 7355694 | Method and apparatus for measuring a particle diameter of foam on a malt alcoholic drink A method and apparatus for measuring the particle diameter of foam on a malt alcoholic drink, which can detennine the quality of the foam of the malt alcoholic drink objectively, are provided. The apparatus for measuring the particle diameter of foam on a malt alcoh... | 04/08/2008 |
| 7340792 | Process for eliminating foam in the lye container of a drum washing machine A sensor for determining the level of the liquid in the lye container for removing foam in the lye container of a drum washing machine with a lye discharge system arranged on the floor of the lye container with a lye pump during a program step, which is provided for... | 03/11/2008 |
| 7249492 | Method and device for evaluating and/or adjusting the cleaning performance of a cleaning liquid A method and device are provided for measuring and/or adjusting the cleaning performance of a cleaning liquid. One method of the invention includes determining a control value (i.e., the number of drops of the cleaning liquid to provide a selected volume) indicative... | 07/31/2007 |
| 7240539 | Test method A test method is described for comparing the relative affinity of products for a target substance using a substrate ordinarily and visibly sensitive to the products. The test method is useful in one embodiment for comparing the ability of harsh cleansers to remove f... | 07/10/2007 |
| 7059169 | Fluid aeration test apparatus and method A test apparatus for measuring the air entrainment characteristics of a fluid includes a reservoir for containing the fluid, an aerator apparatus to cause air entrainment of the fluid, and a density meter to measure the effects of air entrainment on fluid density. T... | 06/13/2006 |
| 6959588 | Couette device and method to study solids deposition from flowing fluids We disclose a method of measuring an emulsion or solids deposition in a fluid sample, comprising charging the sample to a Couette device; subjecting the sample in the Couette device to a pressure, a temperature, and a shear comparable to field conditions; changing a... | 11/01/2005 |
| 6829922 | Evaluating foamed cement under pressure and temperature A test method for foamed cement does not transfer the test composition under pressure from one device to another and the equipment is not handled under dangerous pressure, thereby providing a safe test method. Steps include: rotating a paddle at a first speed in a p... | 12/14/2004 |
| 6807849 | Foam generator and viscometer apparatus and process An apparatus and process to generate a liquid-gas-surfactant foam and to measure its viscosity and enable optical and or electronic measurements of physical properties. The process includes the steps of pumping selected and measured liquids and measured gases into a... | 10/26/2004 |
| 6790256 | Gas carry-under monitoring and control system A system for monitoring gas carry-under of a formation fluid exiting a gas separator by measuring a parameter of interest of the formation fluid exiting the gas separator is disclosed. The parameter of interest that can be correlated with the extent of gas entrained... | 09/14/2004 |
| 6694804 | Method and device for evaluating and/or adjusting the cleaning performance of a cleaning liquid A method and device are provided for measuring and/or adjusting the cleaning performance of a cleaning liquid. One method of the invention includes determining a control value (i.e., the number of drops of the cleaning liquid to provide a selected volume)... | 02/24/2004 |
| 6672142 | Method and apparatus for evaluating retention time of foam of beer A method for evaluating the period of beer foam stability of sample of equal foam layer thicknesses comprising the steps of obtaining a sample by pouring a fixed amount of prescribed beer into a standard glass from a pouring height calculated to approxima... | 01/06/2004 |
| 6640618 | Method for detecting and measuring foam forming compounds in aqueous solutions A method for detecting change in the foam forming characteristic of an input stream of an aqueous solution which continuously samples the input stream by taking a series of discrete, independent measurements. The method relies on an acoustic sensor to mea... | 11/04/2003 |
| 6484568 | Apparatus and method for foaming fluids and for testing foamed fluids A method and apparatus for foaming and then testing the foamed fluid. The apparatus comprises a cylindrical pressure vessel with upper and lower caps. A circular disk with a plurality of openings, which are preferably circular openings, is placed in the p... | 11/26/2002 |
| 6457348 | High pressure steam line target inserter A high-pressure high-velocity target inserter for use in steam cleaning. The target inserter uses an actuator connected to a tube assembly, which connects to a test line. The target inserter uses packing to prevent high-pressure steam from being released ... | 10/01/2002 |
| 6439035 | Method and apparatus for evaluating retention time of foam of beer A method for evaluating the period of beer foam stability of sample of equal foam layer thicknesses comprising the steps of obtaining a sample by pouring a fixed amount of prescribed beer into a standard glass from a pouring height calculated to approxima... | 08/27/2002 |
| 6405580 | Apparatus for detecting and measuring foam forming compounds in aqueous solutions An apparatus for detecting change in the foam forming characteristic of an input stream of an aqueous solution which continuously samples the input stream by taking a series of discrete, independent measurements. A sample of the input stream is collected,... | 06/18/2002 |
| 6397665 | Apparatus for detecting and measuring foam forming compounds in aqueous solutions An apparatus for detecting change in the foam forming characteristic of an input stream of an aqueous solution which continuously samples the input stream by taking a series of discrete, independent measurements. A sample of the input stream is collected,... | 06/04/2002 |
| 6281020 | Method of testing cleanness of inner surfaces of the parts of a fuel injection system The present invention provides a method of testing the cleanness of the inner surface of a high-pressure fuel injection pipe in which the cleanness of the inner surface of a high-pressure fuel injection pipe can be accurately measured with less variation ... | 08/28/2001 |
| 6083755 | Method for determining the cleaning action on a cleaned object A method for determining cleaning action on medical instruments and other objects is disclose. The method uses a predetermined soiling substance, for example fresh blood mixed with a radioactive marker. The soiling substance is applied to the instrument a... | 07/04/2000 |
| 6082174 | Apparatus and method for determining the amount of entrapped gas in a material An entrapped gas measuring apparatus includes a reservoir housing with a reservoir which is adapted to receive a material sample and to expand according to an expansion of the material sample when a negative pressure is applied externally to the reservoir... | 07/04/2000 |
| 6009748 | Rapidly cyclable foam testing oven Oven, for example, embodied as a foam tester, can heat and cool circulating gas, and hence, contained sample containers, rapidly. A volume for containing coolant material is provided for cooling the oven volume is provided apart from the oven volume, and ... | 01/04/2000 |
| 5928948 | Method for the assessment and validation of cleaning processes A porous material (10) is contaminated with soil (14). Optionally, the porous material is partially shielded by an impermeable layer. The contaminated porous material is packaged and shipped to a user site. The contaminated porous material is removed from... | 07/27/1999 |
| 5891732 | Method for determining foaming behavior of a liquid The invention relates to a method for determining foaming behavior of a liquid by use of a gas, which includes supplying the gas to an amount of the substantially gas-free liquid to form a foam and analyzing one or more properties of the foam, wherein the... | 04/06/1999 |
| 5868859 | Use of infrared radiation in detection methods to defoam aqueous systems The creation of a substantial volume of foam on the surface of an aqueous medium can reduce the apparent thermal IR emission substantially when compared to that of the aqueous medium free of foam. This difference in temperature (infrared emission) can be ... | 02/09/1999 |
| 5824886 | Foam tester Foam tester device, which is useful for testing the foaming of liquids at elevated temperatures, has an insulated cabinet containing a temperature-regulatable volume; a heater capable of heating a gas for the volume; a feature to circulate heated gas in t... | 10/20/1998 |
| 5693874 | Test apparatus and method for determining deposit formation characteristics of fuels A test apparatus includes a test chamber adapted to support a test piece having the shape characteristic of an engine intake valve. Means are provided for heating the test piece, delivering a selected test fuel to the test chamber at a controlled rate and... | 12/02/1997 |
| 5597950 | Surfactant monitoring by foam generation A device for monitoring the presence or absence of active surfactant or other surface active agents in a solution or flowing stream based on the formation of foam or bubbles is presented. The device detects the formation of foam with a light beam or condu... | 01/28/1997 |
| 5465610 | Device for the characterization of the foaming properties of a product which is at least partially soluable A device for the characterization of the foaming properties of a product at least partially soluble in a liquid comprising a transparent analysis column (1) provided at its base with a porous allowing filter (2) to homogeneously introduce a gas flow throu... | 11/14/1995 |
| 5375459 | Defoamer testing apparatus An apparatus and method is provided wherein the foam inhibiting effectiveness of defoaming and antifoaming additives on various types of foamable liquid mediums is measured. A single generally cylindrical foam cell having openings at both ends is provided... | 12/27/1994 |
| 5301539 | Method for improving enhanced recovery of oil using surfactant-stabilized foams A process is provided for enhancing the recovery of oil in a subterranean formation. The process involves injecting a surfactant-containing foam having oil-imbibing and transporting properties. A foam having such properties is selected either by determina... | 04/12/1994 |
| 5108655 | Foam monitoring control system This invention relates to a system for monitoring and controlling foam in a liquid tank utilizing a foam level sensing device positioned at a downstream location from a defoaming agent delivery arrangement. The foam level sensing device comprises a float ... | 04/28/1992 |
| 4907444 | Fire fighting foam analyzer and method therefor A method and apparatus for classifying fire fighting foam is disclosed. Fire fighting foam analyzer 10 uses a large capacity container 11 having a viewing window 12 disposed in a substantially vertical wall 13. The viewing window 12 has thereon a volume s... | 03/13/1990 |
| 4888981 | Apparatus for testing of fluids Apparatus for testing fluids, especially for testing physical characteristics or susceptibility to process fluids. A rotor (11) includes at least one arced pipe segment (18-21) that can transport the fluid, which is to be tested, and retrieve it during ro... | 12/26/1989 |
| 4787110 | Foaming testing apparatus which yields results correlatable to hand washing of laundry Detergent laundry bars of improved foaming properties during hand washing of laundry are described which include 15 to 45% of a mixture of 0.05 to 20 parts of sodium higher fatty alcohol sulfate and 1 part of sodium alpha-sulfo-higher fatty acid lower alk... | 11/29/1988 |
| 4677304 | Apparatus for determining the stability of foam Apparatus for determining the stability of a foam comprising a light source (1), a foam sample cell (2), a light sensitive cell (3) having a linear output voltage- or current-exposed area relationship, a voltmeter or ammeter (9) connected to the light sen... | 06/30/1987 |
| 4651000 | Method for determining the performance of detergents in the removal of proteinaceous soils An improved method for determining the performance of detergents in the removal of proteinaceous soils, which centers upon the use as test soil of radiolabelled blood hemoglobin and upon the evaluation of detergency by both light reflectance and scintilla... | 03/17/1987 |
| 4621521 | Apparatus for determining foam formation of crude petroleum An apparatus for simulating the actual conditions of foam formation during crude oil production includes a transparent cylindrical measuring vessel having a circumferential flange formed at its open top. A ring-shaped member is seated on the flange and de... | 11/11/1986 |
