Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7712353 | Ultrasonic liquid treatment system In a system and process for ultrasonically treating a liquid having a thermal conductivity, an elongate treatment chamber housing has an inlet and an outlet such that liquid flows longitudinally through an interior space of the chamber from the inlet to the outlet. ... | 05/11/2010 |
| 7350402 | Method and apparatus for determination of medical diagnostics utilizing biological fluids A method for measuring changes in the composition of fluids, for medical diagnostics or quality control of fluids, comprising: One) placing a drop of fluid upon a quartz crystal; Two) generating ultrasonic vibratio... | 04/01/2008 |
| 7350403 | Method and apparatus for determination of food quality and authenticity A method for analysis of a multi-component fluid is provided based on the features of the dynamics of the self-organization processes in drying drops. An electro-acoustic resonator is utilized, with a drop of multi-component fluid placed on one end of the resonator.... | 04/01/2008 |
| 7341669 | Filter methods to capture a desired amount of material from a sample suspension for monolayer deposition, analysis or other uses The present invention is a filter apparatus with methods to capture a desired amount of material suspended in a liquid or gas for monolayer deposition, analysis or other uses. Novel filter devices are employed to capture material which may be used for the purificati... | 03/11/2008 |
| 7041153 | Method of measuring floating dusts In a method of measuring particles floating in an atmosphere, the atmosphere containing the particles is sucked into a container, ions are generated from a discharge electrode disposed in the container to charge the particles with the ions. A dust-collecting electro... | 05/09/2006 |
| 7040874 | Integrated turbocharger lubricant filter system An exemplary center housing for a turbocharger includes a filter well for receiving a lubricant filter unit. An exemplary filter unit, for attachment to a center housing of a turbocharger, includes an attachment mechanism to attach the filter unit to the center hous... | 05/09/2006 |
| 7011852 | Separation of platelets from whole blood for use as a healant A method is described for separating, retrieving and concentrating platelets from whole blood relying on aggregation of the platelets followed by filtration. This method eliminates the need of a centrifuge for separating said cells from blood. To obtain cellular con... | 03/14/2006 |
| 6939719 | Equipment of local streaming potential measurement for monitoring the fouling process in hollow-fiber filtrations of nano-colloidal suspension The present invention relates to an apparatus for monitoring the progress of membrane fouling that occurs on pores as well as on the surface of a membrane by means of variations of zeta potential (ζ) of a hollow-fiber membrane according to time passage of filtratio... | 09/06/2005 |
| 6923848 | Collecting apparatus of floating dusts in atmosphere A collecting device for collecting particles floating in the atmosphere includes a collecting container; a pump for sucking the atmosphere into the collecting container; a discharge electrode disposed in the collecting container for generating single polarity ions t... | 08/02/2005 |
| 6904386 | Control system and method for detecting plugging in differential pressure cells A method and control system is disclosed that monitors the high frequency or commonly referred to as the “noise” component of a measurement signal to detect plugging conditions in fluid flow systems monitored by DP-cell based sensors. This high frequency compone... | 06/07/2005 |
| 6884341 | Filter device to capture a desired amount of material A filter device is used to capture a desired amount of material suspended in a liquid or gas. The device includes a planar filter 530 mounted in a chamber defined by a body member having an upper body 510, a lower body 520, an inlet port 525 | 04/26/2005 |
| 6874357 | Method for studying liquid and device for carrying out said method The present invention relates to physical chemistry and can be used for a quality test of liquids, in particular, multi-component liquid products, to ascertain the conformity of various process liquids, pharmaceutical preparations, foodstuffs, biological liquids to ... | 04/05/2005 |
| 6766703 | Apparatus and method for enhancing remote sensor performance and utility Apparatus and methods for sensing one or more physical parameters at a remote location while minimizing or eliminating contact between reservoir fluids and the like at the remote location and the sensor used to sense the physical parameters. In one example arrangeme... | 07/27/2004 |
| 6727099 | Equipment and method of local streaming potential measurement for monitoring the process of membrane fouling in hollow-fiber membrane filtrations The present invention relates to an apparatus for monitoring the progress of membrane fouling that occurs on pores as well as on the surface of a membrane by means of variations of zeta potential (ζ) of a hollow-fiber membrane according to time passage of filtratio... | 04/27/2004 |
| 6679102 | Method and apparatus for measuring fluid contaminants Apparatus (20) for testing the extent of contaminants in a fluid during a test period, comprises: a source (Ps) of pressurized fluid to be tested; a fluid sump (R); a first flow restriction (R1) adapted to be supplied with fluid flow... | 01/20/2004 |
| 6549856 | Fluid contaminant sensor The invention provides an improvement in apparatus (20) for testing the level of contaminants in a fluid during a test period. The apparatus has a source of pressurized fluid (Ps) to be tested; a fluid sump (R); and a test passage (48) which is... | 04/15/2003 |
| 6474144 | Determining the level of particulate contamination in a fluid power system A device for determining the level of particulate contamination in a fluid power or lubrication system. Between the inlet and the outlet of the device, working fluid passes through a narrow orifice (26) defined between a cylindrical spool (22) and surroun... | 11/05/2002 |
| 6463790 | Membrane filtration method and apparatus for simultaneously and continuously monitoring time-based membrane fouling A membrane filtration method and an apparatus for continuously monitoring the state of a membrane during the filtration, particularly for membrane fouling due to cake or gel layers of solutes developed on the surfaces of a filtered membrane, by estimating... | 10/15/2002 |
| 6460403 | Device for analysing preferably animal manure A device which may be carried by and part of an unmanned vehicle which measures characteristics of manure of animals such as dairy cows that are milked and fed in a stable provided for them. The vehicle is supported by three driven wheels and carries a me... | 10/08/2002 |
| 6459251 | Method and device for measuring concentration A device for measuring concentration of a flowing suspension wherein a moveable detector body (3) is arranged for detecting the resistance against movement in the suspension, and including a flow modifying element (4) for bringing a portion of the suspens... | 10/01/2002 |
| 6432265 | Sampling method and method for cleaning sampling apparatus The object of the invention is a sampling apparatus in a continuous industrial process for taking a sample of the substance to be monitored. The sampling apparatus is located on the wall of the pulp tank and it includes a sample chamber, which is equipped... | 08/13/2002 |
| 6338276 | Multiphase flow metering method and device The invention si a multiphase flow metering method. The method includes a) determining at least two pressure values P1 and P2 for the different points A and B, and the value of the internal pressure Po of a device; and b) determining... | 01/15/2002 |
| 6311546 | Biofouling monitor and methods to monitor or detect biofouling A biofouling monitor is described which has a column having an inlet and an outlet; a microorganism nutrient feed line located upstream of the inlet; and a first pressure sensor located upstream of the inlet for measuring flow pressure and a second pressu... | 11/06/2001 |
| 6306291 | Automatic silt density index apparatus An apparatus for monitoring particulates in a liquid stream and the rate at which the particulates foul a filtering medium, generally a reverse osmosis membrane, to determine at what point in time the filtering medium should be cleaned or replaced. The ap... | 10/23/2001 |
| 6234004 | Method for measurement of flow velocity or diffusivity, microsensor and application of such microsensor The invention relates to a method and a microsensor for measurement of transport coefficients like diffusivity or flow velocity. The microsensor has a reservoir provided with a mouth and a transducer. The transducer has a tip placed in the mouth, which ca... | 05/22/2001 |
| 6230551 | Evaluation of particulate contaminants A component is washed with a fluid to release particulate contaminant. The particulate-containing fluid is passed through a screen (22) having a known number of apertures of identical known size. The change in pressure caused by the accumulation of partic... | 05/15/2001 |
| 6225125 | Method and apparatus for controlled instrumentation of particles with a filter device A method and apparatus for the controlled instrumentation processing of cells and other particles with a filter device measures a parameter of the flow through the filter device of fluid carrying the particles. A measure of the change of the fluid flow th... | 05/01/2001 |
| 6202475 | Predicting logarithmic reduction values A method of predicting logarithmic reduction values for a membrane filtration system having a filtrate flow portion and a bypass flow portion relative to a filtrate permeable membrane with stable input gas flow comprising: determining the filtrate flow ra... | 03/20/2001 |
| 6175227 | Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle A Coulter apparatus comprises a volumeter assembly containing a conduit through which a particle suspension is caused to pass simultaneously with an electrical current. In preferred embodiments the volumeter assembly comprises at least one traditional Cou... | 01/16/2001 |
| 6089078 | Process and device for measuring particles in suspension in a liquid A process provides for measuring particles in suspension in a liquid in an particle response analyzing instrument comprising a cytometric flow cell head, wherein the suspension is injected into the head at an injection rate, the head comprises one or seve... | 07/18/2000 |
| 6018989 | Method and apparatus for measuring the properties of a fiber or colloid suspension In the measurement of the properties of a fiber or colloid suspension for process control, e.g. in order to control a refiner, it is known that the fiber length is related to the rate at which water can be drained from a sample. In the present invention i... | 02/01/2000 |
| 6010909 | Method and apparatus for controlled instrumentation of particles with a filter device A method and apparatus for the controlled instrumentation processing of cells and other particles with a filter device measures a parameter of the flow through the filter device of a fluid carrying the particles. A measure of the change of fluid flow thro... | 01/04/2000 |
| 5894085 | Device for determining the purity of a metal alloy The invention relates to apparatus for determining the purity of a metal alloy, and in particular an aluminum alloy. The apparatus comprises a shell (10) defining a receptacle (14) of generally tapering shape about a vertical axis having a bottom end defi... | 04/13/1999 |
| 5827982 | Portable liquid metal filtration device for inclusion analysis A device for measuring metal purity, comprising a receptacle for holding a sample of molten metal, the receptacle being made, at least internally, from an insulating refractory material and having a bottom wall provided with a hole containing a filter ele... | 10/27/1998 |
| 5770152 | Collapsible container for measuring particles in a sample fluid A device and method for the detection of small particles in a fluid. The device is a collapsible sample container having a opening which is covered, at least in part, by a porous membrane having a plurality (e.g., 100) of pores therein having a pore diame... | 06/23/1998 |
| 5723769 | Diffusion cell A Diffusion cell for use in monitoring levels of gases or volatile organic compounds within bulk media such as ground water, effluent, or air. The diffusion cell is of sealed hollow construction and has a membrane providing an interface between a gas phas... | 03/03/1998 |
| 5717131 | Apparatus for testing a shear thickening plugging fluid An apparatus for testing a shear thickening plugging fluid that is an emulsion of two components which react with each other to provide a thickening of the fluid when subjected to high stress, such apparatus comprising a cylinder (1) having an inlet (2) w... | 02/10/1998 |
| 5710717 | Method for predicting and adjusting the distribution of two-phase fluids flowing through a piping network A new, improved method is disclosed for reliably and accurately predicting and adjusting vapor-liquid split ratios to branches of a piping network incorporating a plurality of impacting tee junctions for a wide range of two-phase steam or gas-liquid condi... | 01/20/1998 |
| 5385043 | Contamination measurement apparatus A contamination measurement apparatus for determining a level of particulate contamination in a fluid. The apparatus includes a filter for passing a fluid therethrough. A volume indicator produces movement of a test piston in response to the fluid passing... | 01/31/1995 |
| 5365775 | Process for automatic measurement of specific filtration resistance and electrostatic charge of a fibrous dispersion A method is provided to monitor specific filtration resistance, total drainage resistance and drainage flow rate in a continuous on-line manner in the paper making process. It can be combined with the simultaneous measurement of streaming potential or zet... | 11/22/1994 |
