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| Number | Title | Issue Date |
| 7655124 | Apparatus to assist platelet manipulation to prevent and treat endovascular disease and its sequelae The separation of platelets from whole blood or any of its components Through electricity-based and/or mixed-phase effects. ... | 02/02/2010 |
| 7578919 | Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separation systems A high-voltage capacitive electrostatic device is used to improve the performance of membrane-separation processes, particularly reverse-osmosis units, wherein species of a given ionic polarity are separated from water. The device is immersed in the water flowing ac... | 08/25/2009 |
| 7252752 | Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ... | 08/07/2007 |
| 7059003 | Programmable household appliance with a display device The invention allows a user of a program-controlled household appliance to obtain comprehensive information concerning different working process parameters by having the appliance include a display device for acoustic signals or optical characters and a memory area ... | 06/13/2006 |
| 7018545 | Component separating device, method of manufacturing the device, and method of separating fine solid component by using the device A components separation device including well (2) for containing a sample, being an object of separation, which well (2) is disposed on stage (1). Well (2) is fixed at only one point of the bottom on stage (1). Base (13) for... | 03/28/2006 |
| 7018522 | Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ... | 03/28/2006 |
| 6860972 | Process for detecting the location of a phase interface Disclosed herein are processes for detecting the location of an interface between phases. In one embodiment, the process comprises: introducing a reaction mixture into a vessel wherein the reaction mixture is the product of an at least two phase interfacial reaction... | 03/01/2005 |
| 6793801 | Method and apparatus for removing contaminants from conduits and fluid columns A method and apparatus for contaminant separation utilizes an interleaved array of oppositely charged electrode plates for fluid treatment. Spacing between the parallel electrode plates is graduated so that the volume of the cavities between the opposing electrodes ... | 09/21/2004 |
| 6758953 | Multistage electrophoresis apparatus and method of use for the separation and purification of cells, particles and solutes An electrophoresis device is disclosed which separates cells, particles, proteins and other separands by collecting samples of decreasing electrophoretic mobility in a train of inverted cavities while an electric field is applied between said inverted cavities and o... | 07/06/2004 |
| 6730205 | Method for removing contaminants from conduits and fluid columns A method and apparatus for the treatment of fluid columns uses an air-cooled electromagnetic field generator to prevent the deposition and accumulation of contaminants within conduits and on equipment utilized in the transportation, delivery and processing of the fl... | 05/04/2004 |
| 6712947 | Water purifying apparatus with electric field generator A purifying apparatus for purifying flowing water includes a negative electrode plate disposed on a flowing water bed and a positive electrode plate disposed at an upper face opposite to the negative electrode plate, wherein the positive electrode plate is adapted t... | 03/30/2004 |
| 6689271 | Process and apparatus for electrocoagulative treatment of industrial waste water An electrocoagulation system for removing contaminants from waste effluents comprising an electrocoagulation reactor having charged and uncharged plates and allowing serial flow of water therethrough. The reactor is connected to a voltage source to charge... | 02/10/2004 |
| 6613217 | Electrocoagulation chamber and method A stream of process liquid is treated while flowing through in a horizontally elongated chamber having an open top. Longitudinally elongated electrode blades are aligned with the longitudinal dimension of the chamber. An overhead disbursement chamber supp... | 09/02/2003 |
| 6371135 | Method and apparatus for removing a particle from a surface of a semiconductor wafer A method is described for removing a particle from a surface of a semiconductor wafer. In general, the method involves positioning an electrically conductive surface near the particle to be removed. An electrical charge is created on the electrically cond... | 04/16/2002 |
| 6332960 | Electrostatic fluid purifying device and method of purifying a fluid A device and method for the treatment of fluids using electrostatic fields generated by a high voltage electric current, which reduces or eliminates calcification, scaling and microbiological contamination. A high voltage DC current is applied to a core e... | 12/25/2001 |
| 6165339 | Apparatus and method for controlling molecular cluster in fluid An apparatus is provided for treating a liquid by controlling molecular clusters in liquid in which a very narrow electric or magnetic energy field produced by at least two electrodes or magnetic poles spaced apart by less than 1 mm is applied to a liquid... | 12/26/2000 |
| 6154624 | Image forming apparatus using a developing liquid In an image forming apparatus, a developing liquid collected from an image carrier and/or an intermediate transfer body is caused to migrate through a gap between two electrodes to each of which a particular electrode is applied. An electric field formed ... | 11/28/2000 |
| 6126803 | Method for removing particulate from a liquid silicon containing compound A method for removing a particulate from a liquid silicon containing compound. The method comprises contacting a suspension comprising a non-conducting liquid silicon containing compound and a particulate having a different dielectric constant than the no... | 10/03/2000 |
| 6096185 | Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization Abrasive components and water are recovered from an aqueous chemical mechanical slurry used for planarization of semiconductor materials. The slurry effluent is preferably brought to a neutral pH, and cooled to a temperature between about 0° C. and about... | 08/01/2000 |
| 6077416 | Method for purification of waste water using an electric coagulator The invention relates to purification of waste waters and may be used for water purification from heavy non-ferrous metals, chrome and organic impurities, as well as for separation of impurities from solution. The method is performed by electric coagulati... | 06/20/2000 |
| 6036840 | Method and a reactor for electrochemical conversion of a material e.g. soot particles being insoluble in a fluid A method and a reactor for electrochemical conversion of a material (21) being insoluble in a fluid into a material being soluble in the fluid, which method comprises that a flow of the fluid is passed to a reaction zone which comprises an internal circui... | 03/14/2000 |
| 6001266 | Separation of small particles Small particles, of macromolecular size or the like, are separated in a liquid by size by applying electric fields of predetermined distributions in time and space to enhance the Brownian motion of the particles so as to favor motion of particles of a par... | 12/14/1999 |
| 5942095 | Method of continuous purification of liquid toner in an electrostatic printing system A continuous purification method for removing neutral, as well as ionic, contaminants from liquid toner in an electrostatic printing system is disclosed. This method involves circulating liquid toner from a toner supply tank through a common volume which ... | 08/24/1999 |
| 5928492 | Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization Abrasive components and water are recovered from an aqueous chemical mechanical slurry used for planarization of semiconductor materials. The slurry effluent is preferably brought to a neutral pH, and cooled to a temperature between about 0° C. and about... | 07/27/1999 |
| 5817224 | Electrostatic device and method for enhancing chemical aggregation of particles in water suspension A method for enhancing the efficiency of a solid-liquid separation process by exposure to an electrostatic-field generator utilizes a vitrified ceramic tube of unibody construction having a single open end adapted to receive a high-voltage power cable thr... | 10/06/1998 |
| 5788827 | Means and method for removing particulate matter from nonconductive liquids In a preferred embodiment, an apparatus for removing particles from a nonconductive liquid, including: first sensing apparatus to sense a first net electrostatic charge on the particles in the liquid and to provide a first output signal indicative of the ... | 08/04/1998 |
| 5785834 | Electrostatic filter An electrostatic filter utilizes two separate filter cartridges in a parallel flow configuration with respect to incoming dielectric fluid containing particulates. Each cartridge is connected to opposite sides of a high voltage power supply, resulting in ... | 07/28/1998 |
| 5736024 | Method for removing heavy metal ions dissolved in a solution A method and apparatus for separating heavy metal ions from a processing solution includes a filter. A cylindrical separating member divides the filter into two discrete compartments, an inner cylindrical portion and an outer annular portion concentricall... | 04/07/1998 |
| 5693214 | Apparatus for and method of separation to water and colloidal particles by agglomeration An apparatus for separating an aqueous colloidal solution into water and agglomerate of colloidal particles by applying a high frequency voltage to the aqueous colloidal solution comprises a tank accommodating the aqueous colloidal solution, and at least ... | 12/02/1997 |
| 5643469 | Process for separating phases of different densities and conductivities by electrocoalescence and centrifugation Device for separating a mixture consisting of at least a continuous phase (I) and of at least a conducting disperse phase (II) in the form of particles such as drops in the continuous phase, the two phases having different densities. The device includes a... | 07/01/1997 |
| 5558755 | Method for removing contaminants from an aqueous medium Apparatus and method for removing contaminants from an aqueous medium. The apparatus includes a fluidized bed of metallic particles through which the medium is flowed and through which an electric current is applied by electrodes for agglomerating contami... | 09/24/1996 |
| 5338421 | Method of and apparatus for separation by agglomeration A method of separating an aqueous colloidal solution by agglomeration into water and agglomerate of colloidal particles by applying voltage to the aqueous colloidal solution to promote the agglomeration of colloidal particles. The frequency of the voltage... | 08/16/1994 |
| 5290401 | Method and a device for separating plastic particles from supensions The invention relates to a method for separating plastic particles (P) from a suspension (L), e.g. from a cellulose mass or cellulose pulp suspension, in which the fiber-floc material is broken for loosening the plastic particles (P). In the method, turbu... | 03/01/1994 |
| 5147045 | Particulate separations by electrostatic coalescence The use of electrostatic demulsification methods to separate fine particulates of differing surface characteristics is disclosed. In one example, particles of hydrophobic coal and hydrophilic kaolin clay, each of nominal 3.5 micron mass mean particle diam... | 09/15/1992 |
| 5026484 | Continuous flow method for processing liquids using high-energy discharge A method and apparatus are disclosed for efficient endothermic processing of liquids and the precipitation of dissolved elements and chemical compounds. Improvements over prior systems include system layout, components and modes of operation of the system... | 06/25/1991 |
| 4948515 | Filter for liquid and method of filtering liquid A method for filtering liquids having a dielectric constant less than 10 is disclosed. The method includes the step of filtering a liquid through a porous layer of an electret, the electret consisting of a fibrous sheet having a surface charge density of ... | 08/14/1990 |
| 4935113 | Process of purifying the aqueous effluent from paint, lacquer and varnish spray booths Disclosed is a process for purifying an aqueous effluent which is formed by the scrubbing with water of the exhaust air from paint, lacquer and varnish spray booths. In the process the aqueous effluent is sprayed at a temperature between 10 and 80° C. ve... | 06/19/1990 |
| 4923581 | Toner recycling by counterflow A system and method for recovering charge-bearing solid pigment particles from a fluid dispersant in a liquid toner, wherein the system includes a particle-accumulating surface spaced apart from a complementary electrically biased electrode surface to def... | 05/08/1990 |
| 4799452 | Liquid toner recycling system and method A toner recycling system having separate supply tank of clear liquid dispersant and tanks of color concentrate. The liquid dispersant is continuously circulated from its supply tank by a pump along lines to a toner applictor then back to the supply tank. ... | 01/24/1989 |
| 4767514 | Apparatus and method for removing liquid from liquid bearing material An apparatus and method for removing liquid from liquid bearing material is provided, the apparatus comprising a pair of spaced apart electrodes for being disposed on opposite sides of the material, a unit for creating an electrostatic field between the e... | 08/30/1988 |
