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| Number | Title | Issue Date |
| 8186515 | Method and separator system for separating magnetic particles, separator column for use in a separator system Magnetic Particle Imaging (MPI) requires high-performing tracer materials that are highly magnetic monodispersed particles with fast remagnetization behavior. Known separation techniques only allow for fractionation of magnetic particles based on differences in magn... | 05/29/2012 |
| 7367457 | Device for the separation of non-magnetizable metals and ferrous components from a solid mixture and method for operating such device In an arrangement which including a motor-driven system for the separation of non-magnetisable metals, vibrations and resonances which generally are present in such arrangement, are eliminated. This is accomplished by utilizing a drum mounted on and rotating about a... | 05/06/2008 |
| 7364921 | Method and apparatus for separating biological materials and other substances A method for separating biological materials and other substances is disclosed, wherein a mixture containing desired and undesired components are exposed to magnetic particles having ligands capable of binding to the desired and/or the undesired components to form a... | 04/29/2008 |
| 7360657 | Continuous magnetic separator and process A continuous magnetic separator and process for separating a slurry comprising magnetic particles into a clarified stream and a thickened stream. The separator has a container with a slurry inlet, an overflow outlet for the discharge of the clarified slurry stream, ... | 04/22/2008 |
| 7355395 | Method and apparatus for eddy current-based quality inspection of dry electrode structure A system for non-destructive non-contact quality inspection of dry electrode units of energy storage includes an eddy current-based inspection system having a conveyor belt, and a hollow dielectric shell. An outer surface of the shell has a plurality of spaced apart... | 04/08/2008 |
| 7341155 | Systems and methods for processing waste materials Systems and methods for disposing of waste material are disclosed, in which a cross-belt magnet configuration is employed to separate ferromagnetic substances from waste material. For some embodiments, the system includes a first conveyor belt, a magnet, and a secon... | 03/11/2008 |
| 7331467 | Apparatus and method for isolating materials Apparatus is provided for separating non-magnetic mineral values from a source containing magnetic material and non magnetic material. The apparatus includes first and second conveyers in overlying relation which counter-rotate relative to one another. One of the co... | 02/19/2008 |
| 7314070 | Method and apparatus for gradient generation A method and apparatus for treating a fluid. A method for treating a fluid may include combining two or more separate streams into a common stream and then splitting the common stream into a new set of separate streams wherein the separate streams may possess differ... | 01/01/2008 |
| 7271007 | Microscale diffusion immunoassay Methods and apparatuses are provided for determining presence and concentration of analytes by exploiting molecular binding reactions and differential diffusion rates. Analyte particles and binding particles are allowed to diffuse toward each other, and slowing of t... | 09/18/2007 |
| 7248043 | Method and apparatus for eddy current-based quality inspection of dry electrode structure A system for non-destructive non-contact quality inspection of dry electrode units of energy storage includes an eddy current-based inspection system having a conveyor belt, and a hollow dielectric shell. An outer surface of the shell has a plurality of spaced apart... | 07/24/2007 |
| 7241630 | Paramagnetic particle detection A method of determining the number of magnetic particles within a sample using a tuned circuit having a capacitor and a coil. The method comprises: a. determining the difference in the resonant frequency of the tuned circuit when t... | 07/10/2007 |
| 7226537 | Method, device and apparatus for the wet separation of magnetic microparticles Method for the wet dynamic separation of a suspension in liquid phase, comprising microparticles comprising a magnetic material and a liquid medium in which said microparticles are in suspension, in which method: a) the suspension ... | 06/05/2007 |
| 7147108 | Method and apparatus for the separation and collection of particles A separation operation for particles includes loading particles of various sizes and responsive to electromagnetic forces into a starting position upon a separation collection component, sending a first current through a first set of conductors in a first direction ... | 12/12/2006 |
| 7090080 | Free wire reclaimer system for scrap tire processors An apparatus for providing free wire reclamation from a granulated stream of mixed metallic and nonmetallic material comprises a vibratory conveyor having a trough assembly mounted on a suspension system and coupled to a motor for causing the suspension system to vi... | 08/15/2006 |
| 7056400 | Method of separating superalloy metal powder from admixed contaminants A method is provided for separating superalloy metal powder from contaminants, such as process-produced contaminants, by enhancing the magnetic properties thereof, such as by oxidizing or leaching of chromium, for example, followed by magnetic separation of the cont... | 06/06/2006 |
| 7056657 | Apparatus and methods for magnetic separation Separation apparatus and method for separating magnetic and/or magnetically-labeled particles from a test medium. Test medium within a reaction chamber is caused to flow past a collecting surface, and a high-gradient magnetic field is applied to the surface t... | 06/06/2006 |
| 6994219 | Method for magnetic/ferrofluid separation of particle fractions A particulate feed comprising a first particle type and a second particle type is separated by providing a separation apparatus having a separation vessel having a top and a bottom, and wherein the separation vessel includes inwardly sloping side walls. A magnet str... | 02/07/2006 |
| 6971409 | Method and apparatus for the treatment of fluids A flow pipe and one or more permanent magnets placed in or on the flow pipe, each permanent magnet presenting at its axial ends an infinite divergence of the magnetic field it generates. Fluid is treated by flowing through a flow pipe equipped with at least one such... | 12/06/2005 |
| 6968956 | Separation apparatus and methods A separation apparatus and method for use in separating magnetic material from non-magnetic material that includes the use of a magnetic grid, e.g., a permanently magnetic grid, which defines a plurality of openings. The grid assists in preventing magnetic material ... | 11/29/2005 |
| 6923328 | Method and apparatus for separating metal values Methods and apparatuses for separating metal values, such as nickel and nickel compounds, from mineral ores, including lateritic ores are disclosed. The method includes providing a mixture of particles (e.g., crushed and sized ore) that is composed of at least a fir... | 08/02/2005 |
| 6902065 | Method for separation of plastic mixtures based on magneto-archimedes levitation Under a magnetic field gradient, solid particles floating and/or sinking in a supporting liquid (most suitably a paramagnetic one) are levitated or anti-levitated at different locations depending on their densities and diamagnetic susceptibilities. ... | 06/07/2005 |
| 6875254 | Methods for detecting and extracting gold Methods for detecting gold and quantitating gold in ore samples utilizing a gold-specific protein are provided, including methods for multiple sample handling. Also provided are methods for extracting gold from mineral suspensions utilizing a magnetic mineral bindin... | 04/05/2005 |
| 6844202 | High efficiency magnetic sensor for magnetic particles A magnetic sensing element detects the presence of magnetic particles in a binding assay. The magnetic sensing element has at least one planar layer of electrically conductive ferromagnetic material that has an initial state in which the material has a circular magn... | 01/18/2005 |
| 6822180 | Particle separation mechanism A microchip comprises a flow pass in which a solution containing particles can flow, and a deflection mechanism for deflecting a portion of the particles as the particles flow through the flow pass. ... | 11/23/2004 |
| 6790366 | Magnetic separation apparatus and methods Apparatuses and methods for separating, immobilizing, and quantifying biological substances from within a fluid medium. Biological substances are observed by employing a vessel (6) having a chamber therein, the vessel comprising a transparent collection wall ... | 09/14/2004 |
| 6764860 | Ultrasonic force differentiation assay An ultrasonic energy source is used to provide a variable force for measuring the binding forces between molecular entities and for sensing the presence of an analyte in a test sample. The device includes a surface that has a first binding member attached thereto an... | 07/20/2004 |
| 6764861 | Method of making high efficiency magnetic sensor for magnetic particles A method of making a high efficiency magnetic sensor for determining the presence or amount of an analyte in a test sample. The method typically includes providing a sensing device with a magnetic sensing element, exposing the sensing device to a fluid test medium s... | 07/20/2004 |
| 6708828 | Magnetically fastenable magnetic wedge separator A ferrous metal object separator is removably attachable to a conveyor which transports a moving stream of non-ferrous material (e.g. wood chips) in which some ferrous metal objects (e.g. screws, nuts, broken machinery parts, spikes, nails, steel filings, steel chip... | 03/23/2004 |
| 6659283 | Capacitor grade powders The present invention is directed to a method of purifying capacitor grade powders. The capacitor grade powder is initially placed into a purifying machine that disperses at least one contaminate into the capacitor grade powder. The powder is then placed ... | 12/09/2003 |
| 6634504 | Method for magnetically separating integrated circuit devices A method and apparatus of separating integrated circuit (IC) devices according to magnetic properties of the devices is disclosed. A plurality of IC devices are subjected to a magnetic field. The IC devices containing only nonferrous material are not resp... | 10/21/2003 |
| 6626297 | Magnetic separator device for disposal unit A garbage disposal protection device prevents the entry of ferro-magnetic objects into the disposal unit while maintaining an unobstructed path for items intended for the disposal to freely pass through the entry of the disposal. The device is an annular ... | 09/30/2003 |
| 6623984 | MEMS-based integrated magnetic particle identification system The present invention provides a MEMS-based integrated particle identification system having a substrate, a magnetic structure, and a bioferrograph. The substrate includes a topside portion, backside portion and a flow system. The flow system includes a f... | 09/23/2003 |
| 6623983 | Apparatus and methods for capture and analysis of particulate entities Apparatus and methods are disclosed which facilitate immobilization of magnetically labelled particulate entities, e.g., cells, preferably in a defined pattern, on a collection surface via binding between specific binding pair members, as an aid to partic... | 09/23/2003 |
| 6581779 | Method of the magnetic loading of a sintering material In a method of the magnetic loading of a sintering material, magnetically susceptible sinterable substances of high magnetization and fine substances of slidable dropping at low speed are segregated in great amounts in an upper portion of a sintering mate... | 06/24/2003 |
| 6572778 | Method for separating magnetized substances from a solution The method includes placing a vessel containing a solution having magnetized substances into a magnetic device. The solution is then incubated in the device for a period of time sufficient to allow the magnetized substances to migrate radially toward the ... | 06/03/2003 |
| 6562239 | Magnetic separation device A magnetic biological particle separation device comprising positioning a magnetic arrangement comprising a first magnet to generate a first north-south magnetic field in a plane co-planer with a horizontal cross-sectional plane of a container, positionin... | 05/13/2003 |
| 6547649 | System and method for recovering metals from scrap generated during dental and jewelry manufacturing A method for recovering noble metal from scrap generated during the manufacture of noble metal units. The method includes providing a cast metal unit such as a dental crown or a jewelry item. The unit is made of some noble metal. The surface of the unit i... | 04/15/2003 |
| 6537385 | Rare earth magnet and method for manufacturing the same The method for manufacturing alloy powder for R--Fe--B type rare earth magnets of the present invention includes a first pulverization step of coarsely pulverizing a material alloy for rare earth magnets and a second pulverization step of finely pulverizi... | 03/25/2003 |
| 6468809 | High efficiency magnetic sensor for magnetic particles A magnetic sensing element detects the presence of magnetic particles in a binding assay. The magnetic sensing element has at least one planar layer of electrically conductive ferromagnetic material that has an initial state in which the material has a ci... | 10/22/2002 |
| 6464083 | Method and apparatus for selectively capturing ferrous debris from a floor An apparatus for collecting, transporting and releasing ferrous debris from a floor is disclosed. The apparatus includes a magnet movable between a lowered and a raised position to provide a sufficient magnetic field intensity to capture debris from the f... | 10/15/2002 |
