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| Number | Title | Issue Date |
| 7753211 | Method and device for separating solid particles on the basis of a difference in density The invention relates to a method of separating solid particles, using a magnetic fluid, wherein the magnetic fluid is passed through a magnetic field for the purpose of changing the effective density of the magnetic fluid, and the particles are separated into fract... | 07/13/2010 |
| 7726492 | Separator device A separator device comprising a housing having an inlet and an outlet, a magnetic separator rod or element being located within the housing to collect and separate from the flow of fluid through the housing magnetic particles carried by the flow of fluid. ... | 06/01/2010 |
| 7389880 | Unit and method for processing of shredder residues and uses of a sand fraction produced thus A method and system are for sorting shredder residues of metal-containing wastes, in particular of body shells Shredder residues are separated into a shredder light fraction and a non-ferromagnetic fraction (shredder heavy fraction). During the sorting of the shredd... | 06/24/2008 |
| 7380670 | Compact dedusting apparatus A compact housing for a dedusting apparatus utilizes a magnetic flux field to disrupt the static charge attracting dust particles to product particles, which along with fluidization and counter current airflow principles that are proven to dislodge dust particles fr... | 06/03/2008 |
| 7367456 | Air jig for separation of minerals from coal An improved air jig apparatus and method is disclosed in which a dry magnetic separator is used to separate paramagnetic and ferromagnetic minerals from the dust component of coal cleaned with the air jig. The cleaned product of the dry magnetic separator is combine... | 05/06/2008 |
| 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 |
| 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 |
| 7331443 | Vertical parallel transportation of caps A device for conveying closures (D) made from metallic sheet in an essentially vertical direction from a collecting point (1) to a release point (6) is proposed. The closures are selected to be in correct position during conveying in order to release a... | 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 |
| 7214323 | Method for treating body waste material, and apparatus therefor A method of treating fluid body waste material includes, separating the material into factions, in which the solids content of one faction is increased substantially relative to the originating waste material, while a second faction has an increased liquid content. ... | 05/08/2007 |
| 7168568 | 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... | 01/30/2007 |
| 7070684 | Electrode arrangement for generating functional field barriers in microsystems A microsystem adapted for dielectrophoretic manipulation of particles in a suspension liquid wherein the microsystem has a channel with channel walls and a longitudinal extension. An electrode arrangement is present which has at least one microelectrode on at least ... | 07/04/2006 |
| 7022224 | Magnetic hydroseparator The invention relates to the concentration of useful minerals and may be used in the concentration of iron ores. The magnetic hydroseparator includes a body with an upper drain, a supply device, a driving scraping device, set up with the possibility of interacting w... | 04/04/2006 |
| 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 |
| 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 |
| 6953517 | Plant for the treatment of residue In order to make it possible for an inhomogeneous residue generated in a pyrolysis plant to be separated continuously and in as fully graded a way as possible, specially selected components are combined with one anther in an advantageous configuration. An essential ... | 10/11/2005 |
| 6932169 | System and method for developing and recycling drilling fluids A system and method for developing and recycling drilling fluids at the site of a subterranean well is described, thus eliminating the need for transporting the fluids to the site. ... | 08/23/2005 |
| 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 |
| 6851557 | Ferrohydrostatic separation method and apparatus The invention concerns in one aspect, a ferrohydrostatic separation method in which a ferrofluid is used to separate materials of different density. In the method, the apparent density of the ferrofluid is controlled by means of a vertically orientated magnetic fiel... | 02/08/2005 |
| 6821437 | Method for separating a machining suspension into fractions The present invention relates to a method of separating a machining suspension into fractions including abrasive grains and attrition material, such as a suspension produced in the course of the mechanical machining of silicon, quartz or ceramic material, from a cut... | 11/23/2004 |
| 6722503 | Integrally formed separator/screen feedbox assembly In a coal preparation plant which receives a raw coal feed and separates the raw coal feed into a clean coal feed and a refuse feed, an apparatus is provided for receiving and mixing the raw coal feed with water. The inventive apparatus includes a deslime screen ass... | 04/20/2004 |
| 6688473 | High gradient magnetic separator In a high gradient magnetic separator with a separation zone consisting of a matrix of parallel magnetic wires arranged in parallel planes and channels formed by a non-magnetic material and extending in each plane between adjacent parallel magnetic wires ... | 02/10/2004 |
| 6595369 | Particulate material dedusting apparatus A compact dedusting apparatus is mounted on the machine utilizing particulate material requiring contaminant cleansing to provide an economical and effective decontamination of particulate material immediately before utilization of the material. The dedus... | 07/22/2003 |
| 6588597 | Disposal system for plastic A treating system for selecting and recovering reusable materials from used composite plastics is constituted by a crushing process, a cleaning and grading process and a plastics separation process. The treating system for the composite plastics is consti... | 07/08/2003 |
| 6386374 | Multi-mass filter with electric field variations A multi-mass filter for separating particles of a multi-species plasma includes a chamber, which defines an axis. A radial electric field is crossed with a magnetic field (E×B) to move the particles of different mass (M1, M2 and M | 05/14/2002 |
| 6355176 | Magnetic apparatus for collecting, conveying and releasing magnetic materials and method An assembly and method for collecting and releasing magnetic materials includes an elongated permanent magnet (A) within an elongated cover (B) constructed from non-magnetic material for providing a collection area for the magnetic materials thereon oppos... | 03/12/2002 |
| 6293406 | Multi-mass filter A multi-mass filter for separating particles according to their mass-charge ratio includes a chamber for receiving a multi-species plasma that includes particles therein having different mass-charge ratios (with M1 | 09/25/2001 |
| 6264038 | Method and apparatus for waste processing with multistage separation by air classification of light fractions from dried material To separate light organic fractions from waste which has undergone pretreatment consisting of precomminution, ferrous-metal separation, postcomminution, further ferrous-metal separation, drying and nonferrous-metal separation, multiple, preferably so-call... | 07/24/2001 |
| 6186335 | Process for beneficiating kaolin clays A improved process for beneficiating kaolin clays to remove discoloring impurities is disclosed. The beneficiation of kaolin clay is improved by fractionating a kaolin clay starting material into a lower brightness first fraction having a majority of the ... | 02/13/2001 |
| 6138833 | Placer gold mining method, placer gold mining boat used in this method, placer gold digging and separating method and system therefor, and placer gold separating method and system therefor A placer gold separating method includes subjecting placer gold-and gold ore-containing sand and gravel layers accumulated on the bottom of the water of a river and placer gold- and gold ore-containing sand and gravel layers formed deep in the ground to e... | 10/31/2000 |
| 6092665 | Beneficiation of saline minerals A process is provided for recovering a saline mineral from an ore containing the saline mineral and impurities. In one aspect, the process generally includes the steps of separating a first portion of impurities from the ore by density separation, electro... | 07/25/2000 |
| 5992774 | Method and system for recycling construction waste articles A method and system for recycling construction waste articles is disclosed. In the method and system of this invention, construction waste articles are crushed into primary pieces of not larger than 200 mm in size. The primary pieces are screened into agg... | 11/30/1999 |
| 5957298 | Process and device for separating non-magnetic materials and objects by using ferrohydrodynamic fluid The invention describes a process and an appliance for separating non-magnetic materials and objects with the use of magnetic fluids. With this invention a restoration of the magnetic fluid adhering to the separated material is made possible, by removing ... | 09/28/1999 |
| 5944195 | Method for separation of solids from drilling fluids by magnetic separation and centrifugation A method is disclosed for treating drilling mud discharged from a well wherein the mud contains drill cuttings and paramagnetic materials such as hematite. The drilling mud is first passed through a high-gradient magnetic separator to separate the paramag... | 08/31/1999 |
| 5894934 | Machine and method for separating recyclable matter A machine for sorting recyclable matter includes a trommel for conducting and screening an input flow of recyclable matter and a magnetic mechanism coupled to the trommel for extracting magnetic material from the input flow while the trommel rotates. The ... | 04/20/1999 |
| 5868255 | Alternating current magnetic separator A magnetic ore purification system for enriching magnetic ore concentration in a feed material. The system includes an elutriator, an alternating current magnet, and an ultrasonic separator. The elutriator has a feed port for introducing the feed material... | 02/09/1999 |
| 5810998 | Process for improving the brightness of fine-grained kaolin clays Fine-grained kaolin clays having improved brightness can be produced by (a) using centrifugation to fractionate the clay starting material into finer and coarser fractions, (b) subjecting the coarser fraction to flotation to remove discoloring impurities ... | 09/22/1998 |
| 5794791 | Coal cleaning process Fine particle coal is beneficiated in specially designed dense medium cyclones to improve particle acceleration and enhance separation efficiency. Raw coal feed is first sized to remove fine coal particles. The coarse fraction is then separated into clean... | 08/18/1998 |
| 5722542 | Machine and method for separating recyclable matter A machine for sorting recyclable matter includes a trommel for conducting and screening an input flow of recyclable matter and a magnetic mechanism coupled to the trommel for extracting magnetic material from the input flow while the trommel rotates. The ... | 03/03/1998 |
| 5685900 | Method for beneficiating discolored kaolin to produce high brightness coating clay A method for beneficiating a low brightness fine particle size discolored kaolin crude to produce a high brightness coating clay. By combining the two beneficiating techniques of selective flocculation and ozonation, a synergistic phenomena occurs and a c... | 11/11/1997 |
