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| Number | Title | Issue Date |
| 8172087 | Separation apparatus Disclosed is a separation apparatus comprising a conveyor; and a material separator positioned above a conveyor, the conveyor being arranged to convey a mixture of materials to the material separator; the material separator comprising a suction duct comprising a sid... | 05/08/2012 |
| 8016115 | Waste separation apparatus Disclosed is a waste separation apparatus comprising a vortex initiator (10) and a vortex generator (20). The vortex generator (20) is arranged to direct the airflow from the vortex initiator (10) towards the waste to be separated. The ai... | 09/13/2011 |
| 7267233 | In-line classifier for powdered products A classifier for classifying particulates entrained in a flowing stream of gas is configured such that a change of direction of gas flow causes particles to impinge upon a target, heavier particles being trapped in a downwardly extending fluidized trap. The classifi... | 09/11/2007 |
| 7243801 | System for removing plastic from recycled material A system for separating pieces of plastic bag from ground yard debris and the like, e.g., asphalt shingles. A conveyor conveys the debris material along a conveyor path and an agitator bounces the conveyor to cause the lighter plastic to reposition to the top of the... | 07/17/2007 |
| 7237679 | Process for sizing particles and producing particles separated into size distributions A process for separating particles of different sizes comprising projecting a stream of particles into a fluid medium; allowing the particles to develop differing trajectories in the fluid medium; providing at least two separate collection areas for different averag... | 07/03/2007 |
| 7237434 | Slotted damping section for aerodynamic wind tunnel A damping section, for an aerodynamic wind tunnel having a test section defined by a nozzle mouth at an upstream end and a collector mouth at a downstream end, is adapted to conform to a perimeter of the collector mouth and extend in the downstream end of the test s... | 07/03/2007 |
| 7188730 | Separation system for single stream compressed recyclables A screening system designed to provide separation of multiple fractions of New Screens Fines. News Screens Fines (“NSF”) contain a mix of compressed, unmarketable recyclables that are generally less than four inches in size created as a by-product of current Mat... | 03/13/2007 |
| 7156235 | Apparatus for and method of classifying particles discharged from a vertical mill A classifier for separating coarse particles from a stream of gas and particles discharged from a vertical mill. The classifier includes a generally cylindrical outer casing having a vertical axis and a vertically oriented sidewall disposed on the mill, an inner cas... | 01/02/2007 |
| 7119298 | Method for electrostatically separating particles, apparatus for electrostatically separating particles, and processing system An electrostatic separation apparatus for conductive particles and insulating particles with reduced separation time and improved separating capability, comprises a substantially flat-plate shaped bottom electrode (26) provided on lower side, a substantially ... | 10/10/2006 |
| 7104403 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/12/2006 |
| 7028847 | High efficiency two-stage dynamic classifier A two-stage dynamic classifier (30, 30′) for classifying a pulverized feed material (34, 34′, 38) entrained in an air flow (31) includes a vertically extending housing having a lower feed material inlet (18), an upper feed material outlet ( | 04/18/2006 |
| 6971188 | Brine shrimp egg processing apparatus and method An enhanced apparatus and method for cleaning, drying, and disinfecting brine shrimp eggs is provided. The apparatus may have a blower and a furnace that provide pressurized, dry air to a screening device. The screening device may include a vibrating screen designed... | 12/06/2005 |
| 6957740 | Cyclone separator with central built-in element A cyclone separator (1) has a vertically extending housing (2) with an upper housing segment (3). A separator (6) with a separator wheel is located in the upper housing segment along with a carrier gas/product inlet (7), and a carr... | 10/25/2005 |
| 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 |
| 6942103 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/13/2005 |
| 6926749 | Cyclone separator with compact inlet A cyclone separator is provided with a compact inlet path, in which the inner and outer walls of the inlet path are curved, with the inner wall having a radius that is essentially the same as the radius of the cyclone body wall and with the outer wall wrapping aroun... | 08/09/2005 |
| 6913689 | Methods and apparatus for removing sediment from a liquid using pulses of pressurized air Methods and apparatus for removing sediment from a liquid are provided. Pulses of pressurized air are directed into a conduit having an inlet disposed within a first liquid-containing vessel adjacent to (or within) the sediment to cause a slurry of liquid and sedime... | 07/05/2005 |
| 6902067 | In-shell nut sorting and debris removal assembly An in-shell nut sorting and debris removal assembly for removing debris including empty shells and sorting out unacceptable in-shell nuts includes multiple spaced belt sorting assemblies to removed materials having desired size characteristics and send them into a c... | 06/07/2005 |
| 6883668 | Method of automatic debris separation The invention is an automatic debris separation process for effecting air separation of fragmented materials, such as size-reduced fiber feedstocks derived from textile wastes. The process uses high-velocity air within an elutriation assembly to efficiently remove f... | 04/26/2005 |
| 6883667 | Automatic debris separation system The invention is an automatic debris separation system for effecting air separation of fragmented materials, such as size-reduced fiber feedstocks derived from textile wastes. The system uses high-velocity air within an elutriation assembly to efficiently remove fer... | 04/26/2005 |
| 6726020 | Method and device for a dry cleansing plant for aluminum reduction furnaces exhaust gas Methods and apparatus are provided, which separate out at least a portion of fine dust, including fluoride, from recycled alumina. The difference in natural drop velocity and flow properties of fine and coarse particles is used to effect the separation. ... | 04/27/2004 |
| 6712216 | Method apparatus for separating unwanted matter from granular material In a method of separating unwanted fine matter from heavier granular matter a flow of the material is produced under vacuum firstly through alternating expansion and contraction passages and then against impact surfaces to cause multiple redirections of the material... | 03/30/2004 |
| 6631808 | Air classifier system for the separation of particles An air classifier with enhanced air flow which maybe used for the simultaneous recovery of two or more distinct grades of foundry quality sand from a single sand stream. The air classifier exhibits improved performance by drawing into the classification c... | 10/14/2003 |
| 6572779 | Method for transporting and separating wet chips and delivering dried chips A system for transporting wet chips to a centrifugal separator where the wet chips are separated into dry chips and fluid with the dry chips being transported to a dry chips site and the fluid recirculated or collected. Preferably, the centrifugal separat... | 06/03/2003 |
| 6398035 | Maximizer for gravity separators A gravity separator with improved efficiency comprising a gravity table with pins at the feed area and a flow channeler. The pins create space in the bed of material to be separated which increases stratification of the weight fractions. The flow channele... | 06/04/2002 |
| 6283301 | Separation device and method of use A device and method for its use for separating particulate matter into fractional components. The device is characterized as being in the shape of a substantially vertical column having a feed port for feeding the particulate matter thereto. A top is prov... | 09/04/2001 |
| 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 |
| 6260708 | Method for air classification of toner The method for air classification of toner used to develop electrostatic images, whereby a toner product consisting of a powder with a wide particle size distribution is converted into a higher-quality toner product with a narrow particle size distributio... | 07/17/2001 |
| 6216876 | Vacuum assisted nut collection device The invention is an adjustable portable vacuum assisted device for collecting dense matter, such as nuts, while separating and ingesting less dense matter in the same original environment as the nuts, such as leaves or other lawn refuse. The source of vac... | 04/17/2001 |
| 6206202 | Cyclone separator A cyclone separator (1) has an elongated vertical housing (2), whose upper section (3) is equipped with a carrier gas/product inlet (4), a separating wheel (6), and a carrier gas/fine product discharge (7). A lower section (9) of the housing defines an ov... | 03/27/2001 |
| 6190235 | Method and apparatus for reclaiming used abrasives A method and apparatus are provided for reclaiming used abrasives. This is done by achieving a turbulent levitating fluidized bed in an elongated enclosure which is provided with a porous bottom through which air is blown at a desired velocity. In the upp... | 02/20/2001 |
| 6024874 | Hydrocyclone separator A hydrocyclone separator (10) has an outer housing (12) including an upper housing portion (14) and a lower housing portion (16). Upper housing portion (14) has a cylindrical chamber (22) and an involuted entrance (20) to cylindrical chamber (22). A vorte... | 02/15/2000 |
| 5979663 | Device for recovering abrasives in water jet cutting systems An assembly for abrasive agent recovery in water jet cutting units including a separator (4) for separating usable abrasive agent from sludge and water and a drying oven (9). A conveyor (6) follows the separator (4) for transporting the overwhelmingly usa... | 11/09/1999 |
| 5975309 | Fluidized-bed classifier A fluidized-bed classifier has a vessel defining a space divided into an upper fluidized-bed chamber and a lower gas chamber by a perforated dispersion plate having the shape of a funnel. Rising currents of a gas, such as air, are blown through the disper... | 11/02/1999 |
| 5397066 | Separation of plastic materials Separation of a mixture of plastic materials by separating the plastic mixture according to particle size, and introducing plastic of similar size particles into a vertical fluidized bed column having an upwardly flowing gaseous stream therein. The flow r... | 03/14/1995 |
| 5366094 | Wind tunnel for cleaning and classifying solid particle form material A chamber has upwardly diverging walls so that an upward airstream has different air speeds at different heights in the chamber. When particles such as seeds are put into the chamber, they reach equilibrium at different heights depending on their weights.... | 11/22/1994 |
| 5325875 | Apparatus for separating threshed leaf tobacco Apparatus for separating lighter particles such as lamina containing little or no stem from tobacco particles contained in threshed leaf tobacco which comprises a plurality of tobacco particle separating units, each including a separation chamber each a f... | 07/05/1994 |
| 5292005 | Apparatus for roasting coffee beans or the like An apparatus for roasting coffee beans or the like includes a controlled spinning bed or fluid bed roaster in combination with a cyclone separator for removing chaff from the heating medium. The cyclone separator is disposed above and in coaxial and abutt... | 03/08/1994 |
| 5289921 | Elutriation apparatus and method for cleaning granules Granule cleaner and method comprises a hollow elutriation column into which dust- and debris-adulterated pellets are blasted on a high velocity air stream through an upwardly inclined injection tube to form a floating suspension in said column. Suction wi... | 03/01/1994 |
| 5257831 | Rag tearing machines for the textile industry The rag tearing machine embodies an inlet station 1 in which the materials to be processed for a first time 23 and recycled waste 19 are poured, separately, onto the circulating belt 2. Several rag tearing stations (4a, 4b) are each followed by fan groups... | 11/02/1993 |
