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| Number | Title | Issue Date |
| 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 |
| 7267230 | Mobile air powered material separator An apparatus for separating a mixed particulate material into particles of at least two different specific gravities or ranges of specific gravity, wherein the apparatus comprises an air compressor for providing compressed air into the discharge tube, which, through... | 09/11/2007 |
| 7225931 | Filter device The present invention relates to a filter device, especially for a fluidised bed system and particularly for use in the pharmaceutical industry, for separating particles larger than a separating grain from an amount of particles in a fluid flow. The filter device in... | 06/05/2007 |
| 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 |
| 7128216 | Closed air circulation system The invention relates to a closed air circulation system for an apparatus used for sorting wood chips, containing chips in a variety of sizes and/or fines particles, in a wood chips processing chamber, in separate fractions by means of a gas flow, which is delivered... | 10/31/2006 |
| 6978899 | Apparatus for sorting wood chips in separate fractions An apparatus for sorting wood chips includes a feeder for supplying wood chips onto a sloping support surface to slide along the support surface over a slit extending thereacross. The slit is configured to provide an impulse action by means of a continuous gas flow ... | 12/27/2005 |
| 6619484 | Filter device The present invention relates to a filter device, especially for a fluidized bed system and particularly for use in the pharmaceutical industry, for separating particles larger than a separating grain from an amount of particles in a fluid flow. The filte... | 09/16/2003 |
| 6325215 | Method and apparatus for separating elastomeric particulates and fibers from a pulverized mixture A method and apparatus for separating elastomeric particulates from a pulverized mixture wherein a first separator assembly separates out substantially clean fiber and passes non-fibrous particulates and residual fiber to a second separator assembly that ... | 12/04/2001 |
| 6283300 | Feed distribution for low velocity air density separation Air is drawn upwardly through a vertical air separation chamber with an open bottom. Material to be separated is introduced into the rising stream of air. Material having a smaller ballistic cross-section rises, while heavier material falls through the op... | 09/04/2001 |
| 6044977 | Method and apparatus for removing microparticulates from a gas A chamber has a drive shaft rotatably mounted therein and extending along substantially the entire longitudinal extent of the chamber. This drive shaft is rotatably driven by a motor at a speed of 1,200-10,000 rpm. A plurality of screens having a mesh of ... | 04/04/2000 |
| 5873469 | Vibrating screener An improved vibrating screener is disclosed as including an inlet system which provides for tangential input of the material to be processed by the screener. A spacing frame is provided in connection with the tangential inlet in order to separate material... | 02/23/1999 |
| 5829597 | Air density system with air recirculation and gyrating bar feeder A air density separation has a vertical air separation chamber that opens downwardly to allow rejected material to fall out the chamber through the open bottom. The air density separator is configured to recirculate the air and entrained fines, and so min... | 11/03/1998 |
| 5794786 | Method and apparatus for sorting solids by airstream An airstream solid sorting technology easily and efficiently sorts electric wire and other slender objects from other unslender objects in crushed bulk wastes. A mixture of slender and unslender objects is supplied into an airstream sorting vessel, in whi... | 08/18/1998 |
| 5758778 | Grain separator A grain separator to separate and remove contaminants such as dust and debris from grain including an intermediate separator housing having a grain inlet port to receive grain to be scoured from an external source, a grain outlet port to feed scoured grai... | 06/02/1998 |
| 5597076 | Grain separator A grain separator to separate and remove contaminants such as dust and debris from grain including an intermediate separator housing having a grain inlet port to receive grain to be scoured from an external source, a grain outlet port to feed scoured grai... | 01/28/1997 |
| 5411142 | Air-flow control for particle cleaning systems An improved article separator in which the particles are separated through the use of an vertical air-flow permitting heavier particles to fall while entraining the lighter particles and storing them in a hopper. The air flow is automatically controlled u... | 05/02/1995 |
| 5348161 | Process for guiding air for cleaning semolina, as well as semolina cleaning apparatus A semolina cleaning apparatus allows basic operations as in the prior art with complete visual surveillance of operation, but with an outwardly closed product guidance. In this way, entry and exit of dust is completely prevented during normal operation as... | 09/20/1994 |
| 5181457 | Seed peeling apparatus By rotating a seed agitater means such as a rotary cutter within a seed container in which seeds such as of spinach and lawn grass are admitted, the seeds are peeled to separate seed cores from seed coats while being stirred. The seed cores free from the ... | 01/26/1993 |
| 5174455 | Coarse particle separator for toner particles A coarse particle separator for separating and collecting coarse toner particles having a size greater than substantially 500 microns comprises a tank having an inlet and an outlet, the separation being performed within the tank. The inlet to the tank is ... | 12/29/1992 |
| 5098557 | Granular material cleaning apparatus and method A granular material cleaning apparatus and method. The apparatus has an upright container housing assembly; an inlet housing assembly pivotally connected to the upright container housing assembly to receive a contaminated granular material; and material i... | 03/24/1992 |
| 5019242 | Particulate material cleaning apparatus The invention is comprised of an apparatus for cleaning particulate material, particularly grain, wherein the grain is comprised of relatively heavy whole grain particulates and relatively lightweight fine grain particles and foreign material. An upstandi... | 05/28/1991 |
| 4615767 | Process for removing ink-bearing fines from dry-deinked secondary fiber sources A method of deinking comprises: (a) mechanically fiberizing a secondary fiber source in a substantially dry state, preferably air dry, thereby producing a fibrous material consisting of substantially discrete fibers and ink-bearing fines: (b) depositing t... | 10/07/1986 |
| 4523988 | Apparatus and method for producing virgin and/or reclaiming used abrasives Disclosed is a method of and apparatus for processing new or reclaiming used abrasive material such as that material used in the surface preparation of structural steel prior to the application of paint or other protective coating. A stream of wet abrasiv... | 06/18/1985 |
| 3955679 | Apparatus for separating remanent reedblades from tumbling media Apparatus for and method of separating elongated articles having certain aerodynamic properties from a mixture containing contaminating particles of random shape is disclosed wherein a housing is diagonally divided into upper and lower chambers with a sep... | 05/11/1976 |
