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| Number | Title | Issue Date |
| 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 |
| 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 |
| 5032256 | Method and apparatus for air separation of material The application disclosed a granular material classifying device comprising a horizontally disposed, transversely unrestricted wind tunnel, having an upstream end, a downstream end, a top end and a bottom end, for directing a horizontal airflow from the u... | 07/16/1991 |
| 5025929 | Air classifier for light reusable materials separation from a stream of non-shredded solid waste An air classifier for separating light reusable materials from a stream of non-shredded solid waste is provided. The air classifier employs two operating phases. The first operating phase, the desired light fraction is entrained in an air stream and is co... | 06/25/1991 |
| 4840727 | Double bank grain cleaner and aspirator therefor A double bank cleaner for granular material includes two spaced banks of cleaning decks mounted in a frame with a drive motor and rotatable eccentric positioned between the two banks so that the banks of decks can be gyrated in a flat, horizontal plane. A... | 06/20/1989 |
| 4636301 | Dusting flour recycling system A flour recycling system includes a compressed air and vacuum head placed over a bakery product conveyor line. Flour is removed from the product units and is conveyed through a vacuum hose to the inlet of a remotely located dual stage separator in which t... | 01/13/1987 |
| 4440635 | Process and apparatus for the recovery of cellulose fibers from paper-plastic mixtures A process, and apparatus for recovering cellulose fibers from contaminated paper-plastic mixtures by exposing the mix to controlled wetting to increase the weight of paper cellulose components relative to the weight of the plastic components; subjecting t... | 04/03/1984 |
| 4312748 | Method and apparatus for classifying particles of powder metal A method and apparatus for classifying desirable particles of powder metal by size and removing particles of undesirable material of a different density than the metal particles. There is included a housing defining a closed flow path for a recirculated s... | 01/26/1982 |
| 4133749 | Process of separating solid granular metallurgical products and their precursors and apparatus A process and apparatus for separating solid granular metallurgical products. A plurality of linearly vibrating screens are housed, one over the other, each inclining more than the one above and each having a smaller mesh opening than the one above and 1.... | 01/09/1979 |
| 4007744 | Grain accelerator precleaner The threshed material leaving the threshing cylinder of a grain harvester or combine is accelerated into a transverse air stream by a pair of rolls. The rolls are disposed on parallel axes and are rotated at a relatively high speed in opposite directions ... | 02/15/1977 |
