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| Number | Title | Issue Date |
| 7320202 | Stacking of lumber pieces An apparatus for picking, conveying, stacking and bundling lumber pieces from the ground for example for removing stacked support lumber during laying of a pipe line comprises a tracked vehicle to which is attached a frame carrying a transport conveyer along the sid... | 01/22/2008 |
| 7255233 | Method and apparatus for separating mixed plastics using flotation techniques A method and apparatus are provided for separating mixed plastics using flotation techniques including a first stage initial washing tank for washing of incoming plastics and providing a first separation process and at least one separation module. The first stage in... | 08/14/2007 |
| 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 |
| 7108601 | Grain threshing device A grain threshing device (10) comprising a receptacle (12) or receiving a portion of crop head. The receptacle (12) has a plurality of longitudinal ribs (30) on inner surfaces. One or more flexible arm members (28) are arranged on ... | 09/19/2006 |
| 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 |
| 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 |
| 5875898 | Compost purification method and apparatus Mature particulate compost containing plastic film fragments resulting from the comminution of green waste and the bags containing them, is freed of the plastic fragments during screening of the compost by drawing air upwards through the compost into at l... | 03/02/1999 |
| 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 |
| 4981581 | Dust collection hood for sand reclaimer, cooling, and blending rotary drum A dust collecting hood for use in conjunction with a sand cooling, blending, reclaiming of other rotary drum, within the casting industry, the hood incorporates an upper and lower section, either of unitary or separate construction, the upper section incl... | 01/01/1991 |
| 4678560 | Screening device and process A cyclic screening apparatus (10) and method utilizes multiple air flows and differential air pressures to separate undersize and oversize particles from a mixture of 5 to 50 micron size particles. The apparatus (10) comprises a support (12) including a f... | 07/07/1987 |
| 4549698 | Method of reclaiming foundry sand A method and apparatus for reclaiming used foundry sands including organic resin-bonded sands and clay-bonded sands is shown. The method includes passing used sand downward through a series of vertical, fluid sand beds. Hot air is forced upward in counter... | 10/29/1985 |
| 4215151 | Process for roasting an agro-food product in a fluidized bed of inert particles The invention concerns a process and a device for roasting an agro-food product in the form of grains. The process consists of fluidizing an auxiliary body in the form of fine solid particles in an enclosure 1, and putting the grains of the product to be ... | 07/29/1980 |
| 4039434 | Sugar cane harvester cane conveyor roller A sugar cane harvester having walls defining a channel through which harvested sugar cane is to be conveyed. Power-rotated conveyor rollers extending across the channel move the cane through the channel. At least one of the rollers is in the form of a dru... | 08/02/1977 |
