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| Number | Title | Issue Date |
| 7347111 | Segregation testing apparatus for powders and granular materials A method and apparatus enables testing of sifting segregation of a particulate solid mixture in a storage bin or hopper. The apparatus makes use of a convergently and divergently angled hopper for collecting the mixture. The apparatus further makes use of a minimall... | 03/25/2008 |
| 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 |
| 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 |
| 6928941 | Diamond row pattern planter A device for planting seeds in a uniform, staggered, diamond-shaped manner promotes thicker faster spreading canopies that help keep the soil bed cool, moist and better protected from erosion, improved weed control, and improved yield. ... | 08/16/2005 |
| 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 |
| 6454098 | Mechanical-pneumatic device to meter, condition, and classify chaffy seed An apparatus and method for conditioning and/or classifying seed is disclosed. The apparatus includes a seed conditioning/classification unit having an acceleration conduit and a convexly curved Coanda surface provided adjacent to the conduit at its outle... | 09/24/2002 |
| 5934477 | Separation apparatus and method for granular material An apparatus for separating a mixed granular material into granules of different specific gravities or ranges of specific gravity using a powered air flow is described. A divider plate is located below the air flow path within the apparatus to separate th... | 08/10/1999 |
| 5695069 | Fluorescent lamp collection and separation method and apparatus A mobile vehicle containing fluorescent lamp separation apparatus is transported to the site of a facility which uses fluorescent lamps and collects used lamps for processing. The lamps are loaded into a bin in the vehicle, the bin is closed to enclose th... | 12/09/1997 |
| 5553714 | Method for detecting and separating thermoplastic containers with near infrared fluorosphores Provided is a method for tagging thermoplastic containers using near infrared fluorescing compounds or copolymerized residues readily capable of detection. Also provided is a method for identifying a thermoplastic container. Also provided are thermoplasti... | 09/10/1996 |
| 5513805 | Fiber separation method and apparatus An apparatus and method for reaching a 99% separation of bast and core fibers from herbaceous fiber producing plants using a series of pre-separation cleaning and conditioning steps which place the bast and core fibers in a better condition for separation... | 05/07/1996 |
| 5429248 | Grain processor A grain processor for separating and measuring components of a sample of grain as it passes through a rotary sieve having two or more sieving sections having different perforations so that selective separation is made on the basis of the size of the parti... | 07/04/1995 |
| 5341937 | Apparatus for separating recyclable waste An apparatus for separating recyclable waste which has a conveyor belt transport track, collecting belt under a section of the transport track, and belt guides positioned along a section of the transport track. The conveyor belt is provided with openings ... | 08/30/1994 |
| 5335786 | Method and apparatus for separation and recycling plastics The invention comprises a method and apparatus for separating and recycling plastics from plastic parts containing, for example, light metal, rubber, non-ferrous metals and labels of any type attached. The plastic parts are also reduced to selected sizes.... | 08/09/1994 |
| 5333797 | Commingled recyclables recovery and recycling process and related apparatuses An improved method of recovering recyclable materials from commingled recyclables is described as well as apparatuses for doing same. Ferrous materials recovery is achieved using the unique combination of a magnetic belt and a vibratory conveyor. Other ma... | 08/02/1994 |
| 5316150 | Fiber separation process A method for separating the long outer bast fibers from the short woody inner core fibers of herbaceous fiber producing plants which includes the steps of requiring that such plants harvested at a certain cut length are processed through a first and secon... | 05/31/1994 |
| 5263589 | Method of recovering tobacco from stemmery discard A stemmery discard of tobacco and soil particles is fed to an air/centrifugal separator in which a fraction of smaller tobacco particles is recovered with a low amount of soil. The residue from that separator is fed to a screen separator in which a fracti... | 11/23/1993 |
| 5234109 | Apparatus and method for separating recyclable waste An apparatus for recycling waste materials includes a first conveyor for conveying a combination of waste material including magnetic responsive metals, magnetic non-responsive metals, glass materials in both large and small particles, and plastics. A mag... | 08/10/1993 |
| 5195640 | Method and apparatus for cleaning abrasive blast media An apparatus for recovering and cleaning contaminated abrasive blast media. The blast media is transported in a vacuum airstream to a rotatable drum. Within the rotatable drum is a blocking assembly which selectively channels high-velosity air through an ... | 03/23/1993 |
| 5116486 | Apparatus and method for separating recyclable waste An apparatus for recycling waste materials includes a first conveyor for conveying a combination of waste material including magnetic responsive metals, magentic non-responsive metals, glass materials in both large and small particles, and plastics. A mag... | 05/26/1992 |
| 4979622 | Portable hull separator A portable hull separator includes a closed housing defining a pair of apertures which support removable drawers together with a plurality of air apertures. An air flow chamber within the housing is subjected to an air flow created by a motor driven fan. ... | 12/25/1990 |
| 4801374 | Apparatus for the treatment of seed materials Seed materials are presorted by directing a stream of air across a cascade of the materials into heavy, mixed and light fractions and only the mixed fraction is then subjected to the usual gamut and further sorting and classifying operations. The heavy fr... | 01/31/1989 |
| 4759840 | Particle classifier A device for simultaneously separating cohesively bonded particles, by the action of a turbulent air stream, and classifying them according to their size, the device has a horizontal hood connected to the upstream and downstream air ducts. Equipped with a... | 07/26/1988 |
| 4519896 | Dry material sorting device A dry material sorting device for selectively sorting mixtures of granular material comprising component materials such as sand and gold having different specific gravities. The use of a horizontal wind tunnel to sort the materials is described. Use of a ... | 05/28/1985 |
| 4462495 | Process and apparatus for the separation of particles into three fractions of similar compositions A process is disclosed for the separation of a mixture of particles containing differing concentrations of a selected component into three fractions of similar concentration of the selected component. The process comprises conditioning the mixture of part... | 07/31/1984 |
| 4280901 | Method and apparatus for separating finely sized materials A method and apparatus is disclosed for separating finely sized materials of diverse weights comprising a housing 8 having an opening 20 through which materials may be introduced for separation, an air intake 26 through which air may be introduced, and an... | 07/28/1981 |
