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| Number | Title | Issue Date |
| 7421802 | Self-cleaning centrifugal dryer system and method thereof A self-cleaning centrifugal dryer system and method for removing surface moisture allow complete removal of plastic pellets, flakes and particles from the dryer and water-conveying or water processing system during or after each drying cycle. By eliminating plastic ... | 09/09/2008 |
| 7246451 | Tumbler-dryer for capsules A capsule dryer utilizes an upper level having a plurality of drying baskets and a lower level having a plurality of drying baskets disposed beneath the upper level of drying baskets. The footprint of the capsule dryer is thus reduced while providing a same or super... | 07/24/2007 |
| 7171762 | Self-cleaning centrifugal pellet dryer and method thereof A self-cleaning centrifugal pellet dryer and method for removing surface moisture from pellets and enabling complete removal of all pellets from the dryer after each drying cycle. By eliminating dried pellets retained in the dryer, contamination of different type pe... | 02/06/2007 |
| 6834442 | Conveyor for grain dryer A metering conveyor adapted to move a controlled volume of grain. The conveyor incorporates a series of carriers that can each be switched between a scooper assembly and a blocker assembly. The ratio of scooper assemblies to blocker assemblies determines the volume ... | 12/28/2004 |
| 6655039 | Centrifugal dryer For separating and drying pellets from a suspension, centrifugal dryers have proved successful wherein a rotor equipped with conveyor blades and disposed vertically in an outside housing for collecting the liquid is enclosed coaxially by a hollow body for... | 12/02/2003 |
| 6457255 | Ring to ring gas processor/dryer Conditioning apparatus for handling particulate material comprises a central frame and a plurality of spaced, annular troughs mounted to the central frame to support the particulate material. The troughs are arranged in a stacked configuration having succ... | 10/01/2002 |
| 6457256 | Grain flow regulator for a grain dryer An apparatus for controlling grain flow within a column of a grain dryer is disclosed. The grain dryer includes a metering roll positioned to contact grain advancing out of a discharge opening of the column. The grain dryer further includes a regulator me... | 10/01/2002 |
| 6449869 | Device and method for drying pourable products Device and method for drying a pourable products. The device includes a rotor chamber in which a rotor is arranged with a vertical rotor axis. The rotor has a central horizontal surface and, at least in its radially outer third, a conical shell which is i... | 09/17/2002 |
| 6438866 | Flow disrupter for dryers The present invention provides a flow disrupter within the flow path of a slurry comprising a desired particulate matter and a transport fluid so as to impart a force angularly disposed to an otherwise obtained direction of travel, thereby preventing the ... | 08/27/2002 |
| 6427359 | Systems and methods for processing workpieces Workpieces requiring low levels of contamination, such as semiconductor wafers, are loaded into a workpiece support or holder within a process chamber. The process chamber has a drain opening, slot or edge. The chamber is closed via a door. A process or r... | 08/06/2002 |
| 6412428 | Method and apparatus for drying and incineration of sewage sludge A system for drying sludge includes a shaftless spiral feed screw for moving sludge through a drying chamber. An high energy inductor is located at a output of the drying chamber for drawing hot gases through the chamber to dry the sludge as it advances f... | 07/02/2002 |
| 6358042 | Heating furnace A heating furnace is provided to use for medium and small size incinerator, to control air pollution effectively using waste heat generated from the incinerator and not to require large size equipment. The heating furnace includes a first opening for inse... | 03/19/2002 |
| 6199299 | Feeding of comminuted fibrous material to a pulping process In a chisel-type convergence for a chip bin in a wood chip pulping process and system, an improvement in uniformity of discharge of the chips from a chips bin or the like is provided. The bin includes a conventional hollow substantially right circular cyl... | 03/13/2001 |
| 6189235 | Grain flow regulator for a grain dryer An apparatus for controlling grain flow within a column of a grain dryer is disclosed. The grain dryer includes a metering roll positioned to contact grain advancing out of a discharge opening of the column. The grain dryer further includes a regulator me... | 02/20/2001 |
| 6189234 | Continuous flow fluid bed dryer A continuous flow fluid bed dryer has a dryer housing having a drying chamber and a plenum chamber located beneath the drying chamber. Moist product to be dried is introduced to the drying chamber at a product inlet and proceeds through the drying chamber... | 02/20/2001 |
| 6141886 | Grain metering system for a grain dryer having improved grain flow angle configuration at grain column discharge opening A grain dryer which includes a grain column through which grain may flow is disclosed. The grain column has a discharge opening. The grain dryer further includes a metering roll positioned to contact grain advancing out of the discharge opening of the gra... | 11/07/2000 |
| 6138377 | Apparatus and process for cooling and de-steaming calcined stucco The present invention is an apparatus and process for cooling and de-steaming hot calcined stucco used in the production of gypsum boards or bagged plaster. The apparatus is a fluid bed stucco cooler and comprises a cooler housing having a plenum with two... | 10/31/2000 |
| 6138375 | Support ring for pellet dryer screen An improved support ring is disclosed for a polymer resin pellet dryer screen of the type which includes cylindrical screen sections interconnected by two semicircular bands forming a support ring or connecting band. The support ring is positioned in spac... | 10/31/2000 |
| 6101742 | Apparatus and method for metering grain in a grain dryer which utilizes a grain flow regulator An apparatus and method for controlling grain flow within a column of a grain dryer is disclosed. The grain dryer includes a metering roll positioned to contact grain advancing out of a discharge opening of the column. The grain dryer further includes a r... | 08/15/2000 |
| 6076276 | Floor sweep assembly for a grain dryer having primary support members and ancillary support members which form a number of intersections with a wiper A grain dryer includes a wall assembly having (i) an inner wall and an outer wall which defines a grain flow path therebetween, and (ii) a discharge slot defined in the wall assembly thereof through which grain may flow. The grain further includes a grain... | 06/20/2000 |
| 6073367 | Floor sweep assembly for a grain dryer having support members and wipers which are spaced apart from each other by spacing members at intersections formed therebetween A grain dryer includes a wall assembly having (i) an inner wall and an outer wall which defines a grain flow path therebetween, and (ii) a discharge slot defined in the wall assembly through which grain may flow. The grain dryer also includes a grain shel... | 06/13/2000 |
| 6073364 | Wiper for a floor sweep assembly of a grain dryer which includes ultra-high molecular weight resin which contacts grain and grain shelf floor during rotation thereof A grain dryer includes a wall assembly having (i) an inner wall and an outer wall which defines a grain flow path therebetween, and (ii) a discharge slot defined in the wall assembly through which grain may flow. The grain dryer further includes a grain s... | 06/13/2000 |
| 6029366 | Apparatus for cooling or drying bulk material The bulk material cooler/dryer apparatus of the present invention utilizes an oscillating spreader assembly in conjunction with a reciprocating discharge grate structure to achieve uniform distribution of in-flowing bulk material within a main processing ... | 02/29/2000 |
| 5956858 | Apparatus for the dewatering of coal and mineral slurries Coal or other mineral slurry is dewatered by establishing a bed of the slurry and injecting a gas stream such as air into the bed to establish turbulent flow to strip moisture. This slurry may use particles in the range 0.5 mm to 30 mm with air injected a... | 09/28/1999 |
| 5915814 | Cyclonic dryer An improved cyclone dryer is disclosed, having an outer cylinder, an inner cylinder, and a cone-shaped chamber. The outer cylinder has a tangential airstream orifice for injecting a high-speed stream of material and air, or other gases, into the dryer. Th... | 06/29/1999 |
| 5893217 | Agitated bed infrared drying apparatus An agitated bed drying apparatus (20) for particulate material (152) is provided which includes a housing (22) having an elongated, essentially imperforate, flexible bed (24) therein adapted to receive the material (152). An agitator assembly (26) made up... | 04/13/1999 |
| 5862611 | Apparatus and method for cooling a granular material using ambient air An apparatus and method for cooling a granular material, such as a phosphate fertilizer, using ambient air is disclosed. The apparatus includes a cooling device and a conveyor assembly for feeding the material. The cooling device includes a rotatable asse... | 01/26/1999 |
| 5746007 | Aggressive convective drying in an agitated pan type dryer The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to an agitated pan type dryer apparatus and method for aggressive convective d... | 05/05/1998 |
| 5659971 | Aggressive convective drying in an nutsche type filter/dryer The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a nutsche type filter/dryer apparatus and method for aggressive convective ... | 08/26/1997 |
| 5638606 | Spider and lifter assembly for centrifugal pellet dryer Improvements in centrifugal pellet dryers and more particularly to improvements in the rotor structure which includes a shaft, pellet lifter assemblies and supporting spiders which support the pellet lifter assemblies from the shaft. Each spider is made o... | 06/17/1997 |
| 5632097 | Brine shrimp cyst drying device An apparatus and method for final drying of harvested brine shrimp cysts preparatory to containerization, for subsequent storage and shipment. The device is portable, and may be installed upon the near shore of the shrimp bearing body of water, or upon sh... | 05/27/1997 |
| 5611150 | Centrifugal pellet dryer A centrifugal pellet dryer is provided which has a housing, a generally cylindrical mesh member vertically disposed within the housing and a rotor that is coaxial with the mesh member. The rotor has lifters which tend to move a slurry of pellets and water... | 03/18/1997 |
| 5555639 | Rotary drum dryer An anti-clogging rotary drum dryer for drying stranded material is provided which includes a tubular, rotatable housing having an inlet for receiving drying gas and wet material, as well as first and second, apertured, telescopically interfitted tubes wit... | 09/17/1996 |
| 5546676 | Aggressive convective drying in an agitated pan type dryer The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to an agitated pan type dryer apparatus and method for aggressive convective d... | 08/20/1996 |
| 5544425 | Aggressive convective drying in a nutsche type filter/dryer The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a nutsche type filter/dryer apparatus and method for aggressive convective ... | 08/13/1996 |
| 5544424 | Aggressive convective drying in a conical screw type mixer/dryer The present invention relates to improved drying techniques which increase the capacity and efficiency of agitated pan type dryers. In particular, the present invention relates to a conical screw type mixer/dryer apparatus and method for aggressive convec... | 08/13/1996 |
| 5372458 | System for treating drilling mud containing potassium chloride (KCl) for disposal A method is provided for treating used potassium chloride (KCl) drilling mud for disposal. The process comprises feeding the mud into one end of a rotary tube, advancing the mud through the rotating tube and heating the mud by cascading action using lifte... | 12/13/1994 |
| 5333396 | Drying apparatus having a rotary spiral blade and a baffle plate in opposition thereto A drying apparatus for removing moisture content from a substance to be dried, comprises a peripheral wall defining a working space for drying the substance, the peripheral wall defines at least an inlet for charging the substance to be dried, an outlet f... | 08/02/1994 |
| 5168640 | Dryer for sugar cane bagasse and/or medulla with a vertical type, mobile bed with countercurrent waste combustion gases This invention refers to a dryer for sugar cane bagasse and/or medulla with vertical type, mobile bed with countercurrent waste combustion gases consisting of: a cylindrical body like a silo. The load is fed into the top of the cylindrical body and is the... | 12/08/1992 |
| 5074057 | Drying apparatus having a vertical rotary spiral blade Disclosed is a drying apparatus using a rotary spiral blade to put wet substance as bean-curd refuse into vigorous circulation in the vessel of the drying apparatus, thereby bringing the substance into contact with the heat conduction surface of the dryin... | 12/24/1991 |
