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| Number | Title | Issue Date |
| 8157484 | Device, and method for feeding substances An apparatus for pumping free-flowing materials, having a receptacle coupled to a vacuum pipe and a pumping gas pipe, at least one filter, at least one supply pipe, and at least one drainage pipe for a material being associated with the receptacle. The apparatus inc... | 04/17/2012 |
| 7407346 | Methods and apparatus for air conveyor dust emission control A collector assembly is configured to vent dust-laden air through at least one filter in one direction using pressure in an air conveyor, whereby dust collects on one side of the filter or filters. The collector assembly is further configured to pulse compressed air... | 08/05/2008 |
| 7364034 | Adjustable aperture apparatus that retains dust from bulk material directed through the apparatus An adjustable aperture apparatus on a bulk material transfer chute that transfers a flow of bulk material from a discharge conveyor to a separate receiving conveyor is automatically closed when no bulk material is being transferred by the transfer chute from the dis... | 04/29/2008 |
| 7264422 | Rotary separator for mineral fibers A method and apparatus for collecting and forming loose fill fiber material from an air stream includes introducing a combined fiber and air stream onto a surface of a rotatable drum. The rotatable drum allows the air to flow through the surface of the drum while co... | 09/04/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7104743 | Vacuum receiver with positive dump valve control A vacuum receiver for a pneumatic conveyor for conveying, e.g., plastic pellets, having a receiving vessel with a material inlet, a material outlet and a conveying gas outlet. A first valve member is provided for opening and closing the conveying gas outlet, and a s... | 09/12/2006 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 7052213 | Hydraulic food cutter with improved accelerator tube assembly A hydraulic accelerator tube is provided for an improved hydraulic food cutting assembly. The accelerator tube is formed of polyurethane having a durometer hardness within the range of 20–70. It is encased within a clamshell housing which, when installed in the fo... | 05/30/2006 |
| 6994497 | Method and apparatus for treating high pressure particulate material An apparatus for pneumatically conveying particulate material containing reaction products of a high pressure reactor from a supply vessel at a pressure of at least two bar to a receiving vessel at a considerably lower pressure. The apparatus includes a conveyor lin... | 02/07/2006 |
| 6939122 | Fluidizer for a substance The present invention generally relates to a fluidizer including at least one wall forming a conduit for a gas. The at least one wall may include a material having microscopic holes therein with a sufficient porosity to permit the escape of the gas through the micro... | 09/06/2005 |
| 6936092 | Positive pressure drilled cuttings movement systems and methods Methods for moving drilled cuttings, the methods, in certain aspects, including conveying with air under positive pressure, drilled cuttings to flow conduit apparatus; applying air under positive pressure to the flow conduit apparatus to continuously move the drille... | 08/30/2005 |
| 6890129 | Dried product discharge system A system for discharging dried product, particularly for drying filters, drying units and the like, comprising, on a container for treating and containing a dried product, a discharge hole that is controlled by a discharge valve, interposed on a pneumatic circuit su... | 05/10/2005 |
| 6868876 | Device for bagging bulk material A device for the sacking of bulk material having a product container for receiving bulk material, a filling funnel, and a dust filter. A separator, which is connected to the filling funnel via a connection line, is arranged upstream to the dust filter. Furthermore, ... | 03/22/2005 |
| 6502689 | System and method for transporting bulk materials and loading apparatus therefor An apparatus for conveying bulk material generally consisting of a support, a guide member defining a passageway providing a circuitous path, having a base section supported on the support and a section cantilevered relative to the support; at least two s... | 01/07/2003 |
| 6364579 | Apparatus for separating suspended fibrous material An apparatus for separating fibrous material such as wool, wood, paper, cellulose, rockwool, fiberglass, etc., which is conveyed by and suspended in air. The separator can be used with pneumatic vacuum systems and pneumatic pressure conveying systems for ... | 04/02/2002 |
| 6325572 | Process and device for pneumatically conveying powdery substances and their use A device for the pneumatic conveyance of particulate substance having a specific gravity of 0.1 to 15.0 g/cm2 and a particle size of between 0.1 to 300 μm includes a flat plate like filter element between a pump chamber and sources of positive... | 12/04/2001 |
| 6197080 | Apparatus for separating fiber material from an air stream An apparatus for separating fiber tufts from a fiber tuft-laden conveying air stream includes a generally vertically oriented feed chute having an upper portion and a lower portion; an air-pervious screen disposed in the upper chute portion; an inlet chan... | 03/06/2001 |
| 6045298 | Spray insulation components A system and corresponding method are disclosed for blowing or spraying loose-fill insulation (e.g. fiberglass) into wall cavities and the like the system including a fiber recovery or recycling subsystem that vacuums up overspray or waste fibers and forw... | 04/04/2000 |
| 6039513 | Separator for air conveyed pellets A separator for removing pellets from an air flow has a screen inclined to the path of the pellets and which deflects the pellets toward a pellet discharge member for subsequent delivery to a hot melt glue tank. The screen is detachably carried by an air ... | 03/21/2000 |
| 6017446 | Floor mounted filtration system A flume system for use with a floor mounted filtration apparatus and a floor mounted in-line machine section is provided. The machine section receives a flow of clean coolant from the filtration apparatus and has a series of machine outlets for outputting... | 01/25/2000 |
| 5984590 | Collector box with baffle system for use in spray-on fiber recycling system A system for recovering waste fiber and reusing it with a loose-fill blown-in-place insulation system includes a fiber collector device mounted above the feed hopper, which collector receives the waste (i.e. recovered) insulation for recycling into the bl... | 11/16/1999 |
| 5947646 | System for blowing loose-fill insulation A system and corresponding method blow or spray loose-fill insulation (e.g., fiberglass) into wall cavities and the like. The system includes a fiber recovery or recycling subsystem that vacuums up overspray or waste fibers and forwards them back toward t... | 09/07/1999 |
| 5913642 | Feed chute for fiber tufts A flap is disposed across the opening between an expansion chamber and an exhaust air duct to control the delivery of fiber tuft-laden air into a feed chute or chamber. The flap has two wings which pivot about a common pivot axis whereby as one wing incre... | 06/22/1999 |
| 5833287 | Vacuum assembly for recovering and dispensing flowable packaging materials A vacuum assembly for recovering and dispensing flowable packaging material is comprised of a chamber, an air pump, a screen, and a handle. The air pump, which may be an electric motor and squirrel cage blower, is stationed to pump air into the mouth, thr... | 11/10/1998 |
| 5785464 | Small material transfer system A loading device primarily for injecting granular plastic material into molding or extrusion machines includes a tee chamber connected to a source of the material. A filter and screen are supported on a top plate interposed between the filter and the tee ... | 07/28/1998 |
| 5769573 | Apparatus for controlling air flow in an air duct A throttle valve is provided within a discharge air duct located adjacent a fiber duct receiving a fiber laden air stream. The throttle valve cooperates with a stop in a lowered position to form a gap to allow a minimal air flow therethrough. In addition,... | 06/23/1998 |
| 5769572 | Bag dumping station vacuum A bag dumping station for receiving particulate materials from rupturable bags or other portable containers is provided with a vacuum facility with a direct inlet to the hopper of the station and includes an ejector for providing motive gas for vacuum con... | 06/23/1998 |
| 5769286 | Hosiery item spreading unit with pneumatic feed, usable with pneumatic hosiery item convenience systems equipped with a centralized suction A hosiery item spreading unit with pneumatic feed, usable with pneumatic hosiery item conveyance systems equipped with a centralized suction, comprising: a structure which forms an elongated spreading chamber arranged with its longitudinal axis substantia... | 06/23/1998 |
| 5758992 | Golf ball elevator A golf ball elevator includes a tube connected to a suction manifold and elevates golf balls to any desired height. The tube has at least one suction opening in the wall of the tube. The suction manifold covers the suction opening in the tube and draws a ... | 06/02/1998 |
| 5741093 | Apparatus for collecting lightweight objects Air packaging peanut recovery system for recovering packing peanuts includes an operator held wand connected to a flexible conduit. The flexible conduit has a discharge end extending into a collection hopper having a mesh top. The wand is provided with an... | 04/21/1998 |
| 5630680 | Method and apparatus for separating solids from gas in a high pressure solids-gas stream utilizing a packed bed of the solids Separation of a high temperature (e.g., 300°-1200° C.) and high pressure (e.g., 2-20 bar) solids-gas stream from a pressurized fluidized bed reactor into solids and gas while reducing the pressure of both the gas and solids takes place in a vertical de-... | 05/20/1997 |
| 5567090 | Method and apparatus for separating solids from gas in a high pressure solids-gas stream utilizing a packed bed of the solids Separation of a high temperature (e.g., 300°-1200° C.) and high pressure (e.g., 2-20 bar) solids-gas stream from a pressurized fluidized bed reactor into solids and gas while reducing the pressure of both the gas and solids takes place in a vertical de-... | 10/22/1996 |
| 5487229 | Apparatus for pneumatic excavation An excavation head, mounted on one end of a telescoping hollow boom, has nozzles for directing jets of high speed air at an excavation face to loosen soil. A vacuum transport pipe extends from the excavation head through the hollow of the boom to a spheri... | 01/30/1996 |
| 5478172 | Apparatus for feeding ultrafine powder in quantitative batch operation Ultrafine powder is stored in a pneumatic transportation tank (20), and is discharged to a transporting conduit (23) while being fluidized by the pressurized air fed through a fluidizing air port (24). The ultrafine powder is fed to a weigher (30) provide... | 12/26/1995 |
| 5427491 | Hatch cover for loading particulate matter A hatch cover is a tent-like fabric structure having a skirt with dimensions which fit around and is attachable to a periphery of a hatch to keep foreign substances from falling into the hatch. Examples of such substances are rain, snow, dust, and any oth... | 06/27/1995 |
| 5328301 | Air return for venturi system An air return is useable in a venturi system having an upstream air induction member feeding a product flow line downstream of the air induction member. The air return itself comprises a housing having a product flow region to be fitted in line with the p... | 07/12/1994 |
| 5323819 | Overhead vacuum assembly for recovering, storing and dispensing flowable packaging materials An overhead vacuum assembly for recovering, storing and dispensing flowable packaging material including a flexible storage bag having an open upper end for receiving flowable packaging material, a dispensing valve mounted at the lower end of the bag, a l... | 06/28/1994 |
| 5273562 | Separation and storage of particulate solids Apparatus is disclosed for separating particulate solids from a transport gas, the apparatus comprising outlet and inlet ducting extending respectively away from one towards a storage housing within which separation of solids from the transport gas occurs... | 12/28/1993 |
| 5197162 | Apparatus having partial exhaust conduit fiber compacting air flow In a device for feeding flocculent fiber material to processing machines, comprising an upper filling chute (1) arranged in a housing, at the lower end of which a feeding roller (8) is arranged cooperating with a beater or opening roller (9) from which a ... | 03/30/1993 |
| 5184730 | Method and apparatus using feed conveying fluid blending the feed and/or separating debris from the feed A method and apparatus for blending a material feed and/or separating debris from a material feed is disclosed in which a feed separator is used with a blender and/or debris separator. The feed separator separates a feed from the conveying air flow which ... | 02/09/1993 |
