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| Number | Title | Issue Date |
| 7988401 | Car dumper dust collection method and apparatus An apparatus for rotary dumping of rail cars, including a material receiving pit. A rotational frame is disposed at least partially in the pit, is configured to dump a load from a rail car during rotational motion. A backside airflow diverter is disposed within the ... | 08/02/2011 |
| 7811041 | Car dumper dust collection method and apparatus An apparatus for controlling dust generated by the rotary dumping of rail cars may include one or more baffles of a rotary dump frame to seal a portion of the material receiving pit during a portion of the rotary motion. The dust cloud generated by this dumping is r... | 10/12/2010 |
| 7427182 | Agitator loading system An agitator loading system for loading mixture ingredients, the system includes a loading bay, a delivery chute for delivering mixture ingredients from a storage area, and a dust containment apparatus for minimizing the dust dispersion during agitator loading. A met... | 09/23/2008 |
| 7322785 | Car dumper dust collection method and apparatus A method and apparatus for controlling dust generated by the rotary dumping of rail cars may include one or more flexible baffles provided to the back-side of a rotary dump frame to seal a portion of the material receiving pit during a portion of the rotary motion. ... | 01/29/2008 |
| 7128104 | Receiving pit dust control device and method of use A receiving pit has a grid covering an uppermost opening through which grain or other material is deposited into the pit. The grid including a series of generally parallel and spaced bars and a dust control device according to this invention includes a number of fli... | 10/31/2006 |
| RE39241 | Modular SMIF pod breather, adsorbent, and purge cartridges Modular cartridges which may be inserted into and removed from a well or receptacle on the bottom of a pod. The cartridges may be configured to include various types and combinations of valves, filters, and/or conditioning agents. A standalone cartridge replacement ... | 08/22/2006 |
| 6997217 | Gas conduit for a load lock chamber A gas conduit for a load lock chamber. The gas conduit connects to a gas source to introduce gas from the gas source into the load lock chamber of semiconductor equipment. The structure includes a filter mounted on the top surface of the load lock chamber, a pressur... | 02/14/2006 |
| 6960054 | Car dumper dust collection method and apparatus A method and apparatus for controlling dust generated by the rotary dumping or rail cars may include one or more flexible baffles are provided to the back-side of a rotary dump frame to seal a portion of the material receiving pit during a portion of the rotary moti... | 11/01/2005 |
| 6866071 | Dustless Stacker method and apparatus for a bulk solids handling and storage system A Dustless Stacker hood for suppressing dust generated during the stockpiling of materials such as coal. The Dustless Stacker hood receives coal from overhead chute; the received coal falls through Dustless Stacker hood to the top of a stockpile, and the Dustless St... | 03/15/2005 |
| 6619338 | Material loading skirt system A material loading skirt system for reducing contamination of material during loading. The material loading skirt system includes a tubular skirt having a narrow end and a broad end, a first elastic band is attached to the broad end of the tubular skirt, ... | 09/16/2003 |
| 6609870 | Granular semiconductor material transport system and process A granular semiconductor material transport system capable of continuous, non-contaminating transfer of granular semiconductor material from a large source vessel to a smaller and more manageable target vessel. Movement of the granular material is induced... | 08/26/2003 |
| 6588123 | Apparatus and method for preventing a wafer mapping system of an SMIF system from being polluted by corrosive gases remaining on wafers An apparatus and a method for preventing a wafer mapping system of an SMIF system from being polluted by a corrosive gas remaining on wafers according to the present invention are disclosed. The wafer mapping system includes a plurality of mirrors and sen... | 07/08/2003 |
| 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 |
| 6499929 | Material handling system for reducing dust particles An elevated inverted cone product storage hopper having an enclosed volume with a central opening at the bottom. A dust-free transfer system removes and delivers stored product from the storage hopper through a hopper unloader. The unloader has a convergi... | 12/31/2002 |
| 6499585 | Method of loading bulk particulate materials into containers 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... | 12/31/2002 |
| 6415909 | Apparatus for transporting bulk materials An apparatus for conveying bulk material generally consisting of a support and a guide means defining a passageway. The passageway has a vertical section and a horizontal section cantilevered to the vertical section. A endless rope assembly passes around ... | 07/09/2002 |
| 6368411 | Molecular contamination control system The system and method for molecular contamination control permits purging a SMIF pod to desired levels of relative humidity, oxygen, or particulates. The SMIF pod includes an inlet port including a check valve and filter assembly for supplying a clean, dr... | 04/09/2002 |
| 6254330 | Drum charging system A drum charging system (100) is disclosed, for alleviating ergonomic concerns and chemical exposure hazards associated with the manual addition of solid materials from drums into processing equipment. The drum charging system (100) is adapted to be utiliz... | 07/03/2001 |
| 6174121 | Dust retention system A dust retention system for locating above a product vessel includes a support member mounted above the product vessel, a door including an engaging portion detachably connected to the support member and an adjustment device for adjusting the angle of the... | 01/16/2001 |
| 6156087 | Dust collection system A dust collection system includes a frame defining an opening through which a particulate material is inserted; a plurality of hollow supports extending across the opening; at least one plate extending along a length of each of the plurality of hollow sup... | 12/05/2000 |
| 6076702 | Bulk bag discharge system and method A bulk bag discharger is disclosed having an inner product tube for receiving the discharge spout on the bottom of the bulk bag, the tube being housed within an outer chamber that traps and retains foreign material and contaminants that could otherwise fa... | 06/20/2000 |
| 6065922 | Powder loading device with dust containment system A cover of a powder loading device prevents the escape of loose powder when the powder is transferred from a storage container of a plant to a receiving container. A blower inside the cover moves air from the outside, under the cover, a filter, and return... | 05/23/2000 |
| 6019147 | Transfer apparatus for bulk solids Apparatus having a let-down tube for dust free gravity transfer of bulk solids between upper and lower containers. A spool engageable with a discharge opening on the upper container has a lower end for slidably receiving an end of the let-down tube, the o... | 02/01/2000 |
| 5947333 | Bulk bag discharge system and method A bulk bag discharger is disclosed having an inner product tube for receiving the discharge spout on the bottom of the bulk bag, the tube being housed within an outer chamber that traps and retains foreign material and contaminants that could otherwise fa... | 09/07/1999 |
| 5893399 | Mechanism for reducing emissions of dust from grain bins A mechanism for hindering the escape of grain dust from a grain bin, including baffle units having diagonally extending barrier members and vertically oriented baffle members. First and second sloped side walls of the bin, a cover, and a curtain confine t... | 04/13/1999 |
| 5547331 | Method for loading bulk material into a cargo container with an aeration/vacuum liner pad system An air permeable pad to help load a bulk cargo into or unload a bulk cargo from a cargo container including a body and a hose. The body, in turn, includes a first, gas permeable layer and a second, gas impermeable layer. The two layers of the body are con... | 08/20/1996 |
| 5544686 | Dust control system A dust control system and method for controlling the dust emitted into the atmosphere while dumping grain at a pit at grain elevators. The system includes a plurality of sections, including metering sections with sensing device and dump sections with louv... | 08/13/1996 |
| 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 |
| 5415512 | Device for loading bulk material A device for loading bulk material from a stationary source to a filler pipe located at a chosen spot within a predetermined line of travel. The device comprises a loading hopper which is shiftable along the line of travel and exhibits, at its lower end, ... | 05/16/1995 |
| 5397371 | Container charger A charging apparatus for finely ground particulate materials such as drugs or vitamin concentrates to supplement animal feed and the like, enabling control of the materials, accounting of the particulate materials being dumped and inhibiting exposure of w... | 03/14/1995 |
| 5332012 | Device with a telescopic or collapsible chute for delivering flowable bulk cargo Apparatus for delivering flowable bulk material such as grain, substantially free of dust into a receptacle, such as a vehicle, wherein the grain is delivered through a filter assembly to a chute which can be elongated and contracted and which has a lower... | 07/26/1994 |
| 5302071 | Dust containment system for bottom dumping railroad cars Fugitive dust generated by a bottom dumping railroad hopper car is captured by a dust containment system. The dust containment system includes an open railroad track segment for supporting the car above a hopper pit defined by enclosed end walls, an inter... | 04/12/1994 |
| 5140911 | Coal dust containment A car shaker for use particularly on a rail type hopper car. At least one closure and preferably a plurality thereof is provided to preclude or minimize the amount of dust which results from a dust carrying cargo being discharged. The at least one closure... | 08/25/1992 |
| 5092267 | Powder collection unit with integral dryer Apparatus for collecting and drying powder used for electrostatic coating of a workpiece has air injection means incorporated into the collection bin both to dry and also to homogenize powder recovered, just prior to withdrawal from the bin.... | 03/03/1992 |
| 5066186 | Dust discharging apparatus for a furnace A dust discharging apparatus suitable for use in a dust collector, which comprises series-connected upper and lower dust shoot chambers, each having a swingable discharging valve device to close and open its ceiling opening. In order to prevent dust coati... | 11/19/1991 |
| 4969494 | Filtering device This invention relates to a device for filtering a moving gaseous atmosphere in an installation for unloading pulverulent products in bulk, the installation being of the type constituted by a supply sleeve connecting the base of a silo or hopper to the ci... | 11/13/1990 |
| 4966311 | Bulk bag emptying apparatus and method Apparatus and method of emptying a material-filled bulk bag of the type having a bottom discharge spout which is releasably closed above a bottom end of the spout being released and opened after the bottom end of the spout is releasably and sealably attac... | 10/30/1990 |
| 4954036 | Variable height silo charge system A device for depositing particulate matter into a storage silo having a system of containers which are alternately filled at the top of said silo and lowered into said silo where the particulate matter is deposited, free falling only a short distance onto... | 09/04/1990 |
| 4942911 | Hopper assemblies A hopper assembly has an upwardly facing mouth for receiving granular or powder materials, and structured and arranged for preventing or reducing the escape of material from the hopper. The assembly includes at least one resiliently flexible baffle extend... | 07/24/1990 |
| 4934560 | Tangential distributor of stoppers or the like The invention relates to a tangential distributor for stoppers of a given length and diameter. The distributor comprises a pair of rotating coaxial plates separated by a vertical distance which is slightly more than one stopper diameter. Between these pla... | 06/19/1990 |
