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| Number | Title | Issue Date |
| 7371268 | Filter with thermal vent A compressed air filtering cartridge includes a housing and a filter in the housing, the filter having a thermal vent. In one embodiment the filter includes a wall portion having a first condition when below a predetermined temperature range in which the wall portio... | 05/13/2008 |
| 7332007 | Dusting device with multiple stream nozzles A dedusting device 1 with a demister 15 advantageously arranged standing obliquely has a very compact construction because sufficient moistening or wetting of dust-containing crude air 24 is possible through the use of intensively acting multipl... | 02/19/2008 |
| 7258710 | Maritime emissions control system An Advanced Maritime Emissions Control System (AMECS) includes several Exhaust Intake Bonnets (EIBs) of different size and/or shape, an Emissions Capture System (ECS), and an Advanced Maritime Emissions Control Unit (AMECU) mounted on an Unpowered Seagoing Barge (US... | 08/21/2007 |
| 7219964 | Milling machine as well as method for working ground surfaces At a milling machine to work ground surfaces, with a machine frame, a milling drum supported at the machine frame, at least one transport device arranged at the machine frame which accepts the milled material from the milling drum, as well as with a suction device f... | 05/22/2007 |
| 7192463 | Arrangement for mounting electrical components to an aftertreatment filter An exhaust gas aftertreatment filter system for an internal combustion engine includes an aftertreatment filter disposed in-line with an exhaust gas conduit coupled to an internal combustion engine, a mounting bracket defining a mounting surface and at least one leg... | 03/20/2007 |
| 7094266 | Multipurpose, self-contained, portable and odor-free workstation A novel sanitary and odor free workstation having two spaced apart, transparent plate members that are operatively interconnected to a vacuum source and in combination define a vacuumed air evacuation area that functions as a workstation between the plate members. T... | 08/22/2006 |
| 6955697 | Air cleaner for engines An air cleaner for engines includes a fender provided on the side of the air inlet and the air passage, and a hollow tube adapted to the air inlet to prevent weeds, dust, and pebbles from entering into the air cleaner for enabling clean air to be delivered to the en... | 10/18/2005 |
| 6332308 | Air filtration device for use with roof drill The air filtration device for use with a roof drill has an air intake block attached to a vertical support abutting the mine roof lateral to the drill hole. A flexible hose attached to a dust filter and a vacuum source for filtering and collecting dust fr... | 12/25/2001 |
| 6312504 | Rotary washer with obliquely positioned demister For purifying dust-containing air, particularly in underground mining and tunnel construction, a dust separator 1 in the form of a rotary washer 1 is proposed. The drive 5 of said rotary washer 1 is equipped with a gear unit 10 in order to enable long-ter... | 11/06/2001 |
| 6036914 | Dumping bay with fume collecting provisions An improved dumping bay particularly adapted for preventing the escape of hazardous fumes into other areas of a facility is disclosed. The dumping bay is fully enclosed and utilizes a unique air flow routing technique for collecting fumes, such as from a ... | 03/14/2000 |
| 5762691 | Aerodynamic-electrostatic particulate collection system An aerodynamic-electrostatic particulate collection system for high-efficiency collection of particulate debris generated in a machining area during machining of a workpiece, especially post-cure machining of a composite workpiece, that includes a vacuum ... | 06/09/1998 |
| 5667565 | Aerodynamic-electrostatic particulate collection system An aerodynamic-electrostatic particulate collection system for high-efficiency collection of particulate debris generated in a machining area during machining of a workpiece, especially post-cure machining of a composite workpeice, that includes a vacuum ... | 09/16/1997 |
| 5645478 | Material elevator filter apparatus A bucket elevator filter apparatus including a filter unit for removing fugitive airborne particles from air; the filter unit having an inlet for receiving air, a filtered air outlet for discharging filtered air, and a filtered particles outlet for discha... | 07/08/1997 |
| 5597393 | Displaceable filtering apparatus for airborne contaminates An apparatus for filtering airborne contaminates that has a frame member and a collection duct attached thereto. A discharge duct assembly is pivotally connected to the frame member and is pivotable between a first position wherein it can be removably con... | 01/28/1997 |
| 5505752 | Exhaust gas scrubber and filter assembly An exhaust treatment system having a water scrubber, a centrifugal water trap for removing water droplets from exhaust flow and a filter for cleaning exhaust gases. The components are housed contiguously so that exhaust piping is not needed between the co... | 04/09/1996 |
| 5158583 | Installation for the remote cleaning by degradation of a surface in a hostile medium with waste recovery and treatment In order to clean a surface (A) located in a hostile medium, use is made of a bush hammer (34) mounted on a remotely controlled vehicle (32). The waste produced by the bush hammer (34) is directly collected by a collecting pipe (12) connected to an exhaus... | 10/27/1992 |
| 4869737 | Apparatus for cleaning air in coal mines The apparatus includes a large-capacity main blower for drawing in air from the face of coal being mined. The main blower draws the air sequentially through a grid which deflects large pieces of coal into a refuse bin, and a main stage of centrifugal filt... | 09/26/1989 |
| 4576613 | Process for confining the pollution in an area The present invention relates to a process for confining the pollution in an area with the aid of a gaseous jet. The gaseous jet is formed by a transition zone and a full jet development zone, the transition zone having a dart. The latter is given a lengt... | 03/18/1986 |
| 4569613 | Snap on device for hardcover ring binder The snap on device having a U-shaped support with a pair of arcuate footers in the channel of the U-shaped support and a pair of grippers on each side of the U-shaped support adjacent the arcuate footers creates a device capable of being snapped onto a ha... | 02/11/1986 |
| 4561905 | Method for suppressing coal dust In suppressing coal dust by the application of a foam to a falling mass of coal, a continued dust suppression effect is achieved by foaming a water-diluted emulsion of water, a surfactant, and an oil which exhibits a tacky characteristic when in the form ... | 12/31/1985 |
| 4521232 | Air filter unit with multiple filter chambers and particulate material collection hoppers An air filter unit has a housing including a plurality of separate filter element chambers disposed side by side and each including openings to an elongated air inlet chamber. Each of the filter element chambers includes a porous media filter element for ... | 06/04/1985 |
| 4492567 | Method of removal of impure gases at the time of scrap preheating, and equipment for use of same A method and apparatus for preheating scrap metal within pure gases discharged from a metallurgical vessel. The method comprises the steps of burning the gases in a combustion chamber to remove impurities therefrom, conducting a first portion of the combu... | 01/08/1985 |
| 4406330 | Method of binding dust In rock drilling, the dust-laden flushing air from the borehole is drawn through a coarse dust separator and a filter unit. A mixing apparatus is screwed to the bottom of the filter unit and in accordance with this invention the dust that falls from the f... | 09/27/1983 |
| 4388087 | Cyclonic separator-filter Commercial pleated paper filter elements are applied at full rated gas flow capacity in applications requiring removal of large quantities of particulate matter from large volumes of flowing air or other gas by combining the elements as second stage filte... | 06/14/1983 |
| 4384874 | Dust control apparatus with cleaning control circuit This disclosure relates to a dust control apparatus including mobile drilling rig having a peripheral skirt which collects dust during a drilling operation and delivers the same to a dust collector having a chamber housing and a plurality of filters, each... | 05/24/1983 |
| 4380353 | Dust control system and method of operation A dust control system for a mining machine, particularly for controlling respirable dust in coal mining operations, comprising a ductwork system having intakes adjacent the cutter head of the mining machine, a fan for drawing air through the ductwork syst... | 04/19/1983 |
| 4374786 | Unitized scrubber tower The device of the present invention utilizes a unitized scheme to erect a sulphur dioxide scrubber tower wherein a set of factory built constituent subunits are joined at location to produce a single functional unit. The functional units themselves prefer... | 02/22/1983 |
| 4351567 | Cowl-like scrubber for a long-wall shearer A cowl-like scrubber (20) for removing dust generated by a longwall shearer has a housing (21) adapted to be mounted on the shearer near a cutter drum. An air inlet (23) is provided in the housing to allow the dust-laden air to enter the scrubber (20). Do... | 09/28/1982 |
| 4348057 | Blower and dust collecting machine and method of operation Dust generated in coal mining is removed by means of a blower having an exhaust fan which draws air through its intake opening from the face of the coal. The blower is provided with a first stage of closely-arranged small-diametered cylindrical-shaped ind... | 09/07/1982 |
| 4338102 | Device for removing radioactive particles in moist gas An improved device for effectively removing radioactive particles in moist gas has a pipe for feeding therethrough a moist gas containing radioactive solid particles, a solid-gas separation filter disposed in the pipe, a microwave generator and a wave gui... | 07/06/1982 |
| 4336041 | Mobile dust collector used on quarries The invention relates to a mobile dust collector for use in association with mobile equipment. The dust collector is adapted to be mounted on a common platform with the mobile equipment. The dust collector includes a bottom portion and a top detachment po... | 06/22/1982 |
| 4325290 | Filtered roof ridge ventilator A ridge ventilator for the roof of a building includes a porous, non-woven and fiberous filter medium selectively installed in the ventilator to prevent inadvertent infiltration of moisture through the ventilator into the space below the roof. The filter ... | 04/20/1982 |
| 4323377 | Mobile dust collector The disclosure teaches a mobile dust collector which comprises a housing structure mounted on a trailer. The housing structure includes a filter chamber and a fan chamber. An opening in the side wall of the filter chamber communicates outside air with the... | 04/06/1982 |
| 4316514 | Method of binding dust created when drilling rock with a drilling rod A method for binding dust generated when rock drilling, by mixing said dust with a liquid. The apparatus to perform the method includes a mixing chamber (6) connected to a dust-separating means (1, 3); means for passing gravitationally to the mixing chamb... | 02/23/1982 |
| 4314830 | Side stream separator for boiler particulate emission control Device for controlling the particulate emission from coal-fired boilers including a cyclone type primary separator between the boiler and the stack and a bag filter coupled in side stream relation to the cyclone separator such as to shunt and departiculat... | 02/09/1982 |
| 4292052 | Air pollution control device and method An apparatus and method for controlling the quality of the air in a specific environment including a base portion having a plurality of air purification means. The base provides support for an upwardly extending central tower having a plurality of air inl... | 09/29/1981 |
| 4289509 | Dust aspirating arrangement A dust aspirating arrangement, particularly for underground applications, has a suction element arranged for aspirating air which contains dust generated during operation of an underground machine, an agglomerating section communicating with the suction e... | 09/15/1981 |
| 4286970 | Reactor with particulate recycling filtration means Particulates are both filtered from a product stream and recycled to an associated reactor by a filtration means disposable in a product stream outlet port of the reactor.... | 09/01/1981 |
| 4284419 | Declogging process for filtration installation and improved filtration installation The invention relates to an apparatus and a declogging process for filtration installation for dust-laden gases presenting reducing properties, consisting in taking dust-free gas at the outlet of the filtration installation, oxidizing this gas and using t... | 08/18/1981 |
| 4279625 | Electrostatic system for concentrating, propelling and collecting airborne particulates for industrial furnaces A system of corona injection and repelling electrodes are positioned such that airborne particulates are charged in situ and are propelled to collecting grids above a furnace, or concentrated into particle streams directed into ventilation hoods to be col... | 07/21/1981 |
