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| Number | Title | Issue Date |
| 7371267 | Wire filter cage An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second wid... | 05/13/2008 |
| 7343641 | Dirt collection assembly with volcanic airflow A vacuum cleaner is provided including a housing, a nozzle inlet, a suction generator carried on the housing and a dirt cup carried on the housing. The dirt cup includes a bottom wall, a sidewall, a dirt collection chamber, an air inlet to the dirt collection chambe... | 03/18/2008 |
| 7341613 | Filter elements having injection molded thermoplastic seals and methods of making same Seals for filter elements having filter packs with seals around the periphery thereof adjacent to one of the faces are produced by injection molding the seal onto the filter pack using an ethylene-propyleneterpolymer (EPDM) thermoplastic material. Preferably, the th... | 03/11/2008 |
| 7329293 | Disposable filtration system for bagless vacuum cleaners According to the present invention, a bagless vacuum cleaner includes a dust chamber, a primary filter and a second filter. The dust chamber includes an entrance and an exit. The primary filter is disposed in the dust chamber between the entrance and the exit and th... | 02/12/2008 |
| 7323028 | Air intake filter screen assembly A filter screen assembly for use with an air intake structure, the structure including a face within which is formed an air intake opening. The filter screen assembly includes a screen having a flexible mesh material and an outer perimeter edge. The perimeter edge i... | 01/29/2008 |
| 7320720 | Interlocking filtration device A filtration device adapted for adjustably interlocking with adjacent filtration devices in a filter bank, wherein inversely disposed flaps on opposing sidewalls, such us an upper flap disposed along a first sidewall and a lower flap disposed along an opposing sidew... | 01/22/2008 |
| 7303605 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 12/04/2007 |
| 7300486 | Filter elements having injection molded thermoplastic seals and methods of making same Seals for filter elements having filter packs with seals around the periphery thereof adjacent to one of the faces are produced by injection molding the seal onto the filter pack using a cell-less thermoplastic material. Preferably, the thermoplastic material is com... | 11/27/2007 |
| 7294178 | Low loss hydrocarbon (HC) adsorber device for air induction system A hydrocarbon trapping device including an adsorbing element of a material configured to adsorb hydrocarbons from the air and a support connected to the adsorbing element is provided. The adsorbing element includes first and second opposing ends, and the support inc... | 11/13/2007 |
| 7291195 | Durable filter cage for air-moving system The disclosure provides a system having a cage mounted in an air-moving system, such as a wet and dry vacuum cleaner, which provides energy-absorbing structural ribbing for a more robust cage. The energy-absorbing ribs can tolerate impacts better than the relatively... | 11/06/2007 |
| 7267706 | Air filter An air filter, in particular for purifying combustion air for an internal combustion engine, composed of an essentially metal-free filter insert which forms a hollow cylinder having end disks arranged on the axial end faces of the filter medium of the filter insert,... | 09/11/2007 |
| 7264644 | Methods and apparatuses for mounting a filtration housing for solid filtration media Methods and apparatuses for mounting a filtration housing for solid filtration media. One aspect of the invention includes a method for mounting an air circulation component to an air circulation system, wherein the air circulation component includes a center of gra... | 09/04/2007 |
| 7261757 | Slip-rib filter gasketing There is provided a framed filter for insertion into a filter housing having a frame surrounding at least part of a filtration media with a fluid inlet face and a fluid outlet face, the frame comprising at least one longitudinally extending sidewall portion provided... | 08/28/2007 |
| 7258717 | Filter cross brace The invention is related to a framed filter media comprising a pleated filter media having a fluid inlet face and a fluid outlet face with peripheral sidewalls. The peripheral sidewalls of the pleated filter are attached to the frame generally by an adhesive. The fr... | 08/21/2007 |
| 7241382 | Method and system for filtering sediment-bearing fluids A self-cleaning, back-washable filter apparatus and method for use with a pumping apparatus which is at least partially immersed in fluid. The filter apparatus may comprise a vibration device that is powered by a flow of fluid. A method for filtering a flow of fluid... | 07/10/2007 |
| 7217308 | Closing device for housing This invention relates to a closing device for a housing of an air filter that can be closed with a housing cover. The assembly process is to be simplified and accelerated, while the number of parts required is to be reduced at the same time. According to the invent... | 05/15/2007 |
| 7211124 | Filter element, air cleaner, and methods A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element in... | 05/01/2007 |
| 7201785 | Dust collector for vacuum device A dust collector includes a base, a cover, and a barrel disposed between the base and the cover. The barrel includes a lower frame, an upper frame, one or more intermediate frames, and one or more telescopic tubes selectively secured to the frames, to form a spatial... | 04/10/2007 |
| 7201845 | System for inserting and removing frames of a fluid transfer system A system for moving a filter or a retainer into or out of a fluid pathway without halting the movement of the fluid in the pathway. When acting as a filtering device, the system includes a filter frame and a drive mechanism for slidingly moving the filter frame on s... | 04/10/2007 |
| 7186287 | Disposable filter for a fluid handling device and a method for using the same A fluid handling device having a support frame and a plurality of filter frames attached thereto. Each of the filter frames has an outer frame member that removably secures a filter; the filters being either a planar filter, pocket filter, or multiple pocket filter.... | 03/06/2007 |
| 7186284 | Filter mounting system A filter mounting system for use in a baghouse having a tubesheet with a plurality of openings. The filter mounting system includes filter media and a tubular mounting collar attached to the filter media to mount the filter media relative to the tubesheet. The filte... | 03/06/2007 |
| 7135733 | Capacitor for integration with copper damascene processes and a method of manufacture therefore The present invention provides a capacitor for use in a semiconductor device having a damascene interconnect structure, such as a dual damascene interconnect, formed over a substrate of a semiconductor wafer. In one particularly advantageous embodiment, the capacito... | 11/14/2006 |
| 7108738 | Filter element and mounting method The present invention relates to an apparatus for filtering a gas or liquid stream such as a natural gas stream. The apparatus includes a closed vessel having a longitudinally extending length, an initially open interior, an input port at one extent and an output po... | 09/19/2006 |
| 7097681 | Structure of filtering bag combination An improved filtering bag combination having an increased area of filtering and a longer life of use. The improved structure includes a filtering member with multiple folds to cover a support formed of a plurality of rods. The rods of the support have a plurality of... | 08/29/2006 |
| 7090708 | Filter element for filtering a fluid stream A filter element for filtering a fluid stream, comprising a cylindrical support body, which is provided with openings and is sealed at one axial end, and a filter medium arranged on the support body. The filter medium is a strip material, which extends over approxim... | 08/15/2006 |
| 7083661 | Air filter element and method of producing the same There is provided an air filter element which is used by fitting a central opening in its end plate on a cylindrical portion projecting into a casing, wherein the air filter element has a novel seal construction (end plate). An end plate (10) closing the end ... | 08/01/2006 |
| 7059481 | Filter element A filter element (10) having a supporting body (11) around which a filter medium (12) is wound. The filter medium (12) is a weldable material and is sealingly affixed to the supporting body (11) two radial weld seams (18) an... | 06/13/2006 |
| 7052532 | High temperature nanofilter, system and method A filter, system and method is provided for filtering nanoparticles in a hot gas, namely particles about 200° C. and further particularly >about 450° C. including diesel exhaust. The filter includes filter media material composed of fibro... | 05/30/2006 |
| 7001450 | Filter element, air cleaner, and methods A filter arrangement includes a filter element, a frame construction secured to the filter element, and a handle member secured to the filter element. In preferred embodiments, the handle member is secured to the frame construction. Preferably, the filter element in... | 02/21/2006 |
| 6997966 | Lint trap A lint trap having an enclosure with an interior surface, an open end, with an inlet spaced from an outlet on the interior surface. A cover is removably mountable to the open end of the enclosure with a filter secured to the cover, where side edges of the filter sli... | 02/14/2006 |
| 6991665 | Evertible filter wrap with straps A filter wrap for a cylindrical filter has a sheet with an interior side facing the filter when the sheet is wrapped on the filter, and an exterior side. It also has an edge defining a main opening to the interior for receiving the filter. At least one strap is prov... | 01/31/2006 |
| 6986799 | Recyclable air filter An air filter comprising an elastomeric flange member and a filter member mounted therein. The flange member has opposing ends and sides that define a central opening and protruding members integrally formed with the flange member and extending therefrom. The protru... | 01/17/2006 |
| 6966443 | Paraffin filter element A paraffin filter for a paraffin spa includes a first end cap and a second end cap with a filter medium sandwiched therebetween. Each end cap is disk-like body having a respective tubular connection for the input or output of melted paraffin, thus providing a low pr... | 11/22/2005 |
| 6955700 | Snap together filter A fluid filter is provided with a snap-together housing for the filter media. The housing is designed with two main parts that are easily snapped together to encapsulate the filter media. The filter housing is substantially cylindrical, and contains an inlet on one ... | 10/18/2005 |
| 6955696 | Filter frame and assembly A filter frame including a panel having a plurality of V-shaped elements disposed on the first side thereof. Each V-shaped element includes a pair of slots each configured to receive and orient a filter element. A portion of the panel disposed between adjacent pairs... | 10/18/2005 |
| 6942710 | Duct end filter apparatus The present invention is an improved duct end filtering device which increases the efficiency of a duct-end filter and which increases the ease with which filters can be removed and replaced. ... | 09/13/2005 |
| 6918923 | Rectangular frame arrangement with one to two discoid radiation filters and tanning module The invention relates to a rectangular frame arrangement with one to two discoid radiation filters, as well as to a tanning module having such a frame arrangement. The rectangular frame arrangement has four corners and four lateral edges and, on a first lateral edge... | 07/19/2005 |
| 6905529 | Wire Filter cage An improved filter support structure for supporting filter media. The support structure includes two sections removably coupled together with an improved coupling assembly. The first section has a cross section presenting a first width spaced apart from a second wid... | 06/14/2005 |
| 6863706 | Module for use as a filter, catalytic converter, or heater, and method for the manufacture thereof In order to achieve the object of providing a module having improved mechanical characteristics as well as a wide range of application, it is proposed that the module include at least one layer having open porosity, having an outer side facing a medium flowing into ... | 03/08/2005 |
| 6863758 | Method of assembling plastic filter element with plastic casing A method of assembling a filter element includes the initial step of forming a plastic filter casing with openings from a flat blank with opposite ends thereof bent towards one another and joining these opposite ends together by a sealing seam. Also, a resilient mat... | 03/08/2005 |
