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| Number | Title | Issue Date |
| 8142538 | Pleated aligned web filter A filter element in the form of a nonwoven self-supporting filtration web having rows of folded or corrugated spaced-apart pleats, the web containing continuous thermoplastic fibers a majority of which are aligned at 90°±20° with respect to the row direction. The... | 03/27/2012 |
| 8048188 | Air cleaner arrangements; serviceable filter cartridge; and, methods Principles, techniques and configurations applicable in air cleaner arrangements and filter cartridges therefore, are described. In general the filter cartridge includes an axial pivot arrangement, for pivoting the filter cartridge in place, when mounted in an air c... | 11/01/2011 |
| 8012233 | Filter cartridge for air cleaner An air cleaner assembly is provided, which is configured for alternate installation therein of different sized filter cartridges. Features of the air cleaner assembly and components for use therewith, are described. Also methods of assembly and use are described. | 09/06/2011 |
| 7972405 | Air cleaner arrangements; serviceable filter elements; and, methods An air cleaner arrangement or assembly is provided. The air cleaner arrangement includes a serviceable filter cartridge. The air cleaner assembly also includes an arrangement for positioning the filter cartridge into a preferred, sealing, orientation and for securin... | 07/05/2011 |
| 7972404 | Air cleaner arrangements; components thereof; and, methods Air cleaner assemblies and components therefore are described and shown. Also methods of assembly and use are described and shown. Example air cleaner assemblies shown. Projection/receiver arrangements are described, for securing a filter cartridge in place within t... | 07/05/2011 |
| 7959703 | Fluted filter with integrated frame A filter element includes a filter media pack, a frame, an annular seal, and a sealing means independent of the annular seal. The frame is integrally secured to the fluted filter media pack with material of the frame integrally bonding the frame thereto. ... | 06/14/2011 |
| 7959702 | Air filtration media pack, filter element, air filtration media, and methods An air filtration media pack is provided having a plurality of layers of single facer media. The layer of single facer media includes a fluted sheet, a facing sheet, and a plurality of flutes extending between the fluted sheet and the facing sheet and having a flute... | 06/14/2011 |
| 7931726 | Box-V filter and method of fabricating the same Embodiments of the invention generally include a filter assembly having a media pack having a single web of pleated media having at least two mini-seated regions arranged in non-linear orientation. In one embodiment, a filter assembly includes a media pack defined b... | 04/26/2011 |
| 7879125 | Filter with variable pleat depth A filter is provided by pleated filter media having a plurality of pleats defined by wall segments extending axially along an axial direction along an axis and extending transversely along a transverse direction between first and second sets of pleat tips at first a... | 02/01/2011 |
| 7708797 | Air cleaner configured for receipt of various sized filter cartridges; components thereof; and, methods An air cleaner assembly is provided, which is configured for alternate installation therein of different sized filter cartridges. Features of the air cleaner assembly and components for use therewith, are described. Also methods of assembly and use are described. | 05/04/2010 |
| 7655064 | Particulate matter-containing exhaust emission controlling filter, exhaust emission controlling method and device A particulate matter-removing filter being resistant to clogging and ash blocking, requiring no special means such as back-washing and heating combustion, and being formed of inexpensive materials; and exhaust emission controlling method and device using this. (1) A... | 02/02/2010 |
| 7648546 | Filter with variable pleat depth A filter is provided by pleated filter media having a plurality of pleats defined by wall segments extending axially along an axial direction along an axis and extending transversely along a transverse direction between first and second sets of pleat tips at first a... | 01/19/2010 |
| 7625419 | Air filter arrangement; assembly; and, methods An air filter arrangement, an air cleaner assembly including the air filter arrangement and methods of assembly and use are described. An air filter arrangement comprising a serviceable filter cartridge is described. The typical cartridge includes a recessed first f... | 12/01/2009 |
| 7625418 | Spacer arrangement for pleated filter A pleated fluid filter having a pair of spaced longitudinally extending flanks is formed by at least one layer of a fluid filter media. A spacing member is integral with one of the flanks and extends outwardly in contacting relation with an adjacent flank. ... | 12/01/2009 |
| 7588619 | Cross-flow filter media and filter assembly A filter media including a first sheet having an inner surface and an outer surface, a second sheet having an inner surface and an outer surface, wherein the inner surface of the first sheet and the inner surface of the second sheet at least in part define at least ... | 09/15/2009 |
| 7527666 | Honeycomb body with fissured end sides A honeycomb body includes an inlet end side and an outlet end side. Metal sheets are wound, intertwined and/or layered into a multiplicity of sheet metal layers being at least partially structured to form channels leading from the inlet end side to the outlet end si... | 05/05/2009 |
| 7488365 | Filter element using corrugated media sheet A corrugated web having tapered flutes is usable in straight-through flow filter elements. The corrugated web can be made by passage between a pair of corrugated rollers having tapered teeth. Methods of making usable corrugated rollers include methods for generating... | 02/10/2009 |
| 7481863 | Air filter An axial flow filter element having alternating flat and pleated layers of fluid permeable filter media which form channels with an open cross section, one end of a first group of channels and the other end of a second group of channels being tightly sealed such tha... | 01/27/2009 |
| 7442221 | Filter element A filter element, particularly a secondary element for a filter system in the intake tract of an internal combustion engine, which filter element includes a zig-zag pleated filter medium surrounded by a circumferential frame of polyurethane foam. The frame has a sub... | 10/28/2008 |
| 7438812 | Filter element and method of making A filter element (10) is provided which can be used to remove microsize contaminant particles (i.e., about 0.5 μm to about 25.0 μm) from aviation fuel. The filter element (10) includes a cylindrical pleated filter media (14) and an exoskeleton... | 10/21/2008 |
| 7425227 | Pleated filter element with offset emboss pattern A pleated fluid filter element for removing particulate matter from a fluid stream that comprises a pleated filter media provided with a plurality of pleats having peaks and valleys and having a clean and dirty side. The pleated filter media further has arrays of el... | 09/16/2008 |
| 7425226 | Fluid filter with canted fanfold pleats Fanfold filter element has filtering media pleats canted at a predetermined angle relative to a reference plane such that the depth of each pleat is greater than the depth of a mounting frame to increase effective filtering area. The frame is canted by a correspondi... | 09/16/2008 |
| RE40481 | Air filtration device for internal combustion engine Filtration method and device for filtering solid contaminants from a stream of a flowing fluid such as internal combustion engine intake air. An imperforate housing has a tubular inlet exiting at its downstream end into a conically divergent first wall section termi... | 09/09/2008 |
| 7419526 | Conformal filter cartridges and methods Conformal filter cartridges, filtering apparatus using the conformal filter cartridges, and methods of manufacturing the conformal filter cartridges are disclosed. The conformal filter cartridges may include a bed of filter material between a pair of support plates,... | 09/02/2008 |
| 7413588 | High efficiency, low restriction, cost effective filter A filter includes a filter element formed of filter media, and a plastic framework molded and bonded to and structurally supporting the filter media. One embodiment desirably provides a two-component assembly consisting solely of two components, namely the filter me... | 08/19/2008 |
| 7410520 | Foldable filter for an air filtration unit and method A method for packaging, shipping, displaying and positioning a foldable filter having a hinge into an air filtration unit wherein the foldable filter is pivotable about the hinge between a collapsed position and an expanded position. The method includes the steps of... | 08/12/2008 |
| 7407533 | Active filter element for end face incident flow A filter element formed from at least one flat layer of permeable filter medium alternating with at least one pleated layer in such a way that the resulting channels have an open, especially triangular, cross section, a first group of channels being tightly sealed a... | 08/05/2008 |
| 7396376 | Seal arrangement for filter element; filter element assembly; and, methods A filter element arrangement is provided which includes a media pack comprising Z-filter media, a preform and an overmold sealing a portion of the interface between the preform and the media pack, and also forming an air cleaner seal for the filter element. The over... | 07/08/2008 |
| 7396377 | Compact filter comprising a square seal A filter element comprising a spirally wound filter through which a fluid to be filtered flows axially and which is provided with a mounting ring on the circumference of the wound filter secured to the wound filter by a welded, adhesive, extruded or fused joint. The... | 07/08/2008 |
| 7396375 | Air filter having fluted filter media An air cleaner (40) includes a housing (48) and an access cover. The internal volume of the housing (48) can be reached through an opening (70) in a side wall of the housing. A filter element (50) having fluted filter media is remo... | 07/08/2008 |
| 7393375 | Filter element having sealing members and methods A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first se... | 07/01/2008 |
| 7377963 | Adsorption filter and manufacturing method thereof An adsorption filter includes at least one thin plate honeycomb filtering medium carrying a gas-adsorbing medium thereon and a filter case housing the honeycomb filtering medium therein. The thin plate honeycomb filtering medium is disposed in the filter case in suc... | 05/27/2008 |
| 7367998 | Filter element and method for producing it and tank breather filter with a filter element of this kind The invention relates to a filter element (50), in particular for a tank breather filter (10), the filter element (50) being produced from a flat filter material. To form the filter element (50) in such a way that it can be produced at lo... | 05/06/2008 |
| 7364602 | Air cleaner assembly An air cleaner assembly for use with a conventional household air conditioning system with a duct having an opening sized to receive a standard panel filter comprises a peripheral frame sized to be received within the opening in the return duct and sized to receive ... | 04/29/2008 |
| 7364607 | Wrought fiber sheet and filter unit A wrought fiber sheet or air cleaning filter unit that exhibits high performance and is biodegradable so as to enable reducing load upon environment. The wrought fiber sheet is produced by coupling biodegradable fiber sheets having electret properties by means of a ... | 04/29/2008 |
| 7357823 | Disposable filter within a removable chamber A vacuum cleaner includes a housing, a nozzle inlet, a suction generator and a dirt cup. The dirt cup includes a dirt collection chamber, an inlet and an open end. Additionally, the vacuum cleaner includes a filter assembly. The filter assembly includes a filter hou... | 04/15/2008 |
| 7354469 | Vacuum conveyor device with a multi-stage filter system A Vacuum conveyor device (10) with a multi-stage filter system, has at least one inner filter (10A), one outer filter (10B), and one filter adapter (20) especially for air-tight and/or fluid-tight insertion of at least one of the filters,... | 04/08/2008 |
| 7354470 | Multiple retainer bridge A multiple retainer bridge device is provided for securing a utility member (e.g., a magnet or bracket) to posts on a housing member (e.g., a filter housing). When assembled, the utility member is staked onto the posts. A single retainer member prevents the utility ... | 04/08/2008 |
| 7344577 | Filter frame for bag house filter, and method A filter tube frame for use with a filter bag house. The filter tube frame includes an end cap having a pivotable handle attached thereto to facilitate removal of the tube frame from the bag house. The handle includes a lever surface adapted to engage a tube sheet s... | 03/18/2008 |
| 7323105 | High capacity direct flow filter with maintained channel width A direct flow filter includes a pleated filter element filtering fluid flowing axially therethrough parallel to the wall segment pleat tip bend lines. Embossments on the wall segments have a height extending along a lateral direction into a respective flow channel t... | 01/29/2008 |
