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| Number | Title | Issue Date |
| 8187353 | Filtration structures for improved particulate filter performance A particulate filter may comprise an inlet end, an outlet end, and a plurality of channels disposed and configured to flow fluid from the inlet end to the outlet end, wherein the channels are defined by porous walls configured to trap particulate matter. The porous ... | 05/29/2012 |
| 8167969 | Snapband filter design for horizontal bottom access collector A horizontal dust collector includes a plurality of elongated filter elements in a horizontally-oriented array, each filter element connected at one end to a tube sheet, and at an opposite end to a support plate. The one end of each filter element is fitted with a s... | 05/01/2012 |
| 8152886 | Filter arrangement A filter arrangement for removing impurities from a fluid is disclosed, the filter arrangement (10) includes a plurality of screen portions (18, 20) through which the fluid passes. The screen portions include a first screen portion (18) and a se... | 04/10/2012 |
| 8097060 | Laminate filter A filter includes a spacing member and a filter element having two layers laminated together with the spacing member such that the spacing member extends between the filter element layers. The spacing member spaces apart the filter element layers to define an openin... | 01/17/2012 |
| 8070847 | Substrate having corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines A substrate has corrugated sheet(s) and channel(s) for treating exhaust gases of combustion engines. The present invention also relates to methods for manufacturing and using the substrate having the open channel(s). The substrate (1) includes at least one co... | 12/06/2011 |
| 7951219 | Cast formed filter and method of making the same A cast formed filter and a method for making the filter are provided. The cast formed filter includes a cast formed filter media having an inlet end, an outlet end, a plurality of inlet openings, a plurality of outlet openings, and a fluid path. The plurality of inl... | 05/31/2011 |
| 7947101 | Reduced adhesive filter assembly 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-pleated regions arranged in non-linear orientation. In one embodiment, a filter assembly includes a media pack defined ... | 05/24/2011 |
| 7931723 | Filter assembly with pleated media pockets, and methods A panel filter for removal of contaminants from a gas, the panel filter having at least one V-pocket formed of two halves, each half composed of multiple pleats of filter media. The pleats extend generally parallel, often at an angle of less than 5 degrees or even l... | 04/26/2011 |
| 7867312 | Trap device A trap device (18) for removing species from a gas stream drawn from an enclosure by a vacuum pump is described, the device (18) comprising a casing having an inlet (16) for receiving the gas stream, an outlet (20) for exhausting the gas ... | 01/11/2011 |
| 7833308 | Filter assembly with multiple inlets and multiple filter members The present invention discloses a filter assembly which includes a compartmented housing structure having a plurality of inlets and an outlet. A first inlet is positioned in flow communication with a first chamber portion and a first filter member. A second inlet is... | 11/16/2010 |
| 7828869 | Space-effective filter element A filter element is provided with a space-effective construction facilitating efficient space utilization in applications of constrained space requirements. ... | 11/09/2010 |
| 7824460 | Diesel particulate filter assembly A filter assembly is disclosed herein the filter assembly comprising: a plurality of stackable elements each comprising a frame defining a perimeter surrounding a filter media disposed within the frame, the filter media being configured for use as a diesel particula... | 11/02/2010 |
| 7789926 | Axial flow filter element In a filter housing (100) for at least one axial flow filter element (70) capable of receiving axial flow between its end faces and having at least one continuous sealing collar on its outer circumference which can be pressed against a sealing flange (... | 09/07/2010 |
| 7785384 | Pleated diesel particulate filter assembly A filter assembly is configured to be incorporated into an exhaust treatment device. The filter assembly comprises a frame, a filter media element, and a plurality of dividers supporting the filter media element within the frame. The frame has a first end and a seco... | 08/31/2010 |
| 7740678 | High capacity filter A filter element has first and second subelements providing increased media providing improved performance and packaging options. The first and second subelements provide first and second flow paths in parallel with each other along designated flow path portions. | 06/22/2010 |
| 7708794 | Separator made of a fibrous porous material such as a felt A separator is made of a porous material and is intended to treat gaseous effluents which contain particles whose size is substantially less than one micrometer or of the order of one micrometer. The porous material includes channels. The channels are delimited by a... | 05/04/2010 |
| 7641708 | Air filter assembly having non-cylindrical filter elements, for filtering air with particulate matter An air filter assembly for removing particulate matter from an incoming dirty air stream. The assembly includes a housing having an inlet, an outlet, a dirty air chamber and a clean air chamber and a non-cylindrical shaped elongated filter element arranged within th... | 01/05/2010 |
| 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 |
| 7419525 | Filter and method of making A filter, comprising: a plurality of individual elongated members arranged into a configuration, each of the plurality of elongated members having an internal cavity extending completely therethrough, the plurality of individual elongated members being formed from a... | 09/02/2008 |
| 7413587 | 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.... | 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 |
| 7404839 | Filter assembly and adaptor A device for adapting a cover for an existing air filter assembly to seal an end portion of a replacement cylindrical air filter having a round cross-sectional shape is disclosed. The cover has a plate with a radially inner convex guide separated from a radially out... | 07/29/2008 |
| 7393376 | Ceramic filter for exhaust gas emission control A ceramic filter assembly that resists cracking. The ceramic filter assembly is formed by integrating a plurality of columnar honeycomb filters made of a porous ceramic sintered material with a ceramic sealing material layer and formed to have a substantially ellipt... | 07/01/2008 |
| 7390340 | Filtration apparatus A filtration apparatus for use in a system containing a gas or vapor to be cleaned. The apparatus has at least one housing for a filter that removes contaminants from a gas or vapor. The housing contains an inlet portion and an outlet portion in association with val... | 06/24/2008 |
| 7387657 | Honeycomb structural body A honeycomb structural body is constituted with a ceramic block comprising a plurality of through-holes arranged in a longitudinal direction and separated from each other through partition walls, either end portions of which through-holes being sealed. The ceramic b... | 06/17/2008 |
| 7384441 | Honeycomb filter There is provided a honeycomb filter obtained by bonding, into one piece, a plurality of honeycomb segments comprising partition walls having filtering function, and a number of through-holes divided from each other by the partition walls and extending in an axial d... | 06/10/2008 |
| 7347042 | Exhaust gas filter and method for cleaning an exhaust gas An exhaust gas filter for cleaning an exhaust gas of an internal combustion engine, includes at least one strip-shaped filter layer. The filter layer has at least one filter region formed of a material through which a fluid can at least partly flow, for filtering ou... | 03/25/2008 |
| 7344576 | Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids Methods of separating fluids using capillary forces and/or improved conditions for are disclosed. The improved methods may include control of the ratio of gas and liquid Reynolds numbers relative to the Suratman number. Also disclosed are wick-containing, laminated ... | 03/18/2008 |
| 7344580 | Filter unit Converting machines give rise to polluted air which must be removed with the aid of fans and filters. The invention aims at removal of the polluted air in such a way that the servicing interval is greatly extended by the use of a filter unit having a number of part-... | 03/18/2008 |
| 7341614 | Filter and filter assembly The invention provides a filter that has a plurality of through holes and satisfies the expression 2.5×A/B+52.5≦C≦2.5×A/B+60.2 (A≦20, 0 | 03/11/2008 |
| 7332014 | Ceramic structure, method of manufacturing ceramic structure, and device for manufacturing ceramic structure A ceramic structure includes a plurality of porous ceramic members each being warped, each of the plurality of porous ceramic members having a bonding portion and end portions at both ends of each of the plurality of porous ceramic members in a longitudinal directio... | 02/19/2008 |
| 7332012 | Multi-stage filtering apparatus A filtering apparatus having a filter retrieval apparatus, an integrated jib, and a clamping assembly for providing a seal between a filter and a cabinet. ... | 02/19/2008 |
| 7329310 | Filter module The invention relates to a filter module having a module housing and at least one filter element. The filter module has at least one inlet opening, at least one filtrate outlet and a module housing having at least one joint line. ... | 02/12/2008 |
| 7326271 | Honeycomb filter and method of manufacturing the same A honeycomb filter 1 includes a cylindrical honeycomb structure 2 having a plurality of cells 4, and plugging members 7 disposed to alternately plug openings 5 of predetermined cells 4a on the side of one end face ... | 02/05/2008 |
| 7320717 | Industrial scale honeycomb type dust collector A dust collecting filter such as a honeycomb-type industrial filter for the industrial filtering of gas containing solid particles is provided. The filter includes a plurality of collateral inlet and outlet channels separated by shared filtering boundaries. The inle... | 01/22/2008 |
| 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 |
| 7316722 | Honeycomb structure An object of the present invention is to provide a honeycomb structural body (filter) which has a low pressure loss upon collecting particulates, makes it possible to deposit a great amount of particulates and ashes, and is less likely to produce cracks. The columna... | 01/08/2008 |
| 7316721 | Ceramic foam insulator with thermal expansion joint A canister for maintaining entrained particles in a gas stream passing there through. The canister has an outer annular member and an inner porous annular member. The inner porous annular member has rings with at least one expansion zone in each ring. An annular int... | 01/08/2008 |
| 7316736 | Carbon filter panel for an air cleaner A carbon filter panel for an air cleaner is provided according to an embodiment of the invention. The carbon filter panel includes a frame including one or more side members and a frame interior space and a plurality of spaced-apart carbon elements extending across ... | 01/08/2008 |
| 7314501 | Methods and device for filtration of exhaust gases for a diesel engine with a filtration surface which is variable by means of controlled obstruction A method in which all or some of the particles contained in the exhaust gases of a diesel engine are retained on particle filters and burnt due to the action of a combustion catalyst. At least a part of the particle filters are obstructed when the temperature θg of... | 01/01/2008 |
