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| Number | Title | Issue Date |
| 7611559 | Filter element A filter element (1) with a tubular folded bag (2) of folded filter material, which has a plurality of fold blades (3) adjacent each other in the longitudinal direction (10) of the folded bag (2) a closure cover (4) is attac... | 11/03/2009 |
| 7435278 | Deep filter element suitable for replacing a shallow filter element and having a support frame made from thin stock A deep format filter element has a peripheral frame with outwardly protruding mounting flanges. The mounting flanges simulate the periphery of a shallow format filter element to allow the deep format filter element to replace the shallow format filter element in man... | 10/14/2008 |
| 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 |
| 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 |
| 7387654 | Screen assembly kit for an air processing unit A screen assembly, associated kit and method of forming the same. The screen assembly is adapted to filter intake air passing through an exterior surface of an air processing unit, and includes a substantially rectilinear screen mesh having opposing top and bottom e... | 06/17/2008 |
| 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 |
| 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 |
| 7332011 | Equipment air filter assembly A filter assembly for a structure having an air intake, the filter assembly including a filter media that is sized and shaped to cover the air intake. The ends of the filter media are connected by an elastic fastener, such that the filter media and the fastener enci... | 02/19/2008 |
| 7318851 | Filter element A filter element, and filter apparatus, include a filter pack, a seal member, and a seal support frame operatively connecting the seal member to the filter pack. The seal support frame includes an annular extension, which is preferably canted at an oblique angle to ... | 01/15/2008 |
| 7309369 | Filter module The invention relates to a filter module in the form of a hollow body with at least one chamber. The walls of the hollow body are made of a non-metallic material that can be comminuted and/or disintegrated in a recycling process. The material is a paper product, suc... | 12/18/2007 |
| 7294160 | Air cleaner The present invention comprises concerns a novel air cleaner having an inner mesh barrier. This inner mesh barrier has a plurality of openings, and is generally cylindrical, having an inner mesh barrier liner surface, and an inner mesh barrier outer surface. Further... | 11/13/2007 |
| 7288130 | Cassette filter A cassette filter comprising a frame and a pleated filter material that is inserted therein, in addition to a protective grid having passage holes. The protective grid is fastened at a distance from the filter material in the frame and has a flow resistance that is ... | 10/30/2007 |
| 7261818 | Method for the fabrication of a pleated filter A filter is made by the folding of a filter media to pleats after the application of strings of glue thereon and the glue serves as distance elements and fixing for the filter media. The glue contains an expandable filler, that when heated expands to a larger size t... | 08/28/2007 |
| 7261756 | Safety filter element A filter element for filtering fluids and gasses flowing through a filter housing is provided. The filter element includes a permeable filter media for filtration of contaminants and a rigid frame for supporting and retaining the filter media. To ensure that gasses ... | 08/28/2007 |
| 7255723 | Crest supported filter frame assembly and method A fluid pleated filter assembly arrangement including a method and structure wherein crests of the pleated medium are sharp and narrow being enhanced by alignment of the fibers with the direction of fluid stream flow with the crests being supported by a preselective... | 08/14/2007 |
| 7252704 | Filter arrangement and methods A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a... | 08/07/2007 |
| 7217309 | Microporous paper filter for particulates A microporous paper filter (10) for particulates emitted together with the exhaust gases of internal combustion engines, made in the form of a folded up sheet to form a “Greek key” i.e. having several filtering layers (13) placed substantially para... | 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 |
| 7201039 | Axial flow scan testable filter system A filter system having in-situ scan capabilities is provided. In one embodiment of the invention, the system includes a downstream probe which may be rotated to scan the field of a filter installed in the system. The probe may be utilized for leak detection, velocit... | 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 |
| 7169202 | Filter assembly A filter assembly includes a reusable filter frame and a replaceable, pleated, reversibly expandable, self-spacing filter removably arranged in the frame. The self-spacing pleated filter expands uniformly with equal pleat spacing to allow the filter to be easily ins... | 01/30/2007 |
| 7156891 | Forced air system air filter An air filter including a filter media having a plurality of flat pleats defining a plurality of truncated pleat tips and sloping side surfaces along a front face and a rear face. The truncated pleat tips are oriented perpendicular to the direction of pleating and a... | 01/02/2007 |
| 7150774 | Self-spacing pleated filter insert A replaceable, self-spacing, pleated, filter insert that can be easily installed in a reusable filter frame without the aid of a secondary spacing structure includes reversibly collapsible and expandable filter media including a plurality of pleats that expand unifo... | 12/19/2006 |
| 7135052 | Cassette filter A cartridge filter includes a folded package including filter material and a frame holding the folded package. The frame includes a plurality of profiled strips having identical profiles, and each having two ends. The frame also includes a plurality of corner joints... | 11/14/2006 |
| 7097684 | Method of forming combined pleated scrim and filter media materials and product of same A high efficiency fluid filter arrangement wherein a combined layer of scrim and filter media applications is of empirically relatively estimated weight size and depth with intermediate pleat spacing so as to arrive at a combined filtration capability value in keepi... | 08/29/2006 |
| 7097692 | Air filter arrangement and method of making same An air filter arrangement for use in a heating or cooling system including a frame and a filtration member secured within the frame. The frame is defined by a pair of opposed frame components or halves, which are removably or permanently fastened to one another with... | 08/29/2006 |
| 7090713 | Deep filter element suitable for replacing a shallow filter element and having a support frame made from thin stock A deep format filter element has a peripheral frame with outwardly protruding mounting flanges. The mounting flanges simulate the periphery of a shallow format filter element to allow the deep format filter element to replace the shallow format filter element in man... | 08/15/2006 |
| 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 |
| 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 |
| 7041158 | Pre-molded air filter end cap and method of manufacturing an air filter The end cap (2) comprises a cylindrical gasket-type fitting formed of soft, malleable material. The end cap (2) is connected to the end of an air filter (1) with an adhesive (6). The end cap has a general “U” shaped end portion that e... | 05/09/2006 |
| 7041146 | Pre-filters for engine air cleaning systems An air cleaner for a vehicular engine includes a pre-filter which receives air flow containing particulates and a primary filter which receives the air from the pre-filter. The pre-filter removes a first proportion of particulates from the air, and the primary filte... | 05/09/2006 |
| 7008467 | Air cleaner and method of filtering A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally includes a z-filter media, arranged in a straight through configuration, ... | 03/07/2006 |
| 7004989 | Filter assembly with compressed media edge seal Embodiments of a filter assembly and method of fabricating the same are provided. In one embodiment, a filter assembly includes a filter media pack disposed in a frame assembly. A first seal biases the filter media pack against a second seal along at least one edge ... | 02/28/2006 |
| 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 |
| 6997968 | 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... | 02/14/2006 |
| 6994741 | Protective filter cover A protective cover for an engine filter having a cover upper portion and at least one cover sidewall attached to the cover upper portion, wherein the cover upper portion and the at least one cover sidewall form an enclosure, such that an inner perimeter of the enclo... | 02/07/2006 |
| 6994744 | Filter arrangement and methods A filter arrangement includes a first filter element having opposite first and second ends; an axial length between the first and second ends; and a plurality of flutes. Each of the flutes has a first end portion adjacent to the first filter element first end, and a... | 02/07/2006 |
| 6974489 | Method and apparatus for protecting electronic devices against particulate infiltration, excessive heat build-up, and for implementing EMC shielding There is disclosed an apparatus and method for protecting electronic devices against excessive heat build-up and particulate infiltration while implementing EMC shielding. ... | 12/13/2005 |
| 6966940 | Air filter cartridge A filter element, a safety element and fluid cleaner assembly. The fluid cleaner assembly generally includes a housing having a cover and a primary fluid cleaner section. The element generally includes z-filter media, arranged in a straight through configuration, an... | 11/22/2005 |
