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| Number | Title | Issue Date |
| 7614504 | Open-end flow entrance spin-on filter A fluid filter constructed and arranged for threaded engagement with a fluid-delivery head for the filtration of an incoming fluid includes a molded plastic shell having a sidewall formed with a retaining ridge, a closed end and an opened end surrounded by a series ... | 11/10/2009 |
| 7442301 | Filter housing apparatus with rotating filter replacement mechanism A filter assembly for fluid filtration having a push-activated lock and release mechanism. The filter housing has a sump for enclosing the filter media, a filter head, and at least one standoff protruding outwards for use in securing the filter head to a filter mani... | 10/28/2008 |
| 7442291 | Filter integration for a lubrication analysis system A system and method relating to in situ monitoring, analysis, and control of a lubricating material within a lubrication filter assembly is provided. A filter-sensor integration comprises a lubrication filter assembly and at least one lubrication sensing assembly, w... | 10/28/2008 |
| 7435341 | Pressure relief valve for filter assembly An oil filter assembly includes a pressure relief valve adaptable to wide variety of environments while maintaining ease of assembly and manufacture. The pressure relief valve of this invention also occupies a minimal amount of space within the filter assembly as co... | 10/14/2008 |
| 7435345 | Element replacement type filter An element replacement type filter accommodates an element assembly that includes a filter element within a casing formed from a first casing member and a second casing member which are mutually screwable by relative rotation, and provides an anti-loosening mechanis... | 10/14/2008 |
| 7413089 | Reusable cartridge oil filter A replacement filter for conventional throw-away spin-on oil filter cartridge on an internal combustion engine. The replacement filter uses a porous metallic filter element, preferably a woven stainless steel, pleated filter element, within a housing physically simu... | 08/19/2008 |
| 7410575 | Fluid filter and cap member A three-piece filter system comprises a base, a deep pocket filtering media, and a housing shell. The base is adapted to be fitted/threaded onto an engine block, with a sealing surface to provide a seal with the engine block. The filtering media and cap member is pl... | 08/12/2008 |
| 7410580 | Hollow fiber module The invention relates to a hollow fiber separation module comprising an inlet (20) for the gas to be dried, an outlet (22) for dried gas, an access element (26) and a discharge element (28) for circulation gas, and a plurality of hollow f... | 08/12/2008 |
| 7407585 | Water purification system and methods, and module for the system The invention relates to a method and a system for purifying water whereby: the water to be purified is pressurized (13); a pressurized flow of said water is directed onto at least one selective permeability... | 08/05/2008 |
| 7395936 | Filter element with vent orifice and assembly therefore A filter element and assembly for fluid applications which require a purging of air, and particularly for applications where the filter element is horizontally oriented (side loaded), where the filter element is rotationally positioned relative to the housing such t... | 07/08/2008 |
| 7387210 | Filter cartridge and manifold for a water purification system A combined filter cartridge and manifold for use in a water purification system or the like, to facilitate substantially drip-free filter cartridge removal and replacement. The filter cartridge includes water inlet and outlet ports for respective connection with inl... | 06/17/2008 |
| 7387726 | Liquid filter system An oil filter for an internal combustion engine with a cup-shaped housing that is releasably connectable to a receiving head. The housing has a first interlocking element that extends across at least a portion of the outer circumference of the housing and is interru... | 06/17/2008 |
| 7371321 | Fluid filtration system A filtration system (10) for removing contaminants from a fluid is provided. The system includes a housing (44) having a convex shaped base (78) and a top (84), with filter media (46) disposed within the housing. The filter media m... | 05/13/2008 |
| 7357858 | Filter apparatus A filter apparatus is provided for the filtering of substances from a fluid having a filter housing (2) which bounds a filter space (6) and which has an inlet (3) and an outlet (4) for the fluid to be filtered and having a filter element ... | 04/15/2008 |
| 7338599 | Filtration systems and fitting arrangements for filtration systems A filtration system comprising a manifold and a filter having fittings, wherein a carriage supporting the filter is operatively associated with a mounting mechanism to move the fitter between a position in which the filter is spaced from the manifold and a position ... | 03/04/2008 |
| 7332075 | Water filter assembly A water filter assembly comprising a water filter arrangement and a water cooling arrangement in an integral unit. The cooling arrangements are concentrically configured with the cooling arrangement surrounding the filter arrangement. ... | 02/19/2008 |
| 7329337 | Universal filter base and engines using same Filters that remove particulate and other solids from fluids often come in various sizes and include various types of seals. However, filter bases to which the filters are attached are generally manufactured to accommodate only one specific size of filter including ... | 02/12/2008 |
| 7314558 | Pleated panel fluid filter A pleated panel fluid filter filters fluid flowing along an axial flow direction and includes angled panels and/or progressively increasing flow channel width and/or skewed panel projections and/or flattened pleat tip bend lines. ... | 01/01/2008 |
| 7311208 | Environmentally friendly filter cartridge A filter cartridge which is environmentally friendly in that it is made up of components which are all incinerateable. The ends of a filter element are sealed using potting compound and plastic endcaps. The upper endcap, which is closed, has a pressure relief apertu... | 12/25/2007 |
| 7306111 | Filter housing A filter housing having radial sealing means is disclosed herein. Push-button actuated clamps can be used to attach the head to the sump for easy opening and closing the filter housing when replacing the filter cartridge. The filter housing of the present invention ... | 12/11/2007 |
| 7303673 | High-pressure spin-on filter assembly A high-pressure spin-on filter assembly is provided that utilizes a two-piece cover assembly to hold or sandwich the housing in place once the housing is folded over the inner cover member. This design allows for the outer cover member to be interchanged to fit mult... | 12/04/2007 |
| 7299932 | Oil filter An oil filter is provided which comprises a housing main body, a cover attached to the housing main body on the lower side thereof, an inner tubular member axially movably disposed in a recessed portion of the housing main body, a seal member interposed between the ... | 11/27/2007 |
| 7300581 | Remote mountable filter assembly A filter assembly capable of being directly mounted to a transmission housing or to a structure other than the transmission housing. The transmission housing includes a cavity, or groove that receives a sealing device, which is used when the filter assembly is to be... | 11/27/2007 |
| 7297255 | Mass or energy transfer cartridge and module A mass transfer or energy transfer module is provided which includes a manifold, a cartridge and a bowl which houses the cartridge. The cartridge and bowl are connected to each other at least two flanges which fit into slots of the bowl to form a unitary constructio... | 11/20/2007 |
| 7294262 | Modular fluid treatment apparatus Some embodiments of the present invention provide a modular fluid treatment assembly and method in which modules of the system each have a head that can be connected to one or more heads (of one or more other modules) in different configurations. In some embodiments... | 11/13/2007 |
| 7267768 | Liquid filter A liquid filter, in particular for internal combustion engines, having a filter housing with an essentially hollow cylindrical filter element arranged therein in a sealing manner to separate an unfiltered liquid side of the filter from a filtered liquid side. The fi... | 09/11/2007 |
| 7261815 | Water filter for refrigerator water dispenser A water dispenser in a refrigerator door can include a filter casing in the door opening into the bottom of the dispenser housing. The filter casing can include a top wall positioned in the bottom of the dispenser housing, a head assembly at the bottom of the filter... | 08/28/2007 |
| 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 |
| 7258718 | Filter element, particularly for cleaning combustion air A filter element, in particular for cleaning combustion air for internal combustion engines, arranged in a filter housing composed of a filter medium having at least one end face on which a resilient, synthetic resin sealing bead is arranged which contacts a sealing... | 08/21/2007 |
| 7247245 | Filtration cartridge and process for filtering a slurry A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the la... | 07/24/2007 |
| 7237681 | Ring filter element for a liquid filter A ring filter element is provided for a liquid filter, especially for an oil filter for purifying lubricating oil, especially for an internal combustion engine of a motor vehicle. The ring filter element comprises a filter material which is arranged in an annular ma... | 07/03/2007 |
| 7232034 | Oil filter An oil filter is provided which comprises a housing main body, a cover attached to the housing main body on the lower side thereof, an inner tubular member axially movably disposed in a recessed portion of the housing main body, a seal member interposed between the ... | 06/19/2007 |
| 7232035 | Liquid filter with directional fluid insert A filter assembly for removing particulate contaminants from a fluid, comprises a annular filter element having first and second ends, a filter housing containing the filter element and having first and second ends and a substantially cylindrical side wall defining ... | 06/19/2007 |
| 7214314 | Cleaning apparatus and method A portable cleaning device for removing sediment from an enclosure retaining water. The cleaning device includes a pump, a housing, and a receptacle. The pump creates a fluid flow through the cleaning device. The cleaning device draws water from the enclosure into t... | 05/08/2007 |
| 7182858 | Multiple barrier filter apparatus A filter apparatus is provided which includes a first filter membrane element (40a), and a second bacterial filter membrane element. The first viral filter element (40a) is capable of treating water at a first second flow rate and is adap... | 02/27/2007 |
| 7175761 | Fluid filter assembly A filter assembly has a housing open at one end, with an annular filter media/core assembly disposed in the housing. An end plate having at least two inlet openings and an outlet opening is disposed in the open end of the housing. The end plate is affixed to a lid w... | 02/13/2007 |
| 7172693 | Quick change filter and bracket with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 02/06/2007 |
| 7169302 | Filter cartridge construction A filtration module (10) is provided which includes a manifold (12), a filter cartridge (16) and a bowl (14) which houses the filter cartridge (16). The filter cartridge (16) and bowl (14) are connected to each other ... | 01/30/2007 |
| 7153425 | Process and filter for filtering a slurry The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo... | 12/26/2006 |
| 7147772 | Low spillage replaceable water filter assembly A filter assembly includes a water filter assembly having a filter element sealingly disposed in a cartridge, and having an inlet and an outlet, the water filter assembly being substantially dripless when charged with water and disposed substantially horizontally. A... | 12/12/2006 |
