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| Number | Title | Issue Date |
| 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 |
| 7360611 | Flow system for a hydraulic choke solids strainer A strainer system having two separate strainers positioned in parallel, where one strainer can be cleaned while still permitting normal flow through the other strainer. The system flow circuit is arranged so that a high pressure backwashing flow can be applied to on... | 04/22/2008 |
| 7329296 | Filter bag and a filter device provided with such filter bag A filter bag (1) for a filter device includes a tubular, flexible, air-penetrable filter body (6) provided with a suspension arrangement at an unfolded end thereof. The suspension arrangement includes a rigid ring element (7) with outwardly prot... | 02/12/2008 |
| 7282142 | Fluid strainer assembly A fluid strainer device is disclosed. The device includes a housing which defines an open chamber, the chamber having both at least one fluid input port and at least one fluid outlet port. A plurality of spaced strainer baskets are disposed within the chamber. Each ... | 10/16/2007 |
| 7195617 | Device for collecting surgical material A collection device for collecting material during a surgical procedure includes a collection chamber defined by an encompassing wall and having an opening sufficient for permitting collection of the material during the surgical procedure. A wicking material is posi... | 03/27/2007 |
| 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 |
| 7166210 | Oil filter cartridge The present invention relates to small vehicles such as lawn and garden tractors and more specifically to an oil filter cartridge or assembly usable with the transmissions of such vehicles. The cartridge is comprised of a filtering element, a strainer element and a ... | 01/23/2007 |
| 7163635 | Integrated below-ground vault with a filtered catch basin The invention relates to an integrated belowground vault with filter catch basin, that allows the runoff water to enter into a belowground two-part vault passing through a commercially available replaceable filter before being transferred out to the sewer, flood con... | 01/16/2007 |
| 7108786 | Filtration apparatus A filtration apparatus having a cover pivotably installed through a hinge mechanism has a casing bracket secured to a casing flange and a cover bracket secured to the cover. A pin is inserted through insertion holes in side walls of the casing bracket and through in... | 09/19/2006 |
| 7101479 | 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 ... | 09/05/2006 |
| 7094344 | Filter device The present invention relates to a filter device for removing impurities contained in liquid. A filter housing 18 is provided with a container for accommodating a filter bag 2 therein, a deposit recovery tank 3 for recovering a deposit and a flo... | 08/22/2006 |
| 7090772 | Filter bag assembly A filter bag assembly includes an outer bag having an open end, a closed end opposite the open end, and a longitudinal axis. The open end of the outer bag is sized and shaped for receiving liquid to be filtered. A filter member is loosely mounted in the outer bag an... | 08/15/2006 |
| 7073670 | High capacity depth filter bag A filter element for hydrocarbon emissions in, e.g., marine diesel engine applications, comprises a wound mat received within a filter bag. An annular end cap is bonded to one end of the wound mat, and is sealed around its periphery to a bag ring at the open end of ... | 07/11/2006 |
| 7066337 | Reusable filter port assembly for installation on the wall of a bag A reusable filter port assembly is installable on the wall of a sterilizable cultivation bag, such as is used in the cultivation of mushrooms. A grommet and locking collar are removably installed in the wall of the cultivation bag or pouch to provide gas flow commun... | 06/27/2006 |
| 7063783 | Strainer A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis... | 06/20/2006 |
| 7056432 | Tank mounted oil filter assembly The present invention relates to small vehicles such as lawn and garden tractors and more specifically to an oil filter assembly used with the transmissions of such vehicles. The filter assembly is housed within the transmission case to reduce mounting brackets outs... | 06/06/2006 |
| 7011754 | Filtering device having filter bag seal A filtering device includes a container, a cover attached on top of the container having a space communicating with an inlet opening and a chamber of the container, and a filter screen received in the container for filtering the fluid from the inlet opening to the c... | 03/14/2006 |
| 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 |
| 6989092 | Bailer having built-in filter In a first embodiment, a top-emptying bailer has a cylindrical filter positioned within a hollow interior of the bailer. A bottom, leading end of the filter is capped by an imperforate bottom fitting having an insert that fits into the hollow interior of the filter.... | 01/24/2006 |
| 6976546 | Drilling mud filtration device A filter system for filtering drill bit cuttings, shavings, and other abrasive articles from a drilling mud that is passed through an oil or gas well drilling system is provided that includes an overhead drilling system, a drill string connected to the overhead dril... | 12/20/2005 |
| 6966444 | Filter with snap-fit filter bag A filter element includes a bag ring which is snap fitted into the filter vessel sidewall and retains both the filter element and a filter basket in the desired location in the vessel until removed. ... | 11/22/2005 |
| 6955266 | Strainer A conduit has a first end and interior and exterior surfaces extending downstream from the first end. A strainer has a first end and a second end. An upstream portion of the strainer is positioned engaging a projection on the interior surface of the conduit to resis... | 10/18/2005 |
| 6949188 | Filter assembly having improved sealing features A filter assembly including a filter housing defining an interior chamber with an open end, a filter disposed within the interior chamber, and a cover removably positioned over the open end to enclose the interior chamber. The filter housing defines an axially-facin... | 09/27/2005 |
| 6929742 | Fine filter for a fuel feed unit In the case of a fine filter for a fuel feed unit of a motor vehicle, a filter element has at least two sections which surround the fuel feed unit concentrically. In the fitted state of the fine filter, the sections are fastened to the fuel feed unit and to a surge ... | 08/16/2005 |
| 6886698 | Apparatus for removing pyrophoric catalyst Spent pyrophoric reaction catalyst from a reaction mixture is removed safely, cheaply, and rapidly using a single plate pressure filter. After hydrogenation, the reaction mixture is decanted, the desired hydrogenation product is removed, and catalyst-rich material w... | 05/03/2005 |
| 6863831 | Filtration device Filtration device comprising an inlet for the supply of the liquid to be filtered and means for holding a filter crossing the flow path beyond the inlet. The inlet opens into an annular intermediate passage which narrows down in the flow direction to an annular slit... | 03/08/2005 |
| 6827852 | Fluid filter The invention is directed to a fluid filter having a housing assembly defining a chamber through which fluid to be filtered can flow between an inlet and an outlet, a filtering assembly within the chamber through which fluid moving between the fluid inlet and fluid ... | 12/07/2004 |
| 6749746 | Catch basin trap with filter An assembly for mounting in a side wall opening of a catch basin side wall and convertible into a trap for reducing the amount of matter being carried out of the catch basin by drainage water exiting the catch basin. The assembly includes a first trap member having ... | 06/15/2004 |
| 6706174 | Hot tub filter assembly A filter assembly is for use in a water by-pass compartment of a hot tub. The filter assembly comprises an open-top housing and an operably associated filter basket. The housing is for placement in the by-pass compartment. A support member is positioned within the h... | 03/16/2004 |
| 6699387 | Waste water filter having multiple wall filter elements and outlet protection A waste water filter comprises a shield comprising a vertical peripheral wall defining a shield interior. The shield further includes an inlet for the entry of unfiltered wastewater into the shield interior. A shield filter element is disposed within the ... | 03/02/2004 |
| 6616836 | Filter element for oil pans and filter element/oil pan combination A filter/oil pan assembly for use in devices such as transmissions for vehicles and for use as oil pans in internal combustion engines includes a housing having an upper chamber and a sump, wherein a filter element is disposed between the upper chamber an... | 09/09/2003 |
| 6572765 | Filtering system for swimming pool A filtering system for swimming pools includes a cylindrical filter housing in which a filter bag is supported in a perforated liner. A skimmer housing is mounted on the cylindrical housing and skims water off of the surface of the pool, which communicate... | 06/03/2003 |
| 6547966 | In-line basket filter for a spray spout assembly A hand held spray spout (10) has a basket filter (26) seated against an anti-siphon valve (24) proximate the base end of a water passage (12) within the spout. The filter has a plurality of protrusions (50) mounted within the inner diameter of the valve (... | 04/15/2003 |
| 6537448 | Floor sink filter basket A plastic floor drain for use with a floor sink in which a thin lip is provided around the outside of an upper edge to provide good engagement with the sides of the floor sink to prevent leakage between the sides of the floor sink and the sides of the flo... | 03/25/2003 |
| 6517919 | Laminate and pulse jet filter bag A laminate product is provided. The laminate product includes a first layer of porous expanded polytetrafluoroethylene membrane, and a second layer of woven fabric of polytetrafluoroethylene containing yarn. The membrane preferably has an air permeability... | 02/11/2003 |
| 6494325 | Toilet water-line filter A toilet water-line filter (10) that is designed to protect a toilet's fill valve (62) from the intrusion of potentially damaging debris such as rocks, vegetation, etc. The filter (10) is comprised of a housing (12) and an internal filter (34) which consi... | 12/17/2002 |
| 6475379 | Recharge and filter cartridge A recharge and filter assembly includes a housing with a removable recharge and filter cartridge. The housing includes a canister with a removable cover allowing access to the cartridge. The cartridge includes a filter element comprising a ring of media a... | 11/05/2002 |
| 6460894 | Fluid line with a filter insert A fluid line with a filter insert. The fluid line is adapted for efficient, safe transfer of fluids for fueling of vehicles. The fluid line includes a tubular housing with a filter element positioned therein. The fluid line also includes a slide-over or t... | 10/08/2002 |
| 6409916 | Filter element for pool-cleaning device The invention provides, in combination with a swimming pool cleaning device comprising an outer shell with a detachable lid, the outer shell being open at its lower end, and an inner shell spaced apart therefrom, open at its upper end and accommodating an... | 06/25/2002 |
| 6406625 | Spring-biased filter assembly A spring-loaded filter assembly for a liquid dispenser is disclosed that permits ready removal of a filter element from a filter housing. The filter assembly includes the filter housing having a liquid inlet, a liquid outlet, and a liquid passageway betwe... | 06/18/2002 |
