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| Number | Title | Issue Date |
| 8038877 | Oil filter apparatus The invention relates to an oil filter apparatus comprising an oil inlet and an oil outlet, with a suction oil pump being connectable to the oil outlet with which a negative pressure can be produced between the oil inlet (and the oil outlet, a coarse filter medium a... | 10/18/2011 |
| 7959010 | Standpipe with integrated regulator valve An apparatus, system, and method for bypassing a fuel filter pressure regulation valve which includes a bypass window and bypass passage. The bypass passage window is positioned in the top of a standpipe of a filter. The filter includes a filter cartridge with top a... | 06/14/2011 |
| 7743928 | Integrated apparatus and methods for treating liquids A passive self energized, liquid device operates entirely on capillary action. A microfilter fractionates nanoliter volumes of suspension such as whole blood into suspended particles or cells and liquid fractions. Blood, for example, is fractionated with minimal cel... | 06/29/2010 |
| 7708147 | Fluid filter assembly with notched case A fluid filter assembly comprises a filter and a case. The case defines a filter chamber receiving the filter. The case comprises a notch extending into the filter chamber and engaging the filter. ... | 05/04/2010 |
| 7438800 | Arrangement for filtering hydraulic fluid An arrangement for filtering a hydraulic fluid having a bypass line connecting the feed channel to the discharge channel where the bypass line is opened by a pressure switching valve when a pressure change is caused by the contamination of the filter element. ... | 10/21/2008 |
| 7429324 | Device for in-line preparation of liquid for an extracorporeal blood treatment apparatus A method for in-line preparation of liquid for an extracorporeal blood treatment apparatus that makes provision for placing a filter in correspondence with each of two successive filtration stations, for carrying out a liquid preparation cycle, for removing the filt... | 09/30/2008 |
| 7389883 | Filter cartridge A filter cartridge which comprises a filter pack (3) formed by a flat filtering medium, a tubular sheath (2) with a perforated wall, surrounding the filtering pack, and two respective end caps (5) having a first disc (16) and a second dis... | 06/24/2008 |
| 7311689 | Method and apparatus for peripheral vein fluid removal in heart failure A method and apparatus for ultrafiltration of blood operating by removing blood from a peripheral blood vessel at a rate of less than two percent of total cardiac output of a patient, extracting fluid at a rate of 0.1 liter to 1.0 liters per hour while retaining cel... | 12/25/2007 |
| 7303672 | Liquid/solid separator and method A liquid/solid separator system mounted on a mobile cart and connected to a process tank for reducing the rate at which fluids are consumed in manufacturing processes. The system may include automation and also may include a shear-stepped screen including tilted wir... | 12/04/2007 |
| 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 |
| 7294264 | Sprayer purifier cartridge system A sprayer purifier cartridge system is disclosed. In one non-limiting embodiment, the sprayer purifier cartridge system includes a sprayer for spraying water and a purifier cartridge for purifying water. In this embodiment, the sprayer has a receiving structure for ... | 11/13/2007 |
| 7279091 | Filter device A filter device has a filter housing (10) receiving a first filter element (12), through which a medium may flow in a given direction, and has a bypass device (22). Along with the first filter element (12), a second filter element (32 | 10/09/2007 |
| 7264724 | Fluid path control element for fluid processing module A fluid path control element which when stacked alternatively with a fluid porous sheet can be formed into a filtration module. The fluid path control element comprises a porous membrane having sealed to a portion of its periphery a thermoplastic element that extend... | 09/04/2007 |
| 7229562 | Integrated dual cross flow filtration and ultrasonic transducer assembly A filtration system comprising a filter cassette having integrated ultrasonic transducers incorporated therein, and a method for using the same. The integrated system of filters and transducers can be hardened for use in hazardous environments, and is particularly s... | 06/12/2007 |
| 7192522 | Filtering device incorporating a circulation loop The invention concerns a device for tangential filtering of a fluid to be treated, comprising in a housing (2): a separating part (15) mounted in the first communicating chamber (11), in sealed contact with the... | 03/20/2007 |
| 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 |
| 7160454 | Membrane filter for water treatment The invention relates to a membrane filter for water treatment, comprising a head piece including a permeate collecting chamber with a permeate outlet, and at least one fiber bundle made from capillary membranes, which are secured into the head piece with an end tha... | 01/09/2007 |
| 7150830 | Permselective membrane module Disclosed is a permselective membrane module comprising i) two permselective membrane elements formed of hollow fibers arranged substantially in parallel and bundled together and ii) a container, the two elements being arranged in the container longitudinally of the... | 12/19/2006 |
| 7135114 | Filtration device In a filtration device (1) comprising a pressure-resistant housing (2) with a liquid inlet opening (3) and an outlet opening (4) for filtered matter, into which a collecting channel (12) terminates, at least one filter element (... | 11/14/2006 |
| 7112275 | Water tank filter and purifier A water tank filter having a double structure including an inner filter having a small pore size for trapping fine particles of filth from tank water and situated within a hollow outer filter having a large pore size for trapping coarse particles of filth. The inner... | 09/26/2006 |
| 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 |
| 7094337 | Overflow chamber An overflow chamber (2) is provided for use in a combined sewer overflow. An inlet (12) and an outlet (14) open into the chamber (2) below a screen (20), and an overflow outlet (15) opens into the chamber above the screen. B... | 08/22/2006 |
| 7067060 | Ionic enhanced dialysis/diafiltration system A dual-stage system and methods for using the same include first and second filtration cartridges is provided and is particularly suited for hemodiafiltration and/or hemodialysis. As fluid enters the first filtration cartridge, the hydroxyl ion concentration and hen... | 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 |
| 7037424 | Connector apparatus and system including connector apparatus A connector apparatus is provided which is configured to replace a separation module in a system for dispensing a fluid. When it is desired to purge the system of a dispensed fluid, the connector apparatus, having the same configuration of an inlet and an outlet as ... | 05/02/2006 |
| 7022223 | Methods and systems for removing floating solid waste from the surface of a watercourse A floating pond skimmer is coupled by a fluid conduit to a remote filter/aerating apparatus. The skimmer sucks a mixture of solids and water, grinds/chops the solids, and pumps the reduced solids and water through the conduit to the filter/aerating apparatus which s... | 04/04/2006 |
| 6998045 | Spin-on filter including improved sealing arrangement and filter head therefor A fluid filter assembly includes a housing having a closed end and an open end; a filter element operably oriented in the housing; a baffle plate mounted to operably cover the housing open end; the baffle plate including a first axial face and an outer circumferenti... | 02/14/2006 |
| 6969460 | Graywater diverter vessel assembly A graywater diverter vessel assembly (as shown in FIG. 2) comprises a cylindrical side vessel 4 and valve diversion assembly 1, 2, 16. The device fits onto a vertical wastewater pipe 9, wherein a user can by closing the valve 1, di... | 11/29/2005 |
| 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 |
| 6953529 | Apparatus and method of particulate removal from liquids A method and apparatus for particulate removal from liquids is disclosed and includes a Coanda tilted wire wedge wire screen in combination with a liquid-flow velocity control orifice mounted within a cylindrical air-tight vessel that can be operated under pressure.... | 10/11/2005 |
| 6936169 | Liquid filter, especially an oil filter The invention relates to a liquid filter, especially an oil filter, for cleaning lubricating oil, especially for internal combustion engines of automobiles, comprising an upright filter housing which contains a receiving area for a ring-shaped filter insert that is ... | 08/30/2005 |
| 6936161 | Fluid filter apparatus A fluid filter apparatus includes a filter element located in a filter chamber formed in a filter housing. A valve unit is located in a passageway formed in the filter housing to control flow of fluid into or out of the filter chamber. ... | 08/30/2005 |
| 6932907 | Fluid treatment elements A fluid treatment element comprises a fluid treatment pack including a fluid treatment medium. The fluid treatment pack has a hollow interior and a barrier is disposed in the hollow interior. The barrier separates a blind region in which fluid cannot flow between th... | 08/23/2005 |
| 6926821 | Water treatment device with volumetric and time monitoring features A totalization meter system for a water treatment device, the device having an inlet aperture and an outlet aperture, and a channel for channeling water between the inlet and outlet apertures. A flow reactive device is positioned in the channel and is exposed to the... | 08/09/2005 |
| 6918886 | Membrane module for the hemodiafiltration with integrated pre- or postdilution of the blood A membrane module for hemodiafiltration having a cylinder-shaped housing and a bundle of hollow-fiber membranes capable of supporting fluid flow and arranged in the direction of the longitudinal extent of the housing. The ends of the hollow-fiber membranes are embed... | 07/19/2005 |
| 6913691 | Controlled dosing of chlorine dioxide or other sanitizing agents into pressurized water systems A medium having a support structure configured for circulation of a fluid therein, such as a replaceable filter cartridge, including a sanitizing agent which contains one or more reactants that are chemically configured for delivering chlorine dioxide or other sanit... | 07/05/2005 |
| 6902671 | Chemical process system with multi-functional barrier filter A barrier filter useful for aseptically discharging both gaseous and liquid fluids from a chemical process system is disclosed The barrier filter comprises, within a common enclosure, one or several filter membranes having singularly or collectively a mixture or hyd... | 06/07/2005 |
| 6899742 | Cleaning arrangement for a suspended particle filter In a cleaning arrangement for a filter element disposed in a gas flow channel and including a plurality of filter pockets, a flow blocking element arranged adjacent the filter element at the downstream side thereof and having openings movable with the flow blocking ... | 05/31/2005 |
| 6893563 | Cross-flow filter with self-regulating transmembrane pressure Cross-flow filters having improved uniformity in transmembrane pressures and consequent much greater flux are provided by the installation of barriers in permeate channels. ... | 05/17/2005 |
| 6890441 | Hydraulic annular washing column, and process for separating solids from a suspension An apparatus for separating solids from a suspension includes a hollow cylindrical column having a central axis therethrough. The column has an interior with a cross-section, perpendicular to said axis, that is constant along said axis, and that extends from a first... | 05/10/2005 |
