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| Number | Title | Issue Date |
| 8025156 | Method and apparatus for separating and dewatering slurries A vertical cylindrical dewatering apparatus for dewatering fibrous slurries, slurry of manure and water, or other similar slurries. The apparatus includes a housing that includes a defined chamber having an enclosed top end with a slurry injector into the chamber, a... | 09/27/2011 |
| 7597201 | Device for cleaning fibrous suspensions for paper production A device for cleaning a suspension, preferably a fibrous suspension for paper production. The device includes a screen basket, on the exterior surface of which the suspension to be cleaned is supplied and from the interior surface of which the screened accepted stoc... | 10/06/2009 |
| 7390419 | Waste water recovery system A waste water recovery system to filter and recirculate waste water to a wash system including a fluid recovery line, a fluid supply line and a fluid backwash line comprising a filter assembly including a water filtering section to receive waste water from the wash ... | 06/24/2008 |
| 7371322 | Filtration system and dynamic fluid separation method A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work... | 05/13/2008 |
| 7344033 | Solid-liquid separator To provide a solid-liquid separator in which a treatment object such as sludge can be transported without clogging, liquid can be efficiently separated from the treatment object, and a maintenance operation can be easily conducted. Movable plates 12 and fixed... | 03/18/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7320750 | Centrifuge with controlled discharge of dense material A centrifuge with controlled discharge of dense materials disclosed. A centrifuge includes a fluid separation wall placed within a sleeve to form a containment zone therebetween. The fluid separation wall aligns and rotates parallel to an axis of rotation. A recepta... | 01/22/2008 |
| 7311828 | Wall mount for water treatment system A wall mount for attaching water treatment system to a wall plate consists of a platform and a vertical portion. The water treatment system rests on the platform. The water treatment systems extend through the back of the wall mount and extend through passages in th... | 12/25/2007 |
| 7294274 | Filtration system with enhanced cleaning and dynamic fluid separation A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean associated filter media to allow substantially continuous filtration of proc... | 11/13/2007 |
| 7282147 | Cleaning hollow core membrane fibers using vibration A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem... | 10/16/2007 |
| 7166216 | Point-of-use water treatment system The present invention relates to a point-of-use water treatment system unit (10). The unit (10) includes a filter housing assembly (60) having a filter tank assembly (66) and a closure (64) which utilizes a handle (152) and ... | 01/23/2007 |
| 7163106 | Strainer for cleaning fibrous suspensions A strainer for fibrous suspensions, having a container, a filtering basket inside the container and a rotor inside the filtering basket coupled to motorization means suited to set it rotating. In the container there are a drain chamber of the rejected suspension, a ... | 01/16/2007 |
| 7143690 | Screw compressor for compressing wet matter and a method for compressing and washing The invention relates to a screw compressor for compressing matter that passes through the screw compressor. The screw compressor comprises a screw having an outer thread with a pitch that decreases in the longitudinal direction of the screw, and a casing that encas... | 12/05/2006 |
| 7097740 | Method and screen for screening at least two pulp mixtures The invention relates to a method and a screen for screening two or more pulp mixtures with different roughness. The screen comprises a first screen cylinder and a second screen cylinder. A coarse first pulp mixture is fed into the inlet end of the first screen cyli... | 08/29/2006 |
| 7086536 | Fluid filtering device with scraping element A fluid filtering device includes a housing, a driving device, a filter and a scraping device. The housing has a top portion, a wall portion downwardly extending from the periphery of the top portion and an inlet disposed in the top portion to allow the entry of flu... | 08/08/2006 |
| 7055699 | Self-cleaning mechanical filter A self-cleaning mechanical filter comprises a mechanism for simultaneously cleaning the internal surface and the external surface of a filter element. The filter is provided with structure for performing suction scanning of solid materials accumulated on the interna... | 06/06/2006 |
| 7008540 | Ultrasonically cleaned membrane filtration system A filtration system and a method of cleaning a particle and/or colloidal fouled filtration membrane are provided. The filtration system includes at least one filtration membrane disposed in a casing, and at least one ultrasonic transducer in direct contact with a fl... | 03/07/2006 |
| 7001505 | Slurry monitoring system A slurry monitoring system is provided. A filter encompasses a filter chamber containing a purge piston. During a monitor operation, the purge piston is retracted, and slurry enters the filter chamber through the filter, then passes into an outlet pipe, where a char... | 02/21/2006 |
| 7001506 | Self-cleaning circulatin system and method The present invention provides a system and method for providing a self-cleaning water circulation system which may be utilized for a fish pond, fountain, or the like. Means for automatically cleaning the pump intake to avoid pump failure due to leaves and debris is... | 02/21/2006 |
| 6971525 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 12/06/2005 |
| 6932913 | Method for vibration in a centrifuge A system and method for vibration in a centrifuge is disclosed. A centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a non-rotating sleeve. The fluid separation wall rotates around the axis of rotation and ... | 08/23/2005 |
| 6911147 | Water filtering module with hollow fibers A module for ultrafiltration or microfiltration of water includes hollow fibers, of the type of filtration from outside inwards of the fibers, the water to be treated being introduced at the top of the module and the treated water being collected at the bottom of th... | 06/28/2005 |
| 6890434 | Backflush filter, in particular for filtering lubricant oil A backflushing filter for filtering oil includes filter candles 22 which are open at both ends 24, 34 and disposed around a rotary shaft 1 in a filter housing. A cleaning device is moved in conjunction with the rotary shaft and includes upper an... | 05/10/2005 |
| 6783667 | Screen unit for viscous mass A screen unit for removing solid particles from a viscous mass, for example molten plastic. The screen unit includes a housing provided with a supply channel and a discharge channel for the viscous mass, a screen element in the housing between the supply channel and... | 08/31/2004 |
| 6752920 | Integral valved filter A self cleaning filter includes a body (15), inlet (1), outlet (14), flush inlet (12) and waste outlet (2). Elements (7) provide filtration while compressed but are cleaned decompressed. Feed from inlet port (3), impa... | 06/22/2004 |
| 6749069 | Equipment for filtering a liquid A description is given of equipment for filtering liquids, comprising three sections superimposed coaxially and placed above a container with filter walls for collecting the filtered particles. From the top to the bottom, the first section communicates directly with... | 06/15/2004 |
| 6726022 | Screening device and rotor for use in a screening device Apparatus for the screening of fiber suspensions is disclosed including a housing, a reject outlet and an accept outlet, a screen located within the housing, a rotor including pulsation wings mounted therein, a reject chamber in the housing for collecting a reject p... | 04/27/2004 |
| 6634508 | Screw press In a screw press, an outer tube (5), over which a screen (4) is tensioned, is divided into a freely rotatable condensing zone at the front half thereof, and a filtering and dewatering zone at the rear half thereof, a freely rotatable screw shaft (7) is pr... | 10/21/2003 |
| 6575307 | Self-cleaning water filter A self-cleaning water filter assembly including a body having inlet and outlet portions and a filter housing portion defining a cavity disposed therebetween so that water entering the inlet must flow through an inner surface to an outer surface of a filte... | 06/10/2003 |
| 6536602 | Food waster separator A food waste disposal system having a separator for separating food waste solids from liquids. The separator includes a housing having a screw conveyor surrounded by a screen. The solids are introduced into the screen and conveyed by the screw conveyor to... | 03/25/2003 |
| 6499603 | Screen for cleaning pulp suspensions A screen for cleaning a pulp suspension including a cylindrical screen basket and a double-conical accept chamber which widens in the flow direction of the pulp suspension.... | 12/31/2002 |
| 6443312 | Self-cleaning filter The self-cleaning filter is used for filtering incoming dirty liquid and distinctly recuperating clean liquid and waste liquid. The filter comprises a housing having an inner chamber defining first and second inner chamber portions, and an outer chamber; ... | 09/03/2002 |
| 6409023 | Process and device for fractioning a suspension containing paper fibers Process and device for fractioning a suspension containing paper fibers, in which the suspension is separated into at least two fractions by a wire with a scraper. The process includes moving the scraper in a substantially parallel relation to the wire so... | 06/25/2002 |
| 6360896 | Apparatus for cleaning liquid fluids The invention concerns an apparatus for cleaning liquid fluids, in particular for the cooling water running to a heat exchanger, having a portion of pipe of circular cross section as a housing, a screening body and a suction device, which can be moved abo... | 03/26/2002 |
| 6287474 | Liquid treatment media regeneration apparatus and process A deep bed liquid treatment apparatus and process in which the liquid and a granular media is periodically agitated to create a liquid-media slurry, and outflow of the liquid and entrained contaminants is induced through a separator having an inner diamet... | 09/11/2001 |
| 6267879 | Continuous liquid filtering apparatus with multi-layer sintered filtering element Described is a continuous liquid filtering apparatus having a preliminary filtering chamber 9, a filtering chamber 3, a filtered liquid chamber 12, and an electromechanical cleaning system. In operation, after entering inlet 1, liquid passes through coars... | 07/31/2001 |
| 6258594 | Human waste treatment system A waste disposal system separates human wastes into solid and liquid parts for subsequent treatment such as microbial decomposition treatment and/or activated sludge treatment. The system includes an outer box. A cylindrical member made of a water-permeab... | 07/10/2001 |
| 6241102 | Screening device Apparatus is disclosed for screening fiber suspensions including a housing, an annular screen disposed within the housing, a rotor disposed within the annular screen for rotating relative to the annular screen, pulsation wings disposed between the outer s... | 06/05/2001 |
| 6206204 | Screen apparatus A screen apparatus of the invention is provided with a tank for receiving a papermaking material; a screen situated inside the tank for dividing the tank into a first chamber and a second chamber to separate a foreign substance from the papermaking materi... | 03/27/2001 |
| 6187180 | Apparatus for screening The apparatus for removing bodies (41) from a liquid in which the apparatus includes a first container (1) which is provided with an inlet (13) through which the liquid is supplied to the first container, and a second container (2) which, in the lower reg... | 02/13/2001 |
