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| Number | Title | Issue Date |
| 7931804 | Filter assembly for frying oil or other liquids and an associated valve assembly A filter assembly is provided. Embodiments of the filter assembly allow for the continuous filtering of the frying oil, while the fryer is on-line. The filter assembly may include a dirty chamber, a clean chamber, a pump configured to suck the frying oil through the... | 04/26/2011 |
| 7341662 | Distribution and collection headers for a filter bed A filtration vessel has an inlet for inflow into the filtration vessel of liquid media to be filtered, a body of filter media in the filtration vessel, and a drain to receive filtered liquid media for take off from the filtration vessel. The inlet is configured to i... | 03/11/2008 |
| 7326341 | Membrane filter press The invention relates to a membrane filter press. On operation of such a press a secure generation of the necessary pressing pressure can be guaranteed with a membrane filter press that has at least one membrane filter plate, a baseplate with thickened edge region, ... | 02/05/2008 |
| 7314572 | Methods of and apparatus for low-angle-tray settling with multi-zone configuration Settleable-particles are separated from a dirty flow of settleable-particles and fluid by trays having a planar section configured with opposed ends and opposed sides, and an entrance edge and an exit edge on opposed ends. The section has opposed side edges, and an ... | 01/01/2008 |
| 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 |
| 7201845 | System for inserting and removing frames of a fluid transfer system A system for moving a filter or a retainer into or out of a fluid pathway without halting the movement of the fluid in the pathway. When acting as a filtering device, the system includes a filter frame and a drive mechanism for slidingly moving the filter frame on s... | 04/10/2007 |
| 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 |
| 7090770 | Filter cloth and method for producing the same The invention relates to a filter cloth for a filter press and to a method for producing said filter cloth. The inventive filter cloth has a filtration section through which the filtrate reaches a filter element of the filter press, and an edging section which rests... | 08/15/2006 |
| 7011741 | Filtration apparatus operating features A pressure-filter apparatus includes at least one filtration chamber coupled with a source of slurry. The filtration chamber is also coupled with a source of fluid at an elevated pressure, which may be arranged in series or in parallel with a source of wash fluid. T... | 03/14/2006 |
| 6929743 | Device and assembly for cross-flow filtration The invention relates to a device and an assembly for cross-flow filtration comprising filter cassettes. Said filter cassettes are cost-effective to produce as they have few connections and simple clamping plates and are characterized by a long service life and by b... | 08/16/2005 |
| 6875352 | Module filter comprising at least one admission for the non-filtrate and at least one discharge for the filtrate and comprising at least one filter module A module filter has a container with an admission for a non-filtrate and a discharge for the filtrate. A filter module is arranged in the container and has several stacked, disc-shaped filter cells of filter material having an inner space. The filter cells have cent... | 04/05/2005 |
| 6846412 | Combination filter assembly A combination filter assembly having a plurality of filter sieves positioned in parallel one after the other in the direction of flow. The filter sieves are stretched and mounted in housing elements to form filter elements. The housing elements are in contact with e... | 01/25/2005 |
| 6641726 | Filter device, and filtration and cleaning method The present invention relates to a filter device for completely removing residual amounts, after filtration, from the space of the unfiltered product. The filter device comprises a plurality of parallel filtration plates which are separated by filtration ... | 11/04/2003 |
| 6613226 | Laminated modular water filter A laminated modular water filter includes a top plate, a bottom plate and a plurality of superposed intermediate plates disposed between the top and bottom plates. Each adjacent pair of the top, intermediate and bottom plates are interconnected removably,... | 09/02/2003 |
| 6531061 | Disposable dialysis cassette Disclosed is a disposable dialysis cassette which is flat, flexible, self-closing and applicable to solutions containing proteins, DNA, RNA, or other molecules. The dialysis cassette embodies a first and second semi-permeable dialysis membrane, or tubular... | 03/11/2003 |
| 6521135 | Filtration apparatus operation features A pressure-filter apparatus includes at least one filtration chamber coupled with a source of slurry. The filtration chamber is also coupled with a source of fluid at an elevated pressure, which may be arranged in series or in parallel with a source of wa... | 02/18/2003 |
| 6491817 | Shallow chamber filter apparatus A pressure filter includes two continuous mating surfaces movable relative each other and a filter medium capable of being disposed therebetween. A surface, provided for supporting the filter medium, is bounded by and is substantially coplanar with one of... | 12/10/2002 |
| 6343697 | Filter device with filter disks A filter device, particularly for filtering melt-type fluids, such as polymer melts, includes at least one filter disk having two filter disk halves connected to each other by their edges and provided with filter material on their exterior surfaces. The f... | 02/05/2002 |
| 6159359 | Modular filter apparatus A modular filter apparatus is formed from stacked filter modules. Slurry to be filtered flows into the apparatus through a flowmeter and check valve into a header. The flow of slurry then branches off through feeders to each of the filter modules. Connect... | 12/12/2000 |
| 6158142 | Method of and apparatus for drying and conveying screenings A vise having vise members is provided with a vise face on each vise member. The vise faces are opposed and together define an initial vise volume having an open top for receiving loose, wet screenings. The vise faces form jaws moved relative to each othe... | 12/12/2000 |
| 6132608 | Optimized wax for sealing the edge of a filter sheet A filter sheet positioned between plates (14) of a filter press has a fluid-impermeable wax layer (11) sealing the sheet's perimeter. The wax preferably comprises ethylene bis stearamide and has a durometer reading of about 75 to about 100 Shore A hardnes... | 10/17/2000 |
| 6099725 | Tower press filtering system A tower press filtering system (1) is provided. System (1) includes a frame assembly (10) having at least one support engagement portion (14); a collapsible filter tower assembly (20) having a plurality of displaceable filter plate members (20); a press a... | 08/08/2000 |
| 5762786 | Plate filter press A plate filter press with chamber plates and diaphragm carrier plates and diaphragms secured thereto is provided that makes it possible to provide an adequately large, radial slurry admission cross-section that remains free of blockage. An annular support... | 06/09/1998 |
| 5741419 | Filter press for filtering liquid slurries An apparatus for filtering a liquid slurry is described. The apparatus uses a pair of filter chambers formed by a pair of fixed plates, and a pair of opposed moveable plates. The moveable plates are moved into engagement with the fixed plates by the downw... | 04/21/1998 |
| 5658468 | Elastic membrane press filter and filtration method using it An elastic membrane filter, in particular for filtration of mash, has a lower feed pipe and a second or upper feed pipe passing through the filter elements at a location opposite the lower feed pipe, the upper feed pipe being connected of the lower feed p... | 08/19/1997 |
| 5573667 | Belt filter medium A belt filter medium with detecting means for a filter apparatus and method is disclosed for separating solid materials from liquid materials in a slurry fluid. The apparatus includes separable plate members (12,14) that are pressed against each other to ... | 11/12/1996 |
| 5510025 | Filter apparatus and method A filter apparatus and method is disclosed for separating solid materials from liquid materials in a slurry fluid. The apparatus includes separable plate members (12, 14) that are pressed against each other to form a filter chamber (10) . The plates have ... | 04/23/1996 |
| 5462677 | Filter apparatus belt filter medium control and treatment A filter belt movement control and belt treatment means for a pressure filter apparatus. The movement control includes a marking means in or on the filter belt medium and a sensing means on the filter apparatus. The sensing means detecting the position of... | 10/31/1995 |
| 5453184 | Filter carrier The present invention relates to a filter carrier 1 for the construction of a filter tower 9. To simplify the construction on the whole, the invention provides for a seal which is arranged on the pressure-exerting plate of the filter carrier and comprises... | 09/26/1995 |
| 5449455 | Closer mechanism for compact filter press assembly and method of operation A closer mechanism and method of operation is provided for filter press assemblies and similar applications having a movable plate for opening and closing the assembly. A flexible bladder is arranged adjacent the movable plate and initially pressurized by... | 09/12/1995 |
| 5395523 | Cake removing apparatus for use in filter press A cake removing apparatus for use in a filter press has mounted on a movable frame of the press a pair of front and rear arms having main and auxiliary fabric beating members, means for pivotally moving the arms, and a a lift mechanism for the arms and th... | 03/07/1995 |
| 5292434 | Filter apparatus and method using belt filter medium A filter apparatus and method is disclosed for separating solid materials from liquid materials in a slurry fluid. The apparatus includes separable plate members that are pressed against each other to form a filter chamber. The plates have mating surfaces... | 03/08/1994 |
| 5192434 | Membrane filtration apparatus and method of making a membrane filtration unit An apparatus for separating a feed liquid into a concentrate and a permeate fraction by membrane filtration comprises an array of cassette frames (1-5) separated by intermediate plates (10). The array is adapted to be clamped together in its longitudinal ... | 03/09/1993 |
| 5182017 | Filtrate separating device with flexible deformable liquid and gas impermeable wall Filtrate separating device having a pair of walls connected by a frame defining a receiving space for sludge to be filtered. The walls being displaceable away from one another, and made of a flexibly deformable liquid and gas impermeable material.... | 01/26/1993 |
| 5139664 | Plate and cell holder A filter plate press or an electrolyzer cell has a series of filter plates or cell frames, respectively, which are moved as a stack against a press or cell headpiece by a follower moved by one or more rodded cylinders mounted on a fixed bracket. Scissors ... | 08/18/1992 |
| 5106498 | Filter press A filter press according to the present invention comprises tension bearing means which are mounted on the filter plates respectively and which prevent movements of the forward ends of the filter cloths to bear the tensions for drawing out the forward end... | 04/21/1992 |
| 5092994 | Membrane filter system To eliminate welds when forming connections from coupling joints of membrane filter structures having two external housing plates between which a membrane filter assembly (3, 4) is positioned, one (2) of the housing plates (1, 2) is formed with a bored or... | 03/03/1992 |
| 5059318 | Fluid seal for a traveling sheet filter press In a filtering device used for filtering slurries, or the like, and employing pressed together plate members separated by a filter media, there has been a problem in sealing the mating surfaces of the pressed together plates. In accord with the present in... | 10/22/1991 |
| 5045186 | Filtration method and filter press for employing the method A filtration method includes steps of feeding liquid to be filtered into a filter medium between a fixed plate and a movable plate; and reducing capacity of a filter chamber formed by the medium by moving the movable plate in a direction in which the mova... | 09/03/1991 |
| 5037540 | Plate and cell holder A filter plate press or an electrolyzer cell has a series of filter plates or cell frames, respectively, which are moved as a stack against a press or cell headpiece by a follower moved by one or more rodded cylinders mounted on a fixed bracket. Scissors ... | 08/06/1991 |
