Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7396472 | Filter plate assembly for filter A filter configured to separate the solid components and the liquid components from a slurry. The filter includes a plurality of filter plate assemblies that cooperate to define a plurality of filter chambers, each defining a perimeter having an open section when th... | 07/08/2008 |
| 7360946 | Time temperature indicators linked to sensory detection A thermal history indicator comprising a temperature sensitive material, a sensing device, a heat insulating material functioning to buffer the temperature sensitive material against temperature change, and an activation means. The triggering of the activation means... | 04/22/2008 |
| 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 |
| 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 |
| 6971526 | Filter cloth connector A method is provided for fixedly joining a cloth, a cloth-like fabric or a synthetic mesh to a filter plate using a flanged cloth connector ring. The flanged cloth connector ring is attached to the filter cloth around the feed port of the cloth and inserted into a r... | 12/06/2005 |
| 6932906 | Filter element fixation for filter presses A method of making a filter by bonding two pieces of cloth to the flanges of a barrel-neck connector by locating a ring of bonding agent mixed with a metal powder between each flange and the adjacent surface of each cloth and using induction heating to heat the meta... | 08/23/2005 |
| 6852220 | Filter plate of a filter press A filter press for filtering suspensions includes plural parallel filter plates that can be displaced relative to one another. In a filtering position, the filter plates are compressed to a package that forms a filter chamber provided with at least one filter cloth ... | 02/08/2005 |
| 6827851 | Filter module The invention relates to a filter module (4) with a simplified design which allows for the manufacturing of a step filter, Each ply of filter medium is composed of a deep-bed filter material layer (1, 1a-d) and the packing is composed of drainin... | 12/07/2004 |
| 6716347 | Wear resistant inserts for filter press plates A filter plate for a filter press assembly is disclosed which is structured with replaceable wear elements to increase the resistance of the filter plate to degradation caused by processing of abrasive filtrates. While the wear elements may eventually degrade due to... | 04/06/2004 |
| 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 |
| 6626094 | Filter press with a stack of vertically aligned, horizontally displaceable filter plates In a filter press, a stack of vertically oriented, horizontally displaceable filter plates enclose filter chambers therebetween. The filter plates are successively moved relative to each other from a closed pressing position, through a pressure relief pos... | 09/30/2003 |
| 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 |
| 6017450 | Filter press frame A filter press frame and method, operable for compressing a stack of filter plates, provides a very light frame as compared to the iron, steel and stainless steel filter press frames that have been used for the last one hundred years. The filter press fra... | 01/25/2000 |
| 6007717 | Filter cloths incorporating a feed passage connector for use with plate-type filter presses A pair of filter cloths including a feed passage connector for a plate-type filter press is disclosed herein. The filter cloths include first and second tubular members each having opposed first and second free ends and through bores extending continuousl... | 12/28/1999 |
| 5938920 | Filter plate assembly for horizontal-type filter press A self supporting filter plate assembly having two opposed screen sections with inwardly shaped deformations which engage each other to maintain a planar surface of the screen sections at a predetermined spacing. The screen sections releasably engage each... | 08/17/1999 |
| 5855778 | Filter press A filter press having a horizontal stack of filter plate assemblies, in which removal of filter cake is automated by means of a vibration/shifter carriage that can be moved in steps along a stack of filter plates after a press closing head has been retrac... | 01/05/1999 |
| 5851387 | Filter plate feed port clamp A feed port clamp member is disclosed for placement through and about the feed port of a filter plate to provide an abrasion-resistant surface through the feed port of the filter plate to prevent degradation of the underlying filter media and filter plate... | 12/22/1998 |
| 5846415 | Apparatus for regenerating filter clothes of filter press A vibration rod for simultaneously vibrating upper-portion support bars arranged to be upwards brought into contact with two ends of the upper-portion support bar to simultaneously vibrate the upper-portion support bars is disposed below the bar for suppo... | 12/08/1998 |
| 5843310 | Filter unit for filter press Since a filter unit is formed by causing an upper portion support bar for a filter cloth put on a filtering surface of a filter plate to be engaged to a washing pipe integrally provided for the filter plate, a filtering mechanism portion of a filter press... | 12/01/1998 |
| 5741418 | Filter cloth suspending apparatus in filter press This invention relates to a filter cloth suspending apparatus in which a filter cake is produced by pressing sewage and waste water between filter cloths with filter plates, and the obtained cake is discharged. In the apparatus, an upper edge of the filte... | 04/21/1998 |
| 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 |
| 5723046 | Drip tray lock mechanism for filter press A filter press having an activating mechanism for holding the drip trays in a closed position before the stack of filter plates. The activating mechanism includes a fluid pressure cylinder which moves the drip trays between open and closed positions. The ... | 03/03/1998 |
| 5674384 | Filter press with weight-responsive bumping of filter plates A shifter mechanism for a filter press, which shifter mechanism incorporates a vibrating mechanism for effecting bumping of individual filter plates during the separation thereof from the closed stack to assist in dislodgement of filter cake from the indi... | 10/07/1997 |
| 5605621 | Unloading device for filter press The unloading device for filter press has upper means for supporting a series of filtering cloths which are associated with the opposite front surfaces of a corresponding series of plates arranged in a pack, the plates being compressible between a fixed h... | 02/25/1997 |
| 5603827 | Membrane filter plate A filter element, for use in a plate filter press for example, includes a membrane supported from a plate and captured, about the periphery of an opening in the plate, by a clamping ring which locates a shaped edge bead on the membrane in a complementary ... | 02/18/1997 |
| 5601709 | Plate assembly for filter press A filter-plate assembly has a backing wall having an outwardly directed face and formed with an annular groove opening outward at the face and of a predetermined transverse width and a filter plate adjacent the wall and having an outer peripheral frame se... | 02/11/1997 |
| 5599446 | Filter medium with an embedded frame mounted to a support having a mating groove A filter element has a carrier plate with a mounting groove which extends around a filter chamber recess. A filter cloth blank, which covers this recess, has a mounting frame which is formed on and sits in the mounting groove. The filter cloth is thus pos... | 02/04/1997 |
| 5567327 | Air-assist discharge of filter press cake A filter press plate shifter assembly (21) provided with a shifter housing (22) having a tunnel-like center part which passes over the filter plates and housing parts positioned adjacent opposite side rails (14). Each side housing part mounts a pneumatic ... | 10/22/1996 |
| 5505846 | Plate shifter for filter press A filter press plate shifter assembly provided with a shifter housing having a center part which passes over the filter plates and housing parts positioned adjacent opposite side rails. The housing parts are rollingly supported on rods which extend along ... | 04/09/1996 |
| 5484526 | Membrane plate for plate filter presses A membrane plate for a filter press includes a plate member composed of a plate wall having a peripheral region provided with a plate wall groove and a plate frame surrounding the plate wall. A flexible press membrane is disposed adjacent at least one sid... | 01/16/1996 |
| 5480543 | Device on filter presses for moving the filter plate which is the foremost at the time A filter plate transport device for filter presses has a slide block which can selectively move first and second directions opposite to each other along guide rails by a cable line. The slide block supports a driving pawl which engages behind a pillow blo... | 01/02/1996 |
| 5462663 | Suspension and guidance mechanism for the filter plates of a filter press In a suspension and guidance mechanism for the filter plates of a filter press, where the dollies (1) that carry filter plates (3), each dolly with two rollers (4, 5) that are staggered with respect to each other in the direction of movement and are posit... | 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 |
| 5445745 | Filtering method for filtering liquids The present invention refers to filtering method and a filter device for filtering liquids, especially beverages. The filtering method and the filter device are to be reliable and simple without any negative influence on the quality of the filtrate. A fil... | 08/29/1995 |
| 5445733 | Plate filter A plate filter press includes a plurality of face-to-face arranged filter plates movable into open and closed positions. Any two adjoining filter plates together define a filter chamber bounded by a continuous, raised sealing edge carried on at least one ... | 08/29/1995 |
| 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 |
| 5370795 | Plate shifter for filter press A filter press plate shifter assembly provided with a shifter housing having a center part which passes over the filter plates and housing parts positioned adjacent opposite side rails. The housing parts are rollingly supported on rods which extend along ... | 12/06/1994 |
| 5362388 | Filter plate for a plate filter press The invention relates to a filter plate for a plate filter press with at least one press diaphragm (6) covered with filter fabric, in which the filter plate (2) and the press diaphragm (6) have at least one shared passage aperture (4), whereby the edge of... | 11/08/1994 |
| 5328617 | Air-assist discharge of filter press cake A filter press plate shifter assembly provided with a shifting housing having a tunnel-like center part which passes over the filter plates and housing parts positioned adjacent opposite side rails. The housing parts are rollingly supported on rods which ... | 07/12/1994 |
| 5308508 | High capacity filter media, method of use in filtration and method of formation A depth filtration method employing a depth filter media sheet, a method of forming the depth filter media sheet and the structure of the depth filter media sheet are described wherein the depth filter media sheet is formed from a wet strength layer and a... | 05/03/1994 |
