| Patents for B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131) |
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| 10/13/1993 | CN2143525Y Double room continuous filter |
| 10/05/1993 | US5249359 Process for manufacturing finely structured bodies such as heat exchangers |
| 10/01/1993 | CA2064402A1 Flat bed reactor for biological cleaning of solids contaminated with toxic substances |
| 09/30/1993 | WO1993018839A1 Method of forming a barrel neck connector |
| 09/30/1993 | WO1993018838A1 Barrel neck connector |
| 09/22/1993 | EP0561691A1 Mash filter implantation |
| 09/22/1993 | CN2142361Y Filter for industry use |
| 09/21/1993 | US5246578 Filter press and cleaning means therefor |
| 09/21/1993 | CA2091580A1 Chamber filter press |
| 09/16/1993 | DE4207564A1 Verfahren und vorrichtung zum filtern von fluessigkeiten, insbesondere von walzoel Method and apparatus for filtering liquids, especially walzoel |
| 09/15/1993 | CN2142038Y Air filter-pressing cauldron |
| 09/15/1993 | CN2142037Y Filter for water treatment |
| 09/08/1993 | CN2141731Y Round corner filter plate and frame for filter press |
| 08/31/1993 | US5240540 Method for producing filter element |
| 08/25/1993 | EP0556932A1 Method of producing a filter element |
| 08/25/1993 | EP0556186A1 Membrane plate for plate filter presses. |
| 08/24/1993 | US5238584 Downwardly sloping support tray and wedge-shaped plow blade having resilient scraper |
| 08/18/1993 | CN2140256Y Filtering plate of filter press |
| 08/18/1993 | CN2140255Y Improved continuous glue filter |
| 08/17/1993 | CA1321359C Device for separation of a liquid medium containing constituents which are separable in a filter |
| 08/11/1993 | EP0554515A1 Unloading device for filter press |
| 08/11/1993 | CN2139848Y Test device for pull plate reversing of filter press |
| 08/04/1993 | EP0553749A2 Apparatus for removing filtrate from filter media |
| 08/03/1993 | US5232589 Filter element and support |
| 08/03/1993 | CA1320913C Apparatus for shifting and washing filter plates in a filter press |
| 07/20/1993 | US5229078 Filter for the separation of impurities or contaminants |
| 07/20/1993 | US5228467 Filter media cleaning system |
| 07/06/1993 | US5225080 Filtration module and device for separating and filtering fluids in a crossflow process |
| 06/29/1993 | CA1319622C Dry sump liquid filter |
| 06/17/1993 | DE4140889A1 Filter press cleaner - has frame with air jets moving up and down in a gantry to cover both sides of filter plates |
| 06/09/1993 | EP0545548A1 Process for production of a component part of a filter-press type structure |
| 06/03/1993 | CA2084267A1 Process for production of a component part of a filter-press type structure |
| 05/27/1993 | DE4138469A1 Suspension purificn. and pre-thickening - has inflow set according to outflow for max efficiency at a following discontinuous filter press |
| 05/19/1993 | EP0542678A1 Self-cleaning filtering device for the disinfection and removal of turbidities from raw water |
| 05/13/1993 | DE4136906A1 Filter plate for chamber type filter press that can be heated or cooled - has filter plates clamped together to form filtration chambers having flexible walls which can move by circulation of heat transfer fluid |
| 05/12/1993 | EP0540705A1 Plate filter. |
| 05/11/1993 | US5209841 Filter belt arrangement for pressurized chamber filter |
| 05/05/1993 | EP0540326A2 Improvements to filter fabrics |
| 05/04/1993 | CA1317234C Apparatus for cake removal in a filter press |
| 05/01/1993 | CA2081544A1 Filter fabrics |
| 04/21/1993 | EP0422052B1 Process for removing salts from expandable laminaed silica |
| 04/08/1993 | DE4224648A1 Dewatering of liq.-solid mixtures using pressure and heat - by forming vapour phase above mixt. and forcing filtrate through underlying filter surface in mainly liq. form |
| 03/31/1993 | EP0534085A2 Presurized chamber liquid filter |
| 03/30/1993 | US5198123 Plate filter press |
| 03/30/1993 | CA1315210C Method and means for pressure filtering |
| 03/24/1993 | EP0220324B1 Polymer filtering apparatus |
| 03/24/1993 | CN1070126A High-pressure continuous filter for mineral slurry |
| 03/17/1993 | EP0532237A2 Filter assembly with filter elements separated by spacers |
| 03/17/1993 | CN2128160Y Built-up filter plate of press filter |
| 03/16/1993 | US5194148 Hydraulic cylinder extension device for a filter press |
| 03/14/1993 | CA2077861A1 Filter assembly with filter elements separated by spacers |
| 03/04/1993 | DE4128747A1 Particulate removal filter - has clamp mounted, sealed, framed, modular elements and allowing easy cleaning and element replacement |
| 03/03/1993 | EP0529682A2 Membrane filtration unit and cassette, and method of making a membrane filtration unit |
| 02/25/1993 | DE4127477A1 Stacked filter for uniform filter aid layer build=up - comprises flushing channel contg. element passing liq. stream unidirectionally and blocking or reducing flow in opposite direction |
| 02/18/1993 | WO1993002764A1 Filter made of plates coated with inflatable membranes and filtering cloths |
| 02/16/1993 | US5186998 Duplex filter cloth and method |
| 02/16/1993 | US5186825 Filter apparatus |
| 01/28/1993 | DE4120971A1 Filterverfahren und filtervorrichtung zum filtern von fluessigkeiten Filtering method and filter device for filtering liquids |
| 01/28/1993 | DE3448377C2 Filter element mfr. |
| 01/07/1993 | WO1993000146A1 Process and device for filtering liquids |
| 01/07/1993 | EP0521512A1 Filter cloth unit for chamber filter presses |
| 01/05/1993 | US5176074 Membrane of a press for the separation of liquid and solid materials |
| 12/30/1992 | CN2126104U Double side pressing and cross washing filter frame for chamber filter press |
| 12/29/1992 | US5174895 Coiled filter strip with upstream and downstream butt ends |
| 12/29/1992 | CA1311962C Apparatus for shifting filter plates in a filter press |
| 12/23/1992 | WO1992022371A1 Filter assembly with filter media retrieval |
| 12/23/1992 | EP0519148A2 Method and device for the reduction of the liquid content of a filter cake deriving from a plate filter |
| 12/23/1992 | CN2125441U Compressing device for filter press |
| 12/22/1992 | CA1311692C Filter cloth cake removal device |
| 12/17/1992 | DE4119167A1 Determn. of the operating parameters and dimensions of filter presses - by forcing a suspension contg. solns. through an inlet channel and a filter gauze at a given pressure, and pressing a wall against the filter cake to dewater it |
| 12/17/1992 | DE4119166A1 Filter element for a filter press with simplified assembly - composed of several filter plates held against a supporting face to form a chamber with inlets for fluid sealed by a V=shaped rubber rim |
| 12/10/1992 | WO1992021423A1 Membrane plate for plate filter presses |
| 12/10/1992 | DE4216048A1 Filter element for plate filter |
| 12/10/1992 | DE4118620A1 Membranplatte fuer plattenfilterpressen Diaphragm plate for plate filter presses |
| 12/09/1992 | EP0478623A4 Filter plate, filter plate element, and filter comprising same |
| 12/09/1992 | CN2124054U Filter plate of multifunction salt-mud press filter |
| 12/09/1992 | CN2124053U Point type rubber-plastics filter plate for press filter |
| 12/08/1992 | US5169524 Filter ring |
| 12/08/1992 | US5169523 Filter plate for presses for pressing cocoa pastes |
| 12/02/1992 | CN2123356U Filtering plate of compacted type for filter press |
| 12/01/1992 | US5167832 Automatic, in filter press |
| 12/01/1992 | US5167801 Filter press with cake removing device |
| 11/26/1992 | WO1992020424A1 Plate filter |
| 11/26/1992 | DE4116874A1 Plattenfilter Plate filter |
| 11/25/1992 | CN2122674U Rapid filter plate |
| 11/18/1992 | CN2121986U Filtering unit in use for filter press |
| 11/12/1992 | DE4214073A1 Filter element for filter press - has rigid porous filter plates pref. of hardened or polymerised plastics |
| 11/11/1992 | EP0512391A1 Shifting device for filter plates in a filter press |
| 11/11/1992 | CN2121261U Horizontal pressing filter |
| 11/03/1992 | US5160612 Lifting support frame for a filter press |
| 11/03/1992 | US5160607 Filter for aquarium |
| 10/14/1992 | EP0508645A2 Filters and filter units |
| 10/14/1992 | EP0507844A1 Method and device for carrying off the filter cake from a filter apparatus. |
| 10/13/1992 | US5154825 Automatic filter press |
| 10/07/1992 | EP0507073A1 Installation for biological elimination of noxious substances from polluted waste waters |
| 10/06/1992 | US5152060 Useful as a heat exchanger |
| 09/30/1992 | EP0505518A1 Filter plate for a plate filter press. |
| 09/28/1992 | CA2064155A1 Filters and filter units |
| 09/23/1992 | EP0505018A1 Multi-stage filter |
| 09/23/1992 | EP0504853A1 Method of manufacturing filter cloth for filter presses |