| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 04/25/1998 | CA2211817A1 System, installation and process for filtering sludge (particularly liquid manure) |
| 04/23/1998 | WO1998016328A1 Improved vibratory screening machine |
| 04/23/1998 | WO1998016293A1 Oscillating shower for disc filter |
| 04/23/1998 | WO1998016292A2 Agitator for use with a disc filter |
| 04/23/1998 | CA2268936A1 Agitator for use with a disc filter |
| 04/23/1998 | CA2268781A1 Oscillating shower for disc filter |
| 04/16/1998 | DE19622939A1 Vacuum centrifugal filter for emulsions with split tube drum filter |
| 04/14/1998 | US5738787 Filtration plate |
| 04/14/1998 | US5738782 Cleaning apparatus for fluids |
| 04/07/1998 | US5736007 Method of liquor removal from particulate solids |
| 04/07/1998 | US5735409 In a screen frame of a screening machine |
| 04/01/1998 | EP0832489A1 Process and device for separating a medium into a solid matter-containing component and a liquid component |
| 04/01/1998 | EP0832321A1 Drum supported by support rollers for washing fibre material |
| 04/01/1998 | EP0673454B1 Apparatus for filtering suspensions |
| 04/01/1998 | CN2277294Y Horizontal efficient solid-liquid separator |
| 04/01/1998 | CN1177930A Disk filter |
| 03/31/1998 | US5733450 Rotary screening apparatus having a screening cylinder casing |
| 03/31/1998 | US5732828 For shaking corrosive materials |
| 03/31/1998 | CA2028019C Double screen belt press |
| 03/26/1998 | WO1998011972A1 A device in a filter sector for a rotating filter disc |
| 03/25/1998 | EP0653953B1 Loading control system for a centrifugal machine |
| 03/19/1998 | DE19654132A1 Conveyor driven filter for clarification of flowing water |
| 03/18/1998 | EP0828544A1 A device for filtration and a method for conversion |
| 03/18/1998 | CN2276366Y Water washing type disk filter |
| 03/12/1998 | WO1998009707A1 Method of producing filter bags, and a filter bag |
| 03/10/1998 | US5725783 Concentrating method and means therefor |
| 03/05/1998 | WO1998008587A1 Apparatus and method for separation of solids from liquid |
| 03/04/1998 | EP0826087A1 Fiber suspension thickener having improved discharge consistency |
| 03/04/1998 | EP0825895A1 Improvements in and relating to vibratory screening apparatus |
| 03/04/1998 | EP0778908A4 Thin mat washing of cellulosic pulp |
| 03/03/1998 | US5722264 Single roll displacement wash press |
| 02/24/1998 | US5720881 Screen assembly for vibrating screening machine |
| 02/18/1998 | EP0652810B1 Process and device for sifting, sorting, screening, filtering or sizing substances |
| 02/12/1998 | WO1998005404A1 Method and apparatus for filtering a fluid |
| 02/12/1998 | CA2263955A1 Method and apparatus for filtering a fluid |
| 02/11/1998 | EP0822853A1 Shale shaker |
| 01/28/1998 | EP0820336A1 Disk filter |
| 01/28/1998 | EP0786030A4 Washing pulp using an endless support fabric |
| 01/28/1998 | CN2273217Y Piston continuous operating pressure filter |
| 01/27/1998 | CA2134749C A device for separation of solid particles from a liquid mixture |
| 01/15/1998 | WO1998001206A1 An apparatus for filtering liquids |
| 01/14/1998 | EP0818229A2 Confining and scarping installation for a filtration apparatus for solid/liquid separation,especially flat bed-type belt filter |
| 01/14/1998 | EP0817667A1 Dewatering device |
| 01/13/1998 | US5707517 Immersible rotary disc filtration device |
| 01/13/1998 | US5707512 Apparatus for the separation of solid-liquid mixtures |
| 01/08/1998 | DE19626741A1 Sieve drum washer cleaning-off finer material from filtration media comprising, e.g., sand or gravel |
| 01/07/1998 | EP0708676B1 Method and apparatus for thickening lime mud with a disc filter |
| 01/06/1998 | US5705069 Centrifugal water treatment device |
| 01/06/1998 | US5705068 Feeding suspension to a disc filter |
| 01/02/1998 | DE19624483A1 Filtertuch, Filtrierverfahren und Filtriervorrichtung für die Flüssigkeitsfiltration Filter cloth, filtration methods and filtration for liquid filtration |
| 12/24/1997 | WO1997048472A1 Filter cloth, filter method and filtering device for liquid filtration |
| 12/23/1997 | US5700464 Process for extracting with liquids soluble substances from subdivided solids |
| 12/18/1997 | WO1997047404A1 Apparatus for attaching filter means to a frame |
| 12/17/1997 | EP0812611A1 Rotatable disc filter |
| 12/11/1997 | WO1997046327A1 Gumbo separator |
| 12/09/1997 | US5695651 Inlet screen |
| 12/09/1997 | CA2102217C Automatically adjusting shale shaker or the like |
| 12/04/1997 | WO1997045188A1 Filter cloth and filter |
| 12/04/1997 | CA2228126A1 Filter cloth and filter |
| 12/03/1997 | EP0809528A1 Apparatus for filtering liquids |
| 12/02/1997 | US5692619 Apparatus for filtering suspensions |
| 11/26/1997 | EP0696227B1 Rotating filter |
| 11/25/1997 | US5690826 Shaker screen assembly |
| 11/20/1997 | WO1997043220A1 Clarification plant for water purification |
| 11/20/1997 | DE19621156A1 Klärwerk zur Aufbereitung von Wasser Sewage treatment plant for treatment of water |
| 11/20/1997 | CA2253456A1 Clarification plant for water purification |
| 11/19/1997 | CN2267851Y Air-purging type micro filter |
| 11/13/1997 | WO1997041972A1 Continuous belt drilling mud separation system |
| 11/13/1997 | DE19618048A1 Vacuum drum filter for separating suspensions |
| 11/12/1997 | EP0708675B1 Filtering device and method |
| 11/12/1997 | CN2267085Y Intermittent type mechanical automatic scraper |
| 11/11/1997 | US5685984 Fiber suspension thickener having improved discharge consistency |
| 11/11/1997 | US5685983 Apparatus for filtering liquids containing particles |
| 11/11/1997 | US5685982 Vectored thrust shale shaker |
| 11/05/1997 | CN2266450Y Vertical-disk fixing device for vertical disk filtering machine |
| 11/04/1997 | US5683582 Air inflow restrictor for vacuum filters |
| 11/04/1997 | US5683581 Belt-type filter apparatus for removing foreign particles from liquid baths |
| 11/04/1997 | US5683580 Nonuniform forward elliptical motion end feed separator |
| 10/29/1997 | EP0803346A2 Double-belt press with high dewatering capacity |
| 10/29/1997 | EP0705132A4 Dynamic filter system |
| 10/28/1997 | US5681483 Separation of emulsion containing solids by centrifuging in a filter basket covered by coated cloth which retains filter cake |
| 10/28/1997 | US5681453 Reciprocal movable screens in a vertically elongated vessel |
| 10/22/1997 | EP0802042A2 Belt press for liquid extraction |
| 10/22/1997 | CN2265233Y Rotary filtering-net |
| 10/21/1997 | US5679249 Dynamic filter system |
| 10/16/1997 | WO1997037744A1 Rotary filter assembly with blowback outlet adjustment |
| 10/14/1997 | US5676847 Supplying crystals to rotary filter under pressure, filtering, washing filter cake, recycling washing liquid |
| 10/14/1997 | US5676829 Screen |
| 10/09/1997 | WO1997036665A1 Filter sector |
| 10/09/1997 | WO1997027926A3 Coilable separation elements and suitable housing with coiling drive |
| 10/09/1997 | CA2250897A1 Filter sector |
| 10/08/1997 | EP0799347A1 Separating arrangement |
| 10/07/1997 | US5674403 Straining streams of liquid suspended with solid particles |
| 10/07/1997 | US5674396 Rotary filter with a device for separating a solids/liquid mixture, particularly a pulp suspension |
| 10/07/1997 | US5674117 Compression belt separation apparatus |
| 10/07/1997 | US5673797 Screen assembly for vibratory screening machine and method of fabrication thereof |
| 10/02/1997 | WO1997035656A1 Filter unit |
| 10/02/1997 | DE19717448A1 Filter separates solid matter from suspensions and emulsions |
| 10/01/1997 | EP0798333A1 Process for production of polytetrafluoroethylene molding using lubricant, belt-press dehydrator, process for dehydration of solid wet matters |
| 09/24/1997 | EP0651671B1 Air-liquid separator assembly and system |