| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 09/23/1997 | US5670043 Multi-function self-cleaning fluid treatment system and method for using the same |
| 09/23/1997 | US5669289 Strainer assembly |
| 09/18/1997 | WO1997034045A1 Paper pulp screen cylinder |
| 09/18/1997 | CA2248639A1 Paper pulp screen cylinder |
| 09/17/1997 | CN1159776A Screen cloth element and screen cloth for making the same |
| 09/16/1997 | US5667682 Self-cleaning filtration apparatus |
| 09/16/1997 | US5667681 Flight tip extensions for centrifugal separator |
| 09/16/1997 | US5667680 Arrangement in liquid filters in which the filtrate is divided in two fractions |
| 09/11/1997 | DE19602349A1 Scheibenfilter Disc Filters |
| 09/10/1997 | EP0793750A1 Apparatus and process for screening a fibre suspension and process for producing paper utilizing the same |
| 09/10/1997 | EP0713367A4 Subdivided solids extraction method and apparatus |
| 09/10/1997 | CN1158750A Device for filtering, washing and drying solid material-liquid mixture |
| 09/09/1997 | US5665225 Separating device |
| 09/04/1997 | WO1997031697A1 Device for treating, in particular washing, gluten or the like |
| 09/04/1997 | CA2246671A1 Device for treating, in particular washing, gluten or the like |
| 09/03/1997 | EP0749344A4 Method and apparatus for disposal of biological waste |
| 09/03/1997 | EP0616549B1 Particulate material separator |
| 09/03/1997 | CN1158271A High effect continuous filter press series |
| 09/02/1997 | US5662794 Solid-liquid separator and wet flue gas desulfurization apparatus |
| 08/26/1997 | US5659973 Device and method for removing liquid on a gauze conveyor |
| 08/21/1997 | WO1997029997A1 Method and plant for purification of contaminated water |
| 08/21/1997 | WO1997029995A1 Plant for production of drinking water from unfiltered water |
| 08/21/1997 | WO1997029994A1 Plant for purification of contaminated water |
| 08/21/1997 | WO1997029828A1 Endless bandpass filter for micro filtration |
| 08/20/1997 | CN1035663C Spoke wheel type filter plate set filter |
| 08/19/1997 | CA2118410C Apparatus for treating fiber suspension |
| 08/14/1997 | WO1997028906A1 Screen for vibrating separator |
| 08/13/1997 | EP0788825A1 Filtering device for turbid water purification |
| 08/12/1997 | US5656179 Device for continuous filtration and drying of a solid suspension |
| 08/12/1997 | US5656165 Dewatering apparatus of filter belt type |
| 08/12/1997 | US5656162 Rotating filter |
| 08/07/1997 | WO1997027926A2 Coilable separation elements and suitable housing with coiling drive |
| 08/07/1997 | DE19603622A1 Umwickelbare Separationselemente und dafür geeignete Gehäuse mit Umwickelgetriebe Umwickelbare separation elements and for appropriate housing with Umwickelgetriebe |
| 08/06/1997 | EP0787518A2 Belt filter and its monitoring and controlling device |
| 08/06/1997 | EP0787031A1 Filter apparatus for machine tool coulant |
| 08/05/1997 | US5653816 Method for cleaning the filter medium in a suction dryer by focusing ultrasonic beams |
| 08/05/1997 | US5653346 Process and device for sifting, sorting, screening, filtering or sizing substances |
| 07/31/1997 | WO1997026975A1 Disk filter |
| 07/31/1997 | WO1997026973A1 Device for filtering plasticised thermoplastics and filter unit therefor |
| 07/31/1997 | WO1997026972A1 Process for recovering components of a float material from waste water treatment system |
| 07/30/1997 | EP0786030A1 Washing pulp using an endless support fabric |
| 07/30/1997 | EP0785816A1 Device for dewatering and/or washing suspensions, in particular suspensions of fibrous materials |
| 07/30/1997 | CN2258421Y Multi-layer shaking screen machine |
| 07/23/1997 | CN2258092Y Full-automatic stage stroke filtering dehydrator |
| 07/23/1997 | CN1154869A Continuous spiral filter-leaf filtering machine |
| 07/17/1997 | WO1997025124A1 Means and method for screening suspensions |
| 07/17/1997 | CA2242573A1 Means and method for screening suspensions |
| 07/15/1997 | USRE35559 Bag filtering unit for the dehydration of sludges with a supported vibrating device |
| 07/15/1997 | US5647982 Vacuum filter element |
| 07/10/1997 | WO1997024170A1 Filter apparatus |
| 07/09/1997 | EP0782878A1 Cleaning device |
| 07/09/1997 | EP0782643A1 Method and device for concentrating a suspension |
| 07/08/1997 | US5645733 Pollution control |
| 07/02/1997 | EP0637985B1 Separating apparatus provided with measuring means and corresponding method |
| 07/02/1997 | EP0637348B1 Apparatus for treating fiber suspension |
| 07/02/1997 | CN1035306C Method for treatment of soot/ash water slurries |
| 07/01/1997 | US5643468 Method and apparatus for displacing liquor from a slurry of particulate solid material |
| 06/26/1997 | WO1997022398A1 Method and apparatus for filtering liquid or pasty substances and/or separating components therefrom |
| 06/25/1997 | EP0780650A1 Device for filtering, washing and drying a solid material-liquid mixture |
| 06/25/1997 | EP0780149A1 Continuous filter belt |
| 06/25/1997 | EP0684868B1 A device for filtering liquids |
| 06/24/1997 | US5641402 Multistage disc filter |
| 06/24/1997 | US5641070 Shale shaker |
| 06/18/1997 | EP0778908A1 Thin mat washing of cellulosic pulp |
| 06/18/1997 | EP0287579B2 Process for forming and dehumidifying filter cakes |
| 06/12/1997 | DE19546038A1 Drum filter with composite filter element bodies of metallic layers |
| 06/11/1997 | EP0777518A1 Filter medium |
| 06/11/1997 | EP0758271A4 Separation apparatus nozzle assembly |
| 06/10/1997 | US5637271 Method of producing non-woven fabrics for use in filters |
| 06/10/1997 | US5637213 Immersible filter drum unit and method for assembling thereof |
| 06/10/1997 | US5636749 Undulating screen for vibratory screening machine |
| 06/07/1997 | CA2164578A1 Apparatus and method for purifying water |
| 06/05/1997 | WO1997019745A1 Immersible rotary disc filtration device |
| 06/03/1997 | US5635074 Separation of solid material from a liquid material contained in a slurry; cross-flow; differential pressure |
| 06/03/1997 | US5635062 Device for filtering liquids and a filter unit for use in such a device |
| 06/03/1997 | CA2106989C Rotary filtration device and filter pack therefor |
| 05/28/1997 | DE19543491A1 Method of screening or filtering solids contaminated water using screen or filter cleanable by backwashing |
| 05/27/1997 | US5632903 High volume self-cleaning filter |
| 05/21/1997 | EP0773822A1 Screen for shale shaker |
| 05/21/1997 | CN2254371Y Filter cake discharge apparatus for disc-type vacuum filter |
| 05/21/1997 | CN2254370Y Filter cake discharge apparatus for disc-type vacuum filter |
| 05/20/1997 | US5630513 Apparatus for fractionating suspensions |
| 05/15/1997 | DE19646229A1 Sieve assembly, especially for vibrating sieve processes, |
| 05/13/1997 | US5628912 Rotary separator method for manure slurries |
| 05/13/1997 | US5628911 Filtration of soot/ash water slurries and improved partial oxidation process for hydrocarbon feedstocks |
| 05/09/1997 | WO1997016591A1 Pressure washer drum |
| 05/09/1997 | WO1997016238A1 Rotary type film separation method and rotary type film separation apparatus |
| 05/06/1997 | US5626766 Process for controlling solids-liquid separation |
| 05/02/1997 | EP0769979A1 Dynamic filter system |
| 05/02/1997 | EP0625925B1 Filter for plastic melts containing impurities |
| 05/01/1997 | WO1997015372A1 Self-cleaning filtration apparatus |
| 04/29/1997 | US5624578 Separation apparatus nozzle assembly |
| 04/29/1997 | US5624571 Drive mechanism and associated method for tilting pan filter assembly |
| 04/22/1997 | US5622625 Method of manufacturing a drum |
| 04/22/1997 | CA2070112C Headbox |
| 04/17/1997 | WO1997013572A1 A concentrator press |
| 04/17/1997 | CA2234097A1 A concentrator press |
| 04/16/1997 | CN2252043Y Continuous screw filter leaf filter |
| 04/16/1997 | CN1147482A Device for removing screened material from liquid flowing in flume |
| 04/16/1997 | CN1147414A Continuous pressed drum filtering-machine |