| Patents for B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (8,047) |
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| 01/17/2001 | EP1068887A1 Integrated flotation and filtration device for the clarification of liquids containing suspended material |
| 01/17/2001 | EP1067996A1 Filter constructions and methods |
| 01/16/2001 | CA2160025C Method and apparatus for cleaning a filter drum used for thickening lime mud |
| 01/11/2001 | DE19929637A1 High capacity water filtration silo for industrial or municipal waste water bearing a high load of flaked impurities |
| 01/03/2001 | CN2412636Y 便携式净水器 Portable water purifier |
| 12/27/2000 | CN2411832Y Normal water regenerating appts. |
| 12/20/2000 | EP1059980A1 Antimicrobial filter cartridge |
| 12/20/2000 | EP1059978A1 Filter bed differential pressure monitoring system |
| 12/20/2000 | EP0619753B1 Process and device for removing deposits from filter auxiliaries |
| 12/13/2000 | EP1007819A4 Prepacked flush joint well screen |
| 12/12/2000 | US6159384 A differential pressure monitor for measuring the differential pressure across a filter bed so as to monitor a filter bed and achieve efficient control of filtration and backwashing |
| 12/06/2000 | CN2408941Y Filter for mineral water producing device |
| 12/06/2000 | CN1275418A Method for removing inpurity from fluid |
| 12/06/2000 | CN1275417A Method for removing removed substance from fluid |
| 12/06/2000 | CN1275416A Apparatus for removing removed substance from fluid |
| 11/29/2000 | CN2408111Y Integrated settling suspension filter water purifier |
| 11/29/2000 | CN2407815Y Filter mounted with dirt collecting bucket |
| 11/28/2000 | CA2167088C Method and apparatus for thickening lime mud with a disc filter |
| 11/25/2000 | CA2272731A1 Filtering support for loose solid material and method for the production thereof |
| 11/23/2000 | WO2000069539A1 Anchor for an underdrain block |
| 11/22/2000 | CN2406715Y Filter for continuously recirculating sand-washing |
| 11/16/2000 | WO2000067876A1 A multi-layer recirculating filter wastewater treatment apparatus |
| 11/16/2000 | CA2369659A1 A multi-layer recirculating filter wastewater treatment apparatus |
| 11/15/2000 | EP1051517A2 Amplification of nucleic acids with electronic detection |
| 11/15/2000 | CN1058473C Electrochemical water-purifying device |
| 11/09/2000 | WO2000066246A1 Method and apparatus for filtering particles out of a liquid |
| 11/09/2000 | DE19921460A1 Swimming bath water filter has filter particles supported by sieve made up of components with oval cross-section which have slits (18) in their surface and supporting tubes acting as water inlets and outlets |
| 11/08/2000 | EP1007185A4 Microcolumn for extraction of analytes from liquids |
| 11/07/2000 | US6143188 Underdrain blocks used to collect filtered liquid during operation of a filtration unit and to facilitate backwashing operations |
| 11/07/2000 | US6143187 Improved fluidized bed filters effective in the removal of nitrogenous wastes from aquaculture system; filter comprises a cylinder having an inlet port, water is pumped into the inlet port, force of water fluidizes filter medium |
| 11/07/2000 | US6143186 Comprises a filtration container with an upright container portion having in cross-section a rectangular design, which comprises a filter chamber for receiving granular bulk material, and inner wall comprises inlet and outlet side |
| 11/07/2000 | CA2016404C Underdrain strainer assembly |
| 10/31/2000 | CA2151431C Feeding suspension to a disc filter |
| 10/25/2000 | CN2402373Y Polypropylene fibre tow acid bath filter |
| 10/25/2000 | CN2402138Y 生化反应器 Bioreactor |
| 10/18/2000 | CN2401252Y Siphon filter pool |
| 10/18/2000 | CN2401251Y Fiber filter pool |
| 10/18/2000 | CN1057512C Harnessing method for papermking waste water |
| 10/17/2000 | US6132611 Dynamic action filtration system |
| 10/17/2000 | US6132599 Multi-layer recirculating filter wastewater treatment apparatus |
| 10/05/2000 | WO2000058226A1 An apparatus for treatment of waste water |
| 10/04/2000 | EP0909207A4 Radial-flow fluidizable filter |
| 10/04/2000 | CN1268935A Coagulator |
| 10/04/2000 | CN1268386A Filtration equipment |
| 09/27/2000 | EP1037697A1 Filter device and filtering process |
| 09/27/2000 | CN2397979Y Cellulose filter |
| 09/27/2000 | CN2397978Y 纤维束过滤器 Tow filter |
| 09/27/2000 | CN1056780C Improvement of filtering apparatus used for purification of liquid, especially for water |
| 09/26/2000 | US6123858 Slow sand filter for use with intermittently flowing water supply and method of use thereof |
| 09/20/2000 | CN1266730A 纤维过滤器 Fiber filters |
| 09/13/2000 | CN2395773Y Sterilizing purifying type water purifier filter tube |
| 09/13/2000 | CN2395772Y Cylinder device for water filter |
| 09/13/2000 | CN2395771Y Fibre filter |
| 09/12/2000 | US6117341 A multilayer membrane electrolytically generating a gas for self-cleaning |
| 09/12/2000 | US6117332 Method for using a center core cartridge feeder insert |
| 09/08/2000 | WO2000052272A1 Water treatment system and method using permeable embankments, weirs, walls or the like |
| 09/06/2000 | CN2394697Y 净水器 Water Purifier |
| 09/05/2000 | CA2019113C Method for cleaning the filter plates of a suction drier |
| 09/04/2000 | CA2265235A1 Multimedia backwashable filtration system |
| 08/30/2000 | EP1031366A2 Filtering device |
| 08/30/2000 | CN2393615Y Long handed water cap |
| 08/30/2000 | CN2393614Y High effective fiber filter |
| 08/29/2000 | US6110389 For treatment of waste water; can be cleaned in short time; can treat both suspended particulate matter and dissolved organic matter |
| 08/29/2000 | US6110366 Anchor for an underdrain block |
| 08/23/2000 | CN2392590Y Box-type filtering material unit |
| 08/23/2000 | CN2392589Y Composite filter-layer self-cleaning filtering device |
| 08/23/2000 | CN2392588Y House-hold water-purifying device |
| 08/22/2000 | CA2153763C Filter for fluids |
| 08/16/2000 | CN2391659Y Filtering apparatus with pore diameter changing filtering fiber |
| 08/09/2000 | CN2390667Y Sterilized purifying filter tube for water purifier |
| 08/09/2000 | CN2390666Y 过滤器 Filter |
| 08/08/2000 | CA2104584C Slotted scallops or similar articles and method of making same |
| 08/03/2000 | WO2000044676A1 Novel method for filtering surface water with thin supernatant layer and implementing plant |
| 08/02/2000 | EP1023930A1 Flushable filter assembly and method of operating the same |
| 08/02/2000 | CN2389699Y Structurally improved water cap |
| 08/02/2000 | CN2389698Y 纤维球过滤器 Fiber ball filter |
| 08/02/2000 | CN1055027C Mist collecting filtering element |
| 07/27/2000 | WO2000043097A1 Deep media filter |
| 07/26/2000 | EP1022257A1 A water purification apparatus having many functions |
| 07/26/2000 | EP0667800B1 Pleated filter assembly, and the method and apparatus for making |
| 07/26/2000 | EP0650389B1 Deep bed sand filter |
| 07/26/2000 | CN1261290A Leukapheretic filter medium |
| 07/25/2000 | US6093329 Air scour/backwash apparatus for celless traveling bridge filter |
| 07/20/2000 | WO2000041972A1 Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse osmosis |
| 07/20/2000 | CA2359464A1 Process for removing organic and inorganic contaminants from phenolic stripped sour water employing reverse osmosis |
| 07/19/2000 | EP1019587A1 Device for forming a liquid-permeable flooring, manhole cover or the like |
| 07/19/2000 | EP1019170A1 Regenerable filter for liquids, in particular food liquids |
| 07/19/2000 | CN2388185Y Mineral water pot |
| 07/18/2000 | US6090285 Tank treatment assembly |
| 07/18/2000 | US6090284 Underdrain unit for granular filtration system |
| 07/13/2000 | DE19860860A1 Rainwater filter has hydraulic arrangement to filter preventing overload and dispensing with filter pumps |
| 07/06/2000 | DE19903103C1 Water filter assembly cushioning chamber linked by filtrate pump passage, dispensing with holding tank, rinsing water pumps and collector |
| 07/05/2000 | CN2385778Y Quick-assembling integral actived carbon filter |
| 07/05/2000 | CN1258555A Double filter layer filtering bed process for treating printing and dyeing effluents |
| 06/29/2000 | WO2000037692A1 Improved method for filtering a metal liquid on a bed of refractory particulate material |
| 06/29/2000 | WO2000037159A1 Apparatus for cleaning a filter cloth in a filtering device |
| 06/29/2000 | WO2000037158A1 Underdrain block for filter media system |
| 06/29/2000 | CA2356372A1 Improved method for filtering a metal liquid on a bed of refractory particulate material |
| 06/29/2000 | CA2355863A1 Apparatus for cleaning a filter cloth in a filtering device |
| 06/21/2000 | CN2383571Y 净水器 Water Purifier |