Patents
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)
12/2003
12/18/2003US20030230542 A filter comprising a plurality of filter cells for use in waste treatment
12/18/2003US20030230525 Automatic backwash filter system
12/18/2003CA2480547A1 Filter cartridge and process for the production thereof
12/10/2003EP1369544A1 Filtration installation for filtering the water of a water pool
12/10/2003EP1369157A1 High rate filter and high rate filtration method using the filter
12/10/2003CN2590638Y Sewage treatment filter
12/10/2003CN2590637Y Multistage filtering core for water purifier
12/10/2003CN1461232A Device and method for filtering fluid
12/04/2003US20030222033 A filtration system for processing effluent from septic-based sanitation systems includes at least one treatment tank for receiving effluent from a septic tank. The tank includes filtering media therein, the filtering media adapted for
12/03/2003EP0998429B9 Coagulator
12/03/2003CN2589042Y Sewage filtering equipment
12/03/2003CN2589041Y Drainage arrangement for heavy filtering medium percolator
12/03/2003CN2589040Y Tap-water purifier
11/2003
11/19/2003EP1242638B1 A process for the recovery of copper from aqueous solutions containing iodinated organic compounds
11/19/2003CN2586521Y Sewage filtering equipment
11/19/2003CN2586520Y Full-automatic normal temperature filtering type deaerator
11/19/2003CN2586519Y Shower bath filter
11/18/2003US6649048 Filter cartridge with regulated surface cleaning mechanism
11/13/2003US20030209476 Biological fluidized bed apparatus
11/12/2003EP1185348B1 Filter underdrain
11/12/2003CN2585680Y High efficiency composite multi-medium filter
11/05/2003CN2584269Y Water filtering device
11/04/2003US6641737 Vertical filter
10/2003
10/30/2003WO2003089110A1 Solid-liquid separating device
10/30/2003US20030201219 Apparatus for directing fluids through a filter system
10/29/2003CN2582718Y Gas water back flushing device used for moving flushing cage filter chamber
10/29/2003CN2582717Y Purifying and filtering apparatus for flushing water of toilet
10/28/2003US6638422 Liquid filtration apparatus and method embodying filtration particles having specific gravity less than liquid being filtered
10/23/2003WO2003086576A1 Filter module and process for the production of a filled filter module
10/23/2003WO2003086575A1 Groundwater treatment system and method
10/23/2003DE20310064U1 Filter assembly for coolant liquid has housing with insert of smaller diameter than housing inner surface increasing fluid access surface
10/23/2003CA2480278A1 Filter module and process for the production of a filled filter module
10/22/2003CN1449856A Reverse-washing type fine water quality purifier
10/22/2003CN1124869C Filter with counter flow clearing
10/16/2003WO2003084882A1 Composite water filter
10/15/2003CN2579494Y Water inlet controller for V-shape filter pool
10/15/2003CN2579493Y Water tap type drinking water filter
10/15/2003CN1448342A Process for treating cyclic cooling water
10/15/2003CN1124169C Double filter layer filtering bed process for treating printing and dyeing effluents
10/09/2003US20030189010 Groundwater treatment system and method
10/09/2003US20030189002 Composite water filter
10/08/2003CN2577926Y Filtering adsorption pots
10/08/2003CN1446613A High performance single stage filter using fiber pieces of cloth
10/02/2003WO2003080482A1 Chip discharge system
10/02/2003WO2003080213A1 Method and installation for filtering liquid media generating in the treated liquid an overall spiralling movement
10/02/2003US20030183570 Filter medium washing method and filter
09/2003
09/25/2003WO2003078022A1 Fluid treatment apparatus
09/25/2003US20030178366 Device and a method for filtering a fluid
09/18/2003US20030173304 Fluid treatment apparatus
09/18/2003DE20207089U1 Insert, for filer lid of refuse bin, is ring-shaped and is made up of separate sections
09/17/2003EP1343730A1 Method for treating water containing manganese
09/17/2003EP0813502B1 Electrocoalescent system for decontaminating water streams
09/17/2003CN2573051Y Filled high-temp. resistant air and gas purifying device
09/17/2003CN2573042Y Gap bridge for household water purifier
09/17/2003CN1443139A Effluent purifying device
09/15/2003CA2386445A1 Fluid treatment apparatus
09/10/2003CN1120737C Apparatus for distributing gas/liquid during concurrent fluid backwash in filter
09/09/2003US6616852 Modular filter system
09/09/2003US6616834 Wastewater processor
09/09/2003US6616832 Multi-layer recirculating filter wastewater treatment apparatus
09/09/2003US6615469 Method for retrofitting an underdrain
09/03/2003EP1340442A1 Water container with filter cartridge
09/03/2003CN1120031C Apparatus for removing material from pressurised filter
08/2003
08/28/2003US20030159979 Reservoir water treatment
08/27/2003CN2568273Y Water purifying filter net
08/21/2003US20030155289 Integrated filtration and media management system
08/20/2003EP1335882A2 Water treatment device
08/20/2003CN2566928Y Stainless steel air-water counter-washing filter brick
08/20/2003CN2566927Y Floating-ball type automatic layering filter device for sewage
08/20/2003CN2566926Y Fibre filter without sack
08/20/2003CN1437500A Aparatus and method for separation fluids from solids, providing suction on the sides and/or underneath a carrier belt
08/14/2003WO2003024560A3 Filter device for garden ponds or similar
08/13/2003CN2565519Y Filling fibre ball for filter
08/13/2003CN2565516Y Fibre ball filtering device
08/13/2003CN2565515Y Self-pressure oil-increasing fibre bundle fine filter
08/13/2003CN1117598C Method and apparatus for cleaning filter surface
08/12/2003US6605216 Deep media filter
08/12/2003US6605211 One-piece underdrain for swimming pool filters
08/06/2003CN2564222Y Thick liquid-residue filter
08/06/2003CN1433830A Long cellosilk high-speed filter
08/05/2003US6602408 Filtration system for water garden reservoir
08/05/2003US6602407 Oriented structure for treating a fluid
07/2003
07/31/2003US20030141229 Wastewater treatment apparatus
07/30/2003CN2562837Y Low pressure micro resistance quartz filter
07/30/2003CN2562836Y Mechanical regulating fibre high efficiency filter
07/23/2003EP1329251A1 Filter medium washing method and filter
07/23/2003EP0946248B1 Filter with counter flow clearing
07/23/2003CN2561487Y Filtering core
07/23/2003CN1431033A Beetling and cantilevered typed high speed filtering module with long fibers
07/23/2003CN1115303C Stuffing and filtering material loosening and washing method
07/23/2003CN1115182C Water filling and draining device for bag type dilter
07/22/2003US6596166 Apparatus for cleaning a filter cloth in a filtering device
07/17/2003US20030132169 Filter underdrain system for backwash flow and method for measuring same
07/16/2003EP1326694A1 Continuously operable rotating drum pressure differential filter, method and systems
07/16/2003CN2560412Y Improved filter structure
07/16/2003CN2560411Y Vertical grain flow dust collector
07/15/2003US6592755 System for treating wastewater
07/02/2003EP1322398A1 A device and a method for filtering a fluid
07/02/2003EP0754087B1 Air grid for underdrain and methods
07/02/2003CN2558433Y Air-water backflush filter pond reconstructed with syphon filter pond
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