Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
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)
07/2003
07/02/2003CN2558432Y Synergic composite active carbon filter
06/2003
06/26/2003WO2003051486A1 Filtration device
06/26/2003US20030116489 Aquarium cleaning system
06/25/2003EP1321031A2 Aquarium cleaning system
06/25/2003EP1320513A1 Ozone/uv combination for the decomposition of endocrine substances
06/24/2003US6581783 Fine solids separator
06/19/2003US20030111431 High rate filtration system
06/19/2003US20030111401 Water treatment plan: two-stage filtration
06/18/2003CN2555907Y Positive variable section filter pool without valve
06/18/2003CN2555906Y Positive variable section filter bed
06/18/2003CN2555905Y High efficiency pricision filter
06/18/2003CN1424129A Pressure sand filter and reverse flushing method
06/17/2003US6579456 Method and device for precipitating beverage sediment
06/12/2003US20030106859 Water pollution control; high speed, floating filter vessel
06/11/2003EP1317173A1 Milk filtration and filter regeneration
06/11/2003CN2555084Y Water saving full automatic filtering unit
06/10/2003US6576129 Recyclable filter cartridge and pressure vessel
06/05/2003WO2003045527A1 Method for backwashing granular media filters and bioreactors
06/05/2003WO2003045472A1 Filter cartridge assemblies and methods of filtering fluids
06/04/2003CN2553870Y Condensate deoil, deironing filter
06/04/2003CN1110458C Deep treatment and circulating reusing method of waste water in wire production
06/03/2003US6571959 Coolant fluid cleaning method and apparatus
05/2003
05/30/2003WO2003043716A1 Filter cartridge with regulated surface cleaning mechanism
05/30/2003WO2003043715A1 Filter device
05/29/2003US20030098276 Filter for removing bacteria and particulates from fluid stream
05/29/2003US20030098270 Filter cartridge assemblies and methods for filtering fluids
05/28/2003CN2553103Y Wellhead filter
05/27/2003US6569328 Underdrain filtration system with stamped perforations
05/27/2003US6569327 Apparatus for directing fluids through a filter system
05/27/2003US6569321 Method and apparatus for treating stormwater runoff
05/22/2003US20030095894 Suctioning the fluid through gel film to filter out the objects; micro-particles can be removed by keeping suction pressure weak to keep rate fixed and to maintain capacity while delaying clogging of second filter
05/22/2003US20030094407 Filter cartridge with regulated surface cleaning mechanism
05/15/2003WO2003018160A3 Biological filter structures
05/14/2003CN2550033Y Double layer filter material filter for waste water containing oil
05/14/2003CN2550032Y Walnut shell filter for waste containing oil
05/14/2003CN2550031Y 活性碳过滤机 Activated carbon filter
05/14/2003CN1417130A Elimination method of eliminated article
05/08/2003US20030085169 Filter cartridge with divided filter bed for gravity-flow use
05/07/2003CN2548685Y Backflush reversing valve of water purifier
05/07/2003CN2548684Y Intelligent water-saving filter
05/01/2003WO2003035213A1 Device and method for the purification of effluent
05/01/2003WO2003035212A1 Filter cartridge with divided filter bed for gravity-flow use
05/01/2003US20030080040 Lid for an underdrain block
05/01/2003US20030080039 Filter surface washer
04/2003
04/30/2003CN1413924A Automatic deaerating method of biofiter
04/30/2003CN1413757A Drain device for supporting filter medium
04/24/2003WO2003033099A1 Distribution and collection headers for a filter bed
04/23/2003CN1411886A Cover of drain device
04/23/2003CN1411885A Interlocking drain device
04/22/2003CA2211302C Electrocoalescent system for decontaminating water streams
04/17/2003WO2003031016A1 A water treatment tank with a retaining apparatus for a manifold within the tank
04/17/2003US20030070977 Wastewater processor
04/16/2003EP1301441A1 An oriented structure for treating a fluid
04/10/2003US20030066792 Vertical filter
04/09/2003EP0961648B1 Method for producing a filter bottom for water treatment
04/02/2003EP0956129B1 Water purification cartridge assembly with unidirectional flow through filter media
04/02/2003EP0949955A4 Gravity screen with burden removal and pore-cleaning means
04/02/2003CN2542313Y Quick-sand filtering equipment
04/02/2003CN1407909A Method for flushing particle-bearing filter beds to sterilise and decontaminate same
04/01/2003US6540910 Recirculation of wastewater in a filtration bed
03/2003
03/27/2003WO2003024560A2 Filter device for garden ponds or similar
03/27/2003US20030057161 Using chelating resins for removing copper; displacing absorbed copper by treating resins with hydrochloric acid or sulfuric acid solutions; waste from iodine recovery by copper mineralization of X-ray contrast agent production solutions
03/27/2003CA2459062A1 Filter device for garden ponds or similar
03/26/2003EP1294465A2 Apparatus and method for separating fluids from solids, providing suction on the sides and/or underneath a carrier belt
03/26/2003EP1294461A1 Device for purifying wastewater and method thereof
03/26/2003CN2541024Y Reinforced water cap
03/26/2003CN2541023Y 滤水器 Water Filters
03/20/2003WO2003022749A1 Ozone/uv combination for the decomposition of endocrine substances
03/20/2003WO2003022041A1 An aquaculture system
03/20/2003CA2460172A1 An aquaculture system
03/19/2003EP1292542A1 Effluent purifying device
03/18/2003US6533941 Comprises four concentric screens having deionizing filter material and hydrophobic and liquid hydrocarbon absorbent material for removing trash, sediment, liquid hydrocarbons, and metal ions
03/18/2003US6533931 Recycle filter cartridge and pressure vessel
03/18/2003US6533244 Backwash flow control valve
03/13/2003US20030047502 Underdrain system
03/13/2003DE20220168U1 Heat exchanger filter has packing spheres maintained at constant compression by spring-loaded pressure plates
03/06/2003WO2003018486A1 Filter assemblies with compressible filtering medium
03/06/2003WO2003018160A2 Biological filter structures
03/05/2003EP1287870A1 Water purification cartridge assembly with unidirectional flow through filter media
02/2003
02/27/2003US20030040108 Support structure; destroying volatility organic compounds
02/27/2003US20030038067 Recirculation of wastewater in a filtration bed
02/26/2003EP1285684A1 Process for minute dosing of gravity media filters
02/26/2003CN2537447Y Improved walnut shell filter
02/25/2003US6524849 Support with an ellipsoidal configuration, two opposit polar regions, and arcuate ribs extending from the medial ring to each polar region
02/20/2003US20030034286 Flow through drain filter for a stormwater or wastewater catch basin
02/20/2003US20030034285 Filter cartridge for water treatment device
02/18/2003US6521126 Pipe gallery for water filtration systems
02/13/2003WO2002030543A9 Continuously operable rotating drum pressure differential filter, method and systems
02/12/2003EP1144700B1 Improved method for filtering a metal liquid on a bed of refractory particulate material
02/12/2003CN2535107Y Fiber filtering unit with fiber spin function
02/12/2003CN1395977A Multi-layer filter pool
02/11/2003US6517712 Descending bed filter
02/06/2003US20030024885 Distributor/collector system
02/05/2003EP1007182B1 Method and plant for treating water incorporating a sedimentation tank and a multilayer filter operating at high speeds
01/2003
01/30/2003WO2003008065A1 Back washing valve and filtering apparatus with the same
01/30/2003WO2003008064A1 Distributor/collector system
01/29/2003CN2532902Y Automatic water-feeding water purifier
01/29/2003CN2532901Y Filter
01/29/2003CN1393568A Method for using air or water to reversely flush grain slag filter of blast furnace
01/29/2003CN1100006C Hydraulic automatic full plastic water treating system
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