| 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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| 09/29/2009 | US7594940 Electrically heated particulate filter diagnostic systems and methods |
| 09/29/2009 | CA2427382C Method for treating water containing manganese |
| 09/24/2009 | WO2009116479A1 Method for washing water supply pipeline of water-treating system |
| 09/24/2009 | US20090236298 Filter system with gas agitation |
| 09/23/2009 | EP2102115A1 Vertical-horizontal filter unit for the biological purification of polluted water |
| 09/23/2009 | CN101538091A Device capable of treating sewage into domestic water |
| 09/17/2009 | US20090230062 Separation method |
| 09/17/2009 | US20090230035 Advanced in-home water treatment system |
| 09/16/2009 | CN201308785Y Counter flow type filter |
| 09/16/2009 | CN101530684A Condensed water precision processing system |
| 09/15/2009 | US7588686 Dual porosity filter |
| 09/10/2009 | US20090223898 Industrial Silicon Carbide Filtration Method |
| 09/09/2009 | CN201304271Y Soil tubular billet continuous filter |
| 09/09/2009 | CN201304270Y Sewage filtering device |
| 09/09/2009 | CN201304269Y Back-washing filtering device |
| 09/08/2009 | US7585460 susceptible to thiobacillus, by putting said materials in contact with soluble inorganic salts such as sodium chloride (NaCl); for safe storage of sulfur recovered from the desulfuration of fossil fuels |
| 09/08/2009 | US7585416 Apparatus for filtration and disinfection of sea water/ship's ballast water and a method of same |
| 09/08/2009 | US7585347 Ceramic filter |
| 09/03/2009 | WO2009074816A3 Method for preparing a fuel oil and a fuel oil prepared by the same |
| 09/03/2009 | US20090218265 Instant Reverse-Flush Aquarium and Fish-Pond Filter |
| 09/02/2009 | EP2095858A1 Filtration device |
| 09/02/2009 | CN201299996Y Filtering device of circulating water of air conditioning system |
| 09/02/2009 | CN201299995Y Back washing water refiltration device for refrigerated water filter |
| 09/02/2009 | CN201299994Y Filter board module for fiber filter |
| 09/02/2009 | CN201299993Y Tube-type pressure iron and manganese removing filter component |
| 09/02/2009 | CN201299992Y Space-saving composite filter element |
| 09/02/2009 | CN101518699A Water purifying filter |
| 09/01/2009 | US7582211 Comprising intertwined nest-like strip having surface area shaped and sized for receiving bacteria present in liquid medium and for allowing attachment of bacteria onto surface of strip so as to promote growth of attached bacteria; use with septic tank and/or settling tank |
| 09/01/2009 | US7582141 Diesel particulate filter pulse cleaner flow director system and method |
| 08/27/2009 | US20090215618 Adducts of amines and polycarboxylic acids, and filter media comprising such adducts |
| 08/26/2009 | EP2091625A2 Sand filtering device |
| 08/26/2009 | CN201295558Y Oil filter |
| 08/26/2009 | CN201295557Y High speed thin layer filter |
| 08/26/2009 | CN201295556Y Back flush filter |
| 08/26/2009 | CN201295555Y Medium filter |
| 08/26/2009 | CN201295554Y Double-stage double-effect fully-fluidizing high-speed filter |
| 08/25/2009 | US7578932 Condensate recovery and treatment system |
| 08/19/2009 | EP2090546A1 Device for treating swimming pool water using ozone |
| 08/19/2009 | CN201291084Y Slab caster water-treatment filter-material trapper |
| 08/19/2009 | CN201291082Y Full-automatic oil-contaminated water filter type separator and separation system |
| 08/19/2009 | CN201291081Y Disk type fiber filter |
| 08/19/2009 | CN101511443A Method and apparatus for removing impurities in rejects from sequential filters using separate treatment units |
| 08/19/2009 | CN101507886A Multifunctional domestic water purifier |
| 08/19/2009 | CN100528282C Tankage system incorporating adsorption clarification and parallel plate separation. |
| 08/13/2009 | WO2009099882A2 Oil filters containing strong base and methods of their use |
| 08/13/2009 | CA2713868A1 Oil filters containing strong base and methods of their use |
| 08/12/2009 | CN201287005Y Pre-coated layer continuous renewing device of pre-coated mud filter |
| 08/12/2009 | CN101505847A An extruded porous substrate having inorganic bonds |
| 08/12/2009 | CN100525878C Granular filter material and fibrous filter material combined type filter |
| 08/12/2009 | CN100525877C Self-cleaning filter for micro-irrigation system |
| 08/11/2009 | US7572383 Process for filtering a fluid with a compressible filtration media |
| 08/11/2009 | US7571622 Refrigerant accumulator |
| 08/06/2009 | US20090194484 Oil Filters Containing Strong Base and Methods of Their Use |
| 08/05/2009 | CN201283252Y High-turbidity filter |
| 08/05/2009 | CN201283238Y 滤水帽 Drainage cap |
| 08/04/2009 | US7569196 inlet and outlet can be switched, each include a filter that keeps the catalyst in the reactor; without separate the catalyst off in extra step and without regular cleaning and shutdown the process; chemical reactor for use in oligomerization, metathesis, alkylation or isomerization |
| 07/30/2009 | WO2009092875A2 Predistribution filter plate with overflow tube for a fixed-bed reactor with descending gas/liquid co-current flow |
| 07/30/2009 | US20090188870 Uses of Fibrillated Nanofibers and the Removal of Soluble, Colloidal, and Insoluble Particles from a Fluid |
| 07/30/2009 | US20090188854 Filter device for filtering liquid from a source |
| 07/29/2009 | CN201279403Y Obverse and inverse water-washing tower filter special for country |
| 07/29/2009 | CN201279402Y Continuous composite environmental-protection filter |
| 07/29/2009 | CN201279401Y Improved tap-water purifier filter-element |
| 07/23/2009 | US20090184054 Adsorbent bed for water treatment |
| 07/23/2009 | US20090184038 System and method for removing particles from a treatment basin |
| 07/22/2009 | EP1680362A4 Liquid filtration apparatus and method embodying super-buoyant filtration particles |
| 07/22/2009 | CN201275438Y Automatic flushing device of filter with multi-layer mixing filtering materials for oil-contaminated water |
| 07/21/2009 | US7563412 a filter arranged in the vessel and a filtrate outlet for evacuating the filtrate out of the filter; filter is connected to the filtrate outlet; means for delivering a gas into the vessel in a region of the vessel near to the bottom and beside the filter; simple, inexpensive |
| 07/21/2009 | US7563366 System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process |
| 07/21/2009 | US7563362 Auto-regenerable hot and cold water softener |
| 07/21/2009 | CA2446146C Continuous filtration device with pivoting cells |
| 07/16/2009 | WO2009088288A1 Device for cleaning a fluid by means of a filter bed and method for determining the extent of movement of the filter bed |
| 07/16/2009 | US20090178982 Cartridge filter cleaning method and apparatus |
| 07/15/2009 | CN201271530Y Water filtering apparatus |
| 07/15/2009 | CN201271529Y Filter element with replaceable filter material |
| 07/15/2009 | CN101480542A Water cap with improved structure |
| 07/15/2009 | CN100512917C Filtering device |
| 07/14/2009 | US7559967 fired cells with overcoating; catalyst comprises platinum, palladium or rhodium; catalytic converters; capturing particulates in exhaust gases; air pollution control; environmentally friendly |
| 07/09/2009 | US20090173679 Biological removal method of phosphorus and nitrogen using granulated methan-oxidizing bacteria and apparatus therefor |
| 07/08/2009 | EP1885468A4 Apparatus and method for distributing gas and liquid during backwash in filter underdrain flumes using dual separation |
| 07/08/2009 | CN201267734Y H type high-efficient filtering equipment |
| 07/08/2009 | CN201267733Y Layer type sewage cleaner |
| 07/08/2009 | CN201267732Y Backwashing high-efficient defluorination and ferro manganese purifier |
| 07/08/2009 | CN201267731Y Water purification apparatus capable of automatically backwashing in operation |
| 07/08/2009 | CN101474500A Fibre filter material filtering basin |
| 07/08/2009 | CN101474499A Fine filtering process and device for dry-cleaning solvent |
| 07/07/2009 | US7556665 a diesel particulate filter for trapping and removing particulates included in exhaust gas discharged from a diesel engine; capable of increasing a maximum soot amount for regeneration without consideration of the location of layers of bonding material in a cross section perpendicular to one axis |
| 07/02/2009 | WO2009081458A1 Method of filtering crystallization slurry |
| 07/02/2009 | WO2009080369A2 Hollow/porous fibers and applications thereof |
| 07/02/2009 | US20090166299 Oil Filter, A System, and A Mehtod For Deterioration Control |
| 07/01/2009 | CN201263910Y Upward flow filtering equipment |
| 07/01/2009 | CN201263909Y Ultrasonic cleaning filter |
| 07/01/2009 | CN201263908Y Barrier filter plate for fibre bundle filter |
| 07/01/2009 | CN201263907Y Support member of fibre filter material |
| 07/01/2009 | CN201263906Y Straight-through filter element for water processor |
| 07/01/2009 | CN100506343C Method of fabricating a semiconductor device |
| 07/01/2009 | CN100506342C Method for treating sewage by physical booster backflow filter |
| 06/30/2009 | US7553801 concentrated fuel additive in solid or gel form, dissolution time in the fuel is less than or equal to about 160 minutes; contains a fuel soluble thermoplastic elastomer, detergent, a solid water removal agent; capsule, gel capsule, or tablet; easily dispensed to fuel tank by end-user in effective amount |
| 06/30/2009 | US7553422 Method and device for purifying water of nuclear installations |
| 06/30/2009 | US7553416 Caustic silica gel manufacturing method and gels made thereby |
| 06/30/2009 | US7553413 Plasma concentrator device |