| 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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| 04/07/2009 | US7513993 Filter devices including a porous body |
| 04/01/2009 | CN201214637Y Oil-containing and polymer-containing sewage washing sand leach tank |
| 04/01/2009 | CN201214029Y Filter plate module of fiber filter |
| 04/01/2009 | CN101400421A Multisection filtering device |
| 04/01/2009 | CN101396621A Connection method of filtering filter-core and machine base |
| 03/31/2009 | US7510589 machining production method using at least one rotating tool; joining the fibers together to form a gas-permeable layer. |
| 03/31/2009 | US7510088 Liquid filter cartridge |
| 03/31/2009 | CA2519235C Filter media with enhanced microbiological interception capability |
| 03/26/2009 | US20090078639 Biofilter media and biofiltration apparatus employing same |
| 03/25/2009 | CN201211443Y Non-valve filter with variable backwashing flow |
| 03/24/2009 | US7507372 Using aqueous solutions containing chlorine oxide |
| 03/21/2009 | CA2639666A1 Biofilter media and biofiltration apparatus employing same |
| 03/19/2009 | WO2009034359A1 Coatings to resist and protect against aquatic biofouling |
| 03/19/2009 | US20090075137 Filter, hydrogen generator and fuel cell power generation system having the same |
| 03/19/2009 | US20090071914 Underdrain for a filter system for filtering water or wastewater and a method of washing the filter system |
| 03/19/2009 | US20090071909 Washbox |
| 03/18/2009 | EP2035108A2 Method and apparatus for removing impurities in rejects from sequential filters using separate treatment units |
| 03/18/2009 | EP1812132A4 Fluid distribution apparatus |
| 03/17/2009 | US7504058 Rotomolding a plastic container, a plastic strainer basket support, and a plastic outlet baffle; welding the support to the inlet inside the container and the baffle at the outlet; installing removal mechanism a sectional cover; and mounting covers to the basket support and the outlet baffle |
| 03/12/2009 | WO2009032269A1 Replaceable filter elements including unique interfaces and filtration systems including same |
| 03/12/2009 | US20090065423 Filter sak |
| 03/11/2009 | EP2033700A1 Filter cartridge |
| 03/11/2009 | CN100467399C Pressurization organism filter |
| 03/11/2009 | CN100467094C Waste water treatment reusing complete plant for water spraying loom |
| 03/11/2009 | CN100467074C Filter cartridge assemblies and methods for filtering fluids |
| 03/05/2009 | WO2009028630A1 Filtration device |
| 03/05/2009 | US20090057228 System and method of filtering using stratified activated carbon |
| 03/04/2009 | CN101376530A Water filter |
| 03/04/2009 | CN100464812C A treatment apparatus of artificial reinforced land percolation sewage |
| 03/03/2009 | US7497340 Manifold and filter assembly with filter basket |
| 02/26/2009 | US20090050557 High-bond strength silicon and a method for the production and use thereof |
| 02/26/2009 | DE112007000886T5 Mehrfachfilteranlage Multiple filter system |
| 02/25/2009 | CN201197912Y Functional water filter |
| 02/25/2009 | CN201197911Y Acid bath filter for cellophane |
| 02/25/2009 | CN201197910Y Functional water shower filter |
| 02/25/2009 | CN201197909Y Straight tube filter element |
| 02/25/2009 | CN101374580A System and method for mutually locking supporting block body |
| 02/25/2009 | CN101374579A Self lubricating binders for ceramic extrusion |
| 02/25/2009 | CN100463870C Drinking water emergency purifying process and its apparatus |
| 02/25/2009 | CN100463710C Fiber tow for fiber filter |
| 02/19/2009 | US20090045135 Method for water filtration |
| 02/18/2009 | EP1799079B1 Filter cartridge and seat element for a filter cartridge |
| 02/18/2009 | CN201195065Y High-efficiency energy-conservation deferrization and demanganization filter for groundwater |
| 02/18/2009 | CN201195064Y Portable water purifying tube |
| 02/18/2009 | CN101370748A Geopolymer composites and structures formed therefrom |
| 02/17/2009 | US7491330 Earthenware filter using silver chloride treatment for water disinfection; disinfecting pottery toilet liners by saturating with silver nitrate and reacting with sodium chloride solution to form silver chloride |
| 02/12/2009 | US20090039009 Distributor plates for composite pressure vessel assemblies and methods |
| 02/11/2009 | EP1578520B1 Method for preparing an ion exchange medium |
| 02/11/2009 | CN201192594Y Cleaner special for air-floating filtering material |
| 02/11/2009 | CN201192593Y Slide board type active carbon fiber water filter |
| 02/11/2009 | CN201192592Y Small-sized purifier for purifying natural environmental water |
| 02/11/2009 | CN201192591Y Back flush filter |
| 02/11/2009 | CN201192590Y Supporting layer of filter pot module |
| 02/10/2009 | US7488418 Methods and apparatuses for filtering water |
| 02/10/2009 | US7487876 Particles with silver carried and producing method thereof |
| 02/10/2009 | CA2272762C Distributor device for water conditioner backflush apparatus |
| 02/05/2009 | US20090032453 Filter Cartridge for Use in a Water Storage Tank |
| 02/05/2009 | DE202008015742U1 Filterungsvorrichtung mit einem durch Sicht kontrollierbaren Filter Filtering device with a controllable by visual filters |
| 02/05/2009 | DE102007037766A1 Filterkartusche und -Einrichtung für die Wasseraufbereitung Filter cartridge and setup for water treatment |
| 02/04/2009 | CN201189412Y Filter for collecting the infection source substance in blood |
| 02/04/2009 | CN100457639C Method for processing organic wastewater |
| 02/04/2009 | CN100457229C Miniature hydro-power processing system |
| 02/03/2009 | US7486962 Extruded porous substrate having inorganic bonds |
| 02/03/2009 | CA2468507C Filter cartridge assemblies and methods of filtering fluids |
| 01/28/2009 | CN201186177Y Filter chamber operation console |
| 01/28/2009 | CN201186176Y Ground water filtration device |
| 01/27/2009 | US7481930 Filter having a filter layer that forms a protective barrier to prevent clogging of a gravel-less underdrain and method of making the same |
| 01/21/2009 | CN201182930Y Sewerage flushing sand filtering pot containing polymer and cure activator |
| 01/21/2009 | CN201182929Y Integral environment friendly energy conservation filter |
| 01/21/2009 | CN101347689A Straight-through filter element for purifying water and uses thereof |
| 01/20/2009 | US7479231 Method and apparatus for separating fluids having different densities |
| 01/14/2009 | EP1243298B1 Filling out-flow preventing filter and absorber attached with it |
| 01/14/2009 | CN201180287Y Domestic wastewater recycling system |
| 01/14/2009 | CN201180278Y Rainwater filtering and recycling system |
| 01/14/2009 | CN201179368Y Back washing control device of filter |
| 01/14/2009 | CN201179367Y Extrusion pressing type fibrous filter |
| 01/14/2009 | CN101342431A Movable spray filter |
| 01/14/2009 | CN101342430A Circulation water purifier for water treatment |
| 01/14/2009 | CN100450946C Printing and dyeing waste water treatment method based on film technology |
| 01/14/2009 | CN100450592C Metal smelting factory sewage reclaiming method based on membrane filtering technique |
| 01/13/2009 | US7475477 Method for making drainage elements |
| 01/08/2009 | DE202008013244U1 Durchström-Einrichtung für ein flüssiges oder gasfömiges Medium The flow-through device for a liquid medium or gasfömiges |
| 01/07/2009 | CN201175599Y Biochemistry device |
| 01/07/2009 | CN101337138A Variable-volume sewage interception and acceptance solid-liquid separator and method thereof |
| 01/06/2009 | US7473362 Water treatment system |
| 01/01/2009 | US20090001028 Two-stage oxygenation system for use with a fluidized bed reactor |
| 01/01/2009 | US20090001012 Substrates Comprising Anti-Microbial Compositions and Methods of Making and Using the Same |
| 01/01/2009 | US20090001011 Gravity flow filter |
| 12/31/2008 | WO2009002466A1 Method and apparatus for separating cooking oils from snack food products through a quasi-continuous centrifuge action |
| 12/31/2008 | WO2009001156A1 Portable pyramid-shaped filtration unit |
| 12/31/2008 | CN201171929Y Sewage blocking device for treating industry waste water |
| 12/31/2008 | CN201171928Y Water filter showering device |
| 12/31/2008 | CN201171927Y Complex type water filtering core |
| 12/31/2008 | CN101332371A Backwashing self-cleaning filter for processing the printing and dyeing wastewater |
| 12/31/2008 | CN101332370A Use of dribbling filter and artificial cotton in dribbling filtration |
| 12/31/2008 | CA2691744A1 Method and apparatus for separating cooking oils from snack food products through a quasi-continuous centrifuge action |
| 12/30/2008 | US7470372 Fluid treatment device |
| 12/24/2008 | EP1644096B1 Water tank with filter cartridge |
| 12/24/2008 | CN201168472Y Filter with filtering cotton cleaner |
| 12/24/2008 | CN201168471Y Continuous highly effective running sand filter |