| 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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| 05/11/2011 | CN201823356U Low-pressure micro-resistance quartz sand filter |
| 05/11/2011 | CN201823355U Water purifier and fluid well-distributing assembly used for same |
| 05/11/2011 | CN101614026B Integrated rainwater collecting and utilizing device |
| 05/11/2011 | CN101376530B Water filter |
| 05/10/2011 | US7938971 Fluid filter apparatus and methods |
| 05/05/2011 | WO2011052938A2 High speed filtration device using porous media, and backwash method thereof |
| 05/05/2011 | US20110100925 Washbox |
| 05/05/2011 | US20110100888 Washbox |
| 05/05/2011 | CA2777191A1 High speed filtration device using porous media, and backwash method thereof |
| 05/04/2011 | CN201815158U Clustered photoelectric energy filter element |
| 05/04/2011 | CN102046256A Backwashing unsaturated wastewater filter |
| 05/04/2011 | CN102039062A Leukocyte remover for extracorporeal circulation |
| 05/03/2011 | US7935167 Composite ceramic body, method of manufacturing the same and ceramic filter assembly |
| 04/28/2011 | WO2011049546A1 Apparatus for installation of ultraviolet system for ballast water treatment in explosive atmosphere of shipboard pump rooms and offshore platforms |
| 04/28/2011 | WO2011048960A1 Filtration apparatus and filtration method |
| 04/27/2011 | EP2314365A1 Diatomaceous earth filter apparatus |
| 04/27/2011 | EP1812132B1 Fluid distribution apparatus |
| 04/27/2011 | CN201807217U Automatic traveling bridge backwashing filter |
| 04/27/2011 | CN201807216U Round-bunch-shaped membrane filtration separating unit |
| 04/27/2011 | CN201807215U Automatic back-flushing device of underground water purifier |
| 04/27/2011 | CN201807214U In-filter-element aeration cleaning energy-saving fiber filtering bed |
| 04/27/2011 | CN102036919A Wastewater purification with nanoparticle-treated bed |
| 04/26/2011 | US7931715 DPF heater attachment mechanisms |
| 04/21/2011 | WO2011046753A1 Increased efficiency strainer system |
| 04/21/2011 | CA2777051A1 Increased efficiency strainer system |
| 04/20/2011 | EP2311778A1 Pond filtration apparatus |
| 04/20/2011 | EP2310618A1 Separation of drill cuttings from drilling fluid on a seabed |
| 04/20/2011 | CN201801397U Trickling filter reactor for removing contaminants in drinking water |
| 04/20/2011 | CN201799147U Up-flow fibrous bundle filtering device |
| 04/20/2011 | CN201799146U Bottom filter device of chromatographic column |
| 04/20/2011 | CN201799145U Displacement suspension fiber bundle filtering device |
| 04/20/2011 | CN201799144U Mechanical compression vertical current fiber bundle filter device |
| 04/20/2011 | CN101704616B Bioactive percolated domestic sewage treatment device |
| 04/20/2011 | CN101597115B Self-cleaning iron ion removing separation device |
| 04/20/2011 | CN101538093B Central water treatment device |
| 04/20/2011 | CN101244348B Energy recovery system and method for a refrigerated dehumidification process |
| 04/13/2011 | EP2308578A1 Filtering device |
| 04/13/2011 | EP1992448B1 Filtering device |
| 04/13/2011 | CN201791411U Discontinuous flow differential pressure backwashing filter |
| 04/13/2011 | CN201791410U Multilayer filtering element cartridge interlayer support fixing frame structure |
| 04/13/2011 | CN102015053A Secure web based transactions |
| 04/13/2011 | CN102008841A Non-cutoff differential pressure backwashing filter |
| 04/12/2011 | US7922903 System and method for uniformly distributing a fluid through a filter bed in a filter |
| 04/12/2011 | US7921697 Method and apparatus for monitoring an underdrain of a filter system |
| 04/07/2011 | WO2011041513A2 Clog resistant media retainer assembly |
| 04/07/2011 | WO2011038468A1 Filtration medium |
| 04/06/2011 | CN201783237U Seawater active carbon cylindrical filter |
| 04/06/2011 | CN201783236U Pipeline-type water purifier |
| 04/06/2011 | CN201783235U Filter element of filter |
| 04/06/2011 | CN102000454A Membrane filtration device with floating structure |
| 04/06/2011 | CN102000453A Kieselguhr filter for water treatment |
| 04/05/2011 | US7919025 Membrane structure and method of making |
| 04/05/2011 | US7918914 Exhaust gas treatment component |
| 03/31/2011 | WO2011037422A2 Water treatment device for underground water |
| 03/31/2011 | US20110073549 Clog Resistant Media Retainer Assembly |
| 03/30/2011 | CN201778800U Scale separating and removing filtering device for oil extraction and transportation equipment |
| 03/30/2011 | CN201775996U Fibrous bundle filter |
| 03/30/2011 | CN201775995U Sand filter |
| 03/30/2011 | CN201775994U Male die glass fiber reinforced plastics high-speed sand filter |
| 03/30/2011 | CN201775993U Preposed filter for resin oil removing equipment |
| 03/30/2011 | CN101991980A Fluidzed carbon filter sieve |
| 03/30/2011 | CN101991979A Filter seal head |
| 03/30/2011 | CN101323481B High speed water supply aerating biological filter and method for pretreating micro-polluted raw water using the same |
| 03/29/2011 | US7914663 Structure, porous body, sensor, process of structure and detecting method for specimen |
| 03/24/2011 | US20110068061 Integrated Measurement System For Use with Surgical Fluid Salvage Containers |
| 03/23/2011 | CN201768412U Quartz sand siphon filter |
| 03/23/2011 | CN201768411U Upflow backwashing suspended filter material continuous filter device |
| 03/23/2011 | CN201768410U Upflow dynamic backwashing suspended filter material continuous filtering device |
| 03/23/2011 | CN201768409U Gas floating type reverse washing sand filtering continuous filter device |
| 03/23/2011 | CN201768408U Device for using microporous ceramic membrane to treat water in pit |
| 03/23/2011 | CN201768407U V-shaped groove in V-shaped filter tank |
| 03/23/2011 | CN201768406U Integral type filter plate and filter head component |
| 03/23/2011 | CN101987260A Emptying or water filling cleaning method for filter material layer of filter |
| 03/17/2011 | WO2011032154A1 Filter blood fluid channel methods, devices and systems |
| 03/17/2011 | DE19941706B4 Verfahren zum Austragen körnigen oder granularen Schüttguts eines Fest- oder Schwebebettfilters aus einem Behälter Method for discharging granular or granular bulk of a fixed or floating bed filter from a container |
| 03/16/2011 | EP0682554B2 Filtration process |
| 03/16/2011 | CN201760140U Improved sewage filter |
| 03/16/2011 | CN201760139U Mechanical-regulation longitudinal flow fiber bundle filter device |
| 03/16/2011 | CN101024529B Water treatment apparatus with pre-sieving device and method |
| 03/15/2011 | US7905939 Block for filtering particles contained in exhaust gases of an internal combustion engine |
| 03/15/2011 | US7905933 Exhaust gas purifier and filter regenerator |
| 03/10/2011 | US20110056892 Macrocyclic pore-apertured carbon nanotube apparatus |
| 03/10/2011 | US20110056890 Stormwater filtration apparatus, system and method |
| 03/10/2011 | US20110056881 Household water filter |
| 03/10/2011 | US20110056880 System for stiffening the plates of a large-diameter multi-stage column |
| 03/08/2011 | US7901576 Composite water treatment vessel including liquid distributor plates |
| 03/03/2011 | WO2011026025A1 Devices and methods for removing contaminants and other elements, compounds, and species from fluids |
| 03/02/2011 | CN201752593U Layered and shunted running water purifier |
| 03/02/2011 | CN201752592U Horizontal multi-medium filter |
| 03/02/2011 | CN201752591U Glass fiber reinforced plastic high-speed sand filter with improved structure |
| 03/02/2011 | CN101982216A Backwashing method and device of filter |
| 03/02/2011 | CN101982215A Primary sewage treatment device |
| 03/01/2011 | US7897040 Washbox |
| 03/01/2011 | US7896168 Block of activated carbon filter particles coated with a cationic polymer; permeability regulates the pressure drop across a filter while simultaneously improving the removal of small suspended particles; drag reducing polymer; providing potable water; metal-free microbiocides |
| 02/24/2011 | US20110042287 Portable Water Softener |
| 02/22/2011 | US7892309 Production method of honeycomb filter and honeycomb filter |
| 02/17/2011 | WO2011018721A1 Filtering system for swimming pools |
| 02/17/2011 | WO2011017768A1 Water filtration sytem with activated carbon and zeolite |
| 02/17/2011 | CA2770910A1 Water filtration sytem with activated carbon and zeolite |
| 02/16/2011 | CN201744207U Integrated filter |