| 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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| 04/02/2013 | US8409437 Underdrain system |
| 04/02/2013 | US8409311 Filtering device |
| 04/02/2013 | CA2583941C Filter cartridge |
| 03/27/2013 | EP2573049A1 Gravity-filtration water purifier |
| 03/27/2013 | CN202829748U High-efficiency flow-state sand filter |
| 03/27/2013 | CN202822907U Novel active carbon filter |
| 03/27/2013 | CN202822906U High-water quantity quartz sand filter |
| 03/27/2013 | CN202822905U Novel gravity type valveless filtering pool |
| 03/27/2013 | CN202822904U Novel active carbon filter |
| 03/27/2013 | CN103002964A Apparatus and method for de-watering of flocculated materials |
| 03/27/2013 | CN102989213A Quartz sand filter tank |
| 03/27/2013 | CN102989212A Water treatment filter element |
| 03/27/2013 | CN102989211A Filtering cup with good sealing property |
| 03/27/2013 | CN102989210A Silica nanomaterial filter assembly for waste insulating oil |
| 03/27/2013 | CN102989209A Conveniently-grabbed filter cup |
| 03/27/2013 | CN102218236B Aquiculture integrated water processing unit and flushing method thereof |
| 03/26/2013 | US8404112 Filter media for use in pool filters |
| 03/26/2013 | US8404011 Method and device for the regeneration of a particle filter arranged in the exhaust gas tract of an internal combustion engine |
| 03/21/2013 | WO2013039194A1 Cartridge for water purifier |
| 03/21/2013 | WO2012157992A3 Filter device for an aquarium |
| 03/21/2013 | US20130068687 Fine fibers made from polymer crosslinked with resinous aldehyde composition |
| 03/21/2013 | US20130068675 Unit, assembly and apparatus for treating fluid |
| 03/20/2013 | CN202809709U Drinking water purification pressure water tank |
| 03/20/2013 | CN202802865U Fibrous filter |
| 03/20/2013 | CN202802864U Filtering tank with conveniently changeable water distributor |
| 03/20/2013 | CN202802863U Filtering tank facilitating change of water distribution pipe |
| 03/20/2013 | CN202802862U Pulse injection type gas-water combined backwashing device |
| 03/20/2013 | CN202802861U Water filter |
| 03/20/2013 | CN102974138A Ultrasonic online regeneration active carbon filter and active carbon regeneration method thereof |
| 03/20/2013 | CN102974137A Filter cup convenient for injecting water |
| 03/20/2013 | CN102210947B Ripple runner sand washing moving bed sand filter and water treatment process thereof |
| 03/20/2013 | CN101918100B Predistribution filter plate with overflow tube for a fixed-bed reactor with descending gas/liquid co-current flow |
| 03/19/2013 | US8398850 Water treatment feeder device and a water treatment feeder system |
| 03/14/2013 | WO2013036055A1 Continuous circulation sand filter and continuous circulation sand filtering method |
| 03/14/2013 | WO2013035956A1 Method for preparing trialkoxysilane |
| 03/14/2013 | WO2013012233A3 Waste water disposal apparatus |
| 03/14/2013 | US20130062275 Process for production of honeycomb structure, honeycomb structure, and particulate filter |
| 03/13/2013 | CN202785856U Open type filtering degassing water treatment system |
| 03/13/2013 | CN202777964U Novel water distributor of medium filter |
| 03/13/2013 | CN202777963U Cross flow filtering device |
| 03/13/2013 | CN202777962U Pretreatment device for applying horizontal subsurface flow constructed wetland to landscape water body purification |
| 03/13/2013 | CN202777961U Quartz sand filter |
| 03/13/2013 | CN202777960U Multi-media filter |
| 03/13/2013 | CN202777959U Drainage device |
| 03/13/2013 | CN202777958U Active carbon filter |
| 03/13/2013 | CN202777957U Drifter treating and filtering device |
| 03/13/2013 | CN202777956U Filter core structure capable of being cleaned and filled with filtering medium |
| 03/13/2013 | CN202777955U Filtering device for wetland sewage purification treatment |
| 03/13/2013 | CN202777954U Active carbon fiber filter core |
| 03/13/2013 | CN202777953U Meshed plate for intercepting stuffing in filtering device |
| 03/13/2013 | CN102961904A Lightweight filter material filter |
| 03/13/2013 | CN102166454B Microcoagulation high-efficiency air-water scouring filter pool |
| 03/13/2013 | CN101991980B Fluid carbon filter sieve |
| 03/13/2013 | CN101607755B Water treatment apparatus and a method for cleaning a filter layer of a water treatment apparatus |
| 03/07/2013 | WO2013030545A1 Auger and method for remediating biological filter beds |
| 03/06/2013 | CN202762152U Multi-medium oilfield produced water filter |
| 03/06/2013 | CN202762151U Oil-extracting wastewater filtering tank |
| 03/06/2013 | CN202762150U Novel biological alcohol oil filter |
| 03/06/2013 | CN102949872A Water filtering system |
| 03/06/2013 | CN102251110B Method for recovering gold-loaded active carbon powder by using active carbon filter device |
| 03/05/2013 | US8388841 Filter cartridge, particularly for percolating filter jugs, and method of manufacturing it |
| 03/05/2013 | US8388741 Electrically heated particulate filter with reduced stress |
| 03/05/2013 | US8388721 Ceramic honeycomb filter and its production method |
| 03/05/2013 | US8388720 Jointing cement containing hollow spheres, for a particle filter |
| 03/05/2013 | US8388719 Ceramic filter comprising clay and process for preparing thereof |
| 03/05/2013 | US8388711 Autoselective regenerating particulate filter |
| 02/28/2013 | WO2012177366A3 Methods for cleaning water filtration media |
| 02/28/2013 | WO2012160359A3 Treatment device |
| 02/27/2013 | CN102940985A Rotary water and gas distribution brick |
| 02/27/2013 | CN102940984A Gravity type multilayered valve-free filtering water treatment device |
| 02/27/2013 | CN101810951B Novel semispherical cylindrical stainless steel water cap |
| 02/26/2013 | US8383066 Filter vial |
| 02/26/2013 | US8382994 Method of preparing a composite pressure vessel for use as a water treatment apparatus |
| 02/26/2013 | US8382980 Household water filter |
| 02/26/2013 | US8381928 Multilayer fuel tank with a seam having an overlay for reducing vapor permeation |
| 02/21/2013 | WO2012177373A3 Method and apparatus for filtration of lime-treated water |
| 02/20/2013 | EP2558181A1 Filter cartridge, in particular for cleaning dental wastewater |
| 02/20/2013 | CN202744350U Pull-insert type modularization filter device |
| 02/20/2013 | CN202740879U Drinking water purifier |
| 02/20/2013 | CN202740837U Sweet potato batter filter |
| 02/20/2013 | CN202740836U Wastewater copper-powder removal device for plate grinding machines for circuit board machining |
| 02/20/2013 | CN202740835U Novel quartz sand activated carbon filter device |
| 02/20/2013 | CN202740834U Filtering tank |
| 02/20/2013 | CN202740833U Variable void filter pond |
| 02/20/2013 | CN202740824U Oily sewage filter used for environmental protection of chemical industry |
| 02/20/2013 | CN102939264A Gravity-filtration water purifier |
| 02/19/2013 | US8377306 Method for treating a fluid using a self-organized network adsorbed on a surface |
| 02/14/2013 | US20130037495 Multi Layered Particulate Filter for Reducing the Turbidity and SDI of Water Filter |
| 02/14/2013 | US20130037489 Method and Apparatus for Separation of Impurities from Liquid by Upflow Granular Media Filters |
| 02/14/2013 | US20130037469 Integrated water filter and container |
| 02/13/2013 | CN202724786U General in-situ regeneration device for polluted raw materials |
| 02/13/2013 | CN202724785U Walnut-shell sewage filter |
| 02/13/2013 | CN202724784U Quartz sand filter |
| 02/13/2013 | CN202724783U Fibre ball filter |
| 02/13/2013 | CN202724782U Novel gravity valveless filtering pool |
| 02/13/2013 | CN202724781U Single-tank back wash sand filter in agricultural micro-irrigation system |
| 02/13/2013 | CN202724780U Gravity valveless filter pool |
| 02/13/2013 | CN202724779U Filter tank-improved low-resistance water and gas distribution system |
| 02/13/2013 | CN102921482A Pipetting gun head structure with filter elements |
| 02/13/2013 | CN102921208A Efficient continuous type reverse-particle-size filter device and technology |