| 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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| 01/07/1997 | US5591330 Oil filter containing an oil soluble thermoplastic additive material therein |
| 01/03/1997 | WO1997000110A1 Lateral member assembly for underdrain lateral system |
| 12/31/1996 | US5589060 Filter for liquids, in particular internal-combustion engine lubricant oils |
| 12/27/1996 | EP0749346A1 Water treatment device |
| 12/27/1996 | EP0655938B1 Filter jug |
| 12/17/1996 | US5584998 Self-adjusting filter diffuser and method for assembling same in a filter housing |
| 12/12/1996 | DE19520861A1 Back-flushing arrangement for large-area water filters comprising perforated pipes |
| 12/10/1996 | US5582722 Continuous self-cleaning filtration unit |
| 12/10/1996 | US5582719 Filtration system |
| 12/05/1996 | WO1996038387A1 Method for biological cleaning of water, for the substrate culture of plants, and a filter and a filter unit therefor |
| 12/05/1996 | WO1996038239A1 Water recovery from a septic tank |
| 12/05/1996 | WO1996038214A1 A device for filtration and a method for conversion |
| 12/05/1996 | CA2222729A1 Water recovery from a septic tank |
| 12/05/1996 | CA2219004A1 A device for filtration and a method for conversion |
| 12/04/1996 | CN2241570Y Water purifier |
| 11/27/1996 | EP0652852B1 Waste water treatment |
| 11/27/1996 | CN2241010Y Household water purifier |
| 11/26/1996 | US5578200 Sewage treatment system |
| 11/21/1996 | DE19614817A1 Verfahren zur Überwachung der Qualität von Flüssigkeiten beim Rückspülen von Filterschichten A method for monitoring the quality of liquids during backwashing of filter layers |
| 11/19/1996 | US5575904 Fluid processing device with filter in helical channel tube |
| 11/16/1996 | CA2171354A1 Method for monitoring quality of liquid in backwashing filter beds |
| 11/13/1996 | EP0742037A2 Slurry filtration device and flue-gas desulfurization system |
| 11/13/1996 | EP0653952B1 Treatment device |
| 11/13/1996 | CN2239836Y Fiber bundle filter |
| 11/13/1996 | CN1135372A Slurry filtering equipment and flue gas sweetening system |
| 11/12/1996 | US5573671 Method of and apparatus for water purification |
| 11/12/1996 | US5573663 Fluid filter using floating media |
| 11/12/1996 | CA2003414C Pressure-fed separation apparatus |
| 11/06/1996 | CN2239425Y Household water purifier |
| 10/30/1996 | CN2238828Y Combined water purifying treatment device |
| 10/30/1996 | CN2238673Y No-valve automatic filter |
| 10/23/1996 | CN1134120A Filtration apparatus with filtrate recovery device |
| 10/22/1996 | US5567313 Condensate filter housing |
| 10/16/1996 | CN2237475Y High-efficient filtering pot for purifying water |
| 10/10/1996 | WO1996031440A1 Water filtration cartridge |
| 10/09/1996 | EP0642375B1 A device for separation of solid particles from a liquid mixture |
| 10/09/1996 | CN1132653A Water circulating filter method and apparatus |
| 10/02/1996 | CN2236347Y High Performance fiber filter |
| 10/01/1996 | US5560318 Method of raising sea-water fish, display tank for sea-water fish and tank system for raising sea-water fish |
| 10/01/1996 | CA2011666C Filter assembly |
| 09/24/1996 | US5558763 Sewage treatment system with air jetting means |
| 09/19/1996 | WO1996028252A1 Apparatus for purification of liquids |
| 09/19/1996 | WO1996028234A1 Filtration media retention device |
| 09/19/1996 | WO1996028233A1 Method of separating solids from liquids and/or separating emulsions |
| 09/19/1996 | DE19509367A1 Verfahren zur Fest-Flüssig-Trennung und/oder Emulsionsspaltung Method for solid-liquid separation and / or demulsification |
| 09/19/1996 | CA2213756A1 Apparatus for purification of liquids |
| 09/18/1996 | CN2235441Y Single step water treatment equipment |
| 09/11/1996 | EP0730895A2 Filter device |
| 09/11/1996 | CN2234810Y Siphon filtering chamber |
| 09/11/1996 | CN2234809Y Siphon sewage filter |
| 09/10/1996 | US5554281 Traveling bridge filter system and associated underdrain |
| 09/10/1996 | CA2170231A1 Filtration media retention device |
| 09/03/1996 | US5552045 Sliding shoe unit for automatic backwash filters |
| 08/28/1996 | EP0625066B1 Improvements in or relating to belt filters |
| 08/27/1996 | US5549826 Filtration bag |
| 08/20/1996 | US5547589 Water recovery from a septic tank |
| 08/20/1996 | US5547574 Apparatus for filtering mineral slurries |
| 08/14/1996 | CN1128677A Water purification device |
| 08/13/1996 | US5545338 Method for filtering mineral slurries |
| 08/13/1996 | US5545334 Method for sealing a traveling bridge filter backwash shoe |
| 08/08/1996 | WO1996023571A1 Filter device |
| 08/07/1996 | CN2232305Y High-efficiency water clarifier for household |
| 08/06/1996 | US5543037 Dynamic filtration filter apparatus with level control and deflector plate |
| 08/01/1996 | WO1996022945A1 Electrocoalescent system for decontaminating water streams |
| 07/31/1996 | EP0517737B1 Dual chamber water filter |
| 07/31/1996 | CN1032422C Separated closed circular water treating system for swimming pool |
| 07/24/1996 | EP0676985B1 Device and method for removing liquid on a gauze conveyor |
| 07/17/1996 | EP0721526A1 Method and apparatus for dewatering of a fibre suspension |
| 07/17/1996 | CN1126953A Method and apparatus for thickening lime mud with a disc filter |
| 07/17/1996 | CN1126629A Method for washing floating filtering material for biological filtering apparatus |
| 07/16/1996 | US5536417 Methods and systems for prewashing automatic backwashing filters |
| 07/16/1996 | US5536404 Wastewater effluent management system using a sand filter |
| 07/09/1996 | US5534202 Air grid for underdrains and similar systems |
| 07/04/1996 | WO1996020034A1 Method and device for purifying liquids, in particular polluted water for fighting fires |
| 07/04/1996 | WO1996010453A3 A filter, apparatus including the filter and a method of use of the apparatus |
| 07/04/1996 | CA2208604A1 Method and device for purifying liquids, in particular polluted water for fighting fires |
| 07/03/1996 | EP0719171A1 System and method of processing mixture of solids and liquids |
| 06/27/1996 | DE4446141A1 Vorrichtung und Verfahren zur Reinigung von Flüssigkeiten, insbesondere von kontaminiertem Löschwasser Apparatus and method for purification of liquids, especially contaminated fire fighting water |
| 06/26/1996 | CN1125433A A method and apparatus for drying sludges |
| 06/20/1996 | WO1996018447A1 Continuous self-cleaning filtration unit |
| 06/20/1996 | CA2207625A1 Continuous self-cleaning filtration unit |
| 06/19/1996 | EP0716720A1 Apparatus for fractionating suspensions |
| 06/19/1996 | CN2229295Y Full-automatic filter without backwash |
| 06/19/1996 | CN2229294Y Ultra-clean filter for group use |
| 06/18/1996 | US5527458 Device for continuous filtration and drying of a solid suspension |
| 06/18/1996 | US5527451 Water treatment device with volume totalization valve |
| 06/18/1996 | CA2091818C Method and apparatus for purifying islets of langerhans |
| 06/13/1996 | WO1996011045A3 Fluidized bed filter |
| 06/12/1996 | EP0715875A1 Filtration apparatus with filtrate recovery device |
| 06/12/1996 | CN2229018Y Self-closed two-way purifying water tap |
| 06/11/1996 | US5525214 Filter cartridge for water treatment device |
| 06/11/1996 | CA2026947C Turbidity monitoring apparatus and methods |
| 06/05/1996 | CN1123768A Composition for purifying and mineralizing drinking water |
| 05/30/1996 | WO1996016226A1 Apparatus and process for screening a fibre suspension and process for producing paper utilizing the same |
| 05/28/1996 | US5520804 Deep bed filtration system |
| 05/28/1996 | CA2052182C Systems and methods for clarifying liquids |
| 05/28/1996 | CA2052151C Declining rate filter systems and methods |
| 05/21/1996 | US5517714 Device for cleaning a circulating screen |
| 05/15/1996 | CN1122582A Rotating filter |
| 05/15/1996 | CN1122253A Oil-filter screen of cooking fumes exhauster |