Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 24 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
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)
10/1998
10/21/1998EP0779840B1 Gas entrainment/flotation reactor with arrangements for separating solids from liquids
10/14/1998EP0870527A1 System and filter cartridge with a granular and cellular material
10/14/1998EP0755292B1 Apparatus and method for improving gas backwash in lateral underdrains
10/11/1998CA2234466A1 Filtration system and cartridge containing alveolar granular material
10/07/1998EP0710145B1 Refrigeration circuit filtering device and method for making same
10/07/1998CN2293370Y Self-controlling continuous flow filter
09/1998
09/30/1998CN1194245A Composite circular water treating system
09/30/1998CN1194239A Hydraulic automatic full plastic water treating system
09/23/1998EP0865812A1 Construction set for assembling separators for light and/or heavy liquids
09/23/1998CN2291959Y High-effect filter
09/17/1998WO1998040316A1 Device for distributing and/or collecting water passing through an immersed filter bed and biological filter provided with same
09/17/1998WO1998040147A1 Improved water filter cartridge container and method of assembly
09/17/1998WO1998040146A1 Ascending filtration device for waste water
09/16/1998CN2291412Y 蒸馏水机 Distilled water machine
09/11/1998WO1998039780A1 Bwr emergency core cooling system strainer
09/11/1998WO1998039080A1 In-line gravity driven liquid filtration device useable to filter blood or blood products
09/11/1998CA2282400A1 Bwr emergency core cooling system strainer
09/11/1998CA2281532A1 In-line gravity driven liquid filtration device useable to filter blood or blood products
09/09/1998EP0641292B1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
09/08/1998US5804080 Computer controlled method of operating a swimming pool filtration system
09/08/1998US5804062 Water treatment plant with clarifier and peripheral filter
09/02/1998EP0762920A4 Bypass filtering
08/1998
08/27/1998WO1998036816A1 Method for producing a filter bottom for water treatment
08/26/1998CN2288759Y Multi-champer filter
08/26/1998CN2288758Y Backward double cartridge and filter element
08/26/1998CN1191206A Method and system for physical purifying of industrial sewage
08/25/1998US5798040 Water purification cartridge assembly with unidirectional flow through filter media
08/19/1998CN2288178Y Super efficient water purifier
08/13/1998WO1998035132A1 Prepacked flush joint well screen
08/13/1998WO1998034881A1 Receptacle for sterilizing drinking water
08/13/1998CA2280916A1 Prepacked flush joint well screen
08/12/1998EP0857507A1 Filter with bed of granular material
08/12/1998CN2287503Y 管道过滤器 Pipe filter
08/11/1998US5792368 Fluidized bed filter
08/11/1998US5792359 Sealing shoe for celless travelling bridge filter
08/05/1998CN2287153Y Magnetic water purifier
08/05/1998CN2287150Y Super-purifying,-minerizing and-magnetizing apparatus for dirnking water
08/05/1998CN1189390A Spiral non-dead zone gas/water reversely-flushing filter head
08/05/1998CA2225480A1 Filter filled with loose bulk material
08/04/1998CA2130104C Filter for free-flowing materials, in particular plastic melts containing impurities
07/1998
07/29/1998CN2286644Y Hand valve kick-back filtering device
07/22/1998CN2286478Y Back washing and separated drum type high effect domestic water purifying apparatus
07/22/1998CN1188460A Apparatus and process for non-chemical plasma ion disinfection of water
07/22/1998CN1188444A Composite particulate material and process for preparing same
07/21/1998US5783066 Plastics articles
07/16/1998WO1998030311A1 Gravity screen with burden removal and pore-cleaning means
07/16/1998WO1998030307A1 Apparatus for the separation of cystic parasite forms from water
07/16/1998CA2277087A1 Gravity screen with burden removal and pore-cleaning means
07/15/1998CN1187379A Continuous iron powder filtering deoxidation method and device thereof
07/14/1998US5779895 Granular media filter including media settler assembly
07/14/1998US5779887 Gravity screen with burden removal and pore-cleaning means
07/08/1998EP0548289B1 Method of washing an upflow filter
07/08/1998CN2285771Y Purifying water supply apparatus
07/07/1998US5776335 Gas entrainment flotation reactor with arrangements for separating solids from liquids
07/02/1998WO1998028058A1 Method and device for continuous filtration of liquids
07/02/1998DE19738067A1 Filtration apparatus for tertiary treatment of waste water
07/02/1998DE19732737C1 Connection fitting especially for water filter tank
07/01/1998CN2285154Y 一种供水过滤器 One kind of water filter
06/1998
06/23/1998US5770071 Sand filter for a wastewater effluent management system
06/23/1998US5770056 Sewage dewatering equipment
06/18/1998WO1998025681A1 High rate filtration system
06/16/1998US5766488 For contacting water with ozone
06/10/1998EP0754087A4 Air grid for underdrain and methods
06/10/1998CN2283646Y Pressure purification water back
06/09/1998US5762797 Antimicrobial filter cartridge
06/09/1998US5762785 Swimming pool filter
06/04/1998WO1998023357A1 Filter with counter flow clearing
06/03/1998EP0844915A1 Water recovery from a septic tank
06/03/1998CN1183736A Apparatus and method for improving gas backewash in lateral underdrains
06/02/1998US5759412 Control method and apparatus for backwash of filter media bed based water volume in filter basin
06/02/1998US5759397 Filter with spray cake removal means
06/02/1998US5759387 Grey water filter tank recovery system and filter backwashing system
05/1998
05/28/1998WO1998022197A1 Cyclodextrin polymer separation materials
05/27/1998CN2282447Y Adjustable fibre sensity filter
05/26/1998US5755959 Device for supplying a suspension to a filter at different levels within the filter and in proportions such that a uniformly distributed flow of suspension is achieved across the filter area
05/26/1998CA2191283A1 Flow collector/distributor for fluid filtration tanks and fluid filtration tanks comprising the same
05/26/1998CA2075785C Self-cleaning strainer
05/22/1998WO1998020956A1 Water filtration technique using granular media
05/20/1998CN2281826Y Water supply filter
05/20/1998CN1181990A Mist collecting filtering element
05/14/1998WO1998019766A1 Wastewater management system
05/13/1998EP0703876B1 A method and apparatus for drying sludges
05/12/1998US5750041 Buoyant filter confined by wire mesh screen
05/12/1998US5749155 Device for removing liquid on a gauze conveyor and hollow roll comprising a tube for use in such a device
05/05/1998US5746913 Continuous sand filter
04/1998
04/30/1998WO1998017370A1 Method and apparatus for cleaning a filter surface
04/30/1998CA2268714A1 Method and apparatus for cleaning a filter surface
04/22/1998EP0836553A1 Composite particulate material and process for preparing same
04/09/1998WO1998014259A1 Air scour/backwash apparatus for celless traveling bridge filter
04/08/1998CN2277813Y Filtering device of net fibre filter material
04/08/1998CN1178479A Method of separating solids from liquids and/or separating emulsions
04/02/1998WO1998013122A1 Common base for a filter container and a pump
03/1998
03/31/1998CA2012832C Traveling bridge filter with surface wash
03/26/1998DE19639262A1 Gemeinsamer Sockel für einen Filterbehälter und eine Pumpe Common base for a filter tank and a pump
03/25/1998EP0653953B1 Loading control system for a centrifugal machine
03/25/1998CN2276937Y High efficiency large capacity and high cloudiness sewage purifying unit
03/25/1998CN2276832Y High speed sands filter
03/25/1998CN1176840A Positive pressure filtration type domestic water purifier
03/24/1998US5730886 Continuous self-cleaning filtration unit
03/18/1998EP0829456A2 Sewage Treatment Plant
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