Patents
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)
03/1998
03/18/1998EP0828544A1 A device for filtration and a method for conversion
03/18/1998CN2276365Y 过滤器 Filter
03/18/1998CN1176633A Electrocoalescent system for decontaminating water streams
03/18/1998CN1037749C Water purification device
03/17/1998US5728303 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization
03/17/1998US5727908 Air lift pump for wet particulates
03/11/1998CN2276019Y Ultrafiltration water purifier
03/11/1998CN2275897Y 酸浴浮体过滤器 Acid bath float filter
03/11/1998CN2275896Y Fully automatic siphon water supply filtering equipment
03/11/1998CN1175556A Facilities for treating waste water on large scale
03/10/1998US5725766 Sewage dewatering equipment
03/05/1998WO1998008586A1 Fluidized bed filter
03/05/1998DE19634792A1 Pond filter
02/1998
02/25/1998CN2275092Y Household water purifier
02/24/1998US5720875 Waste treatment system having means for controlling filtered backwash
02/19/1998WO1998006473A1 Device for continuous filtration of liquids
02/19/1998DE19632447A1 Beseitigungsvorrichtung Removing device
02/18/1998CN1173381A Liquid purifying unit
02/11/1998EP0823276A1 Filter device with meshed insert
02/09/1998CA2182934A1 Filtration bag
02/06/1998CA2211221A1 Filter means with fabric insert
02/05/1998WO1998004332A1 Apparatus for distributing gas and liquid during concurrent gas/liquid backwash in flat bottom flumes
02/04/1998CN2273613Y Fiber filtering apparatus for eddy washing
02/04/1998CN1171975A Wooden filtering material water purification method and structure of filter element
02/03/1998US5714077 Liquid filtration system
01/1998
01/27/1998US5711874 Ceramic grains
01/27/1998CA2134749C A device for separation of solid particles from a liquid mixture
01/21/1998EP0819100A1 Water filtration cartridge
01/15/1998WO1998001205A1 Sealing shoe for celless traveling bridge filter
01/15/1998DE19622727C1 Appts. for purifying rainwater
01/14/1998EP0817666A1 Method of separating solids from liquids and/or separating emulsions
01/14/1998EP0687194B1 Improved strainer
01/14/1998CN1036975C Reverse washing method of water processing apparatus using floating filtering material
01/13/1998US5707536 Multicompartment housings with caps and septums
01/08/1998WO1998000219A1 Microcolumn for extraction of analytes from liquids
01/07/1998EP0814908A1 Apparatus for purification of liquids
01/07/1998EP0708676B1 Method and apparatus for thickening lime mud with a disc filter
01/07/1998CN2271921Y 重力滤池 Gravity Filter
01/07/1998CN2271920Y Water-mineralizing minifilter
01/07/1998CN2271919Y 可调纤维密度过滤器 Adjustable fiber density filters
01/06/1998US5705068 Feeding suspension to a disc filter
12/1997
12/31/1997CN2271401Y Mobile sewage purifying apparatus
12/29/1997EP0813502A1 Electrocoalescent system for decontaminating water streams
12/17/1997EP0695383A4 Post-treatment of nonwoven webs
12/17/1997CN2270728Y Mercury sewage treatment pot
12/17/1997CN2270549Y Filter separating device
12/17/1997CN1167731A Apparatus for producing deoxygenized hot water for tyre plant
12/16/1997US5698106 Countercurrent flow
12/16/1997US5698097 Oil filter including replaceable primary and secondary flow filter elements
12/11/1997WO1997046493A1 A method and a device for the purification of fluids
12/10/1997CN2269888Y 污水净化器 Water purifier
12/09/1997US5695638 Liquid filter
11/1997
11/27/1997WO1997044111A1 Radial-flow fluidizable filter
11/26/1997EP0696227B1 Rotating filter
11/26/1997CN2268566Y 净水器 Water Purifier
11/19/1997EP0689521A4 Compact clarifier system for municipal waste water treatment
11/12/1997EP0642373B1 Method and apparatus for separating gaseous bubbles and sand fro m a liquid flow
11/12/1997CN1164433A Closed horizontal-flow type filter capable of automatically cleaning filtering layer and its filtering method
11/06/1997WO1997040907A1 Fluid treatment media support system
11/05/1997CN2266447Y Vortex gravity pouring float filtering device
11/04/1997US5683583 Sewage dewatering equipment
10/1997
10/28/1997US5681472 Method and apparatus for separating gaseous bubbles and sand from a liquid flow
10/28/1997US5681465 Filtration equipment with filtrate recovery process
10/22/1997CN2265364Y Drinking-water purifying storage device
10/22/1997CN2265230Y Vertical clamp-board type filter with fabric filter material
10/22/1997CN2265229Y Filter for water treatment
10/22/1997CN2265228Y high-effciency filter
10/22/1997CN2265227Y High-effciency energy-saving filter pot
10/22/1997CN1036176C Method for supplying a suspension to a filter and device therefor
10/15/1997EP0776244A4 Lateral member assembly for underdrain lateral system
10/15/1997EP0755292A4 Apparatus and method for improving gas backwash in lateral underdrains
10/14/1997US5676847 Supplying crystals to rotary filter under pressure, filtering, washing filter cake, recycling washing liquid
10/08/1997EP0799083A1 Method and device for purifying liquids, in particular polluted water for fighting fires
10/08/1997CN2264174Y Filter with fibre density adjusted
10/07/1997US5674383 Filter for the purification of water
10/07/1997US5674380 Oil filter and filter blockage alarming system
10/07/1997US5674117 Compression belt separation apparatus
10/07/1997US5673481 Air grid for underdrains and similar systems
10/01/1997EP0798026A1 Reaction vessel
10/01/1997EP0798025A2 Filtering device
09/1997
09/24/1997EP0690739B1 Method for supplying a suspension to a filter and device therefor
09/24/1997EP0651671B1 Air-liquid separator assembly and system
09/17/1997CN2262449Y 连续砂滤器 Continuous sand filter
09/17/1997CN2262448Y Carbon granule rod type melted sizing liquor filter
09/16/1997US5667670 Wastewater effluent management system using a sand filter
09/11/1997DE19608372A1 Water rises through drinking water filter insert expelling air bubbles
09/10/1997EP0793988A2 Filter for a motorized sweeper and related machine
09/10/1997EP0793750A1 Apparatus and process for screening a fibre suspension and process for producing paper utilizing the same
09/10/1997EP0641239B1 Filtering apparatus
09/10/1997CN1158750A Device for filtering, washing and drying solid material-liquid mixture
09/09/1997US5665224 Filter jug
09/03/1997CN2261285Y Aerated gas-water back-impacting filtering pool
09/03/1997CN2261284Y High performance fiber cellless mechanical filter
08/1997
08/26/1997US5660733 Sewage dewatering process
08/26/1997US5659973 Device and method for removing liquid on a gauze conveyor
08/20/1997CN2259936Y Filtration apparatus with fiber packings
08/20/1997CN2259935Y Siphon filtering tank for tap water
08/19/1997US5658459 Dual velocity strainer
08/14/1997WO1997028881A1 Pelletized composition for treatment of storm water runoff
08/14/1997WO1997028877A1 Water purification cartridge assembly with unidirectional flow through filter media
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