Patents
Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
04/1997
04/15/1997US5620667 Recovering gypsum product of calcium compound slurry reacted with sulfur dioxide-containing flue gas with belt filter for slurry dehydration; simplification
04/15/1997US5620598 Suction head arranged between a filtrate channel and a barometric leg of a rotating filter
04/10/1997DE19537578A1 Waste water filter assembly screens operate in parallel within single main chamber
04/09/1997CN1147219A Separation apparatus nozzle assembly
04/08/1997US5618424 Rotary drum type device for separating solid particles from a liquid
04/08/1997US5618423 On-the-fly long-running rotary filtration screen device
04/08/1997US5618422 Disc filter sector
04/08/1997US5618415 Method for removing debris from a free flowing water system
04/03/1997WO1997011767A1 Electro-osmotic dewatering of sludges
04/02/1997CN1034396C 过滤装置 Filtration device
04/01/1997US5615776 Mounting & tensioning arrangements for screens
04/01/1997US5615494 Apparatus for treating a filter cake
03/1997
03/25/1997US5614094 Vibrating screen unit
03/25/1997US5613434 Method for controlling or regulating the pressing pressure for the separation of solids and liquids
03/22/1997CA2158767A1 Sand separating system
03/20/1997WO1997010380A1 Method and apparatus for cleaning a fiber pulp washer from stickies
03/18/1997CA2017588C Method and an improved apparatus for separating solid particles from a liquid
03/12/1997EP0760706A1 An apparatus, components and a method for the filtering of liquid
03/12/1997EP0697909A4 Anti-rewet deck for press rolls
03/12/1997EP0669848B1 A suction head arranged between a filtrate channel and a barometric leg of a rotating filter
03/06/1997WO1997007880A1 Device for withdrawing bulk material from a pressurised container
03/06/1997CA2227227A1 Device for withdrawing bulk material from a pressurised container
03/04/1997US5607588 Scraper for scraping filter cake from moving filter medium
03/04/1997US5607587 Screening apparatus for wood pulp
02/1997
02/20/1997WO1997005940A1 Single roll displacement wash press
02/20/1997CA2228845A1 Single roll displacement wash press
02/19/1997EP0758271A1 Separation apparatus nozzle assembly
02/18/1997US5603846 Fractional filtration method and fractional filtration apparatus
02/18/1997US5603829 Device for centrifugally and mechanically separating particulate contaminants from lube oil
02/12/1997EP0757584A1 Method and arrangement for recovering fiber
02/11/1997US5601712 Centrifugal apparatus for biological waste disposal
02/11/1997US5601192 Pressure sorter for fiber suspensions
02/11/1997CA2019712C Method and device for treatment of a fibrous material-fluid mixture
02/06/1997WO1997004165A1 Method and device for treating a pulp suspension
02/06/1997WO1997003765A1 Screen for use in vibratory shaker device
02/04/1997US5599444 Curtain tube, filter, and pump
02/04/1997US5599426 Conveying endless belt-supported spray-washed pulp slurry mat over spaced rolls to separate debris and dislodge slurry; recycling wastes
02/04/1997US5598930 Shale shaker screen
02/04/1997CA2090222C Filter apparatus for machine tool coolant
01/1997
01/29/1997EP0755293A1 A rotating disc filter means
01/29/1997EP0633807B1 Separator device
01/29/1997CN1141640A Process for producing polytetrafluoroethylene molding using lubricating, belt-press dehydrator, process for dehydration of solid wet matters
01/23/1997DE19603715C1 Cell-less drum filter
01/15/1997EP0670748B1 Method for treatment of aqueous soot/ash slurries
01/14/1997US5593583 Filter for continuous filtration of liquids containing solids in a closed cylindrical vessel
01/14/1997US5593579 Mechanically assisted hydraulic filter
01/07/1997US5591336 Apparatus for dewatering and or washing papermaking stock
01/07/1997CA2005687C Filter deck assembly sliding seal
01/03/1997WO1997000137A1 Apparatus for solid particle reduction
01/03/1997CA2224431A1 Apparatus for solid particle reduction
01/02/1997DE19523463A1 Filter for liquids contg. impurities, esp. impure cutting oil suspensions
01/02/1997DE19523462A1 Backwashing liq. filter esp. for coolant and lubricant suspension
01/01/1997CN2243934Y Pressing ring oil filter
12/1996
12/31/1996US5589079 Crystal recovery method employing a rotary vacuum filtration drum with valved hopper cake treatment means
12/31/1996US5589035 Liquid treatment device
12/27/1996WO1996041916A1 Drum supported by support rollers for washing fibre material
12/27/1996EP0749347A1 Processes and devices for removing coating layers from printed circuit boards
12/27/1996EP0749344A1 Method and apparatus for disposal of biological waste
12/27/1996EP0686056A4 Machine tool coolant filtering system
12/27/1996EP0655933A4 Modular device for the ease of use and installation of filtration textiles.
12/25/1996CN2243328Y Combined belt vacuum filter press
12/24/1996US5587073 End supported double drum waste water screen
12/21/1996CA2152198A1 Method and an apparatus for the purification of residual products from flue gas purification plants
12/19/1996WO1996040409A1 High volume self-cleaning filter
12/19/1996CA2234898A1 High volume self-cleaning filter
12/18/1996EP0748645A2 Rotating filter
12/18/1996CN1033559C Process and installation for the separation of solid-liquid-mixtures
12/11/1996EP0646199B1 Pressure sorter for fibre suspensions
12/10/1996US5582740 Diverter gate for selectively placing tools in filter tanks; filtration; pumping; circulation and reuse
12/10/1996US5582728 Pressure washer drum
12/10/1996CA2035465C Method for thickening and dewatering slurry sludge
12/05/1996WO1996038214A1 A device for filtration and a method for conversion
12/05/1996CA2219004A1 A device for filtration and a method for conversion
11/1996
11/28/1996WO1996037897A1 Process and device for separating a medium into a solid matter-containing component and a liquid component
11/28/1996DE19519493A1 Appts for sepn. of solids from a water flow
11/28/1996CA2221741A1 Method and apparatus for separating a medium into a solid-containing and a liquid constituent
11/21/1996WO1996036766A1 Fiber suspension thickener having improved discharge consistency
11/21/1996CA2218862A1 Fiber suspension thickener having improved discharge consistency
11/20/1996EP0743168A2 Pressing device for extracting liquid from a substance
11/14/1996WO1996035496A1 Device for and method of separating solids from liquids
11/14/1996DE19517255A1 Fastening arrangement for filter medium of drum filter
11/13/1996CN2239838Y Continuous filter press
11/12/1996US5573659 Filter apparatus
11/12/1996CA2003414C Pressure-fed separation apparatus
11/11/1996CA2149090A1 Vacuum filter element
11/06/1996EP0656804A4 System for separating solids from a liquid.
11/05/1996US5571404 Belt filter with means to advance the belt responsive to a capacitance signal
10/1996
10/31/1996WO1996033792A1 Shale shaker
10/29/1996US5569382 Belt filter device having a cleaning spray head
10/24/1996DE19521963C1 Filtering of particles in a fluid
10/24/1996DE19514596A1 Separator removing material from fluid feed has rotating, perforated separation drum
10/23/1996EP0738531A2 Rotary drum type device for separating solid particles from a liquid
10/22/1996US5567309 Self-filtration cap
10/22/1996US5566611 Apparatus for separating liquid from fibrous suspensions
10/15/1996US5565110 Drum filter shower roll
10/15/1996US5565095 Filter apparatus
10/15/1996US5565093 Conveyor-band filter apparatus
10/10/1996WO1996031268A1 Machine for dewatering a slurry of ultrafine solids
10/09/1996EP0642375B1 A device for separation of solid particles from a liquid mixture
10/09/1996CN1132996A Subdivided solids extraction method and apparatus
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