Patents
Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
04/2003
04/09/2003CN1104926C Enclosed continuous filter
04/08/2003US6543623 Belt filter press with winged primary roller
04/08/2003CA2262150C Rotary drum type dehydrator
04/03/2003US20030062317 Uses a screen to capture the particulate matter from a liquid reaction. The screen is a hand-held device or the screen is part of an apparatus
04/02/2003CN2542318Y Multi-purpose solid-liquid separating screen
03/2003
03/26/2003EP1294495A1 Apparatus and methods for making a screen and a screen made by the method
03/26/2003EP1294465A2 Apparatus and method for separating fluids from solids, providing suction on the sides and/or underneath a carrier belt
03/26/2003EP1294463A1 Device for purifying thermoplastic materials
03/26/2003EP0989897B1 Bar screen basket for fiber suspensions and method for the production thereof
03/26/2003CN1103561C Subdivided solids extraction method and apparatus
03/20/2003WO2003022399A1 Filtering apparatus
03/20/2003WO2003022041A1 An aquaculture system
03/20/2003US20030052067 Self-cleaning fuel oil strainer
03/20/2003CA2460172A1 An aquaculture system
03/19/2003EP1292377A2 Pressure liquid filtration with ultrasonic bridging prevention
03/19/2003CN2540208Y Water filter unit
03/13/2003US20030047493 Shale shaker
03/12/2003EP1289623A1 Apparatus for electrodewatering
03/12/2003EP1289622A1 Centrifuge with sieve and method for operating said centrifuge
03/12/2003CN1401440A Device and method for connecting screen mesh
03/11/2003US6530483 Unibody structure for screen assembly
03/11/2003US6530482 Tandem shale shaker
03/06/2003WO2003018907A1 Seal at press rollers
03/06/2003WO2003018171A1 Nozzle for cleaning mesh filters
03/06/2003WO2003018160A2 Biological filter structures
03/06/2003US20030043136 Information transfer system, a transmitter, a receiver and a record carrier for use in the system
03/06/2003US20030042179 Vibratory separator screens
03/06/2003US20030042178 Method and device for joining screens
03/05/2003EP1287910A1 Method and device for joining screens
03/03/2003WO2002020182A1 Device and method for sieving, sizing, sifting, filtering or sorting substances
03/03/2003CA2421224A1 Device and method for sieving, sizing, sifting, filtering or sorting substances
02/2003
02/27/2003US20030040108 Support structure; destroying volatility organic compounds
02/27/2003US20030038094 Bisphenol phenol adducts
02/27/2003US20030038061 Screen with unibody structure
02/25/2003US6524849 Support with an ellipsoidal configuration, two opposit polar regions, and arcuate ribs extending from the medial ring to each polar region
02/20/2003WO2003013690A1 Screen system
02/20/2003US20030034314 System and method for receptacle wall vibration in a centrifuge
02/18/2003US6521121 Apparatus for removing material from pressurised space
02/18/2003US6520073 Moisture reduction press
02/13/2003WO2002030543A9 Continuously operable rotating drum pressure differential filter, method and systems
02/12/2003EP1202787B1 Sieving device
02/12/2003CN1396890A Water treatment unit
02/11/2003US6517722 Self cleaning fuel oil strainer
02/11/2003US6517612 Centrifugal filtration device
02/11/2003CA2133197C Mounting and tensioning arrangements for screens
02/06/2003US20030024869 Belt filter press with improved belt washer assembly
02/05/2003EP1281427A1 Filter medium, manufacturing method and use
02/05/2003CN1100585C 液体分离旋转控制头 Liquid separation rotary control head
02/04/2003US6514421 Screen basket for use with centrifuge; wear resistance
02/04/2003US6514381 Method and apparatus for continuous mechanical thickening of slurry
01/2003
01/28/2003US6511595 Apparatus and methods for separating solids from flowing liquids or gases
01/28/2003US6510947 Screens for vibratory separators
01/28/2003CA2253350C Continuous belt drilling mud separation system
01/23/2003DE20215591U1 Conveyor belt filtering device used for mechanically cleaning liquids contaminated with solids comprises endless filter belt having filtering elements connected to each other by hinge, drive for belt, and frame
01/22/2003CN2531862Y Ceramic filter board
01/16/2003WO2003004131A1 Sequential swinging precoat removal and renewal system, filter so equipped and method
01/16/2003WO2003004130A1 Method and apparatus for extracting liquid present in a humid mass
01/16/2003US20030010723 Controlling filters for use in removing solids from a solid/liquid mixture or metal working fluids; specifically relates to highly efficient filter assembly for use in swarf removal systems
01/16/2003US20030010709 Corrosion-resistant filter element
01/16/2003US20030010705 Rotary drum filter
01/16/2003US20030010693 Green garbage treatment apparatus
01/16/2003US20030010437 Screens for vibratory separators
01/16/2003CA2449985A1 Method and apparatus for extracting liquid present in a humid mass
01/15/2003EP1274496A1 Device for filtering flowable media
01/15/2003EP1206413B1 System and method for treating water circulating in open-circuit cooling systems
01/15/2003CN1390618A Methd for improving filtrate distributing tray of horizontal disk filter
01/09/2003WO2001054794A9 Rotary drum filter
01/08/2003CN2529693Y Rotating disk vacuum filtering machine
01/05/2003CA2352414A1 Device for controlling and keeping cakes in a rotary press
01/02/2003EP1270058A2 A screen for use in a shale shaker and method for using same
01/02/2003EP1268034A1 Rotary drum filter
01/02/2003EP1268032A2 A screen assembly, a support structure, a method of making same and a vibratory shaker
12/2002
12/31/2002US6500347 Oxidizing para-xylene with molecular oxygen in a solvent containing catalyst, acetic acid and water as solvents, and crystals of crude terephthalic acid are recovered by feeding a flash vapor, obtained by depressurizing oxidation liquid
12/31/2002US6500331 Machine for micro-filtering solid particles suspended in a liquid stream
12/27/2002WO2002102491A1 Grading or filtration device for multi-phase mixtures
12/27/2002WO2002053259A3 Rotary filter with a blowback valve
12/26/2002US20020195388 Advanced leaf disc filter segment
12/25/2002CN1386562A Method and unit for levelling filter disc assembly of rotary disc vacuum filter
12/19/2002WO2002100513A1 Filter cloth for a filtration device and method for installation of a filter cloth
12/19/2002WO2002100512A1 Rotating filter system
12/19/2002US20020190009 Treatment method for things like sludge and treatment apparatus
12/18/2002CN2526073Y Closed explosion-proof drum vacuum filter for insoluble sulphur solid-liquid separation
12/11/2002EP1264627A1 Filter cloth for a filtering device and method for mounting a filter cloth
12/11/2002EP1137469B1 Device for separating waste water
12/10/2002US6491168 Pulp screen basket
12/10/2002US6490941 Elliptic motion driving apparatus for a step screen
12/05/2002WO2002096536A1 Dehydrating press for a sludge
12/04/2002EP1261407A2 Filter, for microfiltration in particular and equipment comprising such a filter
12/04/2002CN2523485Y Continuous pneumatic filter
12/04/2002CN1382512A Rotary disk vacuum filter
12/03/2002US6488849 Rotating device for continuously filtering a liquid such as a solution containing a precipitate
12/03/2002US6488842 Filtering device
11/2002
11/28/2002WO2002094413A1 Advanced leaf disc filter segment
11/28/2002US20020175111 Vibratory separator
11/26/2002US6484885 Solids raised screens
11/21/2002WO2002092520A1 Sludge concentrating method and device
11/20/2002EP1258572A2 Filter device for filtering water leaving a tank holding dirty water
11/20/2002EP1257506A1 Method for reducing specific resistance to filtration of biological sludge derived from a waste water purifying station
11/20/2002EP1257413A1 Method for extracting liquid from a cellular material and devices therefor
11/20/2002EP1017471B1 An apparatus for screening and compacting
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