Patents
Patents for B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131)
05/2000
05/09/2000US6059966 Cartridge filter with frame
04/2000
04/13/2000WO2000020096A1 Filter and method of filtering a fluid
04/12/2000CN2373153Y 污泥脱水机 Sludge dewatering
03/2000
03/22/2000EP0719169B1 Filter element fixation for filter presses
03/21/2000CA2157245C A method and arrangement relating to press filters
03/16/2000WO2000013767A1 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids
03/16/2000CA2343402A1 Fluid treatment elements, methods for cleaning fluid treatment elements and methods for treating fluids
03/15/2000CN2368587Y Automatic filter press
03/15/2000CN1247480A Filtration device
03/15/2000CN1247479A Flat filter element and filter module composed of filter elements
03/14/2000US6036859 Filter press apparatus
03/09/2000DE19905674C1 Tower filter press with horizontal plate assemblies includes clearance between plastic plate and frame, with fluid connections permitting thermal expansion and contraction to prevent distortion
03/09/2000DE19904637C1 Filter press comprises hydraulic cylinders to bring plates and seals into contact, where they are held on anchor bars whilst hydraulic ring-bellows exerts evenly-distributed closure force, enabling shorter construction
03/08/2000CN2367370Y Improved water-filtering device
03/02/2000WO2000010684A1 Filter module
03/02/2000WO2000010683A1 Filter module
03/02/2000DE19843028A1 Drying system for accumulated filter cakes in a filter press has heat applied directly to the side of the filter cake away from the membrane to form a vapor layer to press out retained fluid under vacuum
03/01/2000CN2366161Y Net and pressing type oil filtering machine
02/2000
02/24/2000WO2000009434A1 Lifting device for transporting disk stacks
02/24/2000WO2000009239A1 Edge seal for filter cartridge
02/24/2000DE19837257A1 Stacked filter module comprises inter-layered filter medium, drainage spacers, seals and passage sections
02/24/2000CA2337403A1 Lifting device for transporting disk stacks
02/23/2000EP0980285A1 Filtration cassette article and filter comprising same
02/23/2000CN2364950Y Water level control actuating water and air filtering device for closed water container
02/16/2000CN1244439A Filter cake unloading and filter cloth washing mechanism and method for press filter and press filter with said mechanism
02/09/2000EP0978304A2 Filter press with alternating diaphragm squeeze chamber plates and filtration chamber plates
02/09/2000EP0833685B1 Filtration system for removing solid particles
02/09/2000CN2362571Y Active material feeding inlet novel structure for automatic filter press
02/09/2000CN2362570Y Agitator for ceramic filter machine
02/02/2000CN2361356Y Direct black liquor filtering device for papermaking rotary spherical digester
01/2000
01/26/2000EP0973596A1 Filter device with filter disks
01/25/2000US6017450 Filter press frame
01/19/2000CN2358965Y High-speed pressure filter
01/12/2000EP0969910A1 Filtration device
01/05/2000CN2356732Y Combined plate frame for filter press
12/1999
12/29/1999EP0966999A1 Annular sealing element for filtering cartridges, filtering cartridge comprising such element and fuel filtering unit comprising such cartridge
12/29/1999CN2355768Y Filter mechanism for fully automatic continuous press filter
12/28/1999US6007717 Filter cloths incorporating a feed passage connector for use with plate-type filter presses
12/22/1999EP0949950A4 Filter bag and process of manufacture
12/22/1999CN2354630Y Purifying and filtering tank for water drinking machine
12/21/1999US6004462 Filter element
12/16/1999WO1999064132A1 Filtering element for use in a filtering device
12/16/1999CA2333569A1 Filtering element for use in a filtering device
12/15/1999CN2353433Y 多孔陶瓷过滤器 Porous ceramic filter
12/14/1999US6001249 Multi-stage water filter system
12/14/1999US6000558 Filter cartridge construction and process for filtering particle-containing paint composition
12/08/1999CN1237544A Pneumatic slurry press-filtering dehydration method and its equipment
12/01/1999EP0959977A1 Flat filter element and filter module composed of filter elements
12/01/1999EP0959976A1 Modular filter apparatus
12/01/1999CN2351173Y Paper-making black liquor deep-layer adsorbing filter
12/01/1999CN1237114A Pressure filter
10/1999
10/28/1999DE19916826A1 Brewing mash filter press, useful for beer production
10/27/1999EP0951328A1 Filter cloth caulking tool
10/20/1999EP0949954A1 Apparatus for continuous purification of liquids, dewatering and drying of the separated solids
10/20/1999EP0949950A1 Filter bag and process of manufacture
10/20/1999CN2344071Y Box type automatic filter press with open-flow of 750 sq.m
10/20/1999CN2344070Y 'Clean water' automatic cold-hot drinking machine
10/13/1999CN2342866Y Drawplate car for machinery discharging
10/06/1999EP0946244A1 Filter press
10/05/1999US5961827 Apparatus for dewatering of sludge and similar substances
09/1999
09/29/1999EP0892669A4 Torsion resistant filter structure
09/29/1999CN2340487Y High-performance oil filter
09/28/1999US5958173 Method of fabricating a filter screen
09/22/1999CN2339281Y Inosculated diaphragm filter board
09/22/1999CN2339280Y Filtering plate of box-type pressure filter
09/07/1999US5947462 Latching mechanism for fluid containment assembly
08/1999
08/26/1999DE19807769A1 Holder for modular ceramic micro-filter
08/25/1999EP0869868A4 Vacuum drying diaphragm filter press plates
08/17/1999US5938920 Filter plate assembly for horizontal-type filter press
08/04/1999CN2331406Y Rubber filter net for filter board of pressure filter
07/1999
07/29/1999WO1999037379A1 Method of fabricating a filter screen
07/28/1999EP0862489A4 Filter press with weight-responsive bumping of filter plates
07/21/1999CN1223160A Multi-stage water filter system
06/1999
06/30/1999CN2326316Y Water-valve type purifying magnetizing device
06/30/1999CN2326315Y Double-air-inflating pressure vertical filter press for fine coal
06/23/1999CN2325098Y PP gradient smelting jetting filtration plate
06/23/1999CN2325097Y Integrated and box-like pressure filtration equipment with separation film
06/23/1999CN2325096Y Water saving type water purification equipment with filtration film
06/23/1999CN1220617A Fluted filter media
06/23/1999CN1220616A Inline filter apparatus
06/23/1999CN1220614A 锥形过滤器 Cone filter
06/16/1999CN2323847Y Concave squeezing diaphragm for squeezing pressure filter
06/03/1999WO1999007455A3 Filter press
06/02/1999DE19828883C1 Washing, drying and sterilization of filter cake in automatic filter presses
05/1999
05/26/1999EP0917900A1 Multi-stage water filter system
05/26/1999CN2320308Y Triangular ridge peripheral water filter for drainage bin
05/26/1999CN2320307Y Self-unloacing screen filter
05/11/1999US5902364 Conical filter
05/06/1999CA2250558A1 Multi-stage water filter system
04/1999
04/28/1999CN2316017Y Fin type filter plate
04/28/1999CN2316016Y Concentrating device for medical test solution
04/22/1999WO1999019042A1 Filter module
04/20/1999US5895574 Rolled liquid filter using fluted media
04/15/1999WO1999017861A1 Optimized wax for sealing the edge of a filter sheet
04/15/1999DE19744572A1 Filter module has a clamped filter cell stack
04/15/1999CA2305519A1 Optimized wax for sealing the edge of a filter sheet
03/1999
03/31/1999EP0904143A1 Fluted filter media
03/18/1999WO1999013034A1 Method of dry-fractionating fat and stationary crystallization apparatus
03/18/1999WO1999012634A1 Moulded filter media comprising a sheet of porous nonwoven material
03/18/1999WO1999012627A1 Filter press frame and method
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