Patents
Patents for B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131)
03/1999
03/18/1999DE19740794A1 Production of a plastic moulding with internal cavities, e.g. a filter press element
03/18/1999CA2302589A1 Moulded filter media comprising a sheet of porous nonwoven material
03/17/1999CN2310611Y Integrated bath waste water cleaning and purifying device for reusing
03/10/1999EP0900118A1 Inline filter apparatus
03/10/1999EP0900115A1 Conical filter
03/10/1999CN2309875Y Water filter
03/09/1999USRE36133 Support having portions disposed radially inward of outer edges; polymer filters
03/03/1999CN2309174Y Improved structure of water softener
02/1999
02/24/1999EP0897736A1 Frame for supporting a filter press and method for assembling this frame
02/24/1999EP0897318A1 Separation apparatus and components thereof
02/18/1999WO1999007455A2 Filter press
02/17/1999CN1208158A Air purifying machine
02/10/1999CN2306823Y Boiling water filter for boiler
02/09/1999US5868930 Filtration cassette article and filter comprising same
02/03/1999EP0894518A2 Driving means for cleaning and shifting devices in filter presses
02/03/1999CN2306056Y Vapour-liquid conic distributor for packing multi-tube tower
02/03/1999CN2306055Y Screw differential pressing device for pressure filter
02/03/1999CN2306054Y Plate frame filtering concentrator
02/02/1999CA2119924C Filter carrier
01/1999
01/27/1999EP0892669A1 Torsion resistant filter structure
01/26/1999US5863429 Method and apparatus for removing water from sludge and similar substances
01/20/1999EP0623049B1 Inorganic filtering unit comprising at least one integrated network for the flow of a liquid medium to be treated and/or of the recovered filtrate
01/12/1999US5858231 Filter apparatus
01/12/1999US5858230 Hub ring and supporting plate for a filter
01/05/1999US5855778 Filter press
12/1998
12/30/1998CN2302050Y Pressure solid and liquid separating machine
12/23/1998EP0885642A1 Tool for the assembly of the cylindrical parts of two flanged bushings
12/22/1998US5851387 Filter plate feed port clamp
12/17/1998DE19745289C1 Filterpress
12/16/1998CN1201852A Filter for pulp fluid used in manufacturing paper
12/08/1998US5846415 Apparatus for regenerating filter clothes of filter press
12/02/1998EP0808204B1 Filtration apparatus
12/02/1998CN2298852Y Special mechanical reciprocating frame opening device of filter press
12/01/1998US5843310 Filter unit for filter press
11/1998
11/18/1998CN2297234Y Water filter for aquarium
11/04/1998EP0874674A1 Full flow/bypass filter assembly
11/03/1998US5829138 Hub ring and supporting plate for a filter and methods for manufacturing these members
10/1998
10/28/1998EP0873240A2 Filter press
10/21/1998CN1196336A Method for disposing printing and dyeing waste water and filter installation used
10/15/1998WO1998045022A1 Filter device with filter disks
10/15/1998CA2284592A1 Filter device with filter disks
10/14/1998EP0869868A1 Vacuum drying diaphragm filter press plates
10/13/1998US5820646 Inline filter apparatus
10/08/1998DE19714187A1 Filtervorrichtung mit Filterscheiben Filter apparatus with filter discs
09/1998
09/30/1998CN2292591Y 携带式滤水器 Portable water filters
09/24/1998DE19733486C1 Drive for filter press cleaning and/or filter plate displacement device
09/23/1998EP0865813A1 Filter cartridge with a frame
09/23/1998CN1193652A Plant filter press and controlling device for reducing water content in solid and/or slurry materials
09/16/1998CN2291411Y Intermediate drainage system capable of making resin regenerate
09/16/1998CN2291186Y Box-type filter concentrator
09/09/1998EP0862489A1 Filter press with weight-responsive bumping of filter plates
09/09/1998EP0814896A4 Filtration cassette article, and filter comprising same
09/09/1998CN2290382Y Automatic cake unloading device of filter press
09/09/1998CN2290381Y Special filtering plate mechanical pressuring device of filter press
09/08/1998US5804073 Method of making a pleated structure having a pleated memory shape and the filter media made therefrom
09/08/1998US5804070 Filter press for filtering suspensions, especially sewage sludge
09/03/1998DE19705856A1 Flaches Filterelement und aus Filterelementen zusammengesetztes Filtermodul Flat filter element and composed of filter elements filter module
09/03/1998DE19705855A1 Filtrationsvorrichtung Filtration device
08/1998
08/27/1998DE19707167A1 Drinks filter assembly raised from surrounding drainage channel
08/26/1998EP0860188A1 Filter press
08/26/1998CN2288762Y Plate and frame for high speed filter press
08/26/1998CN2288761Y Horizontal forward washing automatic plate and frame press
08/26/1998CN2288760Y Exhaust gas and waste residue filtering sedimentation purifier for cement kiln
08/25/1998US5798049 Filter layer made of polypropylene of definate porosity and a spacer polymer layer of larger porosity than filter layer with raised projections, used to filter paint, capable of retaining larger particles which cause surface imperfection
08/20/1998WO1998035741A1 Filtration device
08/20/1998WO1998035740A1 Flat filter element and filter module composed of filter elements
08/20/1998CA2278805A1 Filtration device
08/20/1998CA2278803A1 Flat filter element and filter module composed of filter elements
08/19/1998CN2287993Y Shift type automatic contamination draining water purifier
08/11/1998US5792348 Steel reinforced filter press plates
08/06/1998WO1998033573A1 Modular filter apparatus
08/04/1998US5788860 Method for manufacturing a supporting plate for a filter
07/1998
07/22/1998CN1188423A Filtration system for removing solid particles
07/16/1998WO1998030308A1 Filtration cassette article and filter comprising same
07/15/1998EP0852962A1 Filter plate
07/14/1998US5779899 Used for removing foreign matters and producing refined polymer
06/1998
06/30/1998US5772883 Slanted inline filter
06/23/1998US5770063 Plate-retaining assembly for filter press
06/23/1998CA2088213C Apparatus for removing filtrate from filter media
06/18/1998WO1998025684A1 Apparatus for continuous purification of liquids, dewatering and drying of the separated solids
06/18/1998CA2274683A1 Apparatus for continuous purification of liquids, dewatering and drying of the separated solids
06/09/1998US5762786 Plate filter press
06/04/1998WO1998023355A1 Filter bag and process of manufacture
06/04/1998WO1998023354A1 Filter cloth caulking tool
06/04/1998CA2269521A1 Filter bag and process of manufacture
06/03/1998CN2282914Y Automatic variable pumping device for filter press
06/03/1998CN2282913Y Filter unit with sealing glue line
06/02/1998US5759398 Screen for inlet opening of a pump
05/1998
05/28/1998DE19648354A1 Industrial liquid filter assembly has sideways-movable filter plate
05/26/1998US5755962 For pressurized fluids; elongated filtration membrane sheet, nondeformable plastic webbing
05/26/1998US5755034 Method for manufacturing a hub ring for a filter
05/20/1998DE19716927C1 Filter plate
04/1998
04/30/1998WO1998017367A1 Filter press
04/30/1998DE19643391A1 Arrangement of drinks production filter, cheaply made and of good durability
04/30/1998CA2268798A1 Filter press
04/22/1998CN2279201Y Efficient pressing rubber board for pressure filter
04/22/1998CN1179731A Filtration apparatus
04/21/1998US5741419 Filter press for filtering liquid slurries
04/21/1998US5741418 Filter cloth suspending apparatus in filter press
04/14/1998US5738875 Process for preparing solid pharmaceutical dosage forms
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