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