| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 05/17/1988 | US4744898 Inflatable screen clamp |
| 05/11/1988 | EP0267149A1 Process for cleaning a rotary sieve, and a rotary sieve |
| 05/11/1988 | DE3637216C1 Self-cleaning intake screen for take-off of purified liquid from a polluted, flowing medium |
| 05/11/1988 | CN87209975U Device for air control of filter press with belt style |
| 05/05/1988 | WO1988003048A1 Process and installation for dewatering waste water sludge |
| 05/03/1988 | US4741841 Method and apparatus for particle separation |
| 04/28/1988 | DE3635766A1 Apparatus for dewatering sludge and similar substances |
| 04/26/1988 | US4740316 Plurality of filter elements that partially overlap |
| 04/21/1988 | DE3635178A1 Apparatus for dewatering a suspension, in particular a sewage sludge |
| 04/13/1988 | EP0263580A2 Buoyant filter media |
| 04/12/1988 | US4737277 For pulp slurries |
| 04/06/1988 | EP0262392A2 Apparatus for separating the liquid constituents from a mixture of materials |
| 04/06/1988 | EP0262210A1 Adjustable ramp for dewatering device. |
| 04/06/1988 | CN87209149U Filter with rotating disk |
| 04/05/1988 | US4735730 Vacuum actuated scraper arrangement for a drum filter |
| 04/05/1988 | CA1234765A1 Rotating disc filter |
| 03/30/1988 | EP0261946A1 A screening assembly |
| 03/30/1988 | EP0261231A1 Rotating filter apparatus for separating fine particles of solids from a liquid |
| 03/30/1988 | EP0261146A1 Filter device |
| 03/24/1988 | WO1988002046A1 Material processing system |
| 03/24/1988 | WO1988002045A1 Material processing system |
| 03/24/1988 | WO1988002044A1 Material processing system |
| 03/24/1988 | WO1988001899A1 A method in primarily so-called rotating filters, and a filter |
| 03/17/1988 | DE3629961A1 Apparatus for filtering out or screening solid particles from a liquid |
| 03/16/1988 | EP0259547A1 Device for removing debris from a flowing sewage liquid |
| 03/16/1988 | EP0259336A1 A method and an apparatus for separating bodies from a liquid. |
| 03/15/1988 | US4731188 Adjustable ramp for dewatering device |
| 03/15/1988 | US4730555 Wine press with horizontally oriented rotatable platen |
| 03/15/1988 | CA1234086A1 Centrifuge screen basket |
| 03/15/1988 | CA1234057A1 Interchangeable screen panels for a traveling water screen |
| 03/10/1988 | WO1988001531A1 Process for forming and dehumidifying filter cakes |
| 03/08/1988 | US4729837 For pulp |
| 03/08/1988 | US4729836 Flexible chicane system for liquid-solid separation equipment |
| 03/08/1988 | CA1233755A1 Vacuum expressor device for rotary drum filter |
| 03/03/1988 | DE3629374A1 Disc filter |
| 03/03/1988 | DE3628455A1 Apparatus for separating off solid contaminants from liquids |
| 03/01/1988 | US4728424 For separating slurry into cake and water |
| 03/01/1988 | CA1233359A1 Apparatus for dewatering water-containing materials |
| 02/25/1988 | WO1988001194A1 Pivot pin bearing/seal with loose eyelet especially suited for disposable continuous flow blood filtration system cartridges |
| 02/25/1988 | DE3628203A1 Process and apparatus for cleaning filters in sewage treatment plants |
| 02/25/1988 | DE3622103A1 Scheiben - membran - pressfilter Washers - membrane - press filters |
| 02/24/1988 | EP0256501A2 Pressure responsive seamless diaphragm installation |
| 02/18/1988 | DE3625848A1 Internal drum pressure filter for the very fine grain dewatering in mineral dressing |
| 02/16/1988 | US4725367 Removal suspension solids from liquids |
| 02/16/1988 | US4725292 Endless belt, vacuum |
| 02/16/1988 | CA1305925E Filtering device for separating solids from liquids |
| 02/16/1988 | CA1232844A1 Filtering device for separating solids from liquids |
| 02/09/1988 | US4724077 For cutting oils containing metal chips |
| 02/04/1988 | DE3624975A1 Packed bed filter |
| 02/03/1988 | EP0254841A2 Device for separating solid substances from liquid manure |
| 02/02/1988 | US4722793 Pair of rolls with wire loop traveling around both |
| 02/02/1988 | US4722792 Swing rotor type or angle rotor |
| 01/27/1988 | CN87102894A Method and apparatus for filtering slurry |
| 01/26/1988 | US4721566 Tilting pan filters and cam therefor |
| 01/26/1988 | US4721040 Seamless pressure responsive diaphragm installation |
| 01/20/1988 | EP0253367A2 Drum-filter arrangement |
| 01/20/1988 | EP0253006A1 Pressure separator |
| 01/14/1988 | WO1988000082A1 Rotary disc filter |
| 01/14/1988 | DE3721207A1 Perforated plate for wire drums |
| 01/13/1988 | EP0252161A1 Device for purification, particularly filtration, of a fluid or gaseous medium |
| 01/13/1988 | CN87102662A Mechanical extruding type continuous filter press |
| 01/12/1988 | CA1231309A1 Belt filter equipped with an air suction device |
| 01/07/1988 | EP0251840A1 Process and individual apparatus for the filtration of a liquid |
| 01/07/1988 | EP0251787A1 Apparatus and method for thickening pulp and paper stock |
| 01/07/1988 | EP0251394A1 A method of separating and recovering a granulate from a viscous suspension containing said granulate, and apparatus for carrying out said method |
| 01/07/1988 | EP0251368A2 Fluid filtration device |
| 01/07/1988 | EP0250939A2 Suction filter drier |
| 01/07/1988 | EP0250602A1 Device for filtration of a fluid or gaseous medium |
| 01/05/1988 | US4717485 Multi-phase separator with porous filter disks |
| 01/05/1988 | US4717477 Mounted at free end of suction pipe |
| 12/23/1987 | EP0176520B1 Dehydrofreezing of peeled apple pieces |
| 12/23/1987 | EP0170679B1 Methods of and apparatus for recovering a constituent of a process effluent |
| 12/23/1987 | CN87100570A Washing apparatus of the circulative belt |
| 12/17/1987 | DE3617857A1 Method for preventing the propagation of suspended matter in a body of water and a device for carrying out the method |
| 12/16/1987 | CN87103201A Apparatus for separating cell suspension |
| 12/15/1987 | CA1230293A1 Drum filter |
| 12/15/1987 | CA1230258A1 Filter press for thickening cellulose pulp or sludge |
| 12/03/1987 | DE3617665A1 Rotary rake |
| 12/01/1987 | US4710294 Beverage filter for biological filtration |
| 12/01/1987 | US4710288 For a molten plastic flow |
| 12/01/1987 | CA1229802A1 Rotatable filter assembly |
| 11/24/1987 | US4708801 Reverse flow to unplug |
| 11/24/1987 | US4708797 Rotary disc filter element |
| 11/24/1987 | US4708795 Screening device |
| 11/19/1987 | WO1987006962A1 Arrangement for liquid treatment of pulp |
| 11/19/1987 | DE3616201A1 Rotary filter |
| 11/17/1987 | US4707272 Method for controlling and optimizing the operation of a perforated belt press for filtering slurry |
| 11/17/1987 | US4707260 Traveling filter cloth type |
| 11/17/1987 | US4707256 Long service life |
| 11/12/1987 | DE3615411A1 Device for precipitating solids from liquids or gases, particularly in the technologies of clarification, separation and filtration |
| 11/10/1987 | US4705631 Pulp and paper industry; dewatering to pumpable form |
| 11/04/1987 | EP0244151A2 Filter apparatus |
| 11/04/1987 | EP0243441A1 Means for purifying water and use of the means |
| 11/03/1987 | US4704206 Apparatus for continuous flow feed to disc-type rotary filters |
| 10/29/1987 | DE3704683A1 Process and device for disposing of paints which are difficult or impossible to detackify from wet painting systems and paint-spray booths and other industrial sludges, from sewage plants or other purification plants |
| 10/28/1987 | EP0243243A2 Process and apparatus for separating constituent parts from a suspension |
| 10/28/1987 | EP0243091A2 Method of and apparatus for filtering a slurry |
| 10/28/1987 | EP0242458A2 Method and apparatus for extracting fluid from wet particulate matter |
| 10/27/1987 | US4702845 Continuous filtration with removal of solid deposits |
| 10/27/1987 | US4702831 Filter for squeezing out suspensions |