| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 04/27/1993 | CA1316836C Filter section for a rotatable filter |
| 04/27/1993 | CA1316798C Method for preventing plugging of suction roll of paper machine and anti-plugging agent therefor |
| 04/21/1993 | CN2130107Y Frequency changeable speed regulation rotary drum vacuum filter |
| 04/20/1993 | US5204009 Slurry rising apparatus and method therefor |
| 04/20/1993 | US5203996 Apparatus for pressing, dewatering or filtering |
| 04/14/1993 | CN1070837A Screen with surface having projections or depressions |
| 04/13/1993 | US5202034 Perforated drum in sludge chamber has interior vacuum chamber; porous belt driven by roller loops around drum and collects sludge; freezing coils freeze sludge which is conveyed to hopper |
| 04/13/1993 | US5202017 Continuous media filter with monitoring of liquid level in distributor |
| 04/08/1993 | DE4224648A1 Dewatering of liq.-solid mixtures using pressure and heat - by forming vapour phase above mixt. and forcing filtrate through underlying filter surface in mainly liq. form |
| 04/06/1993 | CA1315503C Protected seal assembly and protective filter unit therefor |
| 03/31/1993 | CN1070350A Equipment for contracting solid with liquid, particularly for extracting solid with liquid |
| 03/24/1993 | EP0533356A1 Filter belt |
| 03/24/1993 | EP0533349A1 Separator screen |
| 03/24/1993 | CN2128554Y Distributing head for disk vacuum filter |
| 03/24/1993 | CN2128553Y Disk filter |
| 03/18/1993 | WO1993005366A2 Mass flow meter |
| 03/18/1993 | WO1993004753A1 Equipment for contacting a solid with a liquid, particularly for extracting a solid with a liquid |
| 03/17/1993 | EP0531762A2 Filter for continuous filtration of liquids containing solids and the same |
| 03/17/1993 | EP0531747A1 A self-cleaning strainer |
| 03/17/1993 | EP0531392A1 Screening device. |
| 03/17/1993 | EP0531388A1 Band screen |
| 03/17/1993 | EP0531375A1 Improvements in or relating to screening panels |
| 03/16/1993 | US5194153 Apparatus for sealing a center valve vacuum filter |
| 03/15/1993 | WO1993004797A1 A method of manufacturing a screening drum |
| 03/15/1993 | CA2117077A1 A method of manufacturing a screening drum |
| 03/09/1993 | US5192435 Self-cleaning vacuum head for recovering oil from beaches and the like |
| 03/09/1993 | US5192413 Electroosmotic dewaterer |
| 03/03/1993 | EP0529753A1 Method for jointing a fine-meshed filtering tissue with a coarse-meshed carrier tissue to a double filtering tape |
| 03/03/1993 | EP0528966A1 Filter cloth arrangement in a rotating filter. |
| 03/03/1993 | EP0277227B1 Pivot pin bearing/seal with loose eyelet especially suited for disposable continuous flow blood filtration system cartridges |
| 03/03/1993 | CN2127636Y Efficient rotary drum vaccum filter |
| 03/02/1993 | US5190645 Automatically adjusting shale shaker or the like |
| 03/02/1993 | CA1313967C Double diffuser with backflush pistons |
| 02/18/1993 | DE4127132A1 Belt filter esp. for vacuum filtration - has separate filtrate and sealing water drainage systems |
| 02/17/1993 | EP0527465A1 Sludge dewatering system |
| 02/16/1993 | US5186791 Apparatus for thickening pulp and paper stock |
| 02/07/1993 | CA2048453A1 Pressurized continuous operating rotary drum filter and method |
| 02/04/1993 | WO1993001878A1 Fluid coolant cleaning system for machine tool applications |
| 02/04/1993 | DE4215061A1 Sludge drying - using centrifuge for initial water extn. followed by feeding DC current through electrodes pressed against caked sludge for scraper extn. |
| 02/04/1993 | DE4125359A1 Device to remove solid particles from liq. filter |
| 02/04/1993 | DE4125358A1 Device to remove solid particles from liq. filter |
| 02/03/1993 | EP0525753A1 Device and process for filtering solid particles from liquids |
| 02/03/1993 | EP0283489B1 Apparatus for treating a material sheet |
| 02/03/1993 | CN2126696Y Water turbine type filter |
| 02/02/1993 | US5183536 Cellulose |
| 01/26/1993 | US5182008 Filtration assembly |
| 01/21/1993 | WO1993000979A1 Method of drying a filter cake using a surface layer |
| 01/21/1993 | WO1993000978A1 Filter designed for continuous operation, in particular for the pressure-filtering of suspensions and sludges |
| 01/21/1993 | DE4223554A1 Anlage fuer die extraktion von fluessigkeiten aus schlamm Plant for the extraction of liquids from mud |
| 01/20/1993 | EP0523821A2 Application of a micro-perforated metal band as filter means |
| 01/13/1993 | CN1067826A Screening wire and apparatus |
| 01/12/1993 | US5178777 Method for removing a filter cake |
| 01/12/1993 | US5178759 Filtration system to remove photoresist film particles |
| 01/05/1993 | US5176826 Purge construction for a vibrating sieve filter |
| 01/05/1993 | US5176825 System for treating food waste by centrifugal spin drum and bag filter |
| 01/05/1993 | CA1312292C Filtering bag and filter |
| 12/24/1992 | DE4202681A1 Fluid-extracting press |
| 12/23/1992 | WO1992022703A1 Washer |
| 12/23/1992 | WO1992022702A1 Drum washer |
| 12/23/1992 | WO1992022372A1 Apparatus for filtering liquids |
| 12/23/1992 | EP0519309A2 Pressing device for extracting liquid from a substance |
| 12/23/1992 | EP0518938A1 Apparatus for separating liquids and solids |
| 12/23/1992 | CA2109574A1 Washer |
| 12/23/1992 | CA2109573A1 Drum washer |
| 12/16/1992 | EP0518095A1 Transport and crushing device |
| 12/15/1992 | CA1311362C Screen cleaning in cil and cip systems |
| 12/10/1992 | WO1992021427A1 Apparatus for filtering liquids |
| 12/10/1992 | DE4218217A1 Disc filter for e.g. sepg. fibre particle from water suspension - has sector units held by side mountings to be exchanged within assembly |
| 12/09/1992 | EP0516731A1 Disc filter. |
| 12/09/1992 | CN1066802A Method for filtering slurry and filter suitable for implementation of method |
| 12/08/1992 | US5169527 Liquid extracting device and associated method |
| 12/08/1992 | CA2070341A1 Disc filter and filter element for disc filter |
| 12/03/1992 | DE4118022A1 Fine vibration sieve with mesh width below 2 mm - includes coarse particle collector at end of revolving belt away from loader |
| 12/02/1992 | EP0515530A1 Apparatus for filtering liquids. |
| 12/02/1992 | EP0515502A1 Apparatus for filtering liquids. |
| 12/02/1992 | EP0515492A1 An apparatus for filtering suspensions and a method of operating the apparatus. |
| 12/01/1992 | WO1992021426A1 Rotary disc filtration device |
| 12/01/1992 | WO1992021425A1 Rotary filtration device and filter pack therefor |
| 12/01/1992 | US5167839 Fluid coolant cleaning system for machine tool applications |
| 12/01/1992 | US5167821 Method for thickening and dewatering slurry sludge |
| 11/26/1992 | WO1992020451A1 Kitchen composter |
| 11/26/1992 | WO1992020426A1 Continuous filtration device |
| 11/18/1992 | CN1066199A Device for separating liquid and solid material out of mixture |
| 11/17/1992 | US5164086 Rotary filter with external adjustment of blowback valve |
| 11/12/1992 | WO1992019381A1 Inverted filter centrifuge |
| 11/11/1992 | EP0512288A1 Band filter for removing impurities from liquid baths |
| 11/11/1992 | EP0262210B1 Adjustable ramp for dewatering device |
| 11/11/1992 | CN2121262U Automatic vacuum liquid-drainaged device |
| 11/05/1992 | DE4209054A1 Continuous immersed belt liquid band filter - with improved support in the working area of the filtration belt |
| 11/04/1992 | WO1992019354A1 Automatically adjusting shale shaker or the like |
| 11/04/1992 | EP0511710A1 Device for separating liquid and solid material out of a mixture |
| 11/04/1992 | EP0352320B1 Thickener |
| 11/03/1992 | US5160633 Frontal separator system for separating particles from beverage liquids |
| 11/03/1992 | US5160441 Method of continuous centrifugal removal of residual liquid waste from recyclable container material |
| 11/03/1992 | US5160440 Flocculation, filtration |
| 11/03/1992 | US5160434 Filter cylinder with drainage surface |
| 11/03/1992 | CA1309666C V-shaped trough filters, rotary assemblies and methods of filtering therewith |
| 10/29/1992 | DE4213847A1 Sewage cleaning device for sewage treatment plant - has driven conveyor worm, extending through collection basket and part of inclined conveyor channel |
| 10/28/1992 | EP0319564B1 Rotating filter with outer filtrate conduits |
| 10/27/1992 | US5158691 Filter apparatus and method for filtering contaminants from machine tool coolant |