| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 02/23/1994 | CN1082452A Unit for the filtration of fluids |
| 02/17/1994 | WO1994003257A1 Lightweight, anti-rewet, modular style disc sector |
| 02/17/1994 | WO1994003256A1 Method and apparatus for control of filtrate volume in a disc filter |
| 02/17/1994 | CA2119758A1 Lightweight, anti-rewet, modular style disc sector |
| 02/17/1994 | CA2119032A1 Method and apparatus for control of filtrate volume in a disc filter |
| 02/16/1994 | CN1023769C Method for removing liquid from mixture of liquid and solid matter |
| 02/15/1994 | US5286387 Effluent filtration and sack filter apparatus |
| 02/09/1994 | EP0581770A1 Screening rake. |
| 02/09/1994 | CN2155264Y Centrifugal filter |
| 02/03/1994 | WO1994002230A1 Air-liquid separator assembly and system |
| 01/25/1994 | US5281343 System uses hydraulic pressure along with vacuum to induce flow of filtrate from vessel into filtrate conduits |
| 01/20/1994 | DE4216968A1 Dewatering of products, esp. sludges, fruit pulp etc. - by passing product on belt pressing drum with pressing element having flexible surface and moving with drum through ninety degrees and returning to initial position |
| 01/12/1994 | EP0578559A1 Endless chain screen cleaner and filterarm for this chain |
| 01/12/1994 | EP0577942A1 Filter means |
| 01/12/1994 | EP0577941A1 Backwash liquid filter |
| 01/12/1994 | EP0577854A1 Filter device |
| 01/12/1994 | EP0414879B1 Filter for continuous filtration |
| 01/12/1994 | CN1023454C Dehydration press |
| 01/06/1994 | WO1994000634A1 Pressure sorter for fibre suspensions |
| 01/06/1994 | WO1994000218A1 Filter drum |
| 01/06/1994 | CA2138019A1 Filter drum |
| 01/05/1994 | DE4221643A1 Molten plastics filtering appts., for removing impurities from molten recycled waste packaging - has spaced annular plates forming gaps in which tips of blade discs rotate |
| 01/04/1994 | US5275024 Paper pulp washing |
| 12/29/1993 | EP0575385A1 Method and device for the detection and removal of bulges in continuous strips of material. |
| 12/28/1993 | US5273651 Rotatable disk having annularly disposed filter sectors for partial submersion in a liquid or suspersion |
| 12/22/1993 | EP0484342B1 Filter cylinder |
| 12/21/1993 | US5271503 Screening device |
| 12/21/1993 | CA1325386C Inverted separation and transfer device, and process for using same |
| 12/16/1993 | DE4219297A1 Sludge processing belt - has build=up unit to mix sludge to release contained water for easier extn. |
| 12/16/1993 | DE4219295A1 Double-fourdrinier high pressure zone - has a guide assembly of central carrier roller and contact satellite rollers with adjustable pressure rollers |
| 12/15/1993 | EP0553293A4 Rotary filter with external adjustment of blowback valve |
| 12/14/1993 | US5269945 Method and a device for the separation of bodies from a liquid |
| 12/08/1993 | EP0573068A1 Chain including roller sealing arrangement |
| 12/07/1993 | US5268095 Self-cleaning filter |
| 12/06/1993 | CA2097133A1 Chain including roller sealing arrangement |
| 11/30/1993 | US5266168 Gravity type pulp washer or thickener with rotating disrupters |
| 11/25/1993 | WO1993023140A1 A device for separation of solid particles from a liquid mixture |
| 11/25/1993 | WO1993023139A1 Filtering device |
| 11/25/1993 | DE4216484A1 Suction filter for mobile water aeration device - has rotatable filter drum cleaned by internal brush and external scraper and water jet |
| 11/24/1993 | CN2147034Y Curved surface turn over vacuum filting machine |
| 11/23/1993 | US5264138 Method and apparatus for treating a fiber suspension |
| 11/18/1993 | EP0569911A1 Dynamic filter for treating contaminated fluids |
| 11/18/1993 | EP0506954A4 Continuous filter |
| 11/18/1993 | EP0352272B1 Arrangement for an inlet pipe in a rotating drum sieve |
| 11/18/1993 | DE4215931A1 Filter belt assembly - with linked sections incorporated adjusting gaps to remove particle to lids from fluid effluent channels in continued operation preventing blockages |
| 11/18/1993 | DE4215580A1 Sludge water extn. - uses a conical container for sludge to pass through vertically under pressure, which is set according to water content |
| 11/17/1993 | CN2146294Y Rotary self-cleaning filter |
| 11/16/1993 | WO1993023239A1 Device for separating a liquid from mixtures of solids and liquids |
| 11/16/1993 | WO1993023238A1 Screw press |
| 11/16/1993 | US5262069 Filter cake scraping method and rotary drum filter using the same |
| 11/16/1993 | CA1324344C Screen segment for filters for thickening fiber suspensions |
| 11/11/1993 | WO1993022513A1 Rotary sieving rake |
| 11/11/1993 | WO1993022494A1 Apparatus for treating fiber suspension |
| 11/11/1993 | WO1993022028A1 Paper pulp washing apparatus and process |
| 11/11/1993 | WO1993022027A1 Separating apparatus provided with measuring means |
| 11/11/1993 | DE4214948A1 Dewatering unit with rotary scoop wheel - has flow directing side panels, esp. for dewatering granulated slag |
| 11/10/1993 | EP0569108A1 Device for the purification of cooling lubricants |
| 11/09/1993 | US5260250 Catalyst for the production of ethylene and acetic acid |
| 11/09/1993 | US5259952 System for separating solids from a liquid in a divided channel |
| 11/03/1993 | CN2145061Y Active high-speed seawater desalinator |
| 11/02/1993 | US5258120 Disk filter |
| 11/02/1993 | CA1323861C Pressure sorter |
| 10/28/1993 | WO1993020954A1 Mounting and tensioning arrangements for screens |
| 10/27/1993 | EP0566908A2 Liquid filter |
| 10/27/1993 | EP0566713A1 Process and device for continuously filtering and separating thermoplastic materials. |
| 10/26/1993 | US5256290 Coolant filtration unit with sludge dryer |
| 10/21/1993 | DE4212758A1 Drum filter for sepg. solids from liquids esp. communal waste water etc. - has drum rotating about axis which is horizontal, and outer filter surface between drum ends and one open end with channel for passing water into drum |
| 10/20/1993 | EP0565857A1 Pressure liquid filter |
| 10/19/1993 | US5254250 Rotary filtration device and filter pack therefor |
| 10/19/1993 | US5254241 Loading control system for a cyclical centrifugal machine which adjusts pinch position |
| 10/07/1993 | DE4210770A1 Sieving machine with shallow V=section screen - giving reduced tendency for overloading |
| 10/07/1993 | DE4210496A1 Filter with moving filter band - has drum with needles which keeps band under tension and supports it while it is cut into strips by moving knife for easy disposal |
| 10/05/1993 | US5250198 Dewatering sludge; screening; turbulence |
| 09/30/1993 | WO1993019246A1 Screening device |
| 09/30/1993 | DE4209583A1 Pre-tensioned filter cake scraper - maintains distance from filter to enhance filtration treatment of fine and very fine suspensions in continual operation |
| 09/29/1993 | EP0561857A1 Centrifugal cleaning filter. |
| 09/28/1993 | CA1322534C Sieving apparatus for transferring, under superatmospheric pressure, of cellulose fibres from a suspending liquid flow to another flow |
| 09/23/1993 | DE4306262A1 Suspension water extraction - uses two continuous filter belts with material between them to be carried past vibrating suction units on elastic mountings |
| 09/22/1993 | EP0561435A2 Information transfer system, a transmitter, a receiver and a record carrier for use in the system |
| 09/22/1993 | CN1076568A Information transfer system a transmitter, a receiver and a record carrier for use in the system |
| 09/21/1993 | US5246600 Method of separation |
| 09/21/1993 | US5246580 Apparatus for separating solid particles from a liquid |
| 09/21/1993 | CA1322336C Suction dryer |
| 09/16/1993 | WO1993017798A1 Mounting and tensioning arrangements for screens |
| 09/16/1993 | WO1993017775A1 Separator device |
| 09/16/1993 | DE4217666A1 Filter assembly - has candle-shaped filters on an intermittent rotating plate to increase the filter density |
| 09/16/1993 | CA2131557A1 Separator device |
| 09/16/1993 | CA2131030A1 Mounting and tensioning arrangements for screens |
| 09/14/1993 | US5244583 Dewatering process |
| 09/14/1993 | US5244572 Rotary drum filter with improved deck structure |
| 09/08/1993 | EP0558519A1 Process for separating the solid constituents of a suspension and device for carrying out said process. |
| 09/07/1993 | US5242590 Lightweight, anti-rewet, modular style disc sector |
| 09/07/1993 | US5242583 Wire screen clamp |
| 09/07/1993 | US5241901 Apparatus for separating mixed substances such as foodstuffs |
| 09/07/1993 | CA1321953C Sample filtration device |
| 09/01/1993 | EP0557791A1 Filter device, especially for dispersion paints |
| 09/01/1993 | CN2141317Y Horizontal double-belt type filting machine |
| 09/01/1993 | CN2141316Y Pair roll belt type water filting machine for chaff |
| 08/31/1993 | US5240609 Sludge filtering device and grid system |
| 08/31/1993 | US5240594 System for monitoring and/or controlling liquid-solid separation processes |