Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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10/27/1992 | US5158672 Bag filtering unit for the dehydration of sludges with a supported vibrating device |
10/21/1992 | EP0509561A2 Method and apparatus for treating fiber suspension |
10/21/1992 | EP0509334A2 Method for screening and filtering solid material suspensions with drum or band machines |
10/15/1992 | WO1992017264A1 Device and process using a worm conveyor for separating materials, in particular solid or coagulated materials, from liquids and/or for concentrating solutions |
10/15/1992 | WO1992004094A3 Apparatus for separating liquids and solids |
10/14/1992 | WO1992018221A1 Screening rake |
10/13/1992 | US5154825 Automatic filter press |
10/11/1992 | CA2058643A1 Shield apparatus for travelling water screen |
10/07/1992 | EP0506954A1 Continuous filter. |
10/07/1992 | EP0259336B1 A method and an apparatus for separating bodies from a liquid |
10/06/1992 | US5152889 Drip pipe for application of wash liquid to filter surfaces |
10/06/1992 | CA2065179A1 Procedure for screening and filtration of suspended solids with drum type or travelling band screens |
10/06/1992 | CA1308334C Method of cleaning filter discs in a suction dryer using ultrasonic vibration |
10/01/1992 | DE4204566A1 Sample extractor for delivering and preparing suspensions for particles measurement - has rotary plate which in addition to forming annular gap, performs cleaning function for entire flow path |
09/30/1992 | CN1018431B Dewatering device of quantitative discharge filter cake |
09/29/1992 | US5151176 Filter for continuous filtration |
09/23/1992 | EP0504765A1 Continuous self-cleaning filter for viscous fluids |
09/23/1992 | EP0504250A1 Filter arrangement. |
09/23/1992 | CN2116692U Radial flow type separator for excrement and urine |
09/23/1992 | CN1064665A Compact apparatus treating sludge by draining and pressing |
09/22/1992 | US5149448 Method and apparatus for thickening lime sludge |
09/22/1992 | US5149424 Centrifuge apparatus for residual liquid waste removal from recyclable container material |
09/22/1992 | US5149423 Apparatus for the purification of waste water with swivelling mixing container |
09/17/1992 | DE4118423A1 Spray backwash filter with ultrasound vibrators - for enhanced removal of filter element retained solids in=situ in the housing |
09/16/1992 | EP0503994A1 Compact apparatus for dewatering and squeezing sludges |
09/16/1992 | EP0503372A1 Filter apparatus with woven sacs and regeneration device |
09/16/1992 | CN1018238B Pressure-fed separation apparatus |
09/15/1992 | US5147543 Rotating element for a screening apparatus with a contour surface produced by a plurality of protrusions in the direction of the axial length of the cylindrical rotor |
09/12/1992 | WO1992015448A1 Method and device for the detection and removal of bulges in continuous strips of material |
09/12/1992 | CA2105999A1 Method and device for the detection and removal of bulges in continuous strips of material |
09/10/1992 | DE4205755A1 Rotary filter |
09/02/1992 | EP0500866A1 Apparatus for separating liquids and solids |
09/02/1992 | EP0500861A1 Industrial filtration apparatus and method for the separation of solids from a fluid stream. |
09/01/1992 | US5143630 Rotary disc filtration device |
09/01/1992 | US5143602 Apparatus for the separation of solids from fluids or sediments from emulsions |
09/01/1992 | US5143555 Travelling doctor blade |
08/27/1992 | DE4105867A1 On=line exchangeable or cleanable filter for molten plastics - with successive rectangular openings for constant area to minimise flow fluctuations with venting, prefilling, back-flush and active sealing |
08/27/1992 | DE4105803A1 Fibre suspension compression appts. - has high-speed continuous sieve belt round a grooved roller and a perforated hollow cylinder |
08/26/1992 | EP0500232A1 Filter cake scraping method and rotary drum type filter using the same |
08/20/1992 | WO1992013626A1 Filtering apparatus |
08/20/1992 | WO1992013625A1 A unit for the filtration of fluids, with at least one rotatable, flat, circular filter wheel in an open-top container |
08/18/1992 | US5139670 Rotating drum filter |
08/13/1992 | DE4103505A1 Ring gap continuous filter, which is bearing mounted for rotational cleaning - has reduced frictional resistance due to pressure differential acting on the drive shaft |
08/12/1992 | CN2112438U High pressure rotating drum filter |
08/11/1992 | US5137622 Filter screen assembly |
08/06/1992 | WO1992012783A1 Method for filtering slurry or similar material in a continuous pressurized filter and filter suitable for the implementation of the method |
08/06/1992 | WO1992009743A3 A screening system |
08/05/1992 | CN2111786U Continuous filter |
08/04/1992 | US5135651 Sludge dewatering system |
08/04/1992 | CA1305887C Apparatus for the treatment of a fibrous board or layer of material passed between two endless foraminous belts or wires |
07/28/1992 | US5133883 Method for removing liquid from a mixture of liquid and solid matter |
07/28/1992 | US5133872 Method and apparatus for controlling throughput in a beltpress |
07/28/1992 | US5133863 Stripping device for rotary filters |
07/28/1992 | US5133860 Solid and liquid separator with a liquid filter |
07/22/1992 | CN1062852A Antifouling gap filter device |
07/14/1992 | US5130021 Filtration apparatus |
07/14/1992 | US5130019 Mud cleaning apparatus for removing sand, shale, and other debris from drilling mud |
07/07/1992 | US5128032 Vibrating sieve filter with bars |
07/07/1992 | US5128030 Device for separating solids from suspension |
07/07/1992 | US5128029 Continuous backwashing filter apparatus with filtered fluid retention plate |
07/07/1992 | US5127587 Kitchen composter |
07/02/1992 | DE4040431A1 Removal of filter cake e.g. flotation sludge - from a continuously rotating filter drum using scraper made of one or more pieces of wire rotating around axis parallel to filter |
06/30/1992 | CA1304248C Apparatus and method for thickening pulp and paper stock |
06/28/1992 | CA2033217A1 Use of two or more nested apertured endless belts with inverted arch bottom flights and generally horizontal top flights to recover bitumen and minerals |
06/25/1992 | WO1992010267A1 Centrifugal cleaning filter |
06/24/1992 | EP0491111A1 Atmospheric diffuser improved lower screens backflushing |
06/23/1992 | US5124037 Device for filtration of solid element contained within a liquid |
06/18/1992 | CA2045005A1 Atmospheric diffuser improved lower screens backflushing |
06/17/1992 | EP0489770A1 Apparatus and method for removal of liquids |
06/17/1992 | CN2107307U Vacaum filtering extruder |
06/17/1992 | CN2107306U Positive pressure continuous filter with scraper unloading throttle valve |
06/03/1992 | EP0488699A1 A rotary screen device |
06/03/1992 | EP0488698A1 A screening system |
06/03/1992 | EP0488520A1 System and method for cleaning an intake screen disposed between a channel and a body of water |
06/03/1992 | EP0487883A1 Apparatus for the dewatering of sludge |
06/03/1992 | EP0287579B1 Process for forming and dehumidifying filter cakes |
06/03/1992 | CN2105990U Filter for water coal slurry |
06/02/1992 | US5118427 Process and apparatus for the separation of solids from slimy liquids by means of press screw separators |
06/02/1992 | US5118414 Rotary screening device |
06/02/1992 | CA1302302C Apparatus for separation of solid from liquid |
06/02/1992 | CA1302301C Disc concentrators |
06/02/1992 | CA1302300C Filter apparatus |
05/30/1992 | WO1992009743A2 A screening system |
05/30/1992 | WO1992009375A1 A rotary screen device |
05/29/1992 | WO1992008539A1 Screw conveyor screen |
05/27/1992 | EP0487185A2 Moving web filter assembly |
05/26/1992 | US5116490 Rotary screen apparatus for use with cooling towers |
05/26/1992 | US5116477 Drainage device in a double-sieve mold |
05/26/1992 | US5116476 Atmospheric diffuser improved lower screens backflushing |
05/26/1992 | US5116423 Apparatus for washing pulp |
05/26/1992 | CA1301665C Process for the formation and drying of filter cake |
05/20/1992 | CA2055068A1 Moving web filter assembly |
05/19/1992 | US5114560 Dewatering filter cake |
05/13/1992 | EP0336933B1 Filter for liquids |
05/06/1992 | WO1992007645A1 Effluent filtration |
05/06/1992 | CN2103360U Vacuum band type pressing filter |
05/06/1992 | CA2095621A1 Effluent filtration |
05/05/1992 | US5110463 Noncaking, pump with wear resistant valve |
05/05/1992 | US5110461 Apparatus for separating liquids and solids |
05/05/1992 | US5109764 Double screen belt press with a wedge compression zone for dewatering mixtures of fibrous material suspensions |