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