Patents
Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149)
05/1992
05/05/1992CA1300212C Pivot pin bearing/seal with loose eyelet especially suited for disposable continuous flow blood filtration system cartridges
04/1992
04/30/1992WO1992006766A1 Rotary filter with external adjustment of blowback valve
04/30/1992WO1992006765A1 Process for separating the solid constituents of a suspension and device for carrying out said process
04/30/1992WO1992006764A1 Method and device for separating cells from a fluid culture medium
04/28/1992US5108626 Process for recovering course particles from tailings
04/28/1992US5108623 Filtering solid plating wastes
04/28/1992US5108592 Rotary self-cleaning strainer simultaneously cleaned and rotated by nozzle structure
04/28/1992US5108588 Structure of vibro separator
04/22/1992EP0481397A1 Process for the removal of water from suspensions or similar muddy mixtures
04/22/1992EP0481139A1 Dewatering process
04/22/1992EP0481047A1 Travelling-screen press
04/21/1992US5106498 Filter press
04/21/1992CA1298949C Filtering device for thermoplastic material
04/19/1992WO1992006763A1 Continuous filter
04/15/1992EP0480075A1 Conveying sieve grid
04/09/1992DE4031321A1 Fluid filter belt with strengthened edges - preventing damage by transport mechanism
04/08/1992EP0479077A1 Pressure filter with continuous cleaning of the filter surfaces
04/07/1992US5102536 Self-cleaning water filter screen apparatus
03/1992
03/31/1992US5100067 Feeding device for a separating apparatus
03/25/1992EP0476281A2 Purification device for waste water loaded with deposit and/or floating material
03/25/1992EP0476191A1 Filter press
03/24/1992US5098564 Automatic self-cleaning strainer assembly
03/19/1992DE4029562A1 Cellulose@ washing assembly - has pressure roller immediately after couch roller to press out fluid and increase material density
03/17/1992US5096611 Continuous processing; reacting lead oxide with sulfuric acid inslurry, withdrawal, moisture reduction
03/17/1992CA1297425C Apparatus for filtering fluid medium
03/11/1992EP0473722A1 Filter for continuous filtration.
03/11/1992EP0473702A1 Process for the production of battery paste
03/06/1992WO1992004094A2 Apparatus for separating liquids and solids
03/06/1992CA2072991A1 Apparatus for separating liquids and solids
03/05/1992WO1992003208A1 Industrial filtration apparatus and method for the separation of solids from a fluid stream
03/05/1992DE4027946A1 Dewatering appts. and process for filter cakes - suspension moves horizontally on filter cloth on filter belt and passes between pressing surfaces with horizontal first dewatering zone
03/03/1992US5093001 Suction filtration with pressurization; blockage prevention efficiency, durability
03/01/1992WO1992004095A1 Filter apparatus for machine tool coolant
02/1992
02/26/1992WO1992003209A1 Screening device
02/26/1992EP0471818A1 Machine with mobile grid for the elimination from channels and similar of solid products transported by a liquid flow
02/26/1992EP0471768A1 Continuous filter centrifuge.
02/26/1992CA2090241A1 Screening device
02/25/1992US5091084 Retaining seal and supporting screen system for drum centrifuge
02/11/1992US5087363 Filtering cell
02/11/1992US5087358 Filtering machine for fibrous substances having revolving cone-shaded filters
02/11/1992US5086963 Web guidance and tracking mechanism for a continuous belt filter
02/06/1992DE4117684A1 Slurry processing equipment
02/04/1992US5085772 Filter for filtration of fluids
02/04/1992US5085140 Presser belt separating apparatus
01/1992
01/31/1992CA2045418A1 Apparatus for the treatment of solid material slurries
01/28/1992WO1992002676A1 A device for separating suspensions, preferably containing fibre pulp
01/28/1992US5084176 Vibrating filter
01/28/1992CA2086938A1 Device for separating suspensions, preferably containing fibre pulp
01/22/1992EP0466753A1 A process and apparatus for continuous filtering and liquid displacement of a liquid suspension of a fibrous or finely-divided material.
01/22/1992EP0428711A4 Method and apparatus for clarifying liquids
01/21/1992US5082562 Dehydration press
01/15/1992EP0465711A1 Process and device for the separation of a substance from a support
01/15/1992EP0465701A1 Separator, particulary for sewage works
01/12/1992CA2020973A1 Separating apparatus, in particular for sewage clarification plants
01/09/1992DE4021318A1 Installation for reuse of concrete residue - incorporates water filled through with bucket wheel rotor
01/07/1992US5078903 Separation Of Solids And Liquids From A Suspension
01/02/1992EP0463538A1 Cycle of filtration for liquids containing solids in suspension and rotary filter suited to realize said cycle of filtration
01/02/1992EP0463195A1 Movable device for the purification of all kinds of sewage
01/01/1992CN1057402A Method for removing liquid from mixture of liquid and solid matter
12/1991
12/31/1991US5076921 Filtering screens
12/31/1991US5076919 Self-cleaning vacuum filter with relatively moveable surfaces for recovering oil from beaches
12/31/1991CA1293712C Filter for centrifuge tube
12/27/1991EP0462369A1 Filter
12/24/1991CA2045307A1 Apparatus for the purification of waste water
12/24/1991CA1293360C Apparatus for the treatment of a material, in particular a web of material or pulp, made to pass between at least two endless permeable belts
12/19/1991DE4019689A1 Filtering appts. for filtering cutting oil contg. swarf - has tank enclosing inward flow rotating filter drum with peripheral screen and dredging swarf scrapers
12/17/1991US5073262 Multi-purpose rotating membrane filter
12/12/1991WO1991018659A1 Process and device for mechanical removal of solids from a fluid
12/12/1991WO1991013672A3 Apparatus for separating liquids and solids
12/11/1991EP0460842A1 Self-cleaning filter
12/05/1991DE4017216A1 Self cleaning cylindrical liq. strainer - with elastomeric stripping blade having spring or pressure tube biassing on to filter working surface
12/04/1991EP0459972A2 Apparatus for removing solid particles from gaseous or liquid fluids
11/1991
11/28/1991WO1991017808A1 Improvements in or relating to screening panels
11/28/1991WO1991017807A1 Band screen
11/28/1991DE4016450A1 Sieve belt rake operating continuously - incorporates transverse bars with wire loop-type components running in flow direction
11/27/1991EP0458413A1 A method and device for removing liquid from a mixture of liquid and solid matter
11/27/1991EP0429551A4 Continuous backwashing filter apparatus
11/27/1991EP0322439B1 Arrangement at rotating filters for improved filtrate discharge
11/26/1991WO1991019043A1 Screening device
11/26/1991CA2080599A1 Screening device
11/21/1991EP0457641A1 Self-cleaning filter and device containing said filter
11/21/1991EP0456997A2 Device for separating solids from a liquid
11/21/1991EP0456861A1 Regulating device for a filtering centrifuge
11/21/1991DE4016118A1 Inlet filter for waste water sterilisers - has an overflow cup which slows the incoming water flow and a low-pressure water spray washes the rotating filter disc
11/19/1991WO1991017806A1 Filter cloth arrangement in a rotating filter
11/19/1991US5066399 Belt press type dehydration device
11/19/1991CA2083176A1 Filter cloth arrangement in a rotating filter
11/14/1991WO1991016961A1 Filter
11/12/1991US5064536 Wedgewire filter and method of manufacture
11/12/1991CA1291953C Buoyant filter media
11/05/1991WO1991017319A1 Self-cleaning vacuum head for recovering oil from beaches and the like
11/03/1991WO1991017041A1 Travelling-screen press
11/03/1991CA2063252A1 Screen-belt press
10/1991
10/30/1991EP0454392A1 Method for thickening lime sludge
10/30/1991EP0454285A1 Method for cleaning water in bassins for fish culture and fish bassins adapted for it
10/29/1991US5061380 Number of sets of disks
10/22/1991US5059322 Apparatus for dewatering sludge
10/22/1991US5059313 Conveyor rake sieve with hook-like plates
10/17/1991DE4010674C1 Scraper system for removal of filter cake - has scraper which runs laterally w.r.t. filter surface
10/08/1991US5055205 Pressurized continuous operating rotary drum filter and method
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