Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor
Patents for B01D 29 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups; filtering elements therefor (33,527)
01/1990
01/02/1990US4891098 Dynamic filtration simulator
01/02/1990US4890444 Using latex adhesive
12/1989
12/28/1989DE3821651A1 Belt filter
12/28/1989DE3821647A1 Wet-screening machine
12/28/1989DE3821633A1 Process and apparatus for filtering and percolating rainwater
12/28/1989DE3821191A1 Measuring device for the detection of the pressure difference on a sieve surface and calibration method
12/27/1989EP0347477A1 Filtering apparatus
12/27/1989EP0347445A1 Gravity fed band filter for the filtration of liquids containing solid particles.
12/27/1989EP0104256B1 Low volume, large area filters for iv or blood filtration
12/27/1989CN2050073U Multi-functional large flow turbine oil purified device
12/26/1989US4889642 Method and filtration apparatus for purifying solvents
12/26/1989US4889630 Self-supporting composite
12/26/1989US4889629 Filter panel with parallel passages and mechanical filter screen comprising same
12/26/1989US4889621 Oil strainer for an automatic transmission
12/21/1989DE3820678A1 Pressure filter
12/21/1989DE3820675A1 Oil filter for an internal combustion engine
12/21/1989DE3819945A1 Filter drier
12/20/1989EP0347188A2 A filter arrangement
12/20/1989EP0346692A1 Plastic fluid filter and method for manufacturing same
12/20/1989EP0195022B1 Cooking oil filtering apparatus and filter therefor
12/20/1989CN1038030A Filter for separation of solid from hot gas or liquid
12/19/1989US4888111 Process filter
12/19/1989US4888110 Filtering device for thermoplastic material
12/14/1989WO1989012137A1 Wave screen plate and manufacturing methods
12/13/1989EP0345491A2 Filter for the separation of solids from heat gaseous or liquid media
12/13/1989EP0345381A2 Liquid filter
12/13/1989EP0224000B1 Filtration device, in particular of the nutsche type
12/07/1989DE3818997A1 Apparatus for dewatering sludges
12/07/1989DE3818437A1 Filter battery
12/06/1989EP0344262A1 Procedure and means for filtering and homogenizing liquid substances
12/06/1989EP0344152A1 Process and installation for dewatering waste water sludge.
12/05/1989US4885090 Papermaking pressure screening
12/05/1989US4885089 Liquid distributor cap for a filter cartridge
11/1989
11/30/1989WO1989011322A1 Filter element and filtration process
11/30/1989WO1989011319A1 Process for producing concentrates from aqueous liquids
11/29/1989EP0343976A2 Filtering apparatus
11/29/1989EP0343393A2 Multiscreen pressure diffuser
11/29/1989EP0165992B1 Filtration method and apparatus
11/29/1989CN1037464A Filter cover for purification insert in water treatment device with hollow tube
11/28/1989US4883588 Underwater filter system
11/28/1989CA1263320A1 Filter means with a segmental construction
11/23/1989EP0224538B1 Membrane filtration for analysis
11/23/1989DE3815930A1 Filter plate for suction filters
11/21/1989US4882068 Tank with screen, bubbling
11/21/1989US4882055 Unitary injection molded filter
11/21/1989US4882051 Cartridge filter incorporating a bag-like body
11/21/1989US4881313 Method of forming a cell filter with an exposed surface
11/16/1989WO1989010782A1 Method and apparatus for removing liquid from suspensions
11/16/1989WO1989010781A1 Strips of filter material with moulded corrugations and filter bodies made of this material
11/16/1989DE3914592A1 Process, apparatus and filter module for cross-flow filtration of liquids
11/16/1989DE3914326A1 Filter apparatus for the filtration of suspensions, for clarifying filtration and for ultrafiltration and microfiltration of liquids
11/15/1989EP0341573A2 Process and apparatus for the cross-flow filtration of liquids
11/15/1989EP0341356A1 Filtering device
11/15/1989EP0341349A2 Disposable oil filter unit with triple filtration
11/14/1989US4880540 Pulp screening apparatus
11/14/1989US4880539 Filter for filtering solids out of a liquid having a doctor blade wiping means
11/14/1989US4880538 Edge seal for liquid filtration apparatus
11/14/1989US4880537 Multiple disc type filter and disc construction useful therein
11/14/1989US4880536 Filter assembly of a manifold, mounting ring and filter housing
11/14/1989US4880531 Pool vacuum filter bag
11/14/1989US4880374 Filter exchange device for an extrusion molding machine
11/09/1989DE3913986A1 Filterelement Filter element
11/09/1989DE3814373A1 Filter, in particular for liquids
11/08/1989EP0341192A1 Filter web with formed crimps and filter body using this material
11/08/1989EP0341165A1 Process for the preparation of phenol
11/08/1989EP0340914A2 Filter
11/08/1989EP0340382A2 Screen cover for a cleaning insert in a water regeneration device with a hollow tube
11/08/1989EP0340220A1 Process for the production of filters, and a filter produced by the process
11/08/1989CN2047198U Sterilizing water-purification device
11/07/1989US4878264 Cleaning equipment
11/07/1989CA1262662A1 Aquarium filter system
11/02/1989EP0339769A1 Multi-well filter strip and composite assemblies
10/1989
10/31/1989USRE33103 Strainer
10/31/1989US4877527 Liquid filter of spiral wound construction with alternate layers of a surface area media and a depth media
10/31/1989US4877526 Flexible filter bag and method of fabrication
10/31/1989US4877521 Quick-change filter cartridge and head therefor
10/31/1989CA1262515A1 Method of and apparatus for forming filter element
10/25/1989EP0338943A1 Preceding filter fermentation for contaminated effluents
10/25/1989EP0338433A2 Rotorfilterpress with chamberflow
10/25/1989EP0338043A1 Process and plant for clarifying liquids, in particular raw juice
10/25/1989EP0337988A1 Method of manufacturing molded and formed filters.
10/24/1989US4876013 Small volume rotary filter
10/24/1989US4876008 Sieve plate
10/24/1989US4875913 Apparatus for cleaning corrugated filter elements
10/19/1989WO1989009646A1 A method of filter-cleaning and an apparatus for carrying out the method
10/19/1989WO1989009644A1 Filter disc
10/19/1989DE3902770A1 Backwash filter for liquid media
10/19/1989DE3813890C1 Vacuum belt filter
10/19/1989DE3811706A1 Verfahren zur filterreinigung und apparat zur ausuebung des verfahrens A method for filter cleaning and apparatus for performing the method
10/18/1989EP0337966A1 Method and device for separating
10/18/1989EP0337663A2 Filter and bleed valve therefor
10/18/1989EP0337455A1 Device and method for reducing volume of aqueous waste effluents
10/18/1989EP0337218A2 Process and dewatering device of mud
10/18/1989EP0337154A2 Filter for pressurized fluids
10/17/1989US4874533 Papermaking
10/17/1989US4874513 Disposable filter unit with filter support means at both sides of the filter element
10/17/1989US4874510 Filter for fuel tank
10/11/1989EP0336352A2 Micro construction element
10/10/1989US4872988 Method and device for separation of colloidal suspensions
10/10/1989US4872981 Split inlet for filter
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