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)
10/1990
10/16/1990CA1275261C Process and device for filtering out particles suspended in a liquid
10/16/1990CA1275260C Cleaning of filters
10/11/1990DE3914938C1 Fuel filter - comprising bag-shaped liq. permeable fabric structure with support member on inside
10/10/1990EP0391648A2 Filter cartridge with end densification ring
10/10/1990EP0391521A2 A device having a porous polytetrafluoroethylene tube secured in an apertured wall, and the manufacture thereof
10/10/1990CN2063437U Y型过滤器 Y Strainer
10/10/1990CN2063435U Back washing device for water filter
10/09/1990US4961864 Separating device
10/09/1990US4961850 In-tank fuel filter
10/09/1990US4961847 Suction strainer
10/09/1990US4961844 Apparatus for separating a suspension of fibrous cellulose pulp
10/09/1990US4961722 Conical screen for a vertical centrifugal separator
10/05/1990WO1990012147A1 Sectional screen cylinder
10/04/1990WO1990011116A1 Filter element with a star-shaped filter for a solid filter
10/04/1990WO1990011115A1 Fuel filter coupling
10/03/1990EP0390742A1 Arrangement and method for the filtration of molten metals
10/03/1990EP0389789A2 Device for removing solids from liquids flowing in a gutter
10/03/1990CN2063043U Microporous filter
10/02/1990US4960510 Screening apparatus having a screen grid with a plurality of exchangeable screen elements
10/02/1990CA1274783A1 Leaf-type filter
10/02/1990CA1274782A1 Automatic filtration dewatering system
09/1990
09/30/1990CA2013521A1 Appliance for the removal of rakings and/or screenings out of a liquid flowing in a launder
09/30/1990CA2012828A1 Molten metal filtration system and process
09/27/1990DE3909027A1 Plant for the mechanical and biological purification of waste water
09/27/1990DE3908828A1 Filtereinsatz mit sternfilter fuer einen feststoff-filter Filter cartridge with star filter for a solid-filter
09/26/1990EP0388849A2 Edge filter for liquids
09/26/1990EP0388439A1 Filter assembly
09/26/1990CN1009709B Apparatus for separating cell suspension
09/25/1990US4959146 Remotely operated submersible underwater suction apparatus
09/25/1990US4959144 Cooking oil filtration device having locking means and peripheral channel means
09/25/1990US4959045 Filter socks
09/24/1990CA2012920A1 Filter for cylindrical and flat filter equipment for use in filtering fluids
09/20/1990WO1990010487A1 Flexible tubular filter medium
09/20/1990DE3905854A1 Edge filter candle
09/19/1990EP0388004A1 Molten metal pump with filter
09/19/1990EP0387828A2 Apparatus for removal of contaminants
09/18/1990US4957635 Rotatable agitator; pigment removal from paints
09/18/1990US4957629 Obstetrical filter and trap
09/18/1990US4957625 Ceramic filter modules in series with piston backwash
09/18/1990US4957624 Method of and arrangement for purifying contaminated water
09/18/1990CA1274189A1 Filtering screens and methods of production thereof
09/18/1990CA1274188A1 Device for the recapture of water in a granular material filter bed
09/13/1990DE3907817A1 Apparatus and process for dewatering liquid manure (slurry) and sewage sludge
09/12/1990EP0386510A1 Filtering device comprising a rotating system
09/12/1990EP0204836B1 Flow through filter with backflush clearing capability
09/12/1990EP0191786B1 Filter cartridge with outer honeycomb surface and method for making the same
09/11/1990US4956089 Forming an end-cap on a filter cartridge
09/11/1990US4956086 Filter cartridge with a lugged concentric closure portion
09/11/1990US4955482 Screen cleaning in cil & cip systems
09/07/1990WO1990010211A1 Process and device for filtering liquid or gas samples laden with particles to be analyzed
09/06/1990DE3907046A1 Process and apparatuses for plug formation in screw press separators
09/06/1990DE3904888A1 Self-cleaning filter for liquids containing solids
09/05/1990EP0385113A2 Liquid filter
09/05/1990EP0385089A1 Method for the installation in a module of a rigid element for membrane separation, filtration or catalytic conversion
09/05/1990EP0367792A4 Two-stage batch filter apparatus and filtration process
09/05/1990CN2061480U Drum finely filtering device
09/05/1990CN1009492B Transver flow diagnostic device
09/05/1990CN1009431B Improved filters
09/04/1990US4954251 Concentric microaggregate blood filter
09/04/1990US4954249 Wave screen plate
09/04/1990US4954222 Dry cleaning solvent filtration and recovery system with filter rinsing apparatus
09/04/1990US4953308 Filter system for a fluid bed granulator/dryer
08/1990
08/30/1990DE3905982A1 Service water backwashing filter
08/29/1990EP0384440A2 Fuel filtering device
08/29/1990EP0383788A1 Method and apparatus for filtering contaminants.
08/29/1990CN2061079U Primary filter for large infusion production
08/28/1990US4952311 Fuel oil filter element
08/28/1990US4951749 Earth formation sampling and testing method and apparatus with improved filter means
08/23/1990WO1990009352A1 A device for the mechanical separation of insoluble solids from a liquid containing said solids
08/23/1990WO1990009351A1 Process and device for purifying liquids
08/23/1990WO1990009229A1 Spiral filter
08/23/1990DE3905113A1 Process for cleaning filter surfaces
08/22/1990EP0383622A2 Filtration process
08/22/1990EP0383525A1 Filter device
08/22/1990EP0382886A2 Vacuum suction type anti-clogging and dialysis device for filtration systems
08/21/1990US4950402 Rotating element for a screening apparatus with a contour surface
08/21/1990US4950400 Disposable oil filter unit with triple filtration
08/21/1990CA1272967A1 Fluid filter
08/16/1990EP0382331A1 Filter cartridge
08/16/1990EP0382330A1 Filter cartridge and method of manufacturing same
08/16/1990EP0382329A1 Filter cartridge
08/16/1990EP0382202A2 Method and device for the removal of components to be separated from a fluid
08/16/1990EP0382097A1 Automatic filter system
08/16/1990DE3904072A1 Verfahren und vorrichtung zur reinigung von fluessigkeiten Method and device for purifying liquids
08/16/1990DE3902200A1 Verfahren zum kleinstueckigen absprengen des filterkuchens an einem auspressfilter Method for small-to dynamite the filter cake at a pressure filter
08/15/1990CN1009161B Forming method and equipment of filtering elements
08/14/1990US4948564 In frangible webs
08/14/1990US4948549 Process for producing soot filter elements
08/14/1990US4948504 Filter bag carrier with filter seal profile
08/14/1990US4948503 Oil filter cover in combination with an oil filter cartridge
08/14/1990US4948502 Apparatus for filtering industrial liquids
08/14/1990US4948442 Method of making a multiwell test plate
08/09/1990WO1990008646A1 Process and device for operating a pressure filter for liquid-solid mixtures
08/09/1990WO1990008588A1 Process for splitting off small pieces of filter cake from a pressure filter
08/09/1990WO1990008587A1 Backwash filter
08/09/1990DE3925511C1 Low cost filter with good stability - filter element has zigzag folds and surrounding frame using 2 mould halves
08/09/1990DE3903730A1 Filter insert
08/09/1990DE3903675A1 Oil filter for cleaning lubrication oil
08/08/1990EP0381355A2 Method and apparatus for filtering cooking oil
08/08/1990EP0381171A2 Screen assembly for screening elastomeric material
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