Patents
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)
10/1989
10/05/1989WO1989009255A1 Process and installation for recovering oils and fats from natural products
10/05/1989DE3815145C1 Filter body made of a zigzag-shaped pleated web
10/03/1989US4871457 Disk filter
10/03/1989US4871455 Filter assembly with lockable lug means
10/03/1989US4871454 Portable dumpster slurry separating system
10/03/1989US4871449 Clarifier and screw compactor liquid-solid separator
09/1989
09/28/1989DE3808602A1 Device for a filter
09/27/1989EP0334639A1 Filter Device
09/27/1989EP0334527A2 Slime control for primary filtration systems
09/27/1989EP0333807A1 Process and installation for decanting liquids, in particular raw juices
09/27/1989EP0333753A1 Arrangement in membrane filter.
09/27/1989CN2044895U Multifunction press filter
09/26/1989US4869820 Filter apparatus for fluids with co-axially stacked filter elements
09/26/1989US4869816 Transmission fluid filter joint
09/26/1989CA1261764A1 Insert for a water purification device
09/21/1989WO1989008618A1 Sludge treatment system
09/21/1989DE3844539C1 Web-form filter material, in particular filter paper for liquid filters or gas filters, having shaped-in beadings
09/21/1989DE3815146C1 Web-shaped filter material, in particular filter paper for liquid filters or gas filters, having moulded beads
09/21/1989DE3807828A1 Arrangement for a filter device
09/21/1989DE3807827A1 Arrangement for filter, insert for filter and filter
09/20/1989EP0333272A1 Backflush filterelement
09/20/1989EP0333119A2 Liquid filtering device
09/20/1989EP0332944A2 Filter punch and filter collection system
09/20/1989CN2044513U Wire winded filter with plastic coating
09/19/1989US4867885 Vacuum suction type anti-clogging and dialysis device for filtration systems
09/19/1989US4867879 Pipeline sieve with a suction removal device
09/19/1989US4867877 Waste disposal/separation system
09/19/1989US4867876 Filter plate, filter plate element, and filter comprising same
09/19/1989US4867873 Frier incorporating filtering mechanism
09/19/1989EP0310632A4 Cross-flow filtration device and method of making.
09/19/1989CA1259455A1 Process for manufacturing articles of filter paper
09/14/1989DE3807275A1 Apparatus for pressure dewatering of aqueous sludges
09/14/1989DE3739153C1 Vorrichtung zur Ermittlung des Beginns eines Verfalls von bewegten,fluessigkeitsgeschmierten Teilen Device for determining the start of a decay of moving, parts fluessigkeitsgeschmierten
09/13/1989EP0205623B1 Pressure slit screen
09/12/1989US4865738 Filter cartridge with truncated sawtooth projection assembly
09/12/1989US4865737 Filter support for disposable coffee filters
09/12/1989US4865724 Metal working machine liquid filtering device with coalescer, filter, and time delayer
09/08/1989WO1989007972A1 Method and apparatus for removing liquid from permeable material
09/07/1989DE3806208A1 Filter arrangement
09/06/1989EP0331020A2 Filtering device for the filtration of liquids
09/05/1989US4864329 Fluid handling device with filter and fabrication process therefor
09/05/1989US4863656 Microporous plate and method for manufacturing the same and suction drier apparatus
09/05/1989US4863617 Process and apparatus for separating solid-liquid compositions
09/05/1989US4863610 Scraping, collecting & eluting apparatus for thin layer chromatography and method for its use
09/05/1989US4863602 Flexible filter element employing filtering sheets formed with bypass openings
09/05/1989US4863601 Filter apparatus with hydrophilic filter material and hydrophobic support
09/05/1989US4863598 Multiple disc type filters
09/05/1989US4863597 Dewatering device with screen assembly having releasable fastening means
09/05/1989US4863591 Inline filter
09/05/1989US4862914 Multi-position valve for backflushing filters
09/05/1989CA1259032A1 Low profile plate filter
08/1989
08/31/1989DE3805138A1 Filter
08/30/1989EP0330513A2 Fluid filter
08/30/1989EP0330073A1 Basket filter
08/30/1989EP0329744A1 Filter candle
08/30/1989EP0221991B1 A device for collecting and discharging solid particles carried by flowing water
08/30/1989CN1035058A Method of making filter body formed of cellulose-spanbond nonwoven cloth
08/29/1989US4861498 Backwash system for filter-thickeners
08/29/1989US4861479 Tubular filter element with biasing element and method of making
08/29/1989US4861478 Removable fuel tank filter
08/29/1989US4861476 Intake and outlet pipes are positioned opposite flow guide plate; durability
08/29/1989US4861474 Fuel filter coupling
08/29/1989US4861471 Activated sludge treatment apparatus
08/29/1989US4861466 Pressure filter assembly with bleed valve
08/29/1989US4861462 Method of forming sieve unit for screening machine
08/24/1989WO1989007483A1 Improved bag filter
08/22/1989US4859337 Filter for making portions of coffee or tea
08/22/1989US4859336 Filtering device for dispensing and filtering from samples
08/22/1989US4859335 Fluid filtering systems
08/22/1989US4859332 Filter leaf cleaning jet apparatus
08/22/1989US4859322 Device for removing material screened or filtered out of a liquid flowing in a channel
08/16/1989EP0328038A2 Small size plastic filter and its production process
08/16/1989EP0327715A1 Disposable filter
08/15/1989US4857194 Intermittent vacuum filter apparatus incorporating a double valve arrangement
08/15/1989US4857189 Filter cartridge with a lugged concentric closure portion
08/15/1989US4857182 Protection devices for bar screens
08/15/1989US4857175 Centrifugal debris catcher
08/15/1989US4856204 Microporous plate and method for manufacturing the same and suction drier apparatus
08/10/1989DE3802816A1 Candle-shaped filter element, filter candle
08/09/1989EP0327394A2 Cell-type filter cartridge
08/09/1989EP0326578A1 Filter for hot melt adhesive.
08/09/1989EP0262151A4 Filter pump head assembly.
08/08/1989US4855123 With oxygen using specific activated carbon catalyst
08/08/1989US4855038 High consistency pressure screen and method of separating accepts and rejects
08/08/1989US4854951 Pulse jet fabric filter
08/02/1989EP0326480A1 Apparatus for separating into its two phases a substance composed of solid materials in suspension in a liquid
08/02/1989EP0326359A2 Precoat filter element
08/02/1989EP0325910A1 Improved sample filtration device
08/02/1989EP0325712A1 Disposable filter with a double supporting grid
08/02/1989CN2041974U 过滤器 Filter
08/02/1989CN2041973U High-efficiency vacuum oil filter
08/01/1989US4853126 Paint strainer
08/01/1989US4853125 Fluid chamber having a tubular filter and a securing recess for mounting the same
08/01/1989US4853123 Completely sealed fuel filter and method of making same
08/01/1989US4853120 Axial reverse flow filter assembly for fluids
08/01/1989US4853116 Device for collecting and discharging solid matter
07/1989
07/27/1989WO1989006719A1 Screen plate
07/27/1989WO1989006572A1 Nozzle for screen apparatus
07/27/1989WO1989006568A1 Pump for filtration systems
07/26/1989EP0325412A2 Metal well screen assembly with plastic end fitting and method of attaching same