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)
04/1987
04/08/1987EP0217482A1 Filter element
04/07/1987US4655938 Process and contrivance for the regeneration of lubricating oils
04/07/1987US4655922 Wire locking structure for a filter device
04/07/1987US4655921 Filter element
04/07/1987US4655911 Liquid filter with reverse flow rinsing operation
04/07/1987US4655910 Liquid filtering device
04/07/1987US4655797 Fine screen and fine screen stack, their use and process for the manufacture of fine screens
04/01/1987EP0216711A1 Separation process for catalyst fines, of a hydrocarbon charge, by filtration through mineral barriers and a filtration loop
04/01/1987EP0216011A2 A method of and apparatus for drying slurry
04/01/1987EP0116578B1 Press filter
04/01/1987CN86103715A Transverse flow diagnostic device
03/1987
03/31/1987US4654143 Multiple-disc type filter with extensible support
03/31/1987US4654142 Filtering system
03/26/1987WO1987001655A1 Composite having improved transverse structural integrity and flexibility for use in high temperature environnments and method of making the same
03/26/1987WO1987001610A1 Filter body and process for its manufacture
03/26/1987WO1987001609A1 Process for removing water and/or other volatile impurities from lubricating oils and device for carrying out the process
03/26/1987WO1987001605A1 High-pressure crystallizer
03/26/1987DE3543437C1 Liquid filter, especially lubricating-oil filter for internal-combustion engines
03/26/1987DE3534240A1 Hydraulic alternating flow filter
03/26/1987DE3533936A1 Sterilising filtration process and water sterilisation apparatus therefor, in particular having a sterilising filter and/ôor a fine clarifying filter
03/25/1987EP0215087A1 Cross-flow filtration.
03/24/1987US4652379 Filtering impurities from liquid using mineral wool fiber material
03/24/1987US4652369 Filtering system for swimming pools
03/24/1987US4652367 Filter for the filtration of fluids
03/18/1987EP0214374A1 Thermally formed filter
03/17/1987US4650580 Filter candle and method for producing the same
03/17/1987US4650571 Simplified dectection of liquid levels differential
03/12/1987EP0160643A4 Oil filter assembly having a removable filter member.
03/11/1987EP0213941A2 Improvements relating to filters and valves
03/11/1987EP0213930A2 Method and structure for integral forming of filter cartridge end caps
03/11/1987EP0213901A2 Method for securing a microsieve to a support member and supported microsieve
03/11/1987EP0213714A2 Method and apparatus for discharging cake formed on an electrode structure
03/10/1987US4648971 Flow through filter with backflush clearing capability
03/04/1987EP0213000A2 Method and system of cleansing a filter bed
03/04/1987EP0212466A2 Method for forming filter element and forming apparatus therefor
03/04/1987EP0212179A2 Raking device in lauter tubs for the production of wort in the brewing of beer
03/04/1987CN86105813A Thermally formed filter
03/04/1987CN86105334A Method for securing a microsieve to a support member and supported microsieve
03/03/1987US4647415 Method of producing a filter pad
03/03/1987US4647373 Renewable filter function, individually removable layers
02/1987
02/26/1987WO1987001057A1 Electrode-drain structures for dewatering of suspensions
02/26/1987WO1987001049A1 Water filtering system
02/25/1987EP0211155A2 Disposable filter unit
02/24/1987US4645597 Filter medium and method of manufacturing the same
02/24/1987US4645596 Prevent porous filter element clogging
02/24/1987US4645591 Self-cleaning fluid filter
02/24/1987CA1218313A1 Apparatus for removing foreign matters from condenser cooling water
02/24/1987CA1218312A1 Filtration method and apparatus
02/18/1987CN86104373A Method and system for cleansing a filter bed
02/17/1987US4643828 Filter cleaning, secondary flow system
02/17/1987US4643824 Fried foods filtration; oxidation prevention
02/17/1987CA1218022A1 Pneumatic hydro-pulse filter system and method of operation
02/10/1987US4642195 Cleaning screens without dismounting
02/10/1987US4642189 Rotary screen of the vertical pressure type having pulp stock feed at different axial positions on the screen
02/10/1987US4642188 Backwash apparatus for multi element filter unit
02/10/1987US4642182 Multiple-disc type filter with extensible support
02/03/1987US4640779 Filter element
02/03/1987US4640771 Fluid intake screening device
02/03/1987US4640497 Filtration apparatus
01/1987
01/29/1987DE3620642A1 Process for recovering elemental phosphorus from phosphorus-containing waste material
01/29/1987DE3526746A1 Safety filter for props or walking mechanisms
01/28/1987EP0209655A2 Tube filter
01/27/1987US4638856 Oil filter and cooler for internal combustion engine
01/27/1987CA1217148A1 Backwashing-type filtering apparatus with filter support grid of ring-like segments
01/21/1987EP0209348A2 Filter element for use in filter apparatus
01/21/1987EP0208883A2 Wound membrane filter tube
01/20/1987US4637879 Apparatus for use in filtering a liquid
01/20/1987US4637878 Reciprocal movable screens in a vertically elongated vessel
01/20/1987US4637877 Stainless steel elements
01/20/1987US4637876 Disc shaped filter element
01/20/1987US4637875 For inks, paints, other liquids
01/20/1987US4637874 Elongated, extruded body for mounting filter
01/20/1987US4637873 Front load skimmer/filter for spas and pools
01/15/1987DE3525230A1 Filtration apparatus
01/13/1987US4636311 Selective controlling flow
01/13/1987US4636306 Fluid filtering systems
01/08/1987DE3522950A1 Screw-on oil by-pass filter
01/08/1987DE3522725A1 Process for producing a filter having pores of a predetermined and roughly equal microsize and a filter produced by this method
01/07/1987EP0207693A2 Aquarium filter system
01/07/1987EP0207233A1 Straining and stop valve
01/06/1987US4634527 Flexible seals
01/06/1987US4634525 Loose parts filter
01/06/1987US4634523 Fluid supply device with periodically positive and reverse flow cleaning cycle
01/06/1987US4634521 Fiber bundles used in papermaking
01/02/1987DE3523218A1 Well filter pipe and process for the production thereof
01/02/1987DE3521852A1 Device for separating off foreign substances from a liquid
12/1986
12/31/1986WO1986007606A1 Multiwell test plate
12/31/1986WO1986007580A1 Method and arrangement for the manufacture of filters
12/31/1986CN86102465A Cross-flow filtration
12/31/1986CN85105024A Water purification apparatus
12/30/1986US4632757 Blocking members disposed on opposite faces of filter body defining passageway
12/30/1986US4632753 Strainer basket provided with at least one tubular sighting net open at either ends
12/30/1986EP0206975A2 High consistency pressure screen and method of separating accepts and rejects
12/30/1986EP0206561A2 Diagnostic device
12/30/1986EP0206182A1 Fluid filter with pleated filter medium
12/30/1986EP0205623A1 Pressure slit screen
12/30/1986CA1215943A1 Screen plate
12/23/1986US4631127 Changeable filter baskets
12/23/1986US4631126 Integral bachflush means for pressure vessels
12/18/1986WO1986007283A1 Mechanically raked bar screen with conveyor system having elastomeric rakes