| 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) |
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| 03/31/1994 | DE4232490A1 Hydraulically balancing back flush arrangement for filter - with liq. displacer connected to filtration chamber on filtrate side of filler |
| 03/31/1994 | CA2145161A1 Method for making a ceramic metal composite |
| 03/31/1994 | CA2142877A1 Wear resistant basket for scroll centrifuge |
| 03/30/1994 | EP0589538A1 Filter device comprising pleated material |
| 03/30/1994 | EP0589032A1 Process and device for recycling polluted process water. |
| 03/30/1994 | EP0588922A1 Filter with delta wedge pleat. |
| 03/30/1994 | EP0588902A1 Rotary filtration device and filter pack therefor |
| 03/30/1994 | CN2159834Y Vortex bag type dust remover |
| 03/30/1994 | CN2159820Y Filter without partition board |
| 03/30/1994 | CN1084451A Press assembly for extracting liquids from solids |
| 03/29/1994 | US5298160 Filter housing with means to prohibit fluid flow |
| 03/29/1994 | CA1328083C Cartridge and cover assembly for fluid filters |
| 03/24/1994 | CA2087998A1 Process for forming electret filter media and electret filter media |
| 03/23/1994 | EP0588230A1 Separation and filtration device for solid-liquid separation |
| 03/23/1994 | EP0588035A2 Separator for with oil and fat polluted sewage |
| 03/23/1994 | CN1084107A Screen device with quick release mounting |
| 03/22/1994 | US5296143 Apparatus for filtering liquids |
| 03/22/1994 | US5296134 Filtration structure for fluid flow radially through cylindrical configuration defined by stack of serrated wafers |
| 03/22/1994 | US5295583 Process for cleaning short mineral fibers |
| 03/22/1994 | CA2106448A1 Cap system for underdrains in gravity filters |
| 03/19/1994 | CA2105962A1 Device and method for affinity separation |
| 03/17/1994 | WO1994005395A1 Microporous filtration funnel assembly |
| 03/17/1994 | EP0588902A4 Rotary filtration device and filter pack therefor. |
| 03/17/1994 | DE4302321C1 Waste water treatment tank for Removing suspended particles, esp. phosphate-contg. particles - has aeration elements with outlets for receiving water passed through overhead filter cleaned by filter cleaning device |
| 03/17/1994 | CA2143421A1 Microporous filtration funnel assembly |
| 03/16/1994 | EP0587080A1 Sludge dehydrating press and method for treating sludge |
| 03/16/1994 | EP0586659A1 Method and apparatus for rapidly testing the integrity of filter elements |
| 03/16/1994 | EP0586591A1 Rotary disc filtration device |
| 03/16/1994 | EP0340240B1 Filter apparatus and method |
| 03/16/1994 | CA2104919A1 Paint intake filter guard |
| 03/15/1994 | US5294337 Water filtration system |
| 03/15/1994 | US5293935 Sintered metal substitute for prepack screen aggregate |
| 03/12/1994 | CA2105410A1 Sludge dehydrating press and method for treating sludge |
| 03/10/1994 | DE4230214A1 Gravity filter appts. feeds solid/liquid onto filter belt and scraper - to remove filter cake from belt with filtrate removed below belt and drained away |
| 03/09/1994 | EP0344262B1 Procedure and means for filtering and homogenizing liquid substances |
| 03/09/1994 | CN2158400Y Purification and filtration for drinking water |
| 03/09/1994 | CN1083411A Automatic sewage filtering equipment |
| 03/08/1994 | US5292437 Multilayer frustoconical filter structure |
| 03/08/1994 | US5292434 Filter apparatus and method using belt filter medium |
| 03/08/1994 | US5292432 Filter for fluids |
| 03/08/1994 | CA1327482C Pump for filtration systems |
| 03/03/1994 | WO1994004746A1 Dewatering arrangement |
| 03/03/1994 | WO1994004245A1 Filter jug |
| 03/03/1994 | WO1994004243A1 Depth filter cartridge and method and apparatus for making same |
| 03/03/1994 | WO1994004242A1 Processing plant for waste water treatment |
| 03/03/1994 | WO1993024202A3 Filter bag assembly |
| 03/03/1994 | DE4326912A1 Pressure filter, esp. for use in extrusion of synthetic fibres - in which flow distribution plate between filter stack and extrusion nozzle plate is either fixed to, or can move axially on, extension of filter pressure piston |
| 03/03/1994 | DE4325645A1 Blood transfusion filter with one support housing - for two filter cloths of different pore size |
| 03/03/1994 | CA2142268A1 Processing plant for waste water treatment |
| 03/02/1994 | EP0455637B1 Process and device for operating a pressure filter for liquid-solid mixtures |
| 03/02/1994 | CN2157819Y Filter diaphragm suction filter |
| 03/02/1994 | CN1083175A Device for throttling a hydraulic pressure medium |
| 03/01/1994 | US5290458 Granular media regeneration process |
| 03/01/1994 | US5290456 Filter plate for removing hydrocarbons and other contaminants from solutions and gases |
| 03/01/1994 | US5290447 Block-shaped pleated filter insert |
| 03/01/1994 | US5290446 Helical wrapped filter element |
| 03/01/1994 | US5290445 Filtering apparatus |
| 03/01/1994 | US5290441 Integrated collar, filter bag, cage and locking ring assembly for baghouses |
| 03/01/1994 | US5290438 Sewage incineration system |
| 02/24/1994 | DE4227137A1 Filter for polymer melt, esp. in extruder - comprises two filter plates with coincident flow channels enclosing filter mesh and forced together by adaptor ring |
| 02/23/1994 | EP0583544A1 Method of filter-manufacturing |
| 02/23/1994 | EP0583262A1 Device and process using a worm conveyor for separating materials, in particular solid or coagulated materials, from liquids and/or for concentrating solutions. |
| 02/23/1994 | CN2157182Y Water mineralizing and purifying device |
| 02/23/1994 | CN2157180Y Water magnetizing, mineralizing and purifying device |
| 02/22/1994 | US5288414 Creating a water current pattern toward pool center, drawing the floating debris by the current into the net |
| 02/22/1994 | US5288300 Filter with a filter cassette |
| 02/22/1994 | US5287985 Container for dewatering or packaging and transportation |
| 02/21/1994 | EP0630281A4 Pleated poly(tetra-fluoro ethylene) filter medium and support. |
| 02/17/1994 | WO1994003646A1 Methods of biomass pretreatment |
| 02/17/1994 | WO1994003255A1 Filter underdrain module and underdrain system |
| 02/17/1994 | WO1994003254A1 Treatment device |
| 02/17/1994 | DE4226673A1 Filter cleaning - uses compressed air saturated with solvent in spray to force residual permeate back through membrane pores followed by further cleaning with compressed air or water |
| 02/17/1994 | DE4226570A1 Aufbereitungsanlage für die Behandlung von Abwässern Treatment plant for waste water treatment |
| 02/17/1994 | DE4226445A1 Filter device having a filter body and means for its on=line cleaning - by causing the forced mechanical vibration of the filter body while still permitting simultaneous removal of a filtered test sample |
| 02/17/1994 | CA2120612A1 Filter underdrain module and underdrain system |
| 02/16/1994 | EP0583149A2 Disposal plug for filter cartridge |
| 02/16/1994 | EP0582638A1 A vacuum clamped multi-sample filtration apparatus and method |
| 02/16/1994 | CN2156176Y Water purifying machine |
| 02/16/1994 | CN2155934Y Automatic flushing filter |
| 02/16/1994 | CN2155933Y Pressure type automatic counter flushing filter |
| 02/16/1994 | CN1023769C Method for removing liquid from mixture of liquid and solid matter |
| 02/15/1994 | US5286387 Effluent filtration and sack filter apparatus |
| 02/15/1994 | US5286381 Filter assemblies |
| 02/15/1994 | US5286376 Filtering apparatus |
| 02/15/1994 | CA2070910C Dewatering method |
| 02/15/1994 | CA1327024C Fluid filter |
| 02/09/1994 | EP0582024A1 Use of a device for the separation of solid particles from a fluid |
| 02/09/1994 | EP0581965A1 Solid-liquid separating apparatus |
| 02/09/1994 | EP0466755B1 Sectional screen cylinder |
| 02/09/1994 | CN2155263Y 液体过滤机 Liquid Filter |
| 02/08/1994 | US5284586 Fluid flow filter and method of making same |
| 02/08/1994 | US5284581 Processing apparatus with wall conditioning shuttles |
| 02/08/1994 | US5284580 Refuse collecting frame for sewer |
| 02/03/1994 | WO1994002241A1 Multi-purpose apparatus |
| 02/03/1994 | WO1994002231A1 Filter flow indicator |
| 02/03/1994 | WO1994002229A1 Screen device with quick release mounting |
| 02/03/1994 | DE4225144A1 Ring filter |
| 02/03/1994 | CA2137810A1 Screen device with quick release mounting |
| 02/02/1994 | EP0581740A2 Purification of pre-coat filters |
| 02/02/1994 | EP0581695A1 Filter assembly including filter unit having deformable sealing end caps |