| Patents for B01D 33 - Filters with filtering elements which move during the filtering operation (10,149) |
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| 02/17/1987 | US4643981 Fibrous filter material sandwiched between layers of porous, rigid plastic; plunger action forces filtrate upward through tube |
| 02/17/1987 | US4643826 Filtration apparatus comprising endless belts passing between clamping plates |
| 02/10/1987 | US4642188 Backwash apparatus for multi element filter unit |
| 02/10/1987 | CA1217675A Continuous-operation filtration technique and equipment |
| 02/03/1987 | US4640775 Vacuum filter for the separation of solids from liquids |
| 01/29/1987 | WO1987000447A1 Tilting pan filters and cam therefor |
| 01/28/1987 | CN85105930A Continuous filter press of tube type for tailing |
| 01/27/1987 | US4639315 Apparatus for mechanical purification of waste water |
| 01/27/1987 | US4639258 Filtration of cuttings from drilling muds |
| 01/20/1987 | US4637876 Disc shaped filter element |
| 01/15/1987 | WO1987000073A1 A device for the separation of solid substances from waste water |
| 01/13/1987 | US4636304 Elastic screen; rotational |
| 01/13/1987 | CA1216527A1 Apparatus for removing a fiber layer from a rotating disc filter |
| 01/08/1987 | DE3523964A1 Process for washing filter cakes |
| 01/06/1987 | US4634537 Sewage treatment |
| 01/06/1987 | US4634529 Rotatable disc filter |
| 01/06/1987 | US4634524 Rotating grizzly |
| 12/30/1986 | CA1215943A1 Screen plate |
| 12/18/1986 | WO1986007284A1 Improvements in filters |
| 12/17/1986 | EP0201443A1 Filter belts press |
| 12/16/1986 | CA1215329A1 Fluid film bearing for use in horizontal belt vacuum filters |
| 12/04/1986 | WO1986007106A1 A device for collecting and discharging solid particles carried by flowing water |
| 12/02/1986 | US4626351 Filter, especially for dry-cleaning machines |
| 11/20/1986 | WO1986006648A1 A method and an apparatus for separating bodies from a liquid |
| 11/12/1986 | EP0201290A2 Backwashable filter |
| 11/12/1986 | CN86101566A Shaft assembly similar to disc sifter and its manufacture |
| 11/12/1986 | CA1213709A Shower pipes for rotary drum filter |
| 11/11/1986 | US4622145 Drum filter |
| 11/05/1986 | EP0200096A2 Screening device |
| 11/04/1986 | US4620927 Polymeric microscreen support wheel and assembly |
| 11/04/1986 | US4620478 Filtration apparatus for use with a meat-piece fluid injector |
| 10/22/1986 | EP0198787A2 Disk screen or like shaft assemblies and method of making the same |
| 10/22/1986 | EP0198421A1 Process and apparatus for filtering a suspension of particles in a liquid |
| 10/21/1986 | US4618424 Rotary vacuum filter with adjustable immersion angle |
| 10/14/1986 | US4616489 Stock washer |
| 10/08/1986 | EP0196507A1 Method to regulate and optimize the operation of a sieve belt press for filtering pulps |
| 10/08/1986 | EP0112893B1 A device for separating a liquid from a slurry and comprising a spillway |
| 10/07/1986 | US4615801 Rotary filtration means in the filth condensation-dehydration apparatus |
| 09/30/1986 | US4614594 Electrical capacitance |
| 09/16/1986 | US4612123 Regulating apparatus for dewatering machines |
| 09/16/1986 | US4612117 Aluminum alloy supporting baskets |
| 09/02/1986 | US4609467 Dewatering sludge; conveyor type |
| 09/02/1986 | CA1210705A1 Method and equipment for the clarification of water |
| 08/27/1986 | EP0192620A1 Disc filter element for a rotatable disc filter |
| 08/26/1986 | US4608171 Adjustable mounting for valve-discharge elbow of rotary drum filters |
| 08/26/1986 | US4608170 Pulp and papermaking |
| 08/26/1986 | US4608169 Removing filter cake from septum and cleaning |
| 08/26/1986 | US4608122 Method for washing a paper fiber on a belt washer using a sonic frequency disturbance |
| 08/21/1986 | EP0111509A4 Apparatus for universal water treatment. |
| 08/20/1986 | EP0191102A1 Solid-liquid separating apparatus |
| 08/05/1986 | US4604195 Perforated sheets in feedbox throat |
| 07/29/1986 | US4602998 Endless, perforate conveyor belt for carrying liquids; dewatering sludge |
| 07/29/1986 | CA1208596A1 Conveyor belt for discharging granulated slag from a filtering installation |
| 07/23/1986 | EP0187795A1 Sector with variable thickness for a disc-type rotary filter. |
| 07/02/1986 | EP0186545A1 Vacuum belt filters with a gasket system disposed between the carrier belt and the vacuum box provided with sevveral partitions |
| 07/02/1986 | EP0185736A1 Apparatus for dewatering clay filter cake |
| 07/01/1986 | US4597865 Rotary liquid separation unit |
| 07/01/1986 | US4597864 Continous removal from water stream |
| 06/18/1986 | EP0184688A1 Fine powder and method of treating it |
| 06/17/1986 | US4595501 Horizontal endless belt vacuum filters |
| 06/17/1986 | US4595499 Dewatering sewage sludge |
| 06/10/1986 | US4594152 Screening pulp |
| 06/10/1986 | CA1205753A1 Screen for separating solids from a liquid medium |
| 06/03/1986 | CA1205390A1 Filtering apparatus |
| 05/14/1986 | EP0148814A4 Sieve screen deck. |
| 05/07/1986 | EP0100345B1 Screen machine |
| 05/06/1986 | US4587023 Pressing for dewatering sludge |
| 04/23/1986 | EP0178584A2 Apparatus for the mechanical purification of waste water |
| 04/22/1986 | US4584099 Sewage sludge filtering system |
| 04/22/1986 | CA1203489A1 Vibrating dewatering screen |
| 04/15/1986 | US4582601 High strength, resistant to deflection, lightweight, corrosion resistant, easy maintenance |
| 04/10/1986 | WO1986002014A1 Improvements relating to a method of and apparatus for filtering |
| 04/09/1986 | EP0177451A2 An apparatus for separation and transportation of solid from liquid |
| 04/09/1986 | EP0176810A2 Process and device for removing the filter cake from a pressure disc filter |
| 04/09/1986 | EP0176520A1 Dehydrofreezing of peeled apple pieces. |
| 04/08/1986 | US4581139 Fgor pulp slurries |
| 04/08/1986 | US4581136 Recovering usable sludge, fibers for fuel; pollution control |
| 04/02/1986 | EP0176122A2 Oil/liquid separation filter system |
| 04/02/1986 | EP0175702A1 Improvement to vacuum rotary filters with horizontal filtration plane. |
| 04/02/1986 | EP0165992A4 Filtration method and apparatus. |
| 03/25/1986 | US4578253 Methods of and apparatus for recovering a constituent of a process effluent |
| 03/25/1986 | US4578198 Sewer and catch basin cleaning system |
| 03/25/1986 | CA1202246A1 Belt filter press for filtering a heavy liquid |
| 03/13/1986 | WO1986001429A1 Solid-liquid separating apparatus |
| 03/12/1986 | EP0098270B1 Method and apparatus in screening fibre suspensions |
| 03/11/1986 | US4575421 Non-clogging wear-reducing screen assembly for vibrating screening machine |
| 03/05/1986 | EP0173638A2 Prevention of wedged jamming in disk screens |
| 03/05/1986 | EP0173603A1 Apparatus for the separation of the liquid phase from a solid-liquid suspension |
| 02/19/1986 | EP0172013A2 Vacuum filter apparatus |
| 02/18/1986 | CA1200787A1 Method and apparatus in screening fibre suspensions |
| 02/12/1986 | EP0170679A1 Methods of and apparatus for recovering a constituent of a process effluent. |
| 02/11/1986 | US4569762 Transverse channels with drainage holes |
| 02/11/1986 | CA1200511A1 Device for separating serum from blood sample |
| 02/05/1986 | EP0170153A1 Apparatus for removing the liquid phase from a suspension |
| 02/04/1986 | US4568461 A slurry over a filter surface |
| 02/04/1986 | US4568459 Solids, such as fused thermoplastics, from liquids |
| 01/30/1986 | WO1986000543A1 Sector with variable thickness for a disc-type rotary filter |
| 01/15/1986 | EP0167676A1 Belt filter device |
| 01/07/1986 | US4563278 Belt filter press with ribs for filtering a heavy liquid |
| 01/07/1986 | CA1198988A1 Dewatering and compacting screen |