| Patents for B01D 25 - Filters formed by clamping together several filtering elements or parts of such elements (5,131) |
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| 09/03/1987 | DE3606302A1 Filter press |
| 09/02/1987 | EP0234506A2 Filter press |
| 09/02/1987 | EP0233999A2 Filter cartridge including external cell separators |
| 09/02/1987 | EP0233980A1 Membrane filter plate for a filter press or the like with supporting bosses |
| 08/25/1987 | CA1225936A1 Filter leaf and method and apparatus for making same |
| 08/19/1987 | EP0232735A2 Apparatus for dewatering primary dewatered sludge pieces |
| 08/18/1987 | US4687579 Quartz and stainless steel fibers; liquid and gas filtration |
| 08/04/1987 | CA1225037A1 Filter press |
| 07/30/1987 | DE3419033A1 Chamber plate for a chamber filter press |
| 07/28/1987 | US4683060 Multiple-disc type filters |
| 07/22/1987 | EP0229096A1 Filtercloths |
| 07/16/1987 | DE3600526A1 Membrane filter press |
| 07/15/1987 | EP0228512A2 Filter pack |
| 07/08/1987 | EP0227847A1 Filter layer arrangement and process for its production |
| 07/07/1987 | US4678578 Replaceable, selective, leakproof; industrial use |
| 06/30/1987 | US4676902 Separation apparatus including relatively movable presser module and filtration belts |
| 06/25/1987 | DE3636792A1 Thermoplastic filter plate |
| 06/24/1987 | EP0225972A1 Apparatus for vibrating filter cloth of filter press |
| 06/23/1987 | US4674251 Improved screen component for use in modular screening decks |
| 06/19/1987 | DE3609564A1 Filter press having membrane plates |
| 06/18/1987 | WO1987003504A1 Filter cloth cake removal device |
| 06/11/1987 | DE3631326A1 Filter plate for chamber filter presses |
| 06/10/1987 | CN86205139U Framed filter plate |
| 06/10/1987 | CN86106813A Filter press |
| 06/04/1987 | DE3640854A1 Apparatus and process for filtering liquids with minimal product-water mixing and minimal filtration losses |
| 06/02/1987 | US4670205 Method of forming a mask |
| 05/27/1987 | EP0222779A1 Improvements to filters-presses. |
| 05/26/1987 | US4668392 Filter plate for filter presses |
| 05/26/1987 | US4668385 Filter cloth hanging rod detecting arrangement |
| 05/21/1987 | WO1987002908A1 Filter press for separating liquids from sludge to obtain a high solid content |
| 05/19/1987 | US4666596 Filter cloth stretched on both sides |
| 05/12/1987 | US4664797 Filter press |
| 05/12/1987 | CA1221646A1 Filter cloth arrangement for use in fixed filter cloth type filter press |
| 05/06/1987 | EP0220324A1 Polymer filtering apparatus |
| 04/30/1987 | DE3631968A1 Device for a rotary drive for filter sieves in horizontal sieve filters |
| 04/28/1987 | US4661250 Mutiple-disc filter |
| 04/21/1987 | US4659483 Controlling the quantity being fed by the feed pumps by speed control, whereby increasing the charging pressure |
| 04/21/1987 | US4659465 Washing apparatus for filter presses |
| 04/07/1987 | US4655919 Fluid filter device |
| 04/07/1987 | US4655916 Mining-type slurries |
| 04/01/1987 | EP0116578B1 Press filter |
| 03/25/1987 | CN85106702A Filter cloth hanging apparatus for filter press |
| 03/18/1987 | CN85107613A Filter press |
| 03/18/1987 | CN85106556A Washing apparatus for press filter |
| 03/12/1987 | WO1987001300A1 Filter press |
| 03/03/1987 | US4647415 Method of producing a filter pad |
| 03/03/1987 | CA1218610A1 Apparatus for oscillating filter cloth of filter press |
| 02/25/1987 | EP0211315A2 Chamber filter press |
| 02/17/1987 | US4643827 Filter press for cake filtration |
| 01/28/1987 | CN85105830A Automatic filter press of squeeze type |
| 01/27/1987 | US4639312 Filter press flow control system for dewatering sludge |
| 01/21/1987 | EP0208899A2 Fibre press with spreading means |
| 01/15/1987 | WO1987000074A1 Filtercloths |
| 01/14/1987 | EP0208076A2 Membrane plate with a support and border sealing |
| 01/07/1987 | EP0207555A2 Filter device |
| 12/30/1986 | US4632755 Stacked filter cartridge |
| 12/18/1986 | WO1986007282A1 Improvements to filters-presses |
| 12/17/1986 | EP0205407A2 Improved disk filter |
| 12/09/1986 | US4627914 Device for automatic control of pressure filters |
| 11/20/1986 | EP0201991A2 Filter cloth assembly for use on a centre-feed filter plate |
| 11/18/1986 | US4623453 Filter press and separator mechanism |
| 11/06/1986 | WO1986006317A1 Polymer filtering apparatus |
| 11/04/1986 | US4620917 Removing carbon from lubricating oil of diesel engines |
| 10/22/1986 | EP0198164A2 Filter for liquids |
| 10/21/1986 | US4617863 Plate and diaphragm assembly for a filter press |
| 10/14/1986 | CA1212634A1 Slurry feeding device for use in filter press |
| 10/07/1986 | CA1212339A1 Filter press |
| 08/26/1986 | US4608164 Membrane filter plate |
| 08/20/1986 | EP0191035A1 Filter plate |
| 08/13/1986 | CN85107005A Filtering apparatus |
| 08/06/1986 | EP0189835A2 Mounting of a filter press |
| 08/05/1986 | US4604195 Perforated sheets in feedbox throat |
| 08/05/1986 | US4604037 Slurry pumping apparatus for solid-liquid separation |
| 07/31/1986 | WO1986004254A1 Segmented filter device |
| 07/30/1986 | EP0188993A2 Multiple-disc type filters |
| 07/15/1986 | US4600509 Number of plates suspended on horizontal upper frame |
| 07/01/1986 | US4597862 Latch and pawl for engaging neighboring plates |
| 05/27/1986 | US4591446 Method of filtering and a device for filtering solid-containing liquids |
| 05/27/1986 | US4591435 Filter press |
| 05/20/1986 | US4589983 Corrugated filter media |
| 05/13/1986 | CA1204254A1 Method for treating cellulose obtained from cellulose cooking process |
| 05/06/1986 | US4587015 Plate filter press |
| 04/23/1986 | EP0178389A2 Filter press with chambers |
| 04/22/1986 | US4584100 Guide and control means for filter cloths |
| 04/22/1986 | CA1203419A1 Encapsulated frame type filter press |
| 04/09/1986 | EP0177170A2 Filter press |
| 04/08/1986 | US4581138 Filter press |
| 03/26/1986 | EP0175527A2 Filter press |
| 03/26/1986 | EP0175391A2 Slurry pumping apparatus for solid-liquid separation |
| 03/18/1986 | US4576715 Impregnation, polymer, welding |
| 03/11/1986 | CA1201664A1 Selectively plugged sinterable honeycomb structures |
| 03/05/1986 | EP0173603A1 Apparatus for the separation of the liquid phase from a solid-liquid suspension |
| 02/27/1986 | WO1986001126A1 Filter plate |
| 02/27/1986 | WO1986001125A1 Filter press |
| 02/11/1986 | US4569759 Tangential filtration apparatus and plant comprising such apparatus |
| 02/04/1986 | US4568549 Wine-making process |
| 02/04/1986 | US4568460 Dewatering, desludging |
| 01/22/1986 | EP0168798A2 Process and apparatus for feeding a filter device |
| 01/21/1986 | US4565637 Hydraulic compression of filter cake |
| 01/21/1986 | US4565602 Method for treating cellulose obtained from cellulose cooking process |