| 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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| 07/21/1987 | US4681681 Water irrigation systems; preventing clogging |
| 07/21/1987 | US4681660 Method and device for reclaiming fluid lubricants |
| 07/21/1987 | US4681161 Well screen centralizer and method for constructing centralizer and for joining of well screens |
| 07/15/1987 | EP0228512A2 Filter pack |
| 07/15/1987 | EP0228497A1 A process for water purification, and a filter for carrying out the process |
| 07/14/1987 | US4680118 Pleated and sealed filter cartridge with connected film |
| 07/14/1987 | US4680113 Sieve arrangement for recovering cleaning particles from a cooling-water stream downstream of a heat exchanger |
| 07/14/1987 | US4680038 Cylindrical candles; solids from fluid |
| 07/08/1987 | EP0228262A2 Double cylinder screen |
| 07/08/1987 | EP0228210A1 Filter unit |
| 07/08/1987 | EP0227802A1 Multiwell test plate |
| 07/07/1987 | US4678589 Removable in-line self-cleaning strainer for piping systems |
| 07/07/1987 | US4678578 Replaceable, selective, leakproof; industrial use |
| 07/07/1987 | US4678576 Reusable filter unit with recoverable filter membrane |
| 07/07/1987 | US4678564 Cast filter and automatic self-cleaning backflush control system therefor |
| 07/02/1987 | WO1987003824A1 Periodic action device for filtration of fluid medium |
| 07/02/1987 | WO1987003823A1 Device for filtration of fluid medium |
| 07/02/1987 | WO1987003822A1 Periodical action device for filtration of liquid |
| 07/02/1987 | WO1987003821A1 Device for filtration of fluid medium |
| 07/02/1987 | WO1987003820A1 Machine and method for assembling pleated filter material and a hollow core member |
| 07/02/1987 | WO1987003819A1 An apparatus and method for wrapping an external tape support about a filter element assembly |
| 07/01/1987 | EP0227084A1 Filter press |
| 07/01/1987 | EP0226788A1 Element with a permeable side |
| 07/01/1987 | EP0226659A1 Filter press |
| 06/30/1987 | US4676903 Screening apparatus |
| 06/30/1987 | US4676810 Revolving separator |
| 06/24/1987 | EP0226478A1 Filter for liquids containing solid particles, and filter apparatus containing said filter |
| 06/24/1987 | EP0144360B1 Cartridge filters and filtering installation |
| 06/23/1987 | US4675065 By laser-molten fusible material |
| 06/23/1987 | US4674251 Improved screen component for use in modular screening decks |
| 06/23/1987 | CA1223217A1 Filter bag with integral agitator |
| 06/19/1987 | DE3544404A1 Filter for precipitating solid particles of gaseous or liquid media |
| 06/18/1987 | WO1987003505A1 Process for eliminating solid particles of pollutants from cooling water for power stations and similar |
| 06/16/1987 | US4673503 Variant length pleated filter element |
| 06/16/1987 | US4673502 Fixed filter drum and movable scraper |
| 06/16/1987 | US4673501 Bottle top filter |
| 06/16/1987 | US4673500 Sand separation and removal method and apparatus |
| 06/16/1987 | US4673498 Automatic backwashing filter |
| 06/16/1987 | US4673493 Apparatus for supplying filtered liquid |
| 06/16/1987 | EP0225828A2 Hermetically sealed filter for a transmission |
| 06/16/1987 | EP0225401A1 Process for separating solid dirt particles from the cooling water of power stations and the like |
| 06/10/1987 | EP0225017A1 Filter Apparatus |
| 06/10/1987 | EP0224538A1 Membrane filtration for analysis. |
| 06/04/1987 | DE3640854A1 Apparatus and process for filtering liquids with minimal product-water mixing and minimal filtration losses |
| 06/03/1987 | EP0224110A2 Bottle top filter |
| 06/03/1987 | EP0224000A1 Filtration device, in particular of the Nutsche type |
| 06/02/1987 | US4670205 Method of forming a mask |
| 06/02/1987 | US4670143 Horizontal drum filter having a drive wheel and interfitting tube sections |
| 06/02/1987 | US4669167 Method of removing filter bag |
| 05/27/1987 | EP0223569A2 Filtering system |
| 05/27/1987 | EP0223323A1 Improved filter assembly |
| 05/27/1987 | EP0222752A1 Mechanically raked bar screen with conveyor system having elastomeric rakes |
| 05/26/1987 | US4668394 Blood filtration |
| 05/26/1987 | US4668393 Spiral channel to collect pollutants, such as water |
| 05/21/1987 | WO1987002908A1 Filter press for separating liquids from sludge to obtain a high solid content |
| 05/21/1987 | DE3539419A1 Filter apparatus |
| 05/20/1987 | EP0222495A2 Liquid treatment |
| 05/20/1987 | EP0221991A1 A device for collecting and discharging solid particles carried by flowing water. |
| 05/19/1987 | US4666602 Manure separator |
| 05/19/1987 | US4666600 Gravity operated |
| 05/19/1987 | US4666597 Fuel treatment apparatus |
| 05/19/1987 | US4666594 Open cellular pump filter element for homogenization of air-oil mixtures |
| 05/19/1987 | US4666592 Self-cleaning filter, particularly for feed waters in industrial plants |
| 05/12/1987 | US4664814 Controlling size of material filtered |
| 05/12/1987 | US4664813 Pollution control |
| 05/12/1987 | US4664812 Liquid filtration apparatus and process |
| 05/12/1987 | US4664800 For using with intravenous drip chambers |
| 05/12/1987 | US4664798 Contaminated fluids; mobile unit |
| 05/07/1987 | WO1987002596A1 Device for filtering molten metals |
| 05/06/1987 | EP0220749A2 Method for enhancing the flux rate of cross-flow filtration systems |
| 05/06/1987 | EP0220324A1 Polymer filtering apparatus |
| 05/05/1987 | US4663041 Fluoropolymer |
| 05/05/1987 | US4663030 For papermaking stock |
| 05/05/1987 | CA1221316A1 Backwashing-type filtering apparatus |
| 04/30/1987 | DE3631968A1 Device for a rotary drive for filter sieves in horizontal sieve filters |
| 04/30/1987 | DE3542449C1 Apparatus and method for filtering liquids |
| 04/29/1987 | CN86107248A Filtration apparatus |
| 04/28/1987 | US4661253 Solid waste separator |
| 04/28/1987 | US4661251 Continuous loop filter sheets; solids from liquids |
| 04/28/1987 | US4661250 Mutiple-disc filter |
| 04/28/1987 | US4661249 Prefilter device for polymeric material |
| 04/28/1987 | US4660779 Multilayer precision wound filter cartridge |
| 04/28/1987 | EP0160014A4 Cleaning of filters. |
| 04/28/1987 | CA1221037A1 Separation process |
| 04/28/1987 | CA1221036A1 Apparatus for cleaning filters in pressurized fluid flow systems |
| 04/23/1987 | WO1987002265A1 Molecular differentiation filter |
| 04/23/1987 | DE3537138A1 Process and apparatus for cleaning a filter bag |
| 04/22/1987 | EP0218659A1 Device for mounting parallel planar series of filtration sleeves for water purification |
| 04/21/1987 | US4659468 Filtering interstices |
| 04/21/1987 | US4659323 Method for making axial-flow filters and apparatus therefor |
| 04/21/1987 | CA1220728A1 Apparatus for concentrating a suspension |
| 04/15/1987 | EP0218475A2 Improved bar screening apparatus |
| 04/15/1987 | EP0218034A1 Purification of filter plates |
| 04/14/1987 | US4657673 Dual filtering system for swimming pools |
| 04/14/1987 | US4657671 Centrifugal force magnetic capturing unit |
| 04/14/1987 | US4657636 High density pulp screening apparatus |
| 04/14/1987 | US4657079 Screen |
| 04/14/1987 | CA1220432A2 Filtering apparatus |
| 04/09/1987 | WO1987001956A1 Apparatus for, and methods of, operating upon a fluid |
| 04/08/1987 | EP0217568A2 Liquid treatment apparatus |