| 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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| 08/04/1988 | DE3702156A1 Filter apparatus for filtering contaminated liquids |
| 08/03/1988 | EP0276795A2 Filtering device for polluted liquids |
| 08/03/1988 | EP0276352A1 Apparatus and method for filtration and concentration of suspension |
| 08/03/1988 | EP0276253A1 Pulse jet fabric filter. |
| 08/02/1988 | US4761226 Chain and flight conveyor to remove contaminated filter |
| 08/02/1988 | CA1239880A1 Pleated filter and method and apparatus for fabricating same |
| 07/29/1988 | EP0269628A4 Electrode-drain structures for dewatering of suspensions. |
| 07/28/1988 | WO1988005335A2 Filtering apparatus for contaminated fluids |
| 07/28/1988 | WO1988005334A1 Methods and apparatus for liquid filtration |
| 07/28/1988 | DE3736657A1 Process for dewatering sewage sludge and plant for carrying out the process |
| 07/28/1988 | DE3700999A1 Suction filter for a liquid medium |
| 07/27/1988 | EP0275967A2 Method and apparatus for separating knots |
| 07/27/1988 | EP0275462A2 Method for filtering a molten plastic, and filter apparatus for an extruding installation |
| 07/27/1988 | CN88100640A Improvements relating to filters |
| 07/26/1988 | US4759892 Positioning protrusion member against honeycomb surface simultaneously vibrating and rotating until protrusions engage selected openings of honeycomb surface |
| 07/26/1988 | US4759858 Process and apparatus for the formation of a filter cake |
| 07/26/1988 | US4759848 Passing liqud through filter, subcooling the filter, withdrawing the filtered liquid |
| 07/26/1988 | US4759845 Plural filter apparatus with filtration gasket |
| 07/26/1988 | US4759842 In-line fuel filtering device |
| 07/26/1988 | US4759835 Increasing pressure within electrode to expand outwardly membrane wall to seperate cake from wall, removal without scraping the surface of membrane |
| 07/21/1988 | DE3700694C1 Filter element for a tangential flow filter apparatus |
| 07/21/1988 | DE3642898A1 Filter insert |
| 07/20/1988 | EP0275216A1 Improvements relating to filters |
| 07/20/1988 | EP0274690A1 Method and apparatus for thickening fiber suspension |
| 07/19/1988 | CA1239329A1 Flow control valve |
| 07/14/1988 | WO1988004951A1 Filter apparatus and method |
| 07/14/1988 | DE3641031A1 Washing pressure filter |
| 07/13/1988 | EP0274113A1 Mobile installation for water filtration |
| 07/12/1988 | USRE32711 Arterial blood filter with improved gas venting |
| 07/12/1988 | US4756826 Tank filtration system |
| 07/12/1988 | CA1239098A1 Filter incorporating multiple chambers for receiving the filtered fluid and another fluid issuing from the residue of the main filtration |
| 07/05/1988 | US4755290 Apparatus for continuously filtering plastic melt with noninterruptive purge |
| 07/05/1988 | US4754807 Sand screen for production oil wells |
| 07/05/1988 | CA1238863A1 Deep bed filter |
| 07/05/1988 | CA1238862A1 Edible oil cleaner |
| 06/30/1988 | DE3718068C1 Rod-shaped gauze filter for installation in the flow path of a fuel supply |
| 06/30/1988 | DE3643670A1 Disc filter, in particular for the hydraulics in mining |
| 06/29/1988 | CN87107046A Separation of wort from mash |
| 06/28/1988 | US4753737 Recovery method for settled black liquor |
| 06/28/1988 | US4753731 Removal of dirt from irrigation water |
| 06/28/1988 | CA1238604A1 Rotary pulp screen of the vertical pressure type having pulp stock feed at different axial positions on the screen |
| 06/22/1988 | EP0271985A1 Apparatus for separating and drying fine particles |
| 06/21/1988 | US4752516 Apparatus for high speed manifolding of honeycomb structures |
| 06/21/1988 | US4752403 Water recovery device |
| 06/21/1988 | US4752402 Settling pond separation using permeable fabric and weighting |
| 06/21/1988 | US4752396 Multi-strand wound filter with variant cross sectional density |
| 06/21/1988 | US4752394 Bore screen |
| 06/21/1988 | US4752386 Filter apparatus having filter elements shiftable between filtering and backwashing positions |
| 06/21/1988 | US4751901 Composite oil filter |
| 06/16/1988 | WO1988004194A1 Method of manufacturing molded and formed filters |
| 06/16/1988 | DE3641658A1 Vacuum belt filter |
| 06/14/1988 | US4751007 Using ceramic filter with inner layer of smooth spherical particles |
| 06/14/1988 | US4751006 Coolant reclamation unit |
| 06/14/1988 | US4751000 Multiple-disc type filters |
| 06/14/1988 | US4750557 Well screen |
| 06/09/1988 | DE3640740A1 Continuous tubular filter |
| 06/08/1988 | EP0270501A2 A device for the separation of particulated solids from a pressurized fluid |
| 06/08/1988 | EP0270051A2 Method of assembly of a unit of ceramic separating elements, and unit obtained by this method |
| 06/08/1988 | EP0269895A2 Liquid-filter, in particular for fuels |
| 06/08/1988 | EP0269813A1 Apparatus for dehydrating aqueous sludges by way of pressure |
| 06/08/1988 | EP0269628A1 Electrode-drain structures for dewatering of suspensions |
| 06/07/1988 | US4749485 Increased capacity, uniform flow |
| 06/07/1988 | US4749479 Forcing slurry through polypropylene fabric |
| 06/07/1988 | US4749477 Portable swimming pool filter |
| 06/07/1988 | US4749475 Two stage rotary pulp screening device |
| 06/07/1988 | US4749474 Screening apparatus |
| 06/07/1988 | CA1237678A1 Filter element and its production |
| 06/02/1988 | WO1988003833A1 Process for the production of filters, and a filter produced by the process |
| 06/02/1988 | WO1988003829A1 Arrangement in membrane filter |
| 06/01/1988 | EP0269054A2 Filter arrangement for the purification of fluids, in particular lubricating oils of combustion engines |
| 06/01/1988 | EP0268847A1 Filter, especially a coffee filter, and method of making the same |
| 06/01/1988 | EP0268761A2 Liquid filter, especially for motor fuels |
| 06/01/1988 | EP0268752A1 Apparatus for the mechanical purification of liquids |
| 06/01/1988 | DE3640504A1 Filter apparatus |
| 05/25/1988 | CN86107787A Process for separating the catalyst particles from the charge in the catalytic cracking |
| 05/24/1988 | US4746441 Method of purifying brine for electrolytic chemical production |
| 05/24/1988 | US4746432 Lubricant filter for internal combustion engine |
| 05/24/1988 | US4746431 Device for the collection of water in a granular material bed filter |
| 05/24/1988 | US4746427 Oil filter for transmission |
| 05/24/1988 | US4746105 For use in a fluid treatment apparatus |
| 05/19/1988 | DE3638408A1 Process for separating interfering materials and reusable accepted stocks, in particular usable fibres, from liquids containing added solids, and apparatus for carrying out the process |
| 05/19/1988 | DE3638371A1 Process for separating solids contained in a liquid, in particular solids contained in waste waters, and an apparatus for carrying out the process |
| 05/19/1988 | DE3249687C2 Apparatus and process for separating off and drying solid substances from liquids |
| 05/18/1988 | EP0267866A2 Multiple-disc filter |
| 05/18/1988 | EP0267783A2 Filter device |
| 05/18/1988 | EP0267636A1 Device to carry out sedimentation and collection of sludges |
| 05/17/1988 | US4744902 For air cleaner in automobiles |
| 05/17/1988 | US4744901 Multiple disc type filter and disc construction useful therein |
| 05/17/1988 | US4744896 Filter apparatus for water wells |
| 05/17/1988 | US4744894 Fibrous stock screening apparatus |
| 05/11/1988 | EP0267149A1 Process for cleaning a rotary sieve, and a rotary sieve |
| 05/11/1988 | EP0267014A2 Liquid separators |
| 05/11/1988 | DE3637325A1 Lubricating oil filter for an internal combustion engine |
| 05/10/1988 | US4743370 Filter for fuel tank |
| 05/10/1988 | US4743369 Tubular flexible bag extending into header tank of radiator |
| 05/10/1988 | US4742872 Helically wrapped wire screen assembly and fitting therefor |
| 05/05/1988 | WO1988003048A1 Process and installation for dewatering waste water sludge |
| 05/05/1988 | WO1988002656A3 Filter for hot melt adhesive |
| 05/05/1988 | DE3637168C1 Full filter pipe for drainage purposes |
| 05/03/1988 | US4741841 Method and apparatus for particle separation |