| Patents for B01D 35 - Filtering devices having features not specifically covered by groups , or for applications not specifically covered by groups; Auxiliary devices for filtration; Filter housing constructions (28,776) |
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| 02/09/1989 | DE3720542C1 Apparatus for opening and dismantling used oil and fuel filter cartridges |
| 02/08/1989 | EP0302448A2 Purifying process for solvents and apparatus for carrying out this process |
| 02/08/1989 | CN2032093U Micro resistance purifier with one way door |
| 02/07/1989 | US4802964 Liquid separation process for suspensions by a pulsating electrical current |
| 02/02/1989 | DE3724410A1 Electrically heatable fuel filter |
| 02/01/1989 | CN2031707U Electromagnetic oil filter |
| 01/31/1989 | US4801094 In a shower head |
| 01/31/1989 | CA1249623A1 Self-regulating porous heater device |
| 01/26/1989 | WO1989000448A1 Fluid filter with improved electrode and spacer configuration |
| 01/26/1989 | WO1989000445A1 Electrofilter apparatus and process for preventing filter fouling in crossflow filtration |
| 01/26/1989 | DE3729250A1 Process and apparatus for dewatering a filter cake |
| 01/25/1989 | EP0300154A1 Clamping device for filter elements of stainless steel fiber packages resp. mats |
| 01/24/1989 | US4800253 Multilayer, olefin polymer with metal foil |
| 01/24/1989 | US4800011 Fluid filter with improved electrode and spacer configuration |
| 01/19/1989 | DE3722562A1 Annular filter body |
| 01/18/1989 | EP0216778B1 Arrangement in removable oil filters |
| 01/18/1989 | CN1030395A Method of and arrangement for purifying contaminated water |
| 01/17/1989 | US4798671 Device for inward suction of liquid |
| 01/17/1989 | CA1248879A1 Filtering unit |
| 01/12/1989 | WO1989000289A1 Filtration unit, in particular for medical specimens |
| 01/12/1989 | WO1989000072A1 Filtrate evacuation system |
| 01/11/1989 | EP0298789A1 Device for the detection of flooding of sludges during dehydration on a filter with filtering bands |
| 01/11/1989 | EP0298513A1 Filter unit, particularly for medical samples |
| 01/04/1989 | CN1030128A Pressure reducer for dissolved acetylene cylinder |
| 01/04/1989 | CN1030024A Parallel filtering circuit |
| 01/04/1989 | CN1030023A New model of filtering chamber with floating filter medium |
| 12/29/1988 | WO1988010239A1 Process and apparatus for producing drinking water |
| 12/29/1988 | DE3827991A1 Oil filter with integrated air cooling |
| 12/29/1988 | DE3819047A1 Plate for filter presses |
| 12/28/1988 | EP0296336A1 Dynamic pressure filter |
| 12/27/1988 | US4794226 Self-regulating porous heater device |
| 12/27/1988 | US4793938 Concurrent reclaiming dry cleaning fluid, unclogging filter |
| 12/27/1988 | US4793928 Polymer filtering apparatus |
| 12/21/1988 | EP0296043A1 Heat-welded or adhesive-bonded unitary construction cartridge for the production of ultrapure water |
| 12/21/1988 | EP0295871A2 Oil reclamation device |
| 12/21/1988 | EP0295335A2 Parallel filtering circuit |
| 12/20/1988 | US4792651 Pressure differential bypass sensor switch with magnetic thermal lockout |
| 12/20/1988 | US4792398 Disposable liquid filter |
| 12/14/1988 | EP0295149A2 Filtering device |
| 12/14/1988 | EP0294837A2 Adapter and cartridge assembly |
| 12/13/1988 | US4790942 Filtration method and apparatus |
| 12/13/1988 | US4790938 Filter for removing particulate matter from fluid within a movable body |
| 12/13/1988 | US4790933 Dynamic filtration unit and process of use |
| 12/08/1988 | DE3717635A1 Process for separating an oil/water emulsion by freezing out the aqueous phase |
| 12/07/1988 | EP0294185A2 Filtering device |
| 12/06/1988 | US4789474 Elongated cloth pockets around rigid plates; arranged vertically in vat |
| 12/06/1988 | CA1246051A1 Cooling and filtering unit for hydraulic drive fluid |
| 12/01/1988 | WO1988009308A1 Method of and arrangement for purifying contaminated water |
| 11/30/1988 | CN88211130U Sundries collecting device from waste water |
| 11/29/1988 | US4787154 Suction filter-drier |
| 11/24/1988 | DE3715346A1 Steam pressure filtration |
| 11/23/1988 | CN88102560A Dynamic filter apparatus and method |
| 11/22/1988 | US4786420 Purifying the water supply in a household |
| 11/22/1988 | US4786409 With three-way plug valves; pressure or vacuum operable |
| 11/22/1988 | US4786408 Draining precoat liquid prior to feeding liquid |
| 11/17/1988 | EP0290609A1 Fluid magnetizer |
| 11/15/1988 | US4784758 Process for removing magnetic particles from a suspension of solids in a liquid |
| 11/15/1988 | US4784751 Method and apparatus for reclaiming contaminated oil |
| 11/10/1988 | DE3714200A1 Arrangement having a filter and an electrolytic sterilisation device for drinking water treatment |
| 11/09/1988 | EP0290360A1 Filtration process for the separation of inclusions from molten metal |
| 11/08/1988 | US4783271 Temperature responsive bypass filter assembly |
| 11/08/1988 | US4783266 Filter for removing particles from a fluid, and method therefore |
| 11/08/1988 | US4783260 Folded overlapping net forms flat bag; automobiles |
| 11/08/1988 | US4783259 Helical coil filter element |
| 11/08/1988 | US4783256 Adapter assembly for filter arrangement |
| 11/08/1988 | US4782891 Corrosion inhibiting coolant filter |
| 11/03/1988 | WO1988008475A1 Universally-adaptable pool water filter structures |
| 11/03/1988 | WO1988008324A1 Quick-change filter cartridge and head therefor |
| 11/03/1988 | DE3713419A1 Process and apparatus for drying a filter cake in a filter press |
| 11/02/1988 | EP0289444A2 Filter apparatus |
| 11/02/1988 | EP0288817A2 Dynamic filter apparatus and method |
| 11/01/1988 | US4781825 Filter with self-actuating rotating backwash selector |
| 10/27/1988 | DE3713238A1 Washing machine and washing process for the treatment of clean-room clothing in such a machine |
| 10/26/1988 | EP0160643B1 Oil filter assembly having a removable filter member |
| 10/25/1988 | US4780202 Filtering unit using a diaphragm between a pair of opposite grooved backing surfaces |
| 10/25/1988 | US4780197 Chlorination module for cartridge filter unit |
| 10/19/1988 | EP0286714A1 Electroosmotic dewaterer |
| 10/18/1988 | US4778605 Method for removing liquid from a liquid-solids mixture |
| 10/18/1988 | US4778604 Method for reclaiming waste ink |
| 10/18/1988 | US4778584 Liquid filter device |
| 10/12/1988 | CN88105031A Snail type oil-filtering unit |
| 10/11/1988 | US4776962 Cleaning fibrous filter mass by expansion and compaction during backwashing |
| 10/11/1988 | US4776956 Combination water filter and container apparatus |
| 10/11/1988 | CA1242977A1 Reverse osmosis hand pump |
| 10/05/1988 | EP0285416A1 Fuel filter assembly with heater |
| 10/05/1988 | CN87205500U 压差传感器 Differential pressure sensor |
| 09/28/1988 | EP0237549A4 Flux diverting flow chamber for high gradient magnetic separation of particles from a liquid medium. |
| 09/27/1988 | US4774008 Filter cakes, conveying |
| 09/27/1988 | US4773997 Leaching impurities into liquid, then ion exchanging; disposable filter cartridge |
| 09/27/1988 | CA1242396A1 Tubular trash net |
| 09/21/1988 | EP0283177A2 Filtering device |
| 09/20/1988 | US4772386 Filter with liquid meter |
| 09/20/1988 | US4772383 High-gradient magnetic separator |
| 09/20/1988 | US4771909 Safety harness for a pressurized container |
| 09/20/1988 | CA1242153A1 Single cartridge filter |
| 09/20/1988 | CA1242152A1 Side-by-side fuel processor apparatus |
| 09/14/1988 | EP0128178B1 A device for the improving of the starting of an engine |
| 09/13/1988 | US4770793 Filter cake |
| 09/13/1988 | US4770772 Vertical rotating drum with retaining filter, heating jacket and outlet; rotatable to inclined or horizontal positions |
| 09/13/1988 | US4770768 Water filter apparatus and aerator assembly |