| Patents for B01D 37 - Processes of filtration (4,716) |
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| 01/07/1993 | WO1993000304A1 Supercritical water oxidation process and apparatus of organics with inorganics |
| 01/07/1993 | WO1993000146A1 Process and device for filtering liquids |
| 01/07/1993 | CA2111847A1 Supercritical water oxidation process and apparatus of organics with inorganics |
| 01/07/1993 | CA2110179A1 Filter system and method for rejuvenating used lubricating oils |
| 12/24/1992 | DE4120041A1 Verwendung ausgewaehlter oleophiler verbindungen mit erhoehter biologischer vertraeglichkeit zur verbesserung der oelbenetzbarkeit feinteiliger feststoffe und deren anwendung als fluid-loss-additive Use of selected oleophilic compounds of finely divided solids with an elevated biological compatibility to increase oil wettability and its application as a fluid loss additive |
| 12/23/1992 | WO1992022622A1 Use of selected oleophilic compounds with increased biological a cceptability to improve the oil-wettability of finely divided solids and their use as fluid-loss additives |
| 12/23/1992 | WO1992022374A1 Control system |
| 12/23/1992 | WO1992022373A1 Monitoring apparatus |
| 12/23/1992 | EP0519148A2 Method and device for the reduction of the liquid content of a filter cake deriving from a plate filter |
| 12/23/1992 | CA2111224A1 Control system |
| 12/01/1992 | US5167840 Systems and methods for clarifying liquids |
| 12/01/1992 | US5167832 Automatic, in filter press |
| 12/01/1992 | US5167821 Method for thickening and dewatering slurry sludge |
| 11/26/1992 | WO1992020430A1 Liquid filtration and incineration |
| 11/26/1992 | DE4210067A1 Hand tool cleaner - has wash basin over collection chamber to pass soiled water to filter trough for cleaning and return to wash basin |
| 11/25/1992 | EP0486588A4 Process and apparatus for recycling food processing water |
| 11/23/1992 | WO1992020427A1 Systems and methods for removing undesired matter from blood cells |
| 11/23/1992 | CA2086514A1 Systems and methods for removing undesired matter from blood cells |
| 11/19/1992 | EP0513843A1 Integrated system for filtering and dispensing fluid |
| 11/14/1992 | WO1992020421A1 Coal dewatering |
| 11/14/1992 | CA2086935A1 Coal dewatering |
| 11/03/1992 | US5160611 Apparatus for aerating water |
| 11/03/1992 | US5160440 Flocculation, filtration |
| 11/03/1992 | US5160041 Coagulation reaction tank |
| 11/03/1992 | CA1309782C Process to improve the removal of suspended solids in leached uranium oreclarification |
| 10/27/1992 | CA1309360C Dewatering slurries |
| 10/21/1992 | EP0509334A2 Method for screening and filtering solid material suspensions with drum or band machines |
| 10/21/1992 | CN1065409A Method and apparatus for thickening particle suspensisons |
| 10/15/1992 | WO1992017264A1 Device and process using a worm conveyor for separating materials, in particular solid or coagulated materials, from liquids and/or for concentrating solutions |
| 10/15/1992 | DE3943505C2 Filter for removal of solid particles from hot gaseous or liq. media |
| 10/13/1992 | US5154828 Removal of alumnum fines, soaps, oxides with acid-permeated fibrous matrix; salt formation |
| 10/06/1992 | CA2065179A1 Procedure for screening and filtration of suspended solids with drum type or travelling band screens |
| 10/01/1992 | WO1992016280A1 Precoat septum with integral particulate filter medium retaining structure |
| 10/01/1992 | DE4208598A1 Automatic addn. of antifoaming agent - used to prevent excessive foaming of machine tool lubricating emulsion in filter system tank |
| 09/30/1992 | EP0506639A1 A method and apparatus for thickening fine particle suspensions |
| 09/30/1992 | CN1018431B Dewatering device of quantitative discharge filter cake |
| 09/23/1992 | CN1064665A Compact apparatus treating sludge by draining and pressing |
| 09/23/1992 | CN1064627A Combined filtration and fixation of heavy metals |
| 09/22/1992 | US5149448 Method and apparatus for thickening lime sludge |
| 09/22/1992 | US5149423 Apparatus for the purification of waste water with swivelling mixing container |
| 09/17/1992 | WO1992015388A1 Combined filtration and fixation of heavy metals |
| 09/16/1992 | EP0503994A1 Compact apparatus for dewatering and squeezing sludges |
| 09/16/1992 | EP0248037B1 Blood serum test strip |
| 09/15/1992 | US5147552 Method of and apparatus for cleaning filters in tangential microfiltration |
| 09/02/1992 | EP0501851A1 Reusable fluid filter having filtering and additive functions |
| 09/01/1992 | US5143602 Apparatus for the separation of solids from fluids or sediments from emulsions |
| 08/27/1992 | DE4105568A1 Filteranordnung fuer fluessigkeiten mit schwebeteilchen Filter arrangement for liquids with suspended particles |
| 08/26/1992 | EP0500232A1 Filter cake scraping method and rotary drum type filter using the same |
| 08/26/1992 | EP0500109A1 Process for operating a filtration plant and filtration plant for carrying out this process |
| 08/25/1992 | US5141638 Reusable sintered metal fiber filters with reservoirs for holding backwashing fluid |
| 08/25/1992 | US5141526 Adding filter aid and filtering |
| 08/18/1992 | US5139685 Compressed glass fibers |
| 08/08/1992 | CA2060082A1 Condensate polishing system incorporating a membrane filter |
| 07/28/1992 | US5133872 Method and apparatus for controlling throughput in a beltpress |
| 07/23/1992 | DE4101168A1 Liq. filter for percussion discharge of solids from multiple candle - using fixed partition plate with spring-loaded candle mountings |
| 07/15/1992 | EP0494334A1 Method for cleaning porous ceramic filters |
| 07/14/1992 | US5130231 Blood plasma test device including a semipermeable membrane made of an expanded hydrophobic material that has been treated with a surfactant |
| 07/14/1992 | US5130029 Flotation method for purification of a liquid from solid and liquid impurities |
| 07/07/1992 | US5128048 Filtration system with two flow paths; separation, conveying, storage |
| 07/07/1992 | US5128038 Filtering layout |
| 07/07/1992 | US5128030 Device for separating solids from suspension |
| 06/30/1992 | US5126052 Condensate polishing system incorporating a membrane filter |
| 06/23/1992 | US5124052 Bypass; prevention blockage of filter |
| 06/23/1992 | US5124035 Apparatus for treatment of effluent |
| 06/16/1992 | US5122281 Filter aid and method for using same for reclaiming oil coolants used for metal working |
| 06/16/1992 | US5122263 Continuously and automatically functioning device for the drainage of sludge, especially of sewage sludge |
| 06/03/1992 | EP0488988A1 Process for purifying aqueous solutions of N-methyl-morpholine N-oxide |
| 06/03/1992 | EP0487643A1 Precoat septum with a continuous filament yarn. |
| 05/27/1992 | EP0486588A1 Process and apparatus for recycling food processing water |
| 05/14/1992 | DE4111706A1 Purificn. of industrial effluent waters, etc. - by passing water through treatment stages in plant after clear micro filtration of aq. suspension |
| 05/12/1992 | US5112481 Filter system having multiple filter elements and backflushing assemblies |
| 04/21/1992 | US5106510 Combined filtration and fixation of heavy metals |
| 04/14/1992 | US5104553 Apparatus for filtering a reagent |
| 04/07/1992 | US5102539 Method of producing a membrane and a membrane for microfiltration, ultrafiltration, pervaporation or reverse osmosis of suspensions, emulsions and for gas separation |
| 04/07/1992 | US5102538 Apparatus for the treatment of filter sludge consisting predominantly of diatomite and method of operating same |
| 04/07/1992 | US5102535 Plant to precipitate suspended matter out of water |
| 04/01/1992 | EP0477185A1 Laboratory filtration apparatus |
| 03/25/1992 | EP0311604B1 Method and apparatus for qualitative and/or quantitative analysis of antigens, antibodies, mircroorganisms or other cells |
| 03/24/1992 | US5098584 Method for separating oils from scum |
| 03/24/1992 | US5098583 Wet classification of kaolin, dewatering, filtration by flowing through a filter plate |
| 03/19/1992 | WO1992004283A1 Improved filtration technique |
| 03/19/1992 | WO1992004098A1 Contact lens purification system |
| 03/17/1992 | US5096597 Surfactants in dewatering sodium bicarbonate |
| 03/10/1992 | US5094745 Coolant filter with inhibitor pack |
| 03/10/1992 | CA1296976C Blood serum test strip |
| 03/05/1992 | CA2050534A1 Apparatus for treatment of affluent |
| 03/03/1992 | US5093012 Filtration of particulates through diatomaceous earth and adsorption of organic contaminants by carbon |
| 03/03/1992 | US5093001 Suction filtration with pressurization; blockage prevention efficiency, durability |
| 03/03/1992 | US5092990 Filter device |
| 02/25/1992 | CA1296476C Insoluble vinyl lactam clarifiers |
| 02/25/1992 | CA1296262C Filtering method and apparatus |
| 02/12/1992 | EP0470100A1 Attachment for a separator |
| 02/06/1992 | DE4025063A1 Improved mechanical removal of water from industrial or natural sludge - by addn. of complex hydrophilic and/or hydrophobic inorganic additive |
| 02/05/1992 | EP0470015A1 Process for cleaning in crossflow microfiltration |
| 02/05/1992 | EP0469764A2 Apparatus for grinding nuclear fuel pellets |
| 01/28/1992 | US5084168 System for removing substances from a solution |
| 01/23/1992 | DE4023100A1 Appts. for measuring flocculation of sludge - by feeding sludge and flocculant from containers separately into a mixing chamber used to weigh sludge and flocculant |
| 01/22/1992 | EP0428711A4 Method and apparatus for clarifying liquids |
| 01/21/1992 | US5082558 Compact contact lens purification system using ozone generator |
| 01/08/1992 | EP0464321A1 Automatic system for controlling and optimising of ultrafiltration processes in foodstuffs and/or chemical and/or chemical-pharmaceutical industrial plants and ultrafiltration process utilising such a system |