| Patents for B01D 37 - Processes of filtration (4,716) |
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| 05/04/1999 | CA2013970C Treatment of alcoholic beverages |
| 04/27/1999 | US5897788 Method and apparatus for cleaning a filter drum used for thickening lime mud |
| 04/27/1999 | US5897770 Center core cartridge feeder insert |
| 04/27/1999 | CA2084872C Filter and method for cleaning engine cooling system |
| 04/20/1999 | CA2135042C Process for the preparation of diatomaceous filtration agents having a very low cristobalite content, by agglomeration with silicated or silicic binders, and corresponding filtration agents |
| 04/08/1999 | WO1999016531A1 Regeneration of filter media |
| 04/07/1999 | EP0662857B1 Systems and methods for reducing leukocytes in cellular products |
| 04/07/1999 | CN1213326A Filtration of plasma mixtures using cellulose-based filter aids |
| 03/24/1999 | CN1211463A Method for making mixed filter aid with light-wt. shale |
| 03/17/1999 | EP0604590B1 Gas plasma treated porous medium and method of separation using same |
| 03/16/1999 | US5882528 Method for extending useful life of filter aid in a filter with hydraulically deformable system |
| 03/16/1999 | US5882527 Method of accelerating the dissolution rate of accumulated filter cake by channeling gas bubbles through the cake |
| 03/03/1999 | EP0692994B1 Method and apparatus for cleaning a filter drum used for thickening lime mud |
| 03/02/1999 | US5878374 Computer-controlled electromechanical device for determining filtration parameters of a filter aid |
| 02/25/1999 | WO1999008768A1 Filtration method and device for liquid purification |
| 02/24/1999 | CN1208950A Point of use dilution tool and method |
| 02/18/1999 | DE19751180C1 Control and supervision of filtration process |
| 02/16/1999 | US5871641 Fluid filter with pleated septum |
| 02/10/1999 | EP0757584B1 Method for recovering fiber |
| 02/02/1999 | CA2119924C Filter carrier |
| 01/28/1999 | DE19818491A1 Ultra filtration of coolant for grinders |
| 01/27/1999 | CN1205908A Preparation of cellulose powder filter aid |
| 01/21/1999 | WO1999002239A1 Method and apparatus for treating water |
| 01/20/1999 | EP0891800A1 Coolant filter having a delayed release supplemental coolant additive cartridge |
| 01/18/1999 | CA2239442A1 Coolant filter having a delayed release supplemental coolant additive cartridge |
| 12/30/1998 | EP0887098A2 Gas plasma treated porous medium and method of separation using same |
| 12/23/1998 | EP0885046A1 Filtration of plasma mixtures using cellulose-based filter aids |
| 12/16/1998 | EP0883576A1 Particle dewatering device |
| 12/09/1998 | EP0882465A2 Method and apparatus for obtaining a platelet suspension with reduced leukocytes |
| 12/09/1998 | EP0882464A2 Method and apparatus for obtaining a platelet suspension with reduced leukocytes |
| 11/25/1998 | EP0879629A1 Regenerable filtration aid, process for producing the same, and use thereof |
| 11/19/1998 | DE19743466C1 Swimming pool water filter has gas collection chamber and controls |
| 11/11/1998 | EP0876187A1 A device for measuring gas pressure |
| 11/11/1998 | CN1198685A Advanced particulate media for precise separation of particles suspended in fluids |
| 11/03/1998 | US5830366 Method and apparatus for filtering water on vessel and macerating retained solids |
| 10/28/1998 | EP0641293B1 Dewatering of aqueous suspensions |
| 10/22/1998 | WO1998046337A1 Method and installation for tangential filtration of a viscous liquid |
| 10/21/1998 | EP0808206B1 Process and device for cost-oriented operation of a conditioning device, particularly a filter |
| 10/21/1998 | EP0808205B1 Cost-oriented control of a regenerable filter |
| 10/13/1998 | US5819430 Bead dewatering apparatus and method |
| 10/06/1998 | US5817237 Process for simultaneously removing leukocytes and methylene blue from plasma |
| 10/01/1998 | WO1998042425A1 Filter life measurement |
| 10/01/1998 | CA2284564A1 Filter life measurement |
| 09/30/1998 | EP0789611B1 Multiple tube filter device for filtering beer |
| 09/29/1998 | US5814230 Apparatus and method for separation of solids from liquid |
| 09/17/1998 | WO1998040148A1 Method of cleaning liquid cooling lubricants |
| 09/16/1998 | EP0666771A4 Systems and methods for collecting blood components. |
| 09/09/1998 | EP0813442A4 Method for enriching rare cell population |
| 09/09/1998 | EP0641292B1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 09/08/1998 | US5803024 Coolant filter having a delayed release supplemental coolant additive cartridge |
| 09/02/1998 | EP0762920A4 Bypass filtering |
| 09/01/1998 | US5801051 Method and apparatus for cleaning a filter aid |
| 08/18/1998 | US5795484 Coal product |
| 08/12/1998 | CN2287509Y Fluid precision filter capable of program controlling filter material coating |
| 07/29/1998 | EP0854747A1 Advanced particulate media for precise separation of particles suspended in fluids |
| 07/16/1998 | WO1998030076A1 Humic concentrate and process for its production, equipment for the electrochemical production of the humic concentrate, water purification process, process for the dehydration of viscous-flow fluids, process for the detoxification of organic compounds, process for the utilization of wastewater sediments, process for the fo |
| 07/01/1998 | CN1186153A Filter for reproducing machine oil of IC engine and chemicals therefor |
| 06/30/1998 | US5772900 Filter and filtration of fluids with abrasive grains, cutting chips and circulation of fluids for purification |
| 06/30/1998 | US5772873 Slow release coolant filter |
| 06/30/1998 | US5772867 Fluid filtering machine with filtering membrane controlled by PLC |
| 06/25/1998 | DE19652500A1 Beverages filter comprising vertical vessel with common shaft and filter elements supported upon it |
| 06/24/1998 | CN1185754A Fibtrution adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants |
| 06/23/1998 | US5770092 Apparatus and method for purifying water |
| 06/23/1998 | US5770056 Sewage dewatering equipment |
| 06/18/1998 | DE19652499A1 Drinks industry filter regeneration process discharges filter agent to washing tank |
| 06/16/1998 | US5766449 Fuel filter assembly |
| 06/10/1998 | DE19650185A1 Interchangeable casing for oil filters or air dryers |
| 06/02/1998 | US5759397 Filter with spray cake removal means |
| 05/26/1998 | USRE35804 Filtration system attached to a first container that formspart of blood collection system |
| 05/19/1998 | US5753116 Coolant filter |
| 05/19/1998 | US5753080 Method and arrangement for recovering fiber using disc filtration |
| 05/14/1998 | DE19643540A1 Coolant lubricant particle-floatation primary filter cartridges stand immediately upon sludge vessel |
| 05/12/1998 | US5750038 Method for the preparation of acid-resistant calcium silicate |
| 04/09/1998 | WO1998014264A1 Water purifier |
| 04/01/1998 | EP0833050A1 Fuel filter system |
| 04/01/1998 | EP0832108A1 Process for recovering water-insoluble compounds from a fermentation broth |
| 04/01/1998 | EP0831960A1 Filtration adjuvants, filtration supports, filtration process using them and process for regenerating said adjuvants |
| 03/31/1998 | US5733441 Pre-wet system for a filter |
| 03/18/1998 | CN1176633A Electrocoalescent system for decontaminating water streams |
| 03/17/1998 | US5728303 Electro-coalescence/magnetic separation (ECMS) system and components for removal of contaminants from water streams, including desalinization |
| 03/10/1998 | US5725766 Sewage dewatering equipment |
| 03/10/1998 | US5725031 Method for introducing PTFE into a spin-on oil filter |
| 03/05/1998 | WO1998008587A1 Apparatus and method for separation of solids from liquid |
| 02/25/1998 | EP0825286A2 Fibrous structure containing immobilized particulate matter and process therefor |
| 02/24/1998 | US5720875 Waste treatment system having means for controlling filtered backwash |
| 02/18/1998 | CN1173826A Cost-oriented control of a regenerable filter |
| 02/17/1998 | US5718258 Releasing additives into engine oil |
| 02/12/1998 | WO1998005853A1 Additive dispensing apparatus |
| 02/12/1998 | WO1998005409A1 An oil filter to introduce anti-wear additives into engine lubricating system |
| 02/12/1998 | WO1998005402A1 Apparatus for liquid purification |
| 02/12/1998 | CA2261148A1 Additive dispensing apparatus |
| 02/11/1998 | EP0822853A1 Shale shaker |
| 01/29/1998 | WO1998003244A1 Bead dewatering apparatus and method |
| 01/28/1998 | EP0820505A1 Improved filter aid for use in alluviation |
| 01/27/1998 | CA2134749C A device for separation of solid particles from a liquid mixture |
| 01/21/1998 | EP0819649A1 Photocatalytic method for treatment of contaminated water |
| 01/21/1998 | EP0819022A1 Process and apparatus for dewatering a suspension |
| 01/21/1998 | EP0675752B1 System and method for processing separate containers of biological fluid |
| 01/21/1998 | EP0670746B1 Oil filter and method of increasing service life of oil filter |
| 01/21/1998 | CN1037067C Method for purifying K-chicarragheenin from chicarra gheenin mixture |