| Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726) |
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| 02/16/1994 | EP0582822A1 Integrity test for membranes |
| 02/15/1994 | US5286810 Polyaspartic acid salts from hydrolysis of polysuccinimides |
| 02/09/1994 | EP0582393A1 Ceramic membrane removal tool |
| 02/08/1994 | US5284424 Osmotic water purification pumping system with flush valve |
| 02/03/1994 | WO1994002187A1 Centrifugal blood pump |
| 02/03/1994 | CA2140765A1 Centrifugal blood pump |
| 02/01/1994 | US5282966 Package for permeation separation device |
| 02/01/1994 | US5282380 Integrity test for membranes |
| 01/30/1994 | CA2100647A1 Multi-element housing |
| 01/29/1994 | CA2080939A1 Fluid treatment process using dynamic microfiltration and ultrafiltration |
| 01/25/1994 | US5281430 Osmotic concentration apparatus and method for direct osmotic concentration of fruit juices |
| 01/20/1994 | WO1994001209A1 Membrane |
| 01/20/1994 | WO1994001193A1 Automated system and method for processing biological fluid |
| 01/20/1994 | CA2140141A1 Automated system and method for processing biological fluid |
| 01/20/1994 | CA2139634A1 Membrane |
| 01/18/1994 | US5279735 Hemodialysis membrane cartridge; aqueous percarboxylic acid and azo dye solution |
| 01/18/1994 | US5279732 Fluid conditioning device |
| 01/12/1994 | EP0577983A2 Method for forming PTFE membrane/gasket assembly |
| 01/11/1994 | US5277820 Device and method for extracorporeal blood treatment |
| 01/11/1994 | US5277819 Cold draft beer filter membrane cleaning process |
| 01/11/1994 | US5277806 Liquid clarifier |
| 01/11/1994 | CA2093740A1 Method for forming ptfe membrane/gasket assembly |
| 01/05/1994 | EP0576677A1 Apparatus for exchanging substances |
| 01/04/1994 | US5275738 Filter device for acids and process for filtering inorganic acids |
| 01/04/1994 | US5275725 Flat separation membrane leaf and rotary separation apparatus containing flat membranes |
| 12/29/1993 | EP0576157A2 In situ cleanable electrically conducting filter |
| 12/28/1993 | CA1325604C Mixing apparatus and method |
| 12/23/1993 | WO1993016778A3 Hollow fiber filter cleaning system and more particularly to the control of emissions from solvent cleaning equipment |
| 12/22/1993 | EP0570384A4 Back flushable filtration device and method of forming and using same |
| 12/21/1993 | US5272733 Control rod driving system |
| 12/21/1993 | US5271830 Water treatment installation for a tangential filtration loop |
| 12/21/1993 | US5271743 Percutaneous oxygenator for insertion into a blood vessel |
| 12/15/1993 | EP0422137B1 Spiral filter |
| 12/09/1993 | WO1993024419A1 Process for producing and processing wash water in a washing installation, and washing installation |
| 12/09/1993 | WO1993024212A1 Conditioning process and device for producing pure water |
| 12/09/1993 | WO1993024211A1 Process for separating solid particulates from a nonaqueous suspension |
| 12/09/1993 | WO1993024210A1 Cassette membrane system and method of use for low pressure separations |
| 12/09/1993 | DE4218115A1 Verfahren sowie Aufbereitungsvorrichtung zur Reinwasserherstellung Method and apparatus for producing pure water treatment |
| 12/09/1993 | DE4218114A1 Verfahren zur Herstellung und Bereitstellung von Waschwasser für eine Waschanlage sowie Waschanlage Process for the preparation and provision of washing water for a car wash and car wash |
| 12/09/1993 | CA2137256A1 Process for producing and processing wash water in a washing installation, and washing facility |
| 12/09/1993 | CA2134238A1 Cassette membrane system and method of use for low pressure separations |
| 12/08/1993 | EP0573310A1 Improved polyurethane compositions |
| 12/07/1993 | US5268144 Method for sterilizing a medical unit |
| 11/30/1993 | CA1324766C Reverse osmosis apparatus |
| 11/25/1993 | WO1993023152A1 Hollow fiber filter cartridge and method of manufacture |
| 11/25/1993 | CA2135672A1 Hollow fiber filter cartridge and method of manufacture |
| 11/24/1993 | EP0570384A1 Back flushable filtration device and method of forming and using same. |
| 11/24/1993 | CN1078661A Integrity-testable wet-dry-reversible ultrafiltration membranes and method for testing same |
| 11/23/1993 | US5264171 Method of making spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles |
| 11/23/1993 | US5263924 Integrated low priming volume centrifugal pump and membrane oxygenator |
| 11/18/1993 | DE4215585A1 Simultaneous checking of membrane insert integrity - comprises using partially soluble gas introduced below bubble point pressure and detecting subsequent bubble formation within insert without removal from installation |
| 11/16/1993 | US5262053 Pumping beverages through filters and adding stabilizers |
| 11/10/1993 | EP0569319A2 System to optimize the transfer of gas through membranes |
| 11/04/1993 | DE4214287A1 Plastic or steel plug system for pipes in membrane filtration - has four components for feed flow, closure, outlet flow and filtrate respectively and presents maximum cross=section of flow |
| 11/02/1993 | US5258122 Superimposed unit of distribution plate, filter, drain, microfiltration and ultrafiltration |
| 11/02/1993 | CA1323845C Membrane filtration apparatus and method of making a membrane filtration unit |
| 10/26/1993 | US5256303 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems |
| 10/20/1993 | EP0566514A1 Process and apparatus for cleaning a device for separating silicon compounds, present in a hydrochloric steel pickling bath |
| 10/20/1993 | EP0566414A1 Cross-flow filter device with pressure-balancing feature |
| 10/20/1993 | EP0566165A1 Danse star polymers for calibrating/characterizing sub-micron apertures |
| 10/19/1993 | US5254259 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices |
| 10/19/1993 | US5254250 Rotary filtration device and filter pack therefor |
| 10/19/1993 | US5254248 Blood plasma separating apparatus |
| 10/19/1993 | US5254242 Filtration unit having means for preventing reuse of filter |
| 10/19/1993 | US5253514 Water-borne particulate-measuring apparatus |
| 10/19/1993 | CA1323312C Fluid flow apparatus control and monitoring |
| 10/12/1993 | US5252218 Process for separating solid particulates from a nonaqueous suspension |
| 10/12/1993 | US5251978 Driving device for a vortex mixing apparatus |
| 10/12/1993 | CA1323127C Solutions of fluoropolymers, and their use |
| 10/07/1993 | DE4210531A1 Process and assembly to clean reverse osmosis membrane block - enhancing cleaning efficiency and reducing time required |
| 10/06/1993 | EP0564053A2 Blood cleaning method |
| 10/06/1993 | EP0563646A1 Cross-flow filtration device with submerged circulation pump |
| 10/05/1993 | US5250118 Method of removing foulants and restoring production of spinal-wound reverse osmosis cartridges |
| 09/29/1993 | EP0562321A1 Oil separator with integrated micro-filtration device |
| 09/29/1993 | CN2142835Y Reinforced disinfecting and scale-proofing infiltration promtor for film-type water treating |
| 09/28/1993 | US5248424 Frameless array of hollow fiber membranes and method of maintaining clean fiber surfaces while filtering a substrate to withdraw a permeate |
| 09/28/1993 | US5247727 Ceramic membrane removal tool |
| 09/26/1993 | CA2092368A1 Process for cleaning a facility for separating silicon components in a bath for hydrochloric pickling of steel products; the device for said process |
| 09/15/1993 | EP0560281A1 Dynamic filter separator |
| 09/14/1993 | US5244585 Method of cleaning porous ceramic filters |
| 09/14/1993 | US5244579 Transportable reverse osmosis water purification unit |
| 09/10/1993 | CA2091296A1 Brine recycling method and an apparatus therefor |
| 09/09/1993 | DE4206605A1 Pivot grip for circular objects esp. clinical vessels of different dia. - facilitate one-handed changes requiring no adjustments |
| 09/07/1993 | CA1321952C Vacuum suction type anti-clogging and dialysis device for filtration systems |
| 09/02/1993 | WO1993016778A2 Hollow fiber filter cleaning system and more particularly to the control of emissions from solvent cleaning equipment |
| 09/02/1993 | DE4205826A1 Back flushing process for reverse osmotic desalination units - using water previously purified by the unit |
| 08/31/1993 | US5240612 Adjusting flow rate but not driving pressure of circulating medium |
| 08/31/1993 | US5240605 Spiral filter |
| 08/24/1993 | US5238563 Multi-element housing |
| 08/24/1993 | US5238561 Hollow fiber mass transfer apparatus |
| 08/19/1993 | WO1993015825A1 Device and method for extracorporeal blood treatment |
| 08/19/1993 | DE4204561A1 Filter element for dialysis machine - consists of activated carbon@ particles subjected to periodic changes of pressure to change position of particles relative to each other |
| 08/18/1993 | EP0555621A1 Pump arrangement |
| 08/11/1993 | EP0554567A1 Spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing baffles |
| 08/10/1993 | US5234605 Filter backwashing system using moveable member responsive to closing of filter outlet |
| 08/10/1993 | US5234583 Semi-permeable membrane filtering systems for swimming pools |
| 08/04/1993 | EP0553488A1 Spiral-wound hollow fiber membrane fabric cartridges and modules having integral turbulence promoters |
| 07/27/1993 | US5230804 Process for separating catalysts from suspensions by filtration |
| 07/27/1993 | CA1320684C Ultrafiltration apparatus |
| 07/22/1993 | WO1993013852A1 Priming system |