| 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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| 08/27/1992 | DE4105834A1 Sepg. alcohol from liq. esp. from drink - by pulsed passage through perforated ceramic body opt. carrying zeolite slip |
| 08/19/1992 | EP0499509A1 Improved process and apparatus for filtration in a tangential and unsteady liquid flow |
| 08/18/1992 | US5139675 Dialyzer reprocessing device wherein cleaning fluids are pretreated by injecting electromagnetic radiation having a preselectted frequency through a non-electrically insulated conductor |
| 08/18/1992 | US5139669 Apparatus with hollow fibres |
| 08/12/1992 | EP0498211A1 Manifold and manifold segment for tangential flow filtration apparatus |
| 08/06/1992 | WO1992012787A1 A filtration and/or diffusion device |
| 07/28/1992 | US5133858 Reverse osmosis water purification apparatus |
| 07/23/1992 | WO1992012241A1 A method of preventing the occlusion of a filter, membrane or the like upon separation of contaminants from liquid phase |
| 07/23/1992 | WO1992011923A1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 07/23/1992 | WO1992011921A1 Back flushable filtration device and method of forming and using same |
| 07/22/1992 | CN1017541B Fuel delivery system |
| 07/21/1992 | US5132015 Inducing flow of process fluid through separation modules in a continuous, recirculating loop, modules being submerged in permeate |
| 07/15/1992 | EP0494334A1 Method for cleaning porous ceramic filters |
| 07/07/1992 | US5128037 Spiral wound filtration membrane cartridge |
| 07/07/1992 | US5128035 Fluid flow control device for water treatment systems |
| 07/01/1992 | EP0492250A1 Spiral wound filtration membrane cartridge |
| 06/30/1992 | US5126043 Radial and axial flow filter device |
| 06/30/1992 | US5125937 Reversible membrane plant |
| 06/16/1992 | US5122265 Compact reverse osmosis system with cold water flush |
| 06/09/1992 | US5120445 A transfer surface at which heat or mass transfer may take place, may be a membrane for microfiltration, ultrafiltration or pervaporation |
| 06/09/1992 | CA1302903C Method of regenerating a separation means for a liquid medium containing undissolved constituents and a separation apparatus |
| 06/03/1992 | EP0488063A1 Cellulose dialysis hollow fibres |
| 06/03/1992 | EP0487576A1 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices. |
| 06/03/1992 | EP0447513A4 Filter cartridge manifold |
| 05/27/1992 | DE4037329A1 Treatment of waste water from glass grinding - by passing water in periodical reversing direction across ultrafiltration membrane, recycling permeate and adding concentrate to molten glass |
| 05/26/1992 | US5116308 Apparatus for processing fluid and method of driving the same |
| 05/21/1992 | DE4136551A1 Variable flow direction distributor head for cross flow membrane module - comprises housing contg. tubular, capillary or hollow fibre membrane bundle for fixed pipework multiple module units |
| 05/20/1992 | EP0486190A2 Spiral filtration module with strengthened membrane leaves and method of constructing same |
| 05/20/1992 | EP0485674A1 Spiral filtration module with strengthened membrane leaves and method of constructing same |
| 05/19/1992 | US5114588 Easily replaceable rotor membrane pack |
| 05/19/1992 | US5114582 Filter element and spiral-wound membrane cartridge containing same |
| 05/19/1992 | US5114581 Back-flushable filtration device and method of forming and using same |
| 05/12/1992 | US5112483 Slow sand/nanofiltration water treatment system |
| 05/05/1992 | US5110477 Dialyzer clearance check system |
| 05/05/1992 | US5110468 Fresh water generator |
| 04/29/1992 | EP0482134A1 A method and apparatus for filtering a fluid |
| 04/28/1992 | US5108707 Method and apparatus for reacting and washing multiple sample filters |
| 04/28/1992 | US5108604 Semipermeable membrane cartridge and method of making |
| 04/28/1992 | US5108598 Horizontal motion quick-disconnect filter system with recirculating bypass |
| 04/28/1992 | CA1299497C Apparatus and method for membrane-permeation separations using segmented flow |
| 04/28/1992 | CA1299449C Composite separation membranes and the preparation and use thereof |
| 04/22/1992 | EP0481433A1 Hollow fibre filter module |
| 04/14/1992 | US5104546 Pyrogens separations by ceramic ultrafiltration |
| 04/08/1992 | EP0479492A1 Membrane separation system and methods of operating and cleaning such a system |
| 04/05/1992 | CA2049375A1 Flow control for ultrafiltration systems |
| 04/01/1992 | EP0477966A1 Hollow fiber mass transfer apparatus |
| 03/31/1992 | CA1298069C Separating device comprised of modular components assembled in ceramic base plates |
| 03/19/1992 | DE4105210C1 Cross-flow micro-filter for particle concn. in suspension - is cyclically backflushed to prevent passage of small particles through funnel-shaped pores |
| 03/17/1992 | US5096583 Membrane filters for the ultra or micro filtration of liquids, especially water |
| 03/11/1992 | EP0474365A1 Filter cleaning |
| 03/11/1992 | CA2050991A1 Procedure for cleaning filter |
| 03/10/1992 | US5094743 Fluid purifying apparatus and method of purifying fluids |
| 03/04/1992 | EP0473486A1 Process for controlling the operation modes of an automatic water filtration apparatus having tubular membranes |
| 03/03/1992 | US5092999 Filtering means |
| 02/25/1992 | US5091085 Portable |
| 02/20/1992 | WO1992002293A1 Filtration cleaning system |
| 02/05/1992 | EP0470015A1 Process for cleaning in crossflow microfiltration |
| 01/28/1992 | US5084220 Membrane filtration apparatus and method of making a membrane filtration unit |
| 01/23/1992 | WO1992000797A1 Process for rinsing the filter module of a device for purifying liquids |
| 01/22/1992 | EP0467735A1 Pyrogen separations by ceramic ultrafiltration |
| 01/21/1992 | CA1294731C Copolymeric and amphiphilic polyimide precursor, process for preparing the same and thin film |
| 01/15/1992 | EP0333753B1 Arrangement in membrane filter |
| 01/08/1992 | EP0464707A2 Blood plasma separating apparatus |
| 01/08/1992 | EP0464322A1 Automatic plant for the microfiltration of liquids, in particular of wines |
| 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 |
| 01/07/1992 | US5078876 Apparatus for multistage purification of water |
| 01/02/1992 | EP0215087B1 Cross-flow filtration |
| 12/31/1991 | US5076913 Fluid purifying apparatus and method of purifying fluids |
| 12/24/1991 | US5075003 Blood cleaning hollow fiber membrane method for cleaning blood, and apparatus therefor |
| 12/24/1991 | US5075002 Fluid pick-up assembly |
| 12/17/1991 | CA1293127C Dialysate preparation apparatus |
| 12/10/1991 | US5071548 Fluid purifying apparatus and method of purifying fluids |
| 12/05/1991 | CA2043428A1 Ultrafiltration device and process |
| 12/03/1991 | US5069789 Spacer element for guiding flowing medium |
| 12/03/1991 | US5069785 Fluid purifying apparatus and method of purifying fluids |
| 12/03/1991 | US5069780 Ultrafiltration device and process |
| 12/03/1991 | US5069353 Housing for fiber-bundle filter modules |
| 11/27/1991 | CN1056441A Process for dehydration of gases and composite permeable membranes therefor |
| 11/21/1991 | DE3448391C2 Fluid separator stack |
| 11/19/1991 | US5066402 Method of changing operating modes in automatic water filtering apparatus using tubular membranes |
| 11/19/1991 | US5065791 Fluid purifying apparatus and method of purifying fluids |
| 11/19/1991 | CA1292170C Element having a porous wall |
| 11/12/1991 | US5064529 Apparatus for testing membrane filters |
| 11/06/1991 | CN1055910A Fluid purifying apparatus and method of purifying fluids |
| 10/31/1991 | WO1991016124A1 Modular microporous filter assemblies |
| 10/30/1991 | EP0454614A1 A fluid purifying apparatus and method of purifying fluids |
| 10/29/1991 | US5061372 Water treatment system with preservice rinse |
| 10/28/1991 | CA2036801A1 Fluid purifying apparatus and method of purifying fluids |
| 10/23/1991 | EP0452902A2 Hollow fiber type liquid processing apparatus |
| 10/22/1991 | US5059317 Transportable apparatus for producing drinking water |
| 10/17/1991 | DE4011714A1 Cross-flow fluid filter - including supplemental chambers in core connected by channels to deliver fluid to indented face |
| 10/09/1991 | EP0449873A1 Filtering apparatus |
| 10/08/1991 | US5055207 Filtration of cellulose ester dope |
| 10/01/1991 | US5053143 Fluid purifying apparatus and method of purifying fluids |
| 10/01/1991 | US5053128 Method of manufacturing a diffusion/filtration apparatus |
| 09/25/1991 | EP0448466A1 Improvements of membrane filters for ultrafiltration or microfiltration of liquids, in particular of water |
| 09/25/1991 | EP0447513A1 Filter cartridge manifold. |
| 09/19/1991 | WO1991013676A1 Fluid flow control device for water treatment systems |
| 09/19/1991 | WO1991013673A1 A method and apparatus for filtering a fluid |
| 09/03/1991 | US5045623 Transparent, steam sterilizable, noncellular polyurethane compositions a process for their preparation and their use especially for medicinal articles |