| 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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| 08/31/1999 | US5944999 Purifying a fluid |
| 08/31/1999 | US5944998 Rotary filtration device with flow-through inner member |
| 08/31/1999 | US5944997 System for maintaining a clean skein of hollow fibers while filtering suspended solids |
| 08/26/1999 | WO1999042203A2 Method and device for the treatment and/or pretreatment of liquids to be treated by means of a membrane filtration device |
| 08/26/1999 | WO1998029176A8 Method and apparatus for treatment of liquid |
| 08/26/1999 | DE19749411C1 Biological water treatment membranes subjected to intermittent reverse- flow |
| 08/25/1999 | EP0937494A2 Membrane separation system |
| 08/17/1999 | US5938940 Housing divided by filter element positioned between inlet and outlet and edge-sealed to housing wall; confined air is vented through outlet as fluid to be filtered enters intlet |
| 08/17/1999 | US5938929 Polysulfone hollow fiber semipermeable membrane |
| 08/04/1999 | EP0588902B1 Rotary filtration device and filter pack therefor |
| 08/04/1999 | EP0586591B1 Rotary disc filtration device |
| 08/03/1999 | US5932110 Overfilling with concentrated dialysate solution chemicals; mixing with water; measurement, drainage |
| 08/03/1999 | US5932105 Method of polyester manufacturing using crossflow membrane filtration |
| 08/03/1999 | US5932103 Withdrawal of priming fluid from extracorporeal circuit of hemodialysis machines or the like |
| 08/03/1999 | US5932099 Installation for biological water treatment for the production of drinkable water |
| 08/03/1999 | US5931987 Apparatus and methods for gas extraction |
| 07/29/1999 | WO1999037390A1 Apparatus comprising a flexible shell and an elastomeric tubular membrane enclosed by the shell; and method of using the apparatus for separating substances |
| 07/28/1999 | EP0930931A1 Modular filtration system |
| 07/27/1999 | CA2132683C Microfiltration and/or ultrafiltration membrane method of the preparation of such a membrane, and a method of the filtration of a liquid by means of such a membrane |
| 07/21/1999 | EP0929358A2 Improved water treatment system |
| 07/21/1999 | EP0902723A4 Immersible rotary disc filtration device |
| 07/20/1999 | US5925255 Elimination of scale causing impurities prior to concentrating feedwater stream at a selected ph, raising ph to more fully ionize remaining impurities and passing feedwater through membrane separator to elute pure water |
| 07/20/1999 | US5925246 Apparatus for aseptic vortex flow concentration |
| 07/15/1999 | CA2258402A1 Method and device for testing the quality of a sheet-like element comprising a membrane |
| 07/13/1999 | US5922202 Inlet manifold for blood oxygenator apparatus |
| 07/13/1999 | US5922200 Membrane filtration apparatus for dead end filtration |
| 07/08/1999 | WO1999033551A1 Methods to remove metals from water |
| 07/07/1999 | EP0726802B1 Method and apparatus for removing air locks within manually operated micro-filtration devices |
| 07/07/1999 | CN1221648A Cleaning method and corresponding membrane assembly of externally pressured hollow fiber membrane |
| 07/06/1999 | US5920035 For treating water from a water supply |
| 07/06/1999 | US5919376 Vessel divided into a concentrate chamber and a permeate chamber by a permeable septum. ultrasonic wave generator. |
| 07/06/1999 | US5919369 Hemofiltration and plasmafiltration devices and methods |
| 07/06/1999 | US5919330 Method for bonding a porous medium to a substrate |
| 06/30/1999 | EP0925825A2 Coupling unit for membrane elements |
| 06/29/1999 | US5918264 Fiber monitoring system |
| 06/29/1999 | US5916647 Pressure vessel: overmolding a polyolefin onto a polyolefin |
| 06/29/1999 | US5916440 Rigid membrane fluid treatment module |
| 06/29/1999 | US5916431 Filter cleaning |
| 06/22/1999 | US5914041 Reverse osmosis unit having purified liquid collection cavity and membrane placed deep within a vertical channel filled with unpurified liquid which provides pressure to cause permeate to flow through membrane into cavity |
| 06/22/1999 | CA2106988C Rotary disc filtration device |
| 06/17/1999 | WO1999029630A1 Apparatus and method for treating water |
| 06/17/1999 | WO1999029401A1 System for maintaining a clean skein of hollow fibres while filtering suspended solids |
| 06/15/1999 | US5911860 Matrix material and non-metallic constituent; enhances mechanical or catalytic properties and/or sintering behavior |
| 06/09/1999 | EP0920905A1 Washing apparatus for membrane module |
| 06/09/1999 | EP0920489A1 Method for producing cold-filtered beer |
| 06/09/1999 | EP0920356A2 Devices incorporating filters for filtering fluid samples |
| 06/09/1999 | EP0807087B1 Water purifying machine having membrane chamber flushing |
| 06/08/1999 | US5910251 Wastewater treatment process and apparatus for high flow fluoride removal |
| 06/08/1999 | US5910250 Baffle for conversion of fine bubbles to coarse while filtering with a vertical skein of hollow fibers |
| 06/08/1999 | US5910249 Screening raw sewage; filtering the screened effluent through a microfiltration membrane for removal of suspended solids without an intermediate long term biological treatment stage; efficiency |
| 06/08/1999 | CA1340585C Medical instrument and method for fabricating same |
| 06/03/1999 | WO1999026886A1 A method for purifying water, in particular ground water, under anaerobic conditions, using a membrane filtration unit, a device for purifying water, as well as drinking water obtained by using such a method |
| 06/03/1999 | WO1999026717A1 Apparatus, system and method for separating liquids |
| 06/03/1999 | CA2312783A1 Apparatus, system and method for separating liquids |
| 06/02/1999 | EP0697012B1 Method for photocatalytic decontamination |
| 06/02/1999 | CN1218580A Fabrication of electrochemical cell components |
| 05/27/1999 | WO1999025463A1 Apparatus and method for treating whole blood |
| 05/25/1999 | US5906739 Membrane filtration assembly |
| 05/20/1999 | WO1999024364A1 Process for removing silica from wastewater |
| 05/19/1999 | EP0915963A1 Method for producing cold-filtered beer |
| 05/19/1999 | CN1216720A Membrane separation apparatus able to be cleaned by various kinds of method |
| 05/18/1999 | US5905197 Membrane sampling device |
| 05/18/1999 | US5904853 Wastewater treatment process and apparatus for high flow silica removal |
| 05/18/1999 | US5904846 Filter cartridge having track etched membranes and methods of making same |
| 05/14/1999 | WO1999022851A1 Membrane filtration device |
| 05/14/1999 | WO1999022850A1 Membrane purification device |
| 05/12/1999 | EP0813445B1 Filter comprising one or more ducts |
| 05/12/1999 | DE19749875A1 Cleaning of tubes which supply consumable agents to dialysis machine |
| 05/12/1999 | CN2317933Y Structure of millipore filtering machine |
| 05/11/1999 | US5902476 Artificial kidney for frequent (daily) hemodialysis |
| 05/04/1999 | US5900270 Technique for testing and coating a microporous membrane |
| 05/04/1999 | US5900142 Mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications |
| 04/28/1999 | EP0910461A1 Multi-port, multi-stream valve apparatus |
| 04/27/1999 | US5897832 Sterilizing the kidney dialyzer by rinsing with ozonated water, also testing for leaks |
| 04/27/1999 | US5897817 Process for making a medical device from a cellulose acetate hollow fiber semipermeable membrane |
| 04/27/1999 | CA2003539C A fluid fractionating, stacked permeable membrane envelope assembly, and a fluid distributing and permeable membrane sealing collar |
| 04/21/1999 | EP0909210A1 Method and installation for in situ testing of filtering membrane integrity |
| 04/20/1999 | US5895578 Comprising inlet for connecting to external water source andopen lines intended to be connected in an operational configuraton of machine to different consumable acessaories; concentrated disinfectant in hydraulic circuit |
| 04/20/1999 | US5895573 Bundle of capillary ultrafiltration membranes fitted in a filter housing |
| 04/15/1999 | WO1999018294A1 Drinking water treatment installation |
| 04/15/1999 | DE19744490A1 Table water supply delivered by carbon filter arranged in series with second filter |
| 04/14/1999 | CN1214110A Pressure vessels and end closures thereof |
| 04/13/1999 | CA2070358C Method for evaluating the virus-removing capability of porous polymeric membrane module for removing viruses |
| 04/08/1999 | WO1999016538A1 Devices and methods for locating defective filter elements among a plurality of filter elements |
| 04/08/1999 | WO1999016537A1 Method of manufacturing polyester using crossflow membrane filtration |
| 04/08/1999 | WO1998056493A9 Filtration apparatus and method |
| 04/08/1999 | CA2303903A1 Devices and methods for locating defective filter elements among a plurality of filter elements |
| 04/07/1999 | EP0808212B1 Method of cleaning membrane filters |
| 04/06/1999 | US5891972 Method of manufacturing water-soluble polymers, polymers manufactured thereby, and uses of said polymers |
| 04/06/1999 | US5891340 Method of cooling filtration apparatus after steam sterilization |
| 04/06/1999 | US5891334 Filter cartridge retaining assembly |
| 04/05/1999 | CA2248556A1 Filter means and method for the purification of water |
| 04/01/1999 | WO1999015261A1 Technique for testing and coating a microporous membrane |
| 04/01/1999 | WO1999015256A1 Process of cleaning filters |
| 04/01/1999 | CA2270970A1 Technique for testing and coating a microporous membrane |
| 03/31/1999 | EP0904147A1 Membrane filtration apparatus |
| 03/31/1999 | CN1212636A Multi-port multi-stream valve apparatus |
| 03/30/1999 | US5888401 Method and apparatus for reducing membrane fouling |
| 03/30/1999 | CA2111052C Adsorption/reaction equipment |
| 03/25/1999 | WO1999013958A1 Fluid treatment arrangement |