| 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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| 06/29/2004 | US6755970 Back-flushable spiral wound filter and methods of making and using same |
| 06/29/2004 | US6755894 Hollow fiber membrane gas separation cartridge and gas purification assembly |
| 06/24/2004 | WO2004053330A2 Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive |
| 06/24/2004 | WO2004052790A2 Apparatus for treatment of wastewater employing membrane bioreactors |
| 06/24/2004 | WO2004052495A1 Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes |
| 06/24/2004 | WO2003022388A3 Separation module |
| 06/24/2004 | US20040118777 Waste oily water is concentrated by expelling permeate water away from the oil component through ceramic membranes of a cross-flow filter in a circulation ring |
| 06/24/2004 | US20040118776 inert fluorescent tracers and tagged fluorescent agents added to a feed stream to evaluate and/or control one or more parameters specific to membrane separation such that performance thereof can be optimized; waste water treatment |
| 06/24/2004 | US20040118767 Apparatus for withdrawing permeate using an immersed vertical skein of hollow fibre membranes |
| 06/23/2004 | EP1431736A2 Leak site odorization for gas leak detection |
| 06/23/2004 | EP1429861A1 Filtration module |
| 06/23/2004 | EP1429859A1 Filtering device and a filtering device housing |
| 06/22/2004 | US6752925 Filter device with an electrically grounded ceramic membrane filter element |
| 06/17/2004 | WO2004050221A1 Mixing chamber |
| 06/17/2004 | WO2003074160A3 Device for the preparation and separation of especially biologically organic flow media |
| 06/17/2004 | US20040115819 Leak site odorization for gas leak detection |
| 06/17/2004 | US20040115757 Method of monitoring biofouling in membrane separation systems |
| 06/17/2004 | US20040113293 Cyclic aeration system for submerged membrane modules |
| 06/17/2004 | US20040112831 immersed membrane in tank; connecting to air blower, valves and controllers; alternating air flow, uniform speed |
| 06/17/2004 | US20040112826 Drinking element |
| 06/17/2004 | US20040112820 Device for coupling together a tube and a filter housing |
| 06/16/2004 | EP1428572A1 Zeolite laminated composite and zeolite membrane reactor using the same |
| 06/16/2004 | EP1428568A1 Laminated zeolite composite and method for preparation thereof |
| 06/16/2004 | EP1427515A1 Process for making a fluid processing module |
| 06/16/2004 | EP1194217B1 Method and apparatus for testing the integrity of filtering membranes |
| 06/16/2004 | EP1096991B1 Bridge apparatus for replacing a separation module and system including the same |
| 06/16/2004 | EP0904147B1 Membrane filtration apparatus |
| 06/16/2004 | CN1504431A Method of bacteriostasis or disinfection for permselective membrane |
| 06/15/2004 | US6749752 Solvent extraction of oil from foods |
| 06/15/2004 | US6749747 Filter membrane module comprising an integrated heat exchanger |
| 06/10/2004 | WO2004047965A1 Fold protection for spiral filtration modules utilizing uv cured adhesive and method of providing same |
| 06/10/2004 | US20040108277 Waste water treatment; precipitation, floculation |
| 06/10/2004 | US20040108272 Seawater pressure-driven desalinization method using a gravity-driven brine return |
| 06/10/2004 | US20040108270 Raw material fluid flow; membrane filtration ; ion exchange resin; membrane filtration; water pollution control |
| 06/10/2004 | CA2506889A1 Fold protection for spiral filtration modules utilizing uv cured adhesive and method of providing same |
| 06/09/2004 | DE202004003335U1 Apparatus for the optical measurement of a filtrate flow, for the separation of plasma from blood in an external blood cleaning system, has an eddy flow into the filter chamber and an optical detector at the outflow |
| 06/03/2004 | WO2004046041A1 Water purifier |
| 06/03/2004 | WO2004045751A1 Permeable film for separating hydrogen |
| 06/03/2004 | US20040104171 Method of monitoring membrane separation processes |
| 06/03/2004 | US20040104169 Using fluorometer to detect fluorescent signal of inert fluorescent tracer and tagged fluorescent agent; reverse osmosis |
| 06/03/2004 | US20040104157 Purified water supply system |
| 06/02/2004 | EP1424311A1 Method of multi-stage reverse osmosis treatment |
| 06/02/2004 | EP1424123A1 Filter device comprising semi-permeable membranes |
| 06/02/2004 | EP1424122A1 Installation for recycling agricultural waste and similar waste |
| 06/02/2004 | EP1423337A2 Biofilm reduction in crossflow filtration systems |
| 06/02/2004 | EP1423174A2 Method and apparatus for a recirculating tangential separation system |
| 06/02/2004 | CN1501833A Immersion type membrane filter |
| 06/02/2004 | CN1151863C Membrane assembly for solid-liquid separation |
| 06/02/2004 | CN1151862C Method and apparatus for high efficiency reverse osmosis operation |
| 06/01/2004 | US6743363 Subjecting crude water to acid treatment at a ph of 4 or lower |
| 06/01/2004 | US6742659 Multiple well plate with adhesive bonded filter |
| 05/27/2004 | WO2004043578A1 Filter module |
| 05/27/2004 | WO2004014529A3 Membrane module for the separation of hydrogen and method for the production thereof |
| 05/27/2004 | US20040099616 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 05/27/2004 | US20040099615 Groove ring for dividing fluid flow; centrifuging solid suspension; cyclone separator |
| 05/27/2004 | US20040099598 Fold protection for spiral filtration modules utilizing UV cured adhesive and method of providing same |
| 05/27/2004 | DE20300546U1 Module, for constructing membrane filter, comprises molded body having permeate collecting chamber and connecting end for filter element, and filter element having fiber bundle made from capillary membranes |
| 05/27/2004 | DE10252544A1 Waste water treatment process employs ultrasound to disinfect or reduce bacterial growth in fluid and to clean or disinfect membrane used for subsequent filtration |
| 05/27/2004 | CA2505726A1 Filter module |
| 05/26/2004 | EP1420874A1 Method of cleaning membrane modules |
| 05/26/2004 | EP1229999B1 A process for the removal of organic substances (toc), pesticides, or other substances from a salt solution |
| 05/25/2004 | US6740240 Method and apparatus for directly sampling a fluid for microfiltration |
| 05/20/2004 | US20040094463 Liquid filtration device |
| 05/19/2004 | EP1419003A2 System and method for withdrawing permeate through a filter and for cleaning the filter in situ |
| 05/18/2004 | US6736966 Electrolytic cell for generating at least one oxidant, electrolyte reservoir, power source, activator for activating power source |
| 05/13/2004 | WO2004029076A3 Purification process comprising microfiltration at elevated temperatures |
| 05/13/2004 | WO2004018067A3 Airlift membrane device, bioreactor and bioreaction process |
| 05/13/2004 | US20040089598 Filter device |
| 05/12/2004 | EP1417021A1 Method of filtering a fluid and apparatus therefor |
| 05/12/2004 | EP1417017A1 Filtration module including unitary filter cartridge-bowl construction |
| 05/11/2004 | US6733675 Feeding liquid containing a chemical having a contaminant separating or a sterilizing function from one end of spiral wound membrane element and taking out permeated liquid at the end of perforated hollow pipe |
| 05/11/2004 | US6733250 Filter unit, chemical liquid supply system, and chemical liquid supply method |
| 05/06/2004 | WO2004037726A1 Production of water for injection using reverse osmosis |
| 05/06/2004 | WO2004037396A1 Method of operating a filter unit, an apparatus to be used therewith and a capillary filtration module |
| 05/06/2004 | US20040084385 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 05/06/2004 | US20040084369 Removing fouling materials from surface of plurality of porous membranes arranged in module; gas bubbles in uniform distribution produce vibration and rubbing together of membranes |
| 05/06/2004 | EP1414555A1 Method and device for controlling the integrity of membrane filtration units |
| 05/06/2004 | EP1414554A1 Separation membrane end cap |
| 05/06/2004 | EP1414552A1 Reverse osmosis system with controlled recirculation |
| 05/04/2004 | US6730227 Method of monitoring membrane separation processes |
| 04/29/2004 | WO2004014528A9 Residential reverse osmosis system |
| 04/29/2004 | US20040079701 Method for treating wastewater/water with membrane bioreactor |
| 04/29/2004 | US20040079700 Production of water for injection using reverse osmosis |
| 04/29/2004 | DE202004002616U1 Wasserfilteranlage, insbesondere Seewasserfilteranlage Water Purifier, especially sea water filter system |
| 04/28/2004 | CN1147349C Apparatus and method for cleaning membrane filtration modules |
| 04/27/2004 | US6727099 Developing progress of a membrane fouling by measuring the position-dependent zeta potential of the hollow-fiber membrane. |
| 04/22/2004 | WO2004033078A1 Backwash method |
| 04/22/2004 | WO2004003669A3 Method for testing the integrity of dpf's |
| 04/22/2004 | US20040074837 Filter housing |
| 04/22/2004 | DE202004002835U1 Device for insertion into metal tube system, used for micro- and ultra-filtration, comprises tubular plastic filter module with tube end including tubular coupling to receive axial forces in longitudinal direction of tube |
| 04/21/2004 | EP1409118A2 Laminated edge filter structure and method of making |
| 04/21/2004 | EP1409117A2 Rotary-disc device for dynamic filtering |
| 04/21/2004 | EP1409115A1 Apparatus for the purification of water |
| 04/21/2004 | EP1043276B1 Apparatus and method for treating water |
| 04/20/2004 | US6723284 Membrane apparatus with enhanced mass transfer, heat transfer and pumping capabilities via active mixing |
| 04/20/2004 | US6723246 Filter cleaning method |
| 04/20/2004 | US6723245 Method of using water soluble cationic polymers in membrane biological reactors |
| 04/20/2004 | US6723241 Comprising a polyamide layer on a porous support where the polyamide layer is complexed or hydrogen bonded to a phosphorus-containing compound; improved flux and/or rejection rate; filters; nanofiltration and reverse osmosis |
| 04/15/2004 | US20040070201 Connector apparatus and system including connector apparatus |
| 04/15/2004 | US20040070200 Connector apparatus and system including connector apparatus |