Patents
Patents for B01D 65 - Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes (9,726)
02/2003
02/13/2003US20030033106 Test device for filter systems, method for testing filter systems, and computer program therefor
02/13/2003US20030031600 Sequential processing reaction vessel for chemical fractionation and analysis
02/13/2003US20030029786 Modular filter housing
02/12/2003CN1396890A Water treatment unit
02/12/2003CN1396840A Multistage immersion type membrane separator and high-conentration wastewater treatment facility using same
02/11/2003CA2102589C Method and apparatus for removing air locks within manually operated micro-filtration devices
02/06/2003US20030024868 Separation membrane end cap
02/06/2003US20030024817 Equipment and method of local streaming potential measurement for monitoring the process of membrane fouling in hollow-fiber membrane filtrations
02/05/2003CN1394814A Sterilization method of ultrapure transmission system for microelectronic equipment
02/04/2003CA2148086C Fibre monitoring system
01/2003
01/30/2003WO2003008344A1 Waste water reservoir, especially activated sludge reservoir, and method for the operation thereof
01/30/2003WO2003008336A2 Reverse osmosis pretreatment using low pressure filtration
01/30/2003WO2003008077A2 Rotary-disc device for dynamic filtering
01/30/2003WO2003008076A1 Dual head pump driven membrane system
01/30/2003CA2492777A1 Dual head pump driven membrane system
01/29/2003EP1278822A2 Device for material exchange and the cultivation of cells
01/29/2003CN1099903C Method for controlling integrity of hollow fibre filtering modules
01/28/2003US6511602 Membrane separation device is disposed above a gas diffuser device arranged in a treating tank; clogging of the pores can be inhibited
01/28/2003US6511600 Polysulfone hydrophilic microporous filter membrane excellent in chemical resistance
01/23/2003WO2003006143A1 Apparatus for the purification of water
01/23/2003US20030015823 Method for forming a thick section, thermoset, solid casting
01/22/2003EP1276551A2 Composite membrane and method for making the same
01/22/2003EP1230000A4 Method and product for cleaning hollow fiber material and filter
01/22/2003CN1392802A Hollow yarn membrane module, hollow yarn membrane module unit, and method for producing hollow yarn membrane modules
01/21/2003US6508983 Exchanger apparatus and method of manufacture
01/21/2003US6508943 Filtering device and a filtering method
01/21/2003US6508937 Reverse osmosis membrane, removing residual chlorine,
01/16/2003US20030010690 Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same
01/16/2003US20030010205 Integral hollow fiber membrane gas dryer and filtration device
01/15/2003EP1275432A1 Integral hollow fiber membrane gas dryer and filtration device
01/15/2003EP1274500A1 Composite membrane
01/15/2003EP0929358B1 Improved water treatment system
01/15/2003CN1390616A Fine filter with side flow filtration and lateral flow filtration varying porosity with simple structure
01/09/2003WO2003002239A2 Laminated edge filter structure and method of making
01/09/2003WO2003002229A1 Filtration module including unitary filter cartridge-bowl construction
01/09/2003WO2003002228A1 Filtration module including unitary filter cartridge-bowl construction
01/09/2003WO2002077139A9 Process and system for removing oil from foodstuffs using a membrane filter
01/09/2003WO2001077284B1 Device for material exchange and the cultivation of cells
01/09/2003US20030005750 Characterization of membranes
01/08/2003EP1272434A1 Method and device for producing ultrapure water
01/08/2003EP1272262A1 Hollow fibre restraining system
01/08/2003EP1194761B1 Method for conducting integrity testing of filter units and a testing device for carrying out the method
01/08/2003EP1152817B1 Filters and method for producing filters
01/07/2003WO2002004101A1 Hollow thread film cartridge, hollow thread film module using the cartridge, and tank type filter
01/02/2003US20030004084 Gel particle for washing separation membrane module, manufacturing method thereof and washing method using the same
01/02/2003US20030001295 Air diffuser and flushing method thereof
01/02/2003US20030000874 Laminated edge filter structure and method of making
01/02/2003EP1268043A1 Filter module
01/02/2003EP1189682A4 Membrane filtration manifold system
12/2002
12/26/2002US20020195390 Use of a gas bubble system to remove fouling materials from the surface of membranes used in filtration systems
12/26/2002US20020195331 Treatment of dental-unit water lines
12/26/2002US20020195250 System and method for separation of hydrocarbons and contaminants using redundant membrane separators
12/24/2002US6497821 Method and apparatus for filtering suspensions of medical and biological fluids or the like
12/19/2002WO2002101115A1 Preventing a membrane from blocking up during the treatment of waste water during phosphatization
12/19/2002WO2002026629A3 Electrodeionization device and methods of use
12/19/2002US20020189999 Water filtering module with hollow fibers
12/19/2002US20020189985 Monolithic plumbed sub-assemblies and assembly for adapting diverse existing reverse osmosis (RO) systems to zero waste, and for constructing modular zero-waste RO system
12/19/2002US20020189647 Method of cleaning passageways using a mixed phase flow of a gas and a liquid
12/18/2002EP1266683A1 Gel particle for washing separation membrane modules, manufacturing method thereof and washing method using the same
12/18/2002EP1266680A1 Fluid filtering system and the filter used in said system
12/18/2002EP1265819A1 Method and device for effluent treatment
12/18/2002EP1265693A1 Membrane module
12/18/2002EP1265690A1 Tubing unit
12/18/2002EP1109616A4 Apparatus for aseptic vortex flow concentration
12/18/2002EP1044062B1 Membrane filtration device
12/18/2002EP0920356B1 Devices incorporating filters for filtering fluid samples
12/18/2002CN1386070A Multi-stage filtration and softening module and reduced scaling operation
12/18/2002CN1096286C Predicting logarithmic reduction values for film filter system and method for testing porous film integrity
12/17/2002US6495046 Avoiding clogging of filtration routes by mixing at least two fluids in second part of line, including distributor line, by withdrawing, at at least one point of second part of line, at least fractional flow, and returning to line after time lag
12/17/2002US6495041 Method for purifying aqueous suspension
12/12/2002WO2002098527A2 System for recirculating tangential filter concentrate
12/12/2002WO2002076590A3 Filtering system
12/12/2002WO2002026363A3 Membrane filter unit and method for filtration
12/12/2002US20020185439 Process for the removal of organic substances (TOC), pesticides, or other substances from a salt solution
12/12/2002US20020185430 Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtration
12/12/2002DE10142933A1 Membrane filtration of zinc phosphation bath overflow or washing water, e.g. in car, domestic appliance or steel industry, involves adding reagent inhibiting membrane blocking and/or cleaning membrane with acid
12/12/2002CA2482301A1 System for recirculating tangential filter concentrate
12/11/2002EP1264626A1 Variable pore micro filter having simple and compact structure capable of side stream filtration and cross flow filtration
12/11/2002CN1384712A Methods and systems for forming concentrated consumable extracts
12/10/2002US6492098 Before starting a utilization of the membrane, circulating the permeate and the retentate through the nanofiltration membrane for a set time
12/10/2002US6491819 Method and apparatus for filtering suspension of medical and biological fluids or the like
12/05/2002WO2002064239A9 Method and apparatus for treating renal disease with hemodialysis utilizing pulsatile pump
12/05/2002WO2002005936A1 Method and device for carrying out membrane purification
12/05/2002US20020179545 Removal wastes using filtration cycles; solidification
12/05/2002US20020179543 Micro-filtration
12/05/2002US20020179521 Expansion resistant filter cartridge
12/05/2002US20020179517 Immersed membrane apparatus
12/05/2002DE10126837A1 Anlage zur Erzeugung von Reinstwasser Plant for the production of ultrapure water
12/05/2002CA2411935A1 Process and apparatus for membrane cleaning
12/04/2002EP1261414A1 Membrane module for the separation of fluid mixtures
12/04/2002EP1261411A1 Apparatus and method for separating fluids through a membrane
11/2002
11/28/2002WO2002095370A2 System and method for continuous integrity testing of a material web
11/28/2002US20020176617 System and method for continuous integrity testing of a material web
11/28/2002US20020175121 System and method for withdrawing permeate through a filter and for cleaning the filter in situ
11/27/2002EP1105351B1 Method and device for membrane filtering of water
11/27/2002EP0915963B1 Method for producing cold-filtered beer
11/27/2002CN1382110A Sealing means for electrically driven water purification units and method for manufacturing thereof
11/26/2002US6485657 Gamma-ray stabilizer and thermoplastic polymer compound including the said stabilizer
11/21/2002WO2002092202A1 Method of treating filter membrane, filter membrane, and method of rapidly counting number of microorganism with the filter membrane
11/21/2002US20020170863 Carbon dioxide recycle for immersed membrane
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