| 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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| 10/26/2004 | US6810100 Method for treating power plant heater drain water |
| 10/26/2004 | US6808693 Purifying exhaust gases before injection into well; fuel gas generator for extracting natural gas from the crude oil under production |
| 10/26/2004 | US6808628 Membrane bioreactor using non-woven fabric filtration |
| 10/21/2004 | WO2004018067A9 Airlift membrane device, bioreactor and bioreaction process |
| 10/21/2004 | US20040206704 Two path filter with caps and apertures, overlapping and can be easily sterilized |
| 10/21/2004 | US20040206683 Immersed membrane apparatus |
| 10/20/2004 | EP1448928A4 Separation module |
| 10/20/2004 | CN1538872A Method and device for controlling integrity of membrane filtration units |
| 10/20/2004 | CN1538871A Separation membrane end cap |
| 10/19/2004 | US6805806 Method and apparatus for treatment of wastewater employing membrane bioreactors |
| 10/19/2004 | US6805731 Hollow fiber membrane contactor |
| 10/19/2004 | US6805730 Convoluted surface hollow fiber membranes |
| 10/14/2004 | WO2004087287A1 Filter for the purification of liquids |
| 10/14/2004 | US20040203088 Method of monitoring biofouling in membrane separation systems |
| 10/14/2004 | US20040200785 Water purification by passing raw water through the cell structure with porous ceramic partition walls; higher water permeability at outer periphery, smaller water permeability at cap portion, back washing; stable and continuous water treatment |
| 10/14/2004 | US20040200771 Laminated edge filter structure and method of making |
| 10/14/2004 | US20040200768 Filter Device Having More Than One Filtration Compartment |
| 10/14/2004 | DE202004012693U1 Coupling system for a filter module for filtering liquids by reverse osmosis, microfiltration and ultra- and nano-filtration comprises a connection between a filter module and a tubular system using a tubular coupling on an end region |
| 10/13/2004 | EP1466658A1 Device and method for aeration of membrane filters |
| 10/13/2004 | EP1466657A1 Filter device having more than one filtration compartment |
| 10/13/2004 | EP1465972A1 Process for cleaning filters |
| 10/13/2004 | CN2647418Y Film filtering recoil apparatus |
| 10/13/2004 | CN1537078A Electric demineralizer |
| 10/13/2004 | CN1171087C Method of defining an eleectrode area |
| 10/13/2004 | CN1170618C Fluid separation unit device |
| 10/12/2004 | US6803237 For accelerated fractionation and extraction of analytes from solid samples which is compatible with microwave heating sources |
| 10/07/2004 | WO2004086554A2 Method and apparatus for manufacturing filters |
| 10/07/2004 | WO2004085043A1 Method for curing defects in the fabrication of a composite gas separation module |
| 10/07/2004 | WO2004085028A1 Ceramic filter |
| 10/07/2004 | US20040194627 System and method for thermal management |
| 10/07/2004 | DE10311547A1 Filteranordnung und Verfahren zur Bestimmung der Effektivität des Filters der Filteranordnung Filter assembly and method for determining the effectiveness of the filter of the filter assembly |
| 10/07/2004 | CA2519766A1 Method for curing defects in the fabrication of a composite gas separation module |
| 10/06/2004 | EP1464669A1 Polyolefin microporous membrane and method of evaluating the same |
| 10/06/2004 | EP1463578A1 Methods for improving filtration performance of hollow fiber membranes |
| 10/06/2004 | EP1381442B1 Filter device |
| 10/06/2004 | CN1533827A System of using soft spberical particles to proceed membrane cleaning and its cleaning method |
| 10/05/2004 | US6800201 Reduce energy consumption |
| 10/05/2004 | CA2237061C Immersible rotary disc filtration device |
| 09/30/2004 | WO2004082806A1 Ceramic filter |
| 09/30/2004 | WO2004082743A1 Method for determining the effectiveness of a filter in a filter arrangement by determining the concentration of particles which cannot pass through a membrane and arrangement for carrying out said method |
| 09/30/2004 | WO2004062774A3 Direct osmosis cleaning |
| 09/30/2004 | US20040189002 Separation module |
| 09/30/2004 | US20040188348 Metal containing waste water treatment method and metal containing waste water treatment equipment |
| 09/30/2004 | US20040188342 Filter |
| 09/30/2004 | US20040188341 Apparatus and method for cleaning membrane filtration modules |
| 09/30/2004 | US20040188339 Submergible membrane modular filtration device having replaceable membrane elements |
| 09/30/2004 | US20040188258 Electric demineralizer |
| 09/30/2004 | US20040187558 Meniscus membranes for separations |
| 09/29/2004 | EP1461141A1 Method of using water soluble polymers in a membrane biological reactor |
| 09/29/2004 | EP1461140A1 Module with self-supporting sheet membranes |
| 09/29/2004 | EP1461137A1 Crosslinked and crosslinkable hollow fiber membrane and method of making same |
| 09/29/2004 | CN1533299A Device for coupling together a tube and a filter housing |
| 09/29/2004 | CN1168680C Process and equipment for filtering liquid mixture of bioreactor by dynamic membrane |
| 09/29/2004 | CN1168520C Method for removing inpurity from fluid |
| 09/23/2004 | WO2004080577A2 Nanofiltration system for water softening with internally staged spiral wound modules |
| 09/23/2004 | WO2004009201A3 Polymeric surface treatment of filter media |
| 09/23/2004 | US20040185472 Method of monitoring membrane separation processes |
| 09/23/2004 | US20040183228 Method and apparatus for manufacturing filters |
| 09/23/2004 | US20040182777 Filtration module including unitary filter cartridge-bowl construction |
| 09/23/2004 | US20040182772 Filters and method for producing filters |
| 09/23/2004 | US20040182771 Method of potting hollow fiber membranes |
| 09/23/2004 | US20040182764 System for producing ultrapure water |
| 09/22/2004 | EP1458465A1 Membrane filter housing and method of using the same |
| 09/22/2004 | EP1458463A1 Method for the production of a hollow-fiber membrane module, device for the production of a hollow-fiber membrane module, and hollow-fiber membrane module |
| 09/22/2004 | EP1363723B1 Method and cleaning system for cleaning membrane modules |
| 09/22/2004 | CN1530329A Hyperpure water manufacturing systems |
| 09/22/2004 | CN1530163A Filtering method |
| 09/22/2004 | CN1167628C Sealing means for electrically driven water purification units and method for manufacturing thereof |
| 09/16/2004 | WO2004078326A2 Submergible membrane modular filtration device having replaceable membrane elements |
| 09/16/2004 | US20040178154 Scouring method |
| 09/16/2004 | US20040178145 provides an optimized pulsed fluid flow to a filtration element; comprises a differential pressure activated valve, which seals the discharge port of the retentate head when the feed pressure exceeds the retentate pressure |
| 09/16/2004 | US20040178144 Airlift membrane device and membrane bioreactor and bioreactor process containing same |
| 09/16/2004 | US20040178136 Hollow fiber membrane module |
| 09/15/2004 | EP1457243A1 Filtering method |
| 09/15/2004 | EP1004621B1 Gamma-ray stabilizer and thermoplastic polymer composition containing the same |
| 09/15/2004 | CN1529628A Filtration module including unitary filter cartridge bowl construction |
| 09/15/2004 | CN1166442C Water-making device and method thereof |
| 09/14/2004 | US6790360 Immersed membrane element and module |
| 09/14/2004 | US6790350 Membrane module for the separation of fluid mixtures |
| 09/10/2004 | WO2004076040A1 Detergent for selectively permeable film and method of cleaning |
| 09/09/2004 | US20040173532 yields drinking water containing minerals and prevents backgrowth of bacteria from the outlet; series or serially smaller pore sized filters |
| 09/09/2004 | US20040173528 Pumps for filtration systems |
| 09/09/2004 | US20040173451 Capacitive electrostatic process for inhibiting the formation of biofilm deposits in membrane-separation systems |
| 09/09/2004 | US20040173094 carrying out hydrothermal synthesis using raw material solution having containing ratio of 1-adamantanamine to silica of 0.03-0.4, a containing ratio of water to silica of 20-500 and a containing ratio of ethylenediamine to1-adamantanamine of 5-32 |
| 09/08/2004 | EP1453592A1 Dual head pump driven membrane system |
| 09/08/2004 | EP1224029A4 Recovery process for oxidation catalyst in the manufacture of aromatic carboxylic acids |
| 09/08/2004 | CN2638833Y Acoustic membrane separator |
| 09/02/2004 | WO2004073842A1 Filter and filter module |
| 09/02/2004 | WO2004073772A1 Method for detecting filter clogging by using pressure information, apparatus for monitoring filter clogging and bed-side system |
| 09/02/2004 | US20040168979 Scouring method |
| 09/02/2004 | US20040168978 Concentration ; extraction; reverse osmosis; filtration; water purification treatment; automatic cleaning |
| 09/02/2004 | DE10306235A1 Verfahren und Anordnung zum Widerstandsnahtschweißen einer Folie und mindestens eines Folienträgers eines Brennstoffzellensystems Method and apparatus for resistance seam welding of a film and at least one film carrier of a fuel cell system |
| 09/01/2004 | EP1452493A1 Aeration system for submerged membrane modules |
| 09/01/2004 | EP1450939A1 Filtration system having hydrophilic capillary membranes |
| 09/01/2004 | CN1525879A Apparatus for the purification of water |
| 09/01/2004 | CN1524607A Detergent for selectively permeable film and method of cleaning |
| 09/01/2004 | CN1524606A Film filtering equipment |
| 08/31/2004 | US6783681 Use of an ion-exchange resin and a membrane filter in a single process tank. the ion-exchange resin is removed from the process tank and regenerated for reuse. |
| 08/31/2004 | US6783008 Hollow fibre restraining system |
| 08/26/2004 | US20040167011 zeolite separation membrane formed on porous zeolite substrate; small pressure loss; hardly generates defects such as cracks in the separation membrane even at high temperatures |