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| Number | Title | Issue Date |
| 8177974 | Disposable tangential flow filtration device holder Tangential flow filtration device is provided wherein liners are provided between the filtration element and the top and bottom holders or manifolds. The liners incorporate the flow channels and inlet and outlet ports that were previously present in the manifolds. T... | 05/15/2012 |
| 8147692 | Batch-operated reverse osmosis system with multiple membranes in a pressure vessel A reverse osmosis system and method for operating the same includes a fluid reservoir, a valve and a brine feed tank in fluid communication with the fluid reservoir through an input. The brine feed tank has brine feed fluid therein. The system also includes a high p... | 04/03/2012 |
| 8142656 | Wastewater concentrator system Disclosed is a system for reducing the demand of wastewater volume flowing through a wastewater collection piping system and thereby increasing the effective capacity of the system. A portion of the wastewater is diverted from a sewer main. The solids are separated ... | 03/27/2012 |
| 8133457 | Unit for preparing a sample for the microbiological analysis of a liquid The unit comprises a filter membrane filter module and a collection module for liquid coming from the filter module, with the filter module comprising an inlet compartment as well as an evacuation compartment for the liquids, the filter and collection modules being ... | 03/13/2012 |
| 8123943 | Pervaporation assembly The invention is a pervaporation process and pervaporation equipment, using a series of membrane modules, and including inter-module reheating of the feed solution under treatment. The inter-module heating is achieved within the tube or vessel in which the modules a... | 02/28/2012 |
| 8110104 | Dialysis systems and related components A cassette is described for holding circuit components used with a hemodialysis machine. ... | 02/07/2012 |
| 8101078 | Wastewater concentrator Disclosed is a system for reducing the demand of wastewater volume flowing through a wastewater collection piping system and thereby increasing the effective capacity of the system. A portion of the wastewater is diverted from a sewer main. The solids are separated ... | 01/24/2012 |
| 8092944 | Stressed thin-film membrane islands A structure including a support defining an opening, and a tensilely stressed thin-film membrane disposed to occlude the opening, the membrane contacting at least a portion of the support. The stressed membrane includes a material having a characteristic crack spaci... | 01/10/2012 |
| 8083942 | Systems and methods for purification of liquids The present disclosure provides methods and systems for purifying liquids. In a particular implementation, the system includes a forward-osmosis unit for diluting a water source for a downstream desalination unit. A pretreatment unit may be located hydraulically ups... | 12/27/2011 |
| 8080160 | Pitcher type water purifier and purification cartridge for the water purifier In a combination including a pitcher-type water purifier and its purification cartridge, which can adsorb and eliminate chemical substances such as chlorine from raw water, eliminate bacteria, and prevent propagation of bacteria and provide safe purified water in a ... | 12/20/2011 |
| 8062522 | Wastewater concentrator system Disclosed is a system for reducing the demand of wastewater volume flowing through a wastewater collection piping system and thereby increasing the effective capacity of the system. A portion of the wastewater is diverted from a sewer main. The solids are separated ... | 11/22/2011 |
| 7985336 | Systems, methods and devices relating to a cellularized nephron unit The present invention relates to bioartificial devices and systems that mimic kidney or nephron function and methods of making them. ... | 07/26/2011 |
| 7959805 | Manifold adaptor plate for filtration apparatus A manifold adaptor plate useful as a gasket having liquid pathways which permit passing of a filtrate, a feed and a retentate wherein admixture of the filtrate with the feed or the retentate is prevented is provided and is formed of an elastomeric layer, a rigid int... | 06/14/2011 |
| 7947176 | Membrane fluid filtration and remediation system A filtration and remediation system is disclosed herein including a quiet tank component, a circulation component, and a storage and filtration component, each with frames. The system can include a scalping shaker which can receive a slurry and separate a particulat... | 05/24/2011 |
| 7892428 | Transducer protector A transducer protector (TP) and a method for forming the transducer protector are disclosed. The transducer protector is operable in cooperation with a hemodialysis system, and may be mounted between a drip chamber and a pressure transducer. The transducer protector... | 02/22/2011 |
| 7892429 | Batch-operated reverse osmosis system with manual energization A batch reverse osmosis system in fluid communication with a fluid reservoir and a method that includes a housing having an inlet valve in fluid communication with the fluid reservoir. The system also includes a pressure vessel having an elongated liner, a membrane ... | 02/22/2011 |
| 7862718 | Integrated permeate channel membrane A membrane has a permeate channel including a 3D spacer fabric having an upper and a lower fabric surface (2,3) spaced apart by monofilament thread (4) at a predefined distance, the permeate channel being interposed between two membrane layers (12, ... | 01/04/2011 |
| 7828970 | Residential reverse osmosis system A reverse osmosis system that includes a housing which receives feed water and a membrane element within the housing to filter the feed water. The membrane element includes a permeate outlet and a concentrate outlet. The reverse osmosis system further includes a sen... | 11/09/2010 |
| 7828971 | Residential reverse osmosis system A reverse osmosis system that includes a housing having an inlet port, a permeate port and a concentrate port. A membrane element is within the housing. The reverse osmosis system further includes (i) a first connector that is connected to the inlet port; (ii) a sec... | 11/09/2010 |
| 7790028 | Systems, methods, and devices relating to a cellularized nephron unit The present invention relates to bioartificial devices and systems that mimic kidney or nephron function and methods of making them. ... | 09/07/2010 |
| 7758751 | UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separations The present invention is for high performance UV-cross-linked membranes from polymers of intrinsic microporosity (PIMs) and the use of such membranes for separations. More specifically, the invention involves the methods of making UV-cross-linked membranes from PIMs... | 07/20/2010 |
| 7754077 | Dialysis membrane for separation on microchips Laser-induced phase-separation polymerization of a porous acrylate polymer is used for in-situ fabrication of dialysis membranes inside glass microchannels. A shaped 355 nm laser beam is used to produce a porous polymer membrane with a thickness of about 15 μm, whi... | 07/13/2010 |
| 7736507 | Method of synthesizing zirconium phosphate particles Zirconium phosphate particles are synthesized by providing a solution of zirconium oxychloride in an aqueous solvent, adding at least one oxygen-containing additive to the solution, the oxygen-containing additive being selected to form a complex with zirconium ions ... | 06/15/2010 |
| 7658843 | Deep sea water harvesting method, apparatus, and product Sea water is extracted from a depth in excess of 400 meters below the sea surface and desalinated to produce potable water. A system to extract, desalinate and store the desalinated sea water is mounted aboard a ship. ... | 02/09/2010 |
| 7622041 | Method for making a filter device having more than one filtration compartment A method for manufacturing a filter device having filter means, in particular hollow-fibre membranes, arranged in more than one filtration compartment within a filter housing. For example a dialysis type filtration process such as haemofiltration or haemodiafiltrati... | 11/24/2009 |
| 7597807 | Residential reverse osmosis system A reverse osmosis (RO) system which is capable of producing a permeate flow rate of at least about 25 GPD when the system is operating under a feed pressure of 30 psi. ... | 10/06/2009 |
| 7520988 | Cross-flow filter cassette An improved cross-flow filtration unit utilizing at least one two-ply membrane is disclosed that has a particular pore size relationship in the two membrane layers. ... | 04/21/2009 |
| 7517453 | Microvascular network device A microvascular network device comprising: a substrate; at least one microchannel; at least one opening to the microchannel for sample entry; at least one opening to the microchannel for sample exit; and an aspirator which causes the sample to traverse the microchan... | 04/14/2009 |
| 7510654 | Method and apparatus for the filtration of biological samples A separation module and method are disclosed for processing a liquid sample and providing high conversion by operating a single-pass tangential-flow process without a recirculation loop. In one embodiment, the separation module includes three reservoirs and has at l... | 03/31/2009 |
| 7473361 | Diffusion-based molecular separation in structured microfluidic devices A microfluidic device has features that reduce the speed of flow of higher speed diffusing molecules. The features are used to separate various components of a mixture in the microfluidic device. The channel is sized to ensure laminar flow of the mixture to promote ... | 01/06/2009 |
| 7459080 | Flexible tube for cartridge filter Embolic protection filtering devices and methods of making and using the same. The present invention may include an embolic protection filtering device including a filter cartridge that is slidable over medical devices, for example, guidewires. The filter cartridge ... | 12/02/2008 |
| 7455770 | Implementation of microfluidic components in a microfluidic system A system and method for integrating microfluidic components in a microfluidic system enables the microfluidic system to perform a selected microfluidic function. A capping module includes a microfluidic element for performing a microfluidic function. The capping mod... | 11/25/2008 |
| 7435343 | Vibration filter A vibration filter that eliminates the problems of polarization, blockage and fouling is disclosed to include a separation membrane for removing solid matter in a fluid, a base, a magnetic field generator controllable to provide a variable magnetic flux, and vibrato... | 10/14/2008 |
| 7435339 | Filter device integrating sampled volume control The invention relates to a drainage device for a filter unit for microbiological testing of liquids, said drainage device including a mechanical support (10), which is adapted to receive a filter unit (16), and an suction pump (22) connected to ... | 10/14/2008 |
| 7431838 | Gas/ion species selective membrane support by multi-stage nano-hole array metal structure An improved two-step replication process for fabrication of porous metallic membranes is provided. A negative of a porous non-metallic template is made by infiltration of a liquid precursor into the template, curing the precursor to form a solid negative, and removi... | 10/07/2008 |
| 7410581 | Branched flow filtration and system A cross flow filtration apparatus for nanofiltration or reverse osmosis has pressure vessels with a plurality of filter cartridges in each vessel. A feed port is provided at an intermediate position on the side of the vessel, and two permeate flows or branches exit ... | 08/12/2008 |
| 7402028 | Pressurisation system A pressurization device is described mobilizing gravity to mobilize seawater and to employ a weight (56) for gravitionally applying a force to and thereby pressurizing an enclosed pocket (58) of seawater, resulting in low energy utilisation. Energy is ... | 07/22/2008 |
| 7396457 | Apparatus and method for recovering acetic acid and catalyst in process for preparation of 2,6-naphthalenedicarboxylic acid An apparatus and a method for effectively recovering acetic acid and catalyst from a mother liquor discharged from a series of processes including an oxidation process, a crystallization process and a solid-liquid separation process, in a continuous process for prep... | 07/08/2008 |
| 7390409 | Membrane holder for membrane adsorber chromotography Membrane holder for membrane adsorber chromatography comprising a housing body (12) with a reception space for at least one layer of adsorber membranes (22) and at least one first housing cap (34) for closing a first reception space opening, whi... | 06/24/2008 |
| 7390653 | Culture chamber for biologicals The culture chamber of the present invention has a fluid-filled culture compartment in which cells, tissues and other biologicals are cultured. The culture compartment is transversed by one or more molecular weight cut-off membranes attached to a membrane carrier as... | 06/24/2008 |
