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| Number | Title | Issue Date |
| 8157999 | Method and apparatus for the filtration of biological solutions A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low... | 04/17/2012 |
| 7918999 | Filtration assemblies, filtration manifolds, filtration units, and methods of channeling permeate This invention relates to filtration manifolds, filtration assemblies, methods of channeling permeate, and filtration units. Filtration assemblies may include filtration units and filtration manifolds having isolated permeate collection passages. Permeate may be cha... | 04/05/2011 |
| 7384549 | Method and apparatus for the filtration of biological solutions A system, method and device are disclosed for bio-processing a feed stream and providing a constant output by operating a continuous single-pass tangential-flow process. The single-pass process provides high conversion concentration while operating at relatively low... | 06/10/2008 |
| 7338461 | Modified organ support devices Methods and devices are provided that improve the function of organ support devices, and also provided are improved methods of treating conditions associated with hemodynamic instability. ... | 03/04/2008 |
| 7338601 | Membrane separation assemblies Assemblies for use in separation of a fluid feed. Assemblies typically include an elongated housing having a fluid feed stream inlet, a residual stream outlet and a permeate stream outlet. The housing contains at least one membrane separation element to form a membr... | 03/04/2008 |
| 7303666 | Water filtration system A water filtration system includes a filter for receiving water to be filtered and having an output. A water storage vessel is connected to receive water from the filter output; and water is removed from the storage vessel and supplied back to the input of the filte... | 12/04/2007 |
| 7303674 | Forward osmosis pressurized device and process for generating potable water There is disclosed a process and device for Forward Osmosis (FO) Pressurized Device (FOPD) in general and one hydraulically coupled to a reverse osmosis (RO device for a FOPRO (Forward Osmosis Pressurized Reverse Osmosis). Specifically, there is disclosed a passive ... | 12/04/2007 |
| 7285106 | Hemodiafiltration/hemofiltration cartridges A hemodiafiltration/hemofiltration cartridge is preferably formed of a single cartridge providing multi-stage hemofiltration and hemodiafiltration defined by a first hemodiafiltration stage having first filtering elements and a second hemofiltration stage having sec... | 10/23/2007 |
| 7255788 | Catchment header and membrane module unit A catchment header allowing a plurality of membrane modules to be connected thereto, having a tubular catchment part with a Young's modulus of 4.0 GPa or less for collecting and taking out filtrated liquid from the membrane modules, wherein at least a part of the tu... | 08/14/2007 |
| 7217364 | Filtering device and a filtering device housing A filter device has a housing in the shape of a tubular section, with at least two chambers separated from one another by membranes, and with at least one connection for each flow chamber. The device has two filter caps, with one of each of the filter caps being loc... | 05/15/2007 |
| 7214301 | Filter or filter-element for modified electro-dialysis (MED) purposes Filter or filter-element designated for Modified Electro-Dialysis (MED) purposes characterized in that the filter or filter-element comprises a porous, ceramic, mainly uniform material with functional, preferably ion selective groups grafted onto the inner, porous s... | 05/08/2007 |
| 7186337 | Quick-change filter and bracket system A bracket system holds one or more filters in quick-attach and quick-release fashion. Bracket modules are combined in modular fashion, with tubing or other conduit between the modules, to create a “bank” of filters easily changed in number, arrangement, and flow... | 03/06/2007 |
| 7182858 | Multiple barrier filter apparatus A filter apparatus is provided which includes a first filter membrane element (40a), and a second bacterial filter membrane element. The first viral filter element (40a) is capable of treating water at a first second flow rate and is adap... | 02/27/2007 |
| 7172693 | Quick change filter and bracket with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 02/06/2007 |
| 7156996 | Multichamber microdialysis device The invention is a multichamber microdialysis device with a multitude of sample chambers in close side by side arrangement (similar to a microtiter plate) for receiving liquid samples, and at least one dialysate chamber for receiving a dialysate liquid. The sample c... | 01/02/2007 |
| 7141171 | Membrane cascade-based separation The present invention provides counter flow cascade separation systems useful to separate solute/solute pairs present in a solvent. The separation systems include a series of interconnected stages with each stage comprising a combination of a diafilter preferentiall... | 11/28/2006 |
| 7138052 | Quick change fitter and bracket system with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 11/21/2006 |
| 7128836 | Dialysis device A dialysis apparatus for treating a patient with liver and/or kidney disease. In one embodiment a liver dialysis apparatus comprises an artificial liver. The artificial liver comprises a blood compartment, a vegetable protein compartment, and a clear dialysis compar... | 10/31/2006 |
| 7125393 | Device for carrying fluids for a medical treatment device A device for carrying fluids for a medical treatment device with two balancing chambers, each having two partial chambers. The filling times of the partial chambers are initially determined using a monitoring device, and then the filling times of the first partial c... | 10/24/2006 |
| H2168 | Arrangement and construction of an element bundling module Elongated processing elements are anchored at opposite ends thereof between holding discs retained within rigid seal rings enclosing a chamber within a cylindrical module housing, through which a flow of contaminate-laden bilgewater is conducted. Such discs are form... | 09/05/2006 |
| 7077953 | Nanofilter system and method of use An acid recovery system used in a hydrolysis operation includes a chromatographic unit to provide initial separation of sugar and acid. The sugar product provided by the chromatographic unit is processed to produce higher value products, such as ethanol. The remaini... | 07/18/2006 |
| 7074332 | Multistage hemodiafiltration/hemofiltration method and apparatus In a blood dialysis system including a source of substitution fluid (10) and a blood dialysis machine, a hemodiafiltration system having a first dialyzer (1) including a first blood compartment (4) having a first blood inlet which receives blood... | 07/11/2006 |
| 7067060 | Ionic enhanced dialysis/diafiltration system A dual-stage system and methods for using the same include first and second filtration cartridges is provided and is particularly suited for hemodiafiltration and/or hemodialysis. As fluid enters the first filtration cartridge, the hydroxyl ion concentration and hen... | 06/27/2006 |
| 7063216 | Underdrain useful in the construction of a filtration device The present invention provides an underdrain having an improved spout. The underdrain has particular utility in the construction of both single-well and microarray filtration devices. In a principal embodiment, the underdrain is characterized by its incorporation of... | 06/20/2006 |
| 7048856 | Ultrafiltration membrane, device, bioartificial organ, and methods The present invention relates to ultrafiltration. In particular, the present invention provides a compact ultrafiltration device and methods for generating an ultrafiltrate, both of which can be used for a variety of applications, including, but not limited to filte... | 05/23/2006 |
| 7029576 | Wind energy installation comprising a seawater or brackish water desalination plant A wind energy installation having a tower, a gondola supported by the tower, a rotor mounted in the gondola, and at least one pressure pump that is mechanically driven by the rotor and that feeds a raw water-treating reverse osmosis plant, the components of the reve... | 04/18/2006 |
| 6955655 | Hemofiltration system A hemofiltration system and method is provided that allows for high flow rate, accurate determination of net fluid withdrawal from or addition to a patient, and simple and reliable home operation. A removable, disposable assembly includes a filter housing and pump m... | 10/18/2005 |
| 6926826 | Quick change filter and bracket system with key system and universal key option A bracket system holds a filter(s) in quick-attach and quick-release fashion. Brackets are combined in modular fashion, with conduit between the brackets, to create a “bank” of filters easily changed in number, arrangement, and flow scheme. Top brackets and bott... | 08/09/2005 |
| 6918886 | Membrane module for the hemodiafiltration with integrated pre- or postdilution of the blood A membrane module for hemodiafiltration having a cylinder-shaped housing and a bundle of hollow-fiber membranes capable of supporting fluid flow and arranged in the direction of the longitudinal extent of the housing. The ends of the hollow-fiber membranes are embed... | 07/19/2005 |
| 6916424 | Method and apparatus for a hemodiafiltration delivery module This invention provides a method and apparatus for a hemodiafiltration delivery module that is used in conjunction with a UF controlled dialysis machine to enable hemodiafiltration therapy to be performed. The advantage is that one can fully utilize a current functi... | 07/12/2005 |
| 6908547 | Membrane module for gas transfer and membrane supported biofilm process An apparatus to transfer gas to or from a liquid has a flexible and oxygen permeable but liquid water impermeable membrane, a flexible and gas permeable spacer, an inlet conduit, an outlet conduit and a non-rigid restrain system. When used for treating wastewater, a... | 06/21/2005 |
| 6872315 | Pump for low flow rates The present invention concerns a method of producing flow rates of a transport liquid of about 1 to 1000 nl/min. The method provides a pump having a housing defining a space and including a channel and a wettable membrane positioned in the housing, the membrane incl... | 03/29/2005 |
| 6860993 | Pump for low flow rates The present invention concerns a pump for flow rates from about 1 to 1000 nl/min in which liquid transport takes place by evaporation of a transport liquid through a wettable membrane. The pumps according to the invention are particularly suitable for applications i... | 03/01/2005 |
| 6858146 | Artificial liver apparatus and method Artificial liver devices and methods for using the devices to purify a biological fluid are disclosed. The methods include the use of living hepatocytes (23) which are either unattached or attached to inert carriers and suspended in a cell culture medium whic... | 02/22/2005 |
| 6849184 | Forward osmosis pressurized device and process for generating potable water There is disclosed a process and device for Forward Osmosis (FO) Pressurized Device (FOPD) in general and one hydraulically coupled to a reverse osmosis (RO device for a FOPRO (Forward Osmosis Pressurized Reverse Osmosis). Specifically, there is disclosed a passive ... | 02/01/2005 |
| 6843779 | Hemodialysis system An apparatus and method for use in blood dialysis. The apparatus includes: two dialyzers each containing a semipermeable membrane that divides the dialyzer into a blood compartment and a dialysate compartment; a blood compartment connecting line connecting the blood... | 01/18/2005 |
| 6821431 | Ionic enhanced dialysis/diafiltration system A dual-stage system and methods for using the same include first and second filtration cartridges is provided and is particularly suited for hemodiafiltration and/or hemodialysis. As fluid enters the first diafiltration cartridge, the hydrogenion concentration (pH) ... | 11/23/2004 |
| 6802821 | Dialyzer A dialyzer design that includes a potting material encasing a microfiber bundle in each end of a cylindrical body. The potting material is set by spinning the dialyzer in a centrifuge to force the potting material to the ends of the dialyzer interior chamber, where ... | 10/12/2004 |
| 6797173 | Method and apparatus for membrane recirculation and concentrate energy recovery in a reverse osmosis system An apparatus and method suitable for use in a reverse osmosis system has a process chamber having a feed inlet, a low pressure outlet and a high pressure outlet. A feed pump is used to increase the feed pressure to process the process chamber. A common shaft having ... | 09/28/2004 |
| 6766259 | System and a method for detecting fiber damage in a dialyzer A system and a method are provided for detecting fiber damage in a dialyzer. The system may have a device which may transmit a gas into an interior of a fiber within a dialyzer. The temperature of the gas may be different than a temperature of the dialyzer. A therma... | 07/20/2004 |
