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| Number | Title | Issue Date |
| 7425265 | Vortex-enhanced reverse osmosis filtration device and methods Preferred aspects of the present invention relate to advances in rotating, vortex-enhanced reverse osmosis filtration. More particularly, the filtration device and methods incorporate a rotational drive mechanism adapted to use the flow of pressurized process fluid ... | 09/16/2008 |
| 7374677 | Two stage hemofiltration that generates replacement fluid The present invention relates to a system for two-stage blood dialysis of a patient. In one embodiment, the system comprises a first filtration device for receiving the blood from the patient and for producing a first filtrate and processed blood. The system further... | 05/20/2008 |
| 7354515 | Fluid concentrator A concentrator is used for concentrating a fluid, particularly a plasma component out of blood, for treatment of a patient. The concentrator apparatus includes a main housing defining a centrifuge chamber, that also holds the filter. The concentrator allows viewing ... | 04/08/2008 |
| 7306728 | Rotor and methods of use A shaftless rotor includes at least two recessed portions. The portions are shaped to enable the rotor to rotate by the application of fluid flow to the rotor. The centre of mass of the rotor is substantially at the centre of the volume of space occupied by the roto... | 12/11/2007 |
| 7285212 | Method and apparatus for treatment of wastewater employing membrane bioreactors Methods and apparatus employing membrane filtration in biodegradation processes for treatment of wastewater are described. A bioreactor system is described having an equalization system, a membrane bioreactor system, and a controller. Aeration systems for a membrane... | 10/23/2007 |
| 7247202 | Process for the conversion of a fluid phase substrate by dynamic heterogeneous contact with a solid agent A process for the conversion of a substantially fluid phase substrate by heterogeneous contact of the substrate or a fragment or derivative thereof with a substantially solid phase agent wherein the solid phase agent is comprised as a surface of a support element or... | 07/24/2007 |
| 7243721 | Methods and apparatus for heating oil production reservoirs Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 07/17/2007 |
| 7232524 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive Methods and apparatus employing inert gases injected into the lower level of sloping underground oil-bearing formations as a driving mechanism and water injected into the upper level of the formations as a gas blocking mechanism for increasing and extending the prod... | 06/19/2007 |
| 7220354 | Vortex-enhanced filtration devices Preferred aspects of the present invention relate to a device for filtration comprising at least one rotor configured to create Taylor vortices on at least one side of a filtration membrane, thereby providing substantially enhanced mass or heat transfer across the m... | 05/22/2007 |
| 7208091 | Assembly for withdrawing and filtering partial volumes of process fluid A method for withdrawing and filtering a partial volume of a particle-containing process fluid enclosed in a container, a combination of a container enclosing a process fluid and an assembly for continuously withdrawing and filtering a partial volume of a process fl... | 04/24/2007 |
| 7182867 | Shear-enhanced systems and methods for removing waste materials and liquid from the blood Systems and methods convey the blood through a gap defined between an inner surface that is located about an axis and an outer surface that is concentric with the inner surface. At least one of the inner and outer surfaces carries a membrane that consists essentiall... | 02/27/2007 |
| 7182866 | Apparatus and method for separating impurities from a stream A filtration apparatus and method for filtering a stream. The apparatus comprises a rotor that contains an inlet for the stream and an array of cavities operatively arranged to receive the stream from the impeller. The rotor member further includes membranes, operat... | 02/27/2007 |
| 7179379 | Apparatus for separating particulates from a suspension, and uses thereof The present invention includes an apparatus for separating particulates from a fluid in a suspension, comprising: a housing defining a frusto-conically shaped inner chamber with an inner wall, an inlet and a first outlet communicating with the chamber, and a second ... | 02/20/2007 |
| 7169303 | Sorbent reactor for extracorporeal blood treatment systems, peritoneal dialysis systems, and other body fluid treatment systems Systems and methods for extracorporeal processing of blood or other body fluid for the treatment of conditions, such as sepsis, autoimmune disease, or toxemia related to kidney failure, liver failure, or drug overdose are provided. In an extracorporeal treatment sys... | 01/30/2007 |
| 7166225 | Methods for filtering fluids A fluid filtering device includes a plurality of filtering wells and an angling mechanism which adjusts the angle of the membranes within the filtering wells relative to a line of a centrifuge where the line is perpendicular to the axis of rotation of a centrifuge a... | 01/23/2007 |
| 7163622 | Filter The invention refers to a filter 1 with several rotating filter discs 3 mounted on a shaft 2 and which are provided with a porous filter medium. It is characterized by elastomer elements (8, 8′) being mounted on the shaft (2) as ... | 01/16/2007 |
| 7122121 | Advanced submerged membrane modules, systems and processes Advanced submerged membrane systems are provided. Said submerged membrane systems have multiple membrane modules comprising of strips of flat sheet membrane, bundles of self-support hollow fiber membranes braided together for reinforcement, tubular membranes, and br... | 10/17/2006 |
| 7067307 | Bioartificial device for the storage, cultivation and/or multiplication of cells The bioartificial reactor has a reactor vessel. A cell culture chamber in the reactor, in particular for liver cells, is divided off from a flow chamber for a nutritive medium and from a flow chamber for plasma and blood by semipermeable walls. At least one flow cha... | 06/27/2006 |
| 7024721 | Cleaning mat with a plurality of disposable sheets A cleaning mat system is designed for placement on a floor and for cleaning the undersides of shoes, feet, and other objects. The cleaning mat system includes a base with an upper surface and a lower surface interconnected by a perimeter edge. The perimeter edge inc... | 04/11/2006 |
| 6962654 | Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes A method and apparatus for supplying dissolved gases (such as oxygen, ozone, chlorine etc.) for chemical and biological processes is described. The methods and apparatus described are particularly suitable for use in the biodegradation of organic matter (such as in ... | 11/08/2005 |
| 6960294 | Apparatus for the separation of solids from liquids by dissolved gas floatation The present invention relates to methods and apparatus for separation of solids from liquids and separation of liquids from liquids (such as oil from water) by dissolved gas floatation. A dissolved gas floatation clarifier is described as is a liquid-gas mixer, a li... | 11/01/2005 |
| 6902672 | Open-channeled spiral-wound membrane module There is disclosed a spiral-wound membrane module design for various membrane filtration techniques having significantly reduced fluid flow resistance in the feed stream path. Specifically, the inventive spiral-wound membrane module is designed having a corrugated e... | 06/07/2005 |
| 6899810 | Fluid filtering device A fluid filtering device includes a plurality of filtering wells and an angling mechanism which adjusts the angle of the membranes within the filtering wells relative to a line of a centrifuge where the line is perpendicular to the axis of rotation of a centrifuge a... | 05/31/2005 |
| 6863821 | Shear-enhanced systems and methods for removing waste materials and liquid from the blood Systems and methods convey the blood through a gap defined between an inner surface that is located about an axis and an outer surface that is concentric with the inner surface. At least one of the inner and outer surfaces carries a membrane that consists essentiall... | 03/08/2005 |
| 6852231 | Spin-hemodialysis assembly and method Blood is purified by removing the whole blood from a patient and feeding the blood into a manifold in a centrifuge. A purifying chamber is formed in the centrifuge from a plurality of co-arcuately arranged modules. The blood is supplied from the manifold to each of ... | 02/08/2005 |
| 6808634 | Method and device for cross-flow filtration The invention relates to a process for cross-flow filtration with membranes. It is mainly characterized by the membranes being moved relative to each other. The invention also relates to a device for carrying out the process, where at least two hollow membrane discs... | 10/26/2004 |
| 6627080 | Flat membrane disk The rotary flat membrane disk is constructed in which circular membranes are stretched at both sides of a disk. The disk and the membrane are bonded to each other over the entire periphery by a peripheral bonding part, and they are also bonded to each oth... | 09/30/2003 |
| 6596164 | Rotary flat membrane separation apparatus The rotary flat membrane separation apparatus comprises: a plurality of hollow rotary shafts; a plurality of rotary flat membrane disks mounted on each of the plurality of hollow rotary shafts at regular intervals, the plurality of rotary flat membrane di... | 07/22/2003 |
| 6558545 | System for cross-flow permeation by means of a membrane The invention encompasses a system for the cross flow filtration of fluid media using membranes. The system has in a first embodiment two shafts, only one of which is hollow, with each shaft running through an axis of its given disc. The disc of each shaf... | 05/06/2003 |
| 6508943 | Filtering device and a filtering method The present invention refers to a filtering device comprising at least one filtering membrane, at least one counter surface opposite to the filtering membrane, and at least one gap-shaped liquid space formed between the filtering membrane and the counter ... | 01/21/2003 |
| 6491819 | Method and apparatus for filtering suspension of medical and biological fluids or the like An apparatus is disclosed for separating a suspension comprising at least two types of particles which are differently sized or shaped and in which the first type of particle may be deformable at a relatively lower force or faster rate than the second typ... | 12/10/2002 |
| 6471855 | Cassette with integral separation device A pneumatic pump manifold disposable system, configured as a cassette, is used for the purpose of red cell and plasma apheresis. The cassette integrates a separation device, manifold system, macro-aggregate filter, and five pumping chambers for the purpos... | 10/29/2002 |
| 6416665 | Filtration apparatus A filtration apparatus in which a rotating filter element is concentrically mounted in a hollow conical of cylindrical chamber. The filter element consists of a support and a membrane mounted on the support. Fluid enters the chamber through an inlet port ... | 07/09/2002 |
| 6132613 | Centrifugal reverse-osmosis desalination unit incorporating an annular membrane cartridge This invention relates to an apparatus for separating an original feed solution such as seawater into a product solution of decreased concentration (relatively fresh water) and an exhaust solution of increased concentration. The apparatus includes an annu... | 10/17/2000 |
| 6099730 | Apparatus for treating whole blood comprising concentric cylinders defining an annulus therebetween Apparatus for removing substances from blood is disclosed. The apparatus includes concentric cylinders defining an annulus therebetween with the inner cylinder adapted for rotation with respect to the outer cylinder. At least one of the cylinders includes... | 08/08/2000 |
| 6017454 | Centrifugal filtration onto membrane adsorbers A filtration unit for the separation of substances from liquids utilizes a rotatable cylindrical module with a permeable wall disposed within a housing. A filter element which has at least one band of microporous membrane adsorber having a specific adsorp... | 01/25/2000 |
| 5972217 | Blood cell separation devices having a membrane with particular coating Blood filtration devices and methods of filtering are disclosed. In part, a blood filtration device is provided comprising a housing defining an interior periphery. The device includes a rotating structure mounted within the interior periphery and definin... | 10/26/1999 |
| 5968355 | Apparatus for aseptic vortex flow concentration An apparatus is provided having a rotor inside a membrane for the aseptic vortex flow concentration of a liquid or semisolid dispersion which has a shed-resistant bearing interface so that unwanted bearing material does not contaminate the substances, e.g... | 10/19/1999 |
| 5925246 | Apparatus for aseptic vortex flow concentration An apparatus is provided having a rotor inside a membrane for the aseptic vortex flow concentration of a liquid or semisolid dispersion which has a shed-resistant bearing interface so that unwanted bearing material does not contaminate the substances, e.g... | 07/20/1999 |
| 5900142 | Mass and thermal transfer means for use in heart lung machines, dialyzers, and other applications The process, particularly useful in blood oxygenators, whereby a differential velocity between a fluid and a diffusing surface of hollow tubes by a rotating member such that the boundary layer is perturbed enhancing the coefficient of mass and thermal tra... | 05/04/1999 |
