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| Number | Title | Issue Date |
| 8114289 | Method and apparatus for microfiltration to perform cell separation A microfiltration apparatus and method for separating cells, such as circulating tumor cells, from a sample using a microfiltration device having a top porous membrane and a bottom porous membrane. The porous membranes are formed from parylene and assembled using mi... | 02/14/2012 |
| 8057672 | Disposable multi-layered filtration device for the separation of blood plasma Provided is a disposable multi-layered filtration device for the separation of blood plasma which can be applied to a biochip and appropriate for disposal uses. The filtration device for the separation of blood plasma includes: an upper substrate including a blood i... | 11/15/2011 |
| 7416884 | Bioreactor and methods for tissue growth and conditioning A bioreactor and methods of using same for making tissue constructs and for conditioning tissue-engineered constructs and harvested tissues such as cryopreserved tissues. The bioreactor allows for static and dynamic culture/conditioning. The bioreactor is dual chamb... | 08/26/2008 |
| 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 |
| 7384550 | Glaucoma implant having MEMS filter module Various MEMS filter elements or modules are disclosed, and which may be used in a glaucoma implant (490). One such MEMS filter module (34) includes a first film (70) and a second film (46) that are spaced and interconnected by a plurality... | 06/10/2008 |
| 7374929 | Device for microbiological examination of a sample of liquid under pressure This concerns a device whose filtering membrane (4) is gripped annularly at the periphery between an annular transverse wall (32) forming part of a drainage body and an axially oriented cylindrical wall (9) of an intake body, which lateral wall ... | 05/20/2008 |
| 7371322 | Filtration system and dynamic fluid separation method A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. The filtration system may include one or more porous membranes which are anchored or secured on their periphery with a large open work... | 05/13/2008 |
| 7347942 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 03/25/2008 |
| 7344576 | Conditions for fluid separations in microchannels, capillary-driven fluid separations, and laminated devices capable of separating fluids Methods of separating fluids using capillary forces and/or improved conditions for are disclosed. The improved methods may include control of the ratio of gas and liquid Reynolds numbers relative to the Suratman number. Also disclosed are wick-containing, laminated ... | 03/18/2008 |
| 7335312 | Centrifuge with combinations of multiple features A centrifuge with combinations of multiple features is disclosed. In one aspect, a centrifuge for removing more dense material from a fluid medium includes a fluid separation wall placed within a sleeve. The fluid separation wall rotates around the axis of rotation.... | 02/26/2008 |
| 7320750 | Centrifuge with controlled discharge of dense material A centrifuge with controlled discharge of dense materials disclosed. A centrifuge includes a fluid separation wall placed within a sleeve to form a containment zone therebetween. The fluid separation wall aligns and rotates parallel to an axis of rotation. A recepta... | 01/22/2008 |
| 7318972 | Hydrophilic polymers and their use in electrochemical cells A hydrophilic cross-linked polymer obtainable by copolymerization of hydrophobic and hydrophilic monomers that give a cross-linked hydrophilic polymer on polymerization; a monomer including a strongly ionic group; and water is useful as the membrane in an assembly t... | 01/15/2008 |
| 7311832 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes comprising microporous polymer membranes in which adsorbent particles are incorporated. Furthermore, the present invention relates to a method of producing the inventive adsorption membranes as well as devices wh... | 12/25/2007 |
| 7311831 | Filtration membrane and method of making same A filtration membrane and method of making the same wherein the filtration membrane comprises obstructions and/or spacers. ... | 12/25/2007 |
| 7303681 | Dynamic membrane wafer assembly and method A method for separating aromatic hydrocarbons from a feed stream. The method includes flowing the feed stream through a first channel within a first wafer assembly that may contain an underflow distribution weir. Next, the feed stream is exposed to a first thin film... | 12/04/2007 |
| 7297269 | Cross-flow filtration cassettes and methods for fabrication of same This invention relates generally to filtration cassettes, and, more particularly to methods of fabricating cross-flow filtration cassettes. Cassettes of the invention are characterized, in part, by a series of sealing channels which selectively seal the filtrate and... | 11/20/2007 |
| 7294274 | Filtration system with enhanced cleaning and dynamic fluid separation A filtration system is provided with filter media operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and sonic energy may be used to clean associated filter media to allow substantially continuous filtration of proc... | 11/13/2007 |
| 7282362 | Tray with protrusions A feeding tray for retaining a liquid nutrient liquid is provided for use with a multiwell filter plate. The feeding tray includes a flat support surface surrounded by walls which retain liquid on the support surface. The flat support surface includes protrusions po... | 10/16/2007 |
| 7282147 | Cleaning hollow core membrane fibers using vibration A filtration system is provided with hollow membrane filter elements operable to remove solids, particulate and colloidal matter from a process fluid. Acoustic, vibration and ultrasonic energy may be used to clean exterior portions of the hollow membrane filter elem... | 10/16/2007 |
| 7279134 | Microfluidic devices with porous membranes for molecular sieving, metering, and separations Microfluidic devices with porous membranes for molecular sieving, metering, and separation of analyte fluids. In one aspect, a microfluidic device includes a substrate having input and output microfluidic channel sections separated by a porous membrane formed integr... | 10/09/2007 |
| 7268646 | Temperature controlled MEMS resonator and method for controlling resonator frequency There are many inventions described and illustrated herein. In one aspect, the present invention is directed to a temperature compensated microelectromechanical resonator as well as fabricating, manufacturing, providing and/or controlling microelectromechanical reso... | 09/11/2007 |
| 7264724 | Fluid path control element for fluid processing module A fluid path control element which when stacked alternatively with a fluid porous sheet can be formed into a filtration module. The fluid path control element comprises a porous membrane having sealed to a portion of its periphery a thermoplastic element that extend... | 09/04/2007 |
| 7226540 | MEMS filter module Various MEMS filter elements or modules are disclosed. One such MEMS filter module (34) includes a first film (70) and a second film (46) that are spaced and interconnected by a plurality of supports (78). A plurality of first flow ports ... | 06/05/2007 |
| 7223342 | Adsorption membranes, method of producing same and equipment, including the adsorption membranes The present invention relates to adsorption membranes, comprising microporous polymer membranes into which are incorporated porous silicon dioxide particles modified with hydrocarbon ligands having 2 to 24 carbon atoms as adsorbent particles. Furthermore, the presen... | 05/29/2007 |
| 7214316 | Apparatus containing phosphate selective resin An apparatus containing crosslinked polymer for binding phosphate anions is provided, the polymer comprises a polyvalent cation attached to the polymer through at least one covalently bound anionic functional group, and wherein the anionic group is selected from a g... | 05/08/2007 |
| 7211923 | Rotational motion based, electrostatic power source and methods thereof A power system includes a member with two or more sections and at least one pair of electrodes. Each of the two or more sections has a stored static charge. Each of the pair of electrodes is spaced from and on substantially opposing sides of the member from the othe... | 05/01/2007 |
| 7201846 | Micro-fluidic anti-microbial filter An anti-microbial filter (105) for a micro-fluidic system (100) includes a silicon-based filter membrane (213) having holes (218) formed therein. The membrane (213) is formed on a substrate (211). One side of the filter memb... | 04/10/2007 |
| 7198759 | Microfluidic devices, methods, and systems Microfluidic assemblies, systems, and methods are provided for manipulating fluid samples. Assemblies include an elastically deformable cover layer and a less elastically deformable substrate. The methods include deforming the substrate through the cover layer so th... | 04/03/2007 |
| 7198721 | Cyclic aeration system for submerged membrane modules An aeration system for a submerged membrane module has a set of aerators connected to an air blower, valves and a controller adapted to alternately provide a higher rate or air flow and a lower rate of air flow in repeated cycles. In an embodiment, the air blower, v... | 04/03/2007 |
| 7175762 | Nanocarpets for trapping particulates, bacteria and spores A nanofeature particulate trap comprising a plurality of densely packed nanofeatures, such as nanotubes, and a particulate detector incorporating the nanofeature particulate trap are provided. A method of producing a nanotrap structure alone or integrated with a par... | 02/13/2007 |
| 7172076 | Internal die filters with multiple passageways which are fluidically in parallel An internal filter includes a lower substrate and an upper substrate. Fluid passages are formed by etching grooves into the surfaces(s) of the upper and/or lower substrates and/or in one or more intermediate layers. The filter pores extending between the fluid passa... | 02/06/2007 |
| 7153424 | Apparatus for purifying water An apparatus for purifying water, that includes a frame, in connection with which is arranged a primary space for water to be filtered, secondary space for filtered water and a filter. The filter is arranged to filter water, that is driven by gravity from the primar... | 12/26/2006 |
| 7153425 | Process and filter for filtering a slurry The present invention comprises a process for filtering a slurry and a filter cartridge construction for filtering a slurry having a filtration medium formed of a depth filter such as a cylindrical seamless fibrous depth filter comprising a nonwoven fibrous mass, wo... | 12/26/2006 |
| 7148060 | Feeding tray for multiwell test apparatus A feeding tray for retaining a nutrient medium is provided for use with a multiwell filter plate. The feeding tray includes an inclined support surface surrounded by walls that retain nutrient medium on the support surface. The support surface is inclined away from ... | 12/12/2006 |
| 7143900 | Separation device and method of making the same A separation device, such as a filter or separation line apparatus, and method of making the same. ... | 12/05/2006 |
| 7135114 | Filtration device In a filtration device (1) comprising a pressure-resistant housing (2) with a liquid inlet opening (3) and an outlet opening (4) for filtered matter, into which a collecting channel (12) terminates, at least one filter element (... | 11/14/2006 |
| 7125493 | Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters The present invention relates to the field of synthetic polymeric microfiltration membrane materials that are fabricated to separate liquids from solids contained therein. One aspect of the invention relates to a highly asymmetric, hydrophilic microfiltration membra... | 10/24/2006 |
| 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 |
| 7108791 | High-resolution virus removal methodology and filtration capsule useful therefor The present invention provides a high-resolution membrane-based method for removing a virus from a manufactured protein-containing solution, the method being particularly characterized by its capacity to be performed quickly (i.e., as measured by flux) and efficient... | 09/19/2006 |
| 7108056 | Slit-type restrictor for controlling flow delivery to electrohydrodynamic thin film evaporator Cooling means for a heated surface comprising an enclosure for enclosing the heated surface and two oppositely charged interleaved radial arrays of microelectrodes positioned on the surface within the enclosure. The combined arrays have a closely spaced end and a pe... | 09/19/2006 |
