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7635426 |
Tangential filtration housing
A filtration housing is disclosed. The housing includes: a first plate and a second plate, where the first plate and the second plate are configured to retain a filtration cassette; the second end...
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7625491 |
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...
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7621982 |
Liquid-gas separator for direct liquid feed fuel cell
A liquid-gas separator for a direct liquid feed fuel cell includes a tube having an opening portion at a sidewall thereof; liquid extracting members that selectively transmit the liquid in the tube...
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7611568 |
Liquid-gas separator for direct liquid feed fuel cell
A liquid-gas separator for a direct liquid feed fuel cell includes: a housing having an open hole; a gas extracting membrane that covers the open hole and transmits only the gas; a liquid...
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7604130 |
Flat membrane element and regeneration method thereof
To reuse support plate and to fix a membrane sheet by the same method both in a new product manufacturing and in regeneration. In a flat membrane element including a deposit fixed portion formed by...
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7591947 |
Porous membrane microstructure devices and methods of manufacture
A membrane microstructure device is disclosed. The membrane microstructure device includes a first glass, ceramic or glass-ceramic plate defining a first recess, a second glass, ceramic or...
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7575678 |
Portable water purification device
A portable water purification device includes a base, a fixed sleeve, a tube, a filtering unit, and a movable sleeve. The base includes a channel for providing filtered liquid. The fixed sleeve is...
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7569144 |
Device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and use thereof
The invention relates to a device for the separation of a fluid into at least two fractions, using a plurality of membrane filters, and to the use thereof. The inventive device comprises at least...
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7544176 |
Glaucoma implant having MEMS flow module with flexing diaphragm for pressure regulation
One embodiment of a MEMS flow module ( 34 ) includes a first plate ( 36 ) and a second plate ( 48 ) that are separated by a first link ( 62 ). A plurality of concentrically disposed, annular...
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7537327 |
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 surface(s) of the upper and/or lower substrates and/or in one or more...
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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.
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7517603 |
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...
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7470535 |
Static diffusion cell for diffusion sampling systems
A new design for a static diffusion cell for use in a diffusion sampling apparatus to be used in conjunction with automated or manual sampling is disclosed. The diffusion cell of present invention...
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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...
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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 (...
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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 )...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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.
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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 )...
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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...
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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...
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7105089 |
Liquid—liquid extraction system and method
A liquid-liquid extraction system including an outer chamber and an inner chamber. The outer chamber is adapted to contain one of a feed solution and a liquid extractant and defines a containment...
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H002168 |
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...
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7094346 |
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...
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7094347 |
Positively charged membrane
The present invention provides a positively charged microporous membrane having a protein binding capacity of about 25 mg/ml or greater comprising a hydrophilic porous substrate and a crosslinked...
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7059480 |
Continuous blood filtration apparatus
This invention provides a continuous blood filtration apparatus capable of filtering a plurality of blood samples continuous by using blood filter units to prepare plasma or serum samples in a...
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7052603 |
Single-use manifold for automated, aseptic transfer of soulutions in bioprocessing applications
Presteralized manifolds are provided which are designed for sterile packaging and single-use approaches. Disposable tubing and flexible-wall containers are assembled via aseptic connectors. These...
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6986428 |
Fluid separation membrane module
The present invention includes a membrane construction for selectively transferring a constituent to or from a fluid. The membrane construction includes a multi-layer fluid impermeable support...
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6916420 |
Wide passage cross-flow filter cassettes
An improved wide passage cross-flow filtration cassette is disclosed that incorporates an open mesh matrix retentate spacer that is dimensioned and oriented so as to improve flux and cause...
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6913153 |
Composite membrane
The invention relates to a composite membrane ( 1 ) consisting of a flat support body ( 2 ) comprising relative big through flow holes ( 3 ) and on which at least one separating layer is applied as...
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6913697 |
Nanostructured separation and analysis devices for biological membranes
The present invention provides a nanostructured device comprising a substrate including nanotroughs therein; and a lipid bilayer suspended on or supported in the substrate. A separation method is...
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6911148 |
Adsorptive membrane device for treating particle-laden liquid feeds
There is disclosed a device for the simultaneous separation of particles and target substances from liquid feeds by adsorption membranes having particle-passing apertures therein.
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6893563 |
Cross-flow filter with self-regulating transmembrane pressure
Cross-flow filters having improved uniformity in transmembrane pressures and consequent much greater flux are provided by the installation of barriers in permeate channels.
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6861000 |
Running method and washing method for spiral wound membrane element and spiral wound membrane module
A spiral wound membrane module comprises a spiral wound membrane element including a separation membrane having high back pressure strength. The flow rate of permeate in filtration of the spiral...
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6838003 |
Method and device for membrane filtering of water
The invention concerns a method for membrane filtering of water, characterized in that the filtering through membranes is performed by using as differential pressure source the water level in the...
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6837995 |
Device for concentrating and purifying macromolecules
A device for concentrating and/or purifying macromolecules in liquids is disclosed wherein the concentration/purification is accomplished by a membrane separating concentration and filtration...
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