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7390343 |
Drinking water filtration device
The invention is a device for purifying drinking water that has at least one fibrous structure. Preferably, there is an upstream and downstream fibrous structure. Each fibrous structure is a...
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7361272 |
Anisotropic porous material
The present invention is to provide an anisotropic porous material for a fluid filter which can perform a separation process of a large amount of fluid with high accuracy, which can achieve high...
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7357868 |
Nanocrystal-containing filtration media
The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The...
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7329311 |
Porous sintered composite materials
The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle...
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7316780 |
Range separation devices and processes
Separation device comprising a feed channel including a shear region, permeate passage(s) extending perpendicular to the direction of the feed flow and a porous medium positioned between the shear...
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7316323 |
Filters having improved permeability and virus removal capabilities
A filter block having a permeability of greater than about 3.0*10 −9 cm 2 , and a F-VLR of greater than about 99% is provided. The filter block may be made of filter particles having a median...
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7311752 |
Electrostatic air filter
The invention is a filter for gaseous media in which nano alumina fibers and second fibers are arranged in a matrix to create asymmetrical pores. The filter is a high efficiency, high capacity...
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7306642 |
High CTE reaction-bonded ceramic membrane supports
A porous ceramic support for a gas separation membrane formed by sintering a green body containing grains of a refractory ceramic oxide with a high coefficient of thermal expansion and grains of a...
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7297271 |
Titanium powder sintered compact
Provided are a porous sintered compact suitable for a filter, a power feeder in a polymer electrolyte membrane type water electrolyzer, a current collector in a solid polymer fuel cell and in...
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7297263 |
Efficient water filters
Water treatment devices that include filtration media with specified grain size distributions are provided. In one arrangement, the device contains a volume of grains such that between about 1 and...
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7288199 |
Ceramic filter and method for purifying water
A ceramic filter is provided including a substrate, a separation layer comprising titania and having an average pore size in a range of 0.08 to 1 μm and a thickness in a range of 5 to 20 μm, and...
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7285214 |
Honeycomb structure and method of manufacturing the same
There are disclosed a honeycomb structure which is preferably usable as a filter, for example, for trapping particulates in an exhaust gas of an internal combustion engine, boiler or the like or...
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7276163 |
Membrane devices with controlled transmembrane pressure and method of use
A crossflow membrane device that receives a feedstock at a feed end face and separates the feedstock into permeate and retentate. The device has a membrane support containing at least one monolith...
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7264726 |
Nanocrystal-containing filtration media
The invention relates to filtration media having nanocrystals of metal oxides, encapsulated in or impregnated into a binder matrix, which binds together particles of activated carbon. The...
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7261813 |
Monolithic structures comprising polymeric fibers for chemical separation by liquid chromatography
Monolithic cartridges including a plurality of nominally aligned polymer fibers can be used as stationary phase materials for liquid chromatography separations. Bundles of fibers are packed...
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7258784 |
Solid liquid filtration apparatus and method
A method and system for separating a particulate contaminate from a contaminated liquid medium involves filtering the contaminated liquid medium with a filter element having an afflux surface made...
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7208081 |
Gutter foam filter
The gutter foam filter elements are generally triangular, four-foot lengths of flexible plastic open-cell foam material placed in and extending the full length of a conventional “K” type or...
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7201841 |
Composite materials for fluid treatment
This invention relates generally to composite materials and to devices which may alter fluid parameters. Devices incorporating the composite materials of the invention are used to deliver, remove,...
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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...
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7169213 |
Multi-channel cross-flow porous device
A multi-channel modular device ( 10 ) processes between two fluid streams of different compositions. The device ( 10 ) includes a porous body ( 150 ) having a first plurality of feed-flow pathways...
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7140495 |
Layered sheet construction for wastewater treatment
Described is an apparatus for the removal of organic substances and/or nitrogen sources from an aqueous medium by exposing the aqueous medium to the action of microorganisms supported on a gas...
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7138084 |
Refractory articles
A filter for molten metal is an open-pored porous material comprising particles of refractory material embedded in and bonded together by a carbon matrix bonding material. The filter can be made by...
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7132046 |
Stainless steel tubing/frit with sintered inorganic particle, the chromatography comprising it, and their manufacturing method
This invention is about metal tubing/frit applicable in liquid chromatography and a chromatography column manufactured by using the same. In detail, this invention is about manufacturing the metal...
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7118712 |
Non-planar chemical preconcentrator
A non-planar chemical preconcentrator comprises a high-surface area, low mass, three-dimensional, flow-through sorption support structure that can be coated or packed with a sorptive material. The...
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7114621 |
Membrane module elements
A layered sheet construction contains at least one gas permeable, liquid water impermeable layer, and a gas delivery layer formed of a corrugated sheet proximate the gas permeable, water...
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7112237 |
Porous sintered composite materials
The present invention is directed to porous composite materials comprised of a porous base material and a powdered nanoparticle material. The porous base material has the powdered nanoparticle...
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7112234 |
Composite porous media
A composite porous media for either gas or liquid flow is strong and efficient, and can readily be formed in or into a wide range of different shapes and configurations. In particular, the porous...
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7094338 |
Method of making and using a filter in the form of a block of agglomerated copolymer fragments
One of the exemplary filter systems described includes a bracket and a filter module that can be suspended from the bracket by a plurality of flexible supports. The bracket can support the filter...
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7090779 |
Manually operable water purifying device
A manually operated water purifying device which includes a manually moveable operating member that pumps unpurified water into a conduit where it is exposed to purification by an electrically...
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7086536 |
Fluid filtering device with scraping element
A fluid filtering device includes a housing, a driving device, a filter and a scraping device. The housing has a top portion, a wall portion downwardly extending from the periphery of the top...
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7081201 |
Encapsulated filter cartridge
An encapsulated filter cartridge is disclosed, which includes a filter assembly including a carbon block filter element and a microporous filter element. The filter cartridge has a permanently...
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7025212 |
Plasma- or serum-collecting device
A plasma- or serum-collecting device with simple structure and easy to handle is provided. The device comprises a vacuum blood drawing tube accommodating a blood-filtering unit, wherein the vacuum...
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7017757 |
Mechanically stable, porous shaped activated carbon article and filtering system
The invention relates to a mechanically stable, porous shaped activated carbon article having a first three-dimensional framework structure based on carbonized resin, a second three-dimensional...
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6991737 |
Filtering method
A filtering method including the steps of preparing a water purifying apparatus 1 with a cell structure 2 having units for constituting cell structure 4 , and a cap portion 3 , and making raw...
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6989266 |
Concrete product containing a mixture of bacillus microbial cells
A cement paste containing microbial cells which has a sustained effect and an excellent function of purifying water. This cement paste contains a mixture of Bacillus subtilis, Bacillus...
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6986843 |
Water purifier
Water purifier includes a container having a room, a filtering material disposed in the room for purifying water for catching particles and fungi such as polio viruses. The filtering material is a...
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6986429 |
Anti-microbial porous component formed of a polymer material grafted with ammonium units
The invention concerns an anti-microbial porous part based on a polymeric material grafted at the surface and in its volume with ammonium motifs with anti-microbial and/or bactericidal and/or...
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6978901 |
Ceramic multilayer filters and method for producing the same
The invention relates to the area of ceramics and to ceramic multilayer filters, such as used for separating gases. The invention provides ceramic multilayer filters which are more economical to...
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6957743 |
Microbiological water filter
A method and device for the filtration and/or purification of fluids water or other solutions containing microbiological contaminants, such as fluids containing including bacteria and/or viruses,...
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6911146 |
Removable filters and water heating vessels incorporating such
A filter ( 10 ) for use in a water heating vessel, such as an electric kettle, to filter sedimentary material in the water includes a scale collector ( 25 ), for example in the form of a compacted...
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6905598 |
Porous grog composition, water purification device containing the porous grog and method for making same
A porous grog with a body composition of water, clay and combustible material. Further, an earthenware water purification filter utilizing the porous grog in the body composition of the filter. A...
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6893564 |
Shaped bodies containing metal-organic frameworks
The present invention relates to a novel class of shaped bodies containing metal-organic frameworks. Said metal-organic frameworks comprise at least one metal ion and at least one at least...
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6892892 |
Frustum filter used for separation of cation and anion exchange resins
A frustum filter used for separation of cation and anion exchange resins, which is used in condensate water polishing system or apparatus, wherein said frustum filter comprises a microporous...
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6890437 |
Waste processing and recovery system
A waste disposal and recovery system for disposal of expanded polystyrene foam and recovery of a usable resin. The system includes a first tank and a second tank in flow communication. Within the...
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6889852 |
Layered filtering structure
A layered filtering structure ( 10 ) comprises at least a first layer ( 12 ) and a second layer ( 13 ). Each layer comprises a web of metal fibers which has been sintered. The two layers ( 12, 13 )...
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6872301 |
High shear rotating disc filter
A high shear rotating disc filter having a hollow interior and constructed of a porous material such as sintered metal or ceramic with finely structured openings. The disc is mounted and secured...
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6861002 |
Reactive compositions for fluid treatment
A method and device for the chemical conversion, filtration and/or purification of fluids water or other solutions containing microbiological and chemical contaminants, such as fluids containing...
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6849181 |
Mullite-aluminum titanate diesel exhaust filter
The invention is directed at a mullite-aluminum titanate porous diesel particulate filter constituting a porous ceramic body containing, expressed in terms of weight percent of the total body, of...
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6838005 |
Nanosize electropositive fibrous adsorbent
Aluminum hydroxide fibers approximately 2 nanometers in diameter and with surface areas ranging from 200 to 650 m 2 /g have been fount to be highly electropositive. When dispersed in water they are...
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6838004 |
Nanopore reactive adsorbents for the high-efficiency removal of waste species
A nanoporous reactive adsorbent incorporates a relatively small number of relatively larger reactant, e.g., metal, enzyme, etc., particles ( 10 ) forming a discontinuous or continuous phase...
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