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5980616 |
Filter media for preventing carbon migration
A filter includes a center layer of carbon cloth interposed between two layers of filter material whose edges are welded together to provide not only a filter edge substantially free of carbon...
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5972063 |
Air filtration arrangement and method
Constructions and methods are described for collecting particulate material from gas streams. In certain specifically described air filter arrangements, a first, rigid, filter construction is used...
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5972079 |
Supported carbogenic molecular sieve membrane and method of producing the same
Carbogenic molecular sieve devices comprising a porous support (e.g., a metal support) having a carbogenic molecular sieve membrane attached to one or more surfaces of the support so that small...
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5968214 |
Air cleaning apparatus for vehicles
An air cleaning apparatus for vehicles includes an ozone generator, diffusing plate, and activated charcoal filter, which are disposed sequentially from the upstream side of air flow in an air...
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5964926 |
Gas born particulate filter and method of making
Disclosed is an improved filter formed from a non-dielectric material which has been coated with a dielectric material and electret treated by, for example, DC corona discharge treatment. Also...
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5965091 |
Filled paper for gas filtration
The present invention relates to a filled paper for gas filtration, with a high adsorption and absorption capacity. This paper, consisting of cellulose fibers, is filled with organic and/or...
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5958098 |
Method and composition in which metal hydride particles are embedded in a silica network
A silica embedded metal hydride composition and a method for making such a composition. The composition is made via the following process: A quantity of fumed silica is blended with water to make a...
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5954862 |
Sample inlet liner
A sample inlet liner includes an internal surface barrier wherein the surface barrier is situated so as to circumvent undesirable reactions between the sample and the liner. The barrier surface...
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5951744 |
Multicomponent depth odor control filter and method of manufacture
A unique filtration device (10) which continuously removes gas phase contaminants from an air stream through the use of partially hollow wicking fibers (20) impregnated with a fine solid carbon...
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5951745 |
Environmentally benign, washable wet filter
A wet filter which will not foul washing facilities and plumbing systems, and which will not introduce harmful substances into the environment. The filtering element, which mayk be a resilient,...
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5948355 |
Air-purifying filter and air-purifier for automobile
An air-purifying filter includes a carrier base and a TiO 2 -Pd composite catalyst supported on the carrier base. CO in air treated by the filter is adsorbed onto the Pd surface and thus...
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5948257 |
Candle filter and method for making
The invention provides a high temperature, damage tolerant candle filter (4) made of a porous ceramic material which is designed so that, if it fails, it does not fail catastrophically. The ceramic...
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5938822 |
Solid electrolyte membrane with porous catalytically-enhancing constituents
A solid electrolyte ion transport membrane composite for separating a gaseous species from a gaseous mixture in which the composite has a dense matrix material and a porous coating. The dense...
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5935303 |
Electrostatic filter
An electrostatic filter includes a fibrous component including a mixture of wool and synthetic fibers and a resinous component including a perfluoroalkyl acrylate copolymer resin and a...
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5935284 |
Filter cartridge
A filter cartridge includes a cylindrical inner filter, and a removable and replaceable outer filter of media. The removable and replaceable filter includes more than one layer of media therein....
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5931987 |
Apparatus and methods for gas extraction
An apparatus (5) and methods for extracting a gas, especially hydrogen, from a fluid stream includes a pressure vessel (12) having an inlet (22) and at least one outlet (26) for allowing fluid flow...
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5914415 |
Vent filter member
Disclosed are a first vent filter member which includes: an elastomer member made of a thermoplastic elastomer to which a water-repellent film can be fixed by fusion and having a cylindrical form...
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5908480 |
Particulate trap for diesel engine
A particulate trap for use in a diesel engine which is inexpensive, and which is high in particulate trapping efficiency, regeneration properties and durability, and low in pressure loss due to...
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5904754 |
Diffusion-bonded palladium-copper alloy framed membrane for pure hydrogen generators and the like and method of preparing the same
A hydrogen-selective thin Pd/40% Cu membrane as for use as a wall connecting high and low pressure chambers of a hydrogen generator, comprising the foil having its edge area diffusion-bonded to a...
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5891402 |
Catalyst retaining apparatus and use in an ozone filter
The present invention is an improved apparatus and method for using a catalyst to remove contaminants from a fluid stream. Catalytic particles are enmeshed within a highly porous expanded...
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5891207 |
Engine intake-air filter apparatus
An air filter apparatus for engine intake-air in which a filter support member is stretched in a filter attaching frame of an outer frame structure member, and filter is supported on the filter...
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5888274 |
Triboelectric property modification and selection of fabrics for filtration applications
A method is provided for specifying and altering the electrical properties of fibers and fabrics. This allows the prescription of filter media prepared from these constituents for consistently...
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5885453 |
Device for the physicochemical separation of constituents of a fluid
Apparatus for physicochemical separation and filtering constituents of fluids having a flexible leak-tight or semipermeable casing which tightly envelopes a filter material and inlet and outlet...
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5886061 |
Polymers capable of reversibly complexing acid gases and foamed polymers produced therefrom
Polymers capable of reversibly complexing carbon dioxide and other acid gases and a method of producing such polymers are disclosed. In a preferred embodiment, the present polymers incorporate...
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5876537 |
Method of making a continuous ceramic fiber composite hot gas filter
A ceramic fiber composite structure particularly suitable for use as a hot gas cleanup ceramic fiber composite filter and method of making same from ceramic composite material has a structure which...
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5876489 |
Germ-removing filter and apparatus for maintaining sterile room under sterile condition
A germ-removing filter includes a filter substrate, and an antimicrobial material dispersedly mixed into the filter substrate. The antimicrobial material is antimicrobial fiber bonded with silver...
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5873999 |
Sieving and filtration screen
A sieving screen or filtration screen, and processes for producing the same, featuring the use of a flexible, chemical resistant, intermittent, polymeric coating as an edging material and/or for...
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5874052 |
Antimicrobial filter for use in electrocautery or laser surgery
The present invention includes a filter, 10, for purifying smoke plume generated from electrocautery or laser surgery. The filter includes a pre-filter, 11, for filtering gross particulate; a first...
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5871557 |
Mist collector cartridge
A mist collector cartridge for collecting airborne liquids, and more particularly, a filter media having vertically oriented interconnected pleats treated with a low surface energy material to...
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5871569 |
Filter material
An open-pore polyurethane foam support body (20) is impregnated in a single step with a solution of a thermoplastic adhesive dissolved in a solvent that is also a foam expander, or in two...
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5869009 |
Filter device
A filter device filters contaminants from air for magnetic disk drive systems. The filter has layers of permeable fabric material allowing flow through the filter. An adsorptive slurry is deposited...
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5863317 |
Apparatus for gas liquid separation
An apparatus for separating a gas-liquid mixture into component parts having a coalescing filter mounted on a rotatable shaft. The gas-liquid mixture is directed to the coalescing filter in a...
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5863311 |
Particulate trap for diesel engine
A particulate trap for a diesel engine use which is less likely to vibrate or deform under exhaust pressures and achieves good results in all of the particulate trapping properties, pressure drop,...
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5846641 |
Multi-layer membrane composites and their use in hydrocarbon partical oxidation
The present invention discloses a mixed ionic electronic conductor membrane comprising a dense layer sandwiched between two porous layers. Furthermore the invention discloses the application of...
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5843198 |
Air filter
An air filter for providing a reusable frame and disposable filter media. The air filter includes a frame defining a channel into which a filter medium is removably received and replaceable with...
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5840245 |
Air filter amd method for reducing the amount of microorganisms in contaminated air
Described is a method for reducing the amount of microorganisms in contaminated air in which a fiberglass containing air filtration media is provided which contains an antimicrobially effective...
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5830414 |
Air cleaning filter
An air cleaning filter having a carrier made of activated carbon fibers in the form of a web which supports at least one kind of chemical agent selected from the group consisting of (a) an alkali...
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5829139 |
Method for forming a reactive medium
A method for forming a reactive medium for removing homogeneous and heterogeneous impurities from a fluid is provided. The method includes forming a uniform oxide layer, depositing at least one...
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5820644 |
Air filter
An air filter suitably usable in an air cleaner, room air-conditioner or especially in car air-conditioners in which air is driven at a high speed. The air filter is made of a pleated polyurethane...
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5820645 |
Pleatable nonwoven composite article for gas filter media
A composite nonwoven fabric suitable for undergoing pleating to form filtration media includes two nonwoven fabric layers which are adhesively bonded. One layer is an air permeable nonwoven web of...
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5817165 |
Fluorine-containing polyimide gas separation membrane and method of manufacturing the same
A fluorine-containing polyimide gas separation membrane which is pinhole-free, uniform over a large area, and has a high permeability and a high separation factor α is provided. A polyimide resin...
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5814133 |
Treatment of gas streams
A closed hollow filter canister having gas-impermeable end walls (94, 96) and a gas-permeable side wall (100). Gas contaminated with liquid is sprayed under pressure through line (90) and...
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5810912 |
Composite hollow filamentary film of porous ceramics and process for producing the same
A composite porous ceramic hollow fiber obtained by dipping a porous ceramic hollow fiber into a carbon precursor-forming solution, picking up and drying the dipped porous ceramic hollow fiber,...
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5807424 |
Regenerative adsorption filter bed for exhauster hoods
An odor filter for exhauster hoods, which filter includes an adsorption filter bed regenerable by washing. The filter bed is made of a highly air-permeable substrate material and an adsorbent...
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5792229 |
Filter and filtering apparatus
A filter corrugated in wave shape along a first axis has an end filter material piece positioning at an end of the first axis and adjacent filter material piece positioning adjoining to said end...
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5792711 |
Antiwetting composition for fabrics and fibrous substrates
The invention covers an antiwetting composition for imparting hydrophobic properties onto fabrics and fibrous substrates, as well as a method for producing a hydrophobic article. The composition of...
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5792244 |
Packing block with high adsorption capacity for gaseous effluent purification device
The invention relates to a packing block made by alternately stacking thin corrugated plates (P1, P3) with a first elongation direction (X1), thin corrugated plates with a second elongation...
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5783080 |
Plate filter with high odor and toxin removing and water absorbing capacity and its manufacturing processes
A plate fiber with high odor and toxin removing and water absorbing capacity and its manufacturing processes includes a catalyzer I such as hydrochloric acid, a catalyzer II such as formalin, a...
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5782959 |
Process for preparing a composite inorganic membrane for hydrogen separation
The present invention relates to a process for preparing a composite inorganic membrane for hydrogen separation, more specifically, to a process for preparing a composite inorganic membrane for...
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5779267 |
Airbag inflator with components protected from high-temperature, reactive generated gases
Components of a vehicle airbag gas generator, or inflator, are coated with reactivity resistant materials to protect them from deterioration caused by contact with the high temperature, reactive...
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