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7323035 |
Dehumidifying device
A dehumidifying device for absorbing water vapour from ambient air comprising a container having an opening to permit water vapour to enter the container, the container having a water-absorbing...
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7285156 |
Inline, point-of-use air/gas dryness indicator
A low-profile dryness indicator for point-of-use operation in an air/gas line delivering compressed air or gas to an air/gas-driven tool. The apparatus includes a vessel having a first end, a...
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7153345 |
Sulfur oxide adsorbents and emissions control
High capacity sulfur oxide absorbents utilizing manganese-based octahedral molecular sieve (Mn—OMS) materials are disclosed. An emissions reduction system for a combustion exhaust includes a...
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7018448 |
Gas cabinet including integrated effluent scrubber
A gas cabinet assembly for dispensing of gas to a process facility such as a semiconductor manufacturing tool. A purge gas dry scrubber is integrated with the gas flow circuitry and a venturi pump...
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6997975 |
Universal pan lid absorbing and filtering steam and smell
A universal pan or pot lid is disclosed, absorbing and filtering steam and smell with the optional aid of a sucking fan. This lid preferably of transparent material is provided with a filter...
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6979361 |
End of service life indicator for fluid filter
An end of service life indicator (ESLI) device for a fluid filter is included on the filter and visually indicates when the life of the filter has expired. The ESLI indicates the depletion of the...
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6908502 |
Deodorizer mounting
A deodorizer mounting for engagement into a wall-mounted electrical outlet box including an adsorber unit for removing gases and odors from the ambient atmosphere, a generally L-shaped bracket...
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6890373 |
Adsorbents, process for producing the same, and applications thereof
An adsorbent includes core particles containing an adsorbing material; a porous coating layer including a polymer material that coats the core particles; and an underlying layer containing a metal...
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6742355 |
Receiver-drier for use in an air conditioning system
The invention relates to a receiver-drier for use in an air conditioning system. This receiver-drier has (a) a lower portion defining a lower chamber in the receiver-drier; (b) an upper portion...
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6716276 |
Desiccant system
A desiccant system in which a body of water-vapor-adsorbing desiccant material is sealed in a bag which is permeable to water vapor, but not to liquid water or particulates. A humidity indicator is...
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6689194 |
Fuel cell system having a replaceable getter element for purifying the fuel supply
Oxides of carbon and other impurities are removed from a hydrogen fuel supply stream ( 12 ) for a fuel cell ( 30 ). A getter element ( 20 ) sufficient for chemisorbing the oxides of carbon from the...
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6663679 |
High intensity, non-reversing humidity indicator
The invention is a device for monitoring humidity, comprising a first layer, which is a visual indicator, a second layer covering and obscuring the first layer, with the second layer comprising a...
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6623549 |
Dye wafer retention in a desiccant container
A desiccant containing cartridge ( 10 ) has a cap ( 12 ) and a generally cylindrically cross-sectioned cup ( 14 ) for holding desiccant particles ( 16 ) and a dye wafer ( 18 ). The cup ( 14 )...
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6533839 |
Visual differentiation of adsorbent-loaded media
There is provided a three-dimensional adsorbent particle filter having a width, depth and at least one exposed outer face. The filter comprises darkly colored adsorbent particles having an L-value...
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6497756 |
Service life indicator for respirator cartridge
A rotationally adjustable respirator cartridge having a self-contained end of service life indicator adjacent the interior of a sidewall of the cartridge shell and in contact with the filter medium...
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6464760 |
Ultraviolet air purifier
The invention relates to a portable air sterilization and filtration apparatus for removing contaminants from the ambient atmosphere, having a housing with an inlet opening and an outlet opening,...
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6432176 |
Device for storing compressed gas
A closed storage reservoir has at least one feed and discharge line for compressed gas and, in its interior, a gas flow control system which connects the feed and discharge line to a solid filling...
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6346143 |
Odor adsorptive filter for refrigerators and freezers
An odor adsorptive filter for use in refrigerators, freezers, and/or other cold storage units, is removably securable to one of the interior walls or panels of the unit and adsorbs odoriferous...
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6296693 |
Life cell
A life cell for use in a disaster and a filtration system utilized with such a life cell. The life cell includes a contaminant detector, for detecting the presence of a contaminant in a volume of...
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6224651 |
Process from separation of a gas mixture by pressure swing adsorption and plant for its implementation
A process for separation of a gas mixture by pressure swing adsorption, in which a pressure swing cycle comprising a sequence of steps which define adsorption, decompression/regeneration and...
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6162281 |
Device and process for displaying the exhaustion of a gas filter
A device for displaying the exhaustion of a gas filter filled with an adsorbent (3). A toxic gas detector (14) determines the toxic gas content at a sampling site (8) within the adsorbent (3). A...
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6152990 |
Device for removing and retaining volatile compounds and method of employing the same
Device and method for removing volatile compounds from a gas stream, the device including a material which is capable of removing and retaining the volatile compounds while displaying a visible...
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6146449 |
Reusable canister for a gas mask
A method for manufacturing a gas mask canister using a HEPA filter media having plastic separating plates inserted into between HEPA filter media at certain intervals. The HEPA filter, impregnated...
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6139609 |
Container of a drying system containing adsorption medium
An advantageous configuration of an adsorption medium in a drying plant is described. At least one cartridge containing the adsorption medium for a gas to be dried is removably disposed in a...
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6110261 |
Chamber with drier
A chamber with drier comprises a clean chamber communicating with the outside environment through an orifice equipped with a detachable antechamber filled with desiccant granulates. The chamber...
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6059860 |
Sorptive articles
A sorptive article is provided. The sorptive article includes a polyolefin, a wax which is miscible with the polyolefin at the melt temperature of the polyolefin but phase separates on cooling of...
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6001151 |
Filter assemblies
A filter cell for use as all or as part of a filter panel includes an upper face 1 and a lower face 2. The upper face 1 and lower face 2 includes a set of parallel ribs 3 interconnected across one...
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5944873 |
Device for removing one or more undesirable or dangerous substances from a gas or vapor mixture and a gas mask comprising such a device
The invention relates to a device for removing one or more undesirable or dangerous substances for the human race from a gas or vapour mixture, the device comprising: a predetermined amount of...
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5766312 |
Adsorbents composed of inorganic oxides modified with organic dyes
Particulate adsorbents composed of inorganic oxides impregnated with an indicator dye selected from the group consisting of phenolphthalein, cresol red and thymol blue; a method for the production...
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5685895 |
Air cleaning apparatus used for an exposure apparatus
A chemical filter for removing a chemical impurity is arranged at an air inlet, and a gas sensor for adsorbing the chemical impurity is arranged upstream of the chemical filter. The service life of...
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5667566 |
Apparatus for water vapor removal from a compressed gas
A moisture removal device for compressed gas lines and the like includes a connection head having a gas inlet and a gas outlet. An elongated housing having an internal cavity is attached to the...
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5660605 |
Window fan
A window fan incorporating a filter. The fan has a low, flat profile for fitting in a window while occupying limited viewing area of the window. The fan includes laterally projecting extensions for...
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5616158 |
Moisture absorbing media filter
A moisture absorbing media filter includes a housing into which a moisture absorbing material is placed, an end cap fabricated from a clear plastic fits over the housing, exhalations pass through...
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5593482 |
Adsorbent assembly for removing gaseous contaminants
An adsorbent assembly is provided for removing gaseous contaminants from an enclosure having an adhesive layer, an adsorbent layer and a filtering layer. An exterior mounted assembly is also...
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5593481 |
Activated carbon air purifier
The air purifier is used in a forced air heating and cooling system. It includes a cabinet assembly having therein a removable adsorber media carrier assembly. The carrier assembly includes a...
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5593477 |
Gas and odor absorber
A device for removing odors and undesirable gases from ambient air comprising an absorbent material enclosed in a tubular shaped container designed to encourage flow of the ambient gases through...
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5575832 |
Regenerative hygroscopic filter and method
A regenerative hygroscopic filter having a housing containing an inlet port and an outlet port, and, a hydrophilic filter element positioned within the housing and disposed between the inlet and...
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5563330 |
Method and device for measuring the concentration of a detector gas in a measuring gas containing an interfering gas
A concentration of a detector gas in a measuring gas containing an interfering gas is measured. A zero gas that is free of the detector gas and/or a test gas having a known concentration of the...
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5529841 |
Hydrogen sulfide analyzer with protective barrier
A field test kit for determining quantity of hydrogen sulfide in a liquid st sample. The test kit includes a test container with an opening for a liquid test sample containing hydrogen sulfide gas...
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5529609 |
Air cleaner having a three dimensional visco-elastic matrix of material
An air cleaner comprises a cleaning element having a three-dimensional visco-elastic matrix of material for adsorbing airborne particulate matter and for absorbing volatile liquids and a variety of...
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5496393 |
Gas purification capability measuring method for gas purification apparatus and gas purification apparatus
A gas purification apparatus has two gas purification units which are alternately operated. A gas purification capacity measuring means includes a means including valves for separating a target gas...
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5482541 |
Sorption cartridge
Adsorption agent cartridge includes a vacuum tight cover having an adsorption agent filler consisting of a substance which can adsorb operating medium steam. The adsorption agent cartridge further...
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5482536 |
Apparatus for containment and scrubbing of toxic gas from a leakage location and method therefor
An apparatus for containing and scrubbing toxic or corrosive gases from a leaking pipe or cylinder is provided. A gas passageway attaches at one end to a leakage location on a pipe or cylinder, and...
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5478378 |
Filter with quick-change coupling for cleaning gases
The invention relates to a filter for cleaning gases, provided with a quick-change coupling having an inlet and an outlet channel, and a hollow filter material housing filled with filter material...
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5429663 |
Removal in aircraft of components from fluid mixtures
The removal of components from fluid mixtures in aircraft utilizes an adsorbent bed which is regenerated by passing dry ambient air through the adsorbent bed when the aircraft reaches a height at...
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5427609 |
Device for cleaning and drying compressed gas
A device (10) for removing contaminants from truck air systems or the like includes an assembly including a desiccant canister (100), a carrier (46), and a bottom closure (28) vertically removable...
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5417743 |
Self-adhesive vent filter and adsorbent assembly with a diffusion tube
A self-adhesive vent filter adsorbent assembly with diffusion tube is provided for removing gaseous contaminants from an enclosure comprising a layer of polymer film forming a diffusion tube, two...
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5395589 |
Apparatus for rapid and specific detection of organic vapors
Apparatus for preconcentrating trace amounts of organic vapors in a sample of air for subsequent detection, comprising a metallic substrate; a thin film of fullerenes deposited on the metallic...
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5301536 |
Apparatus for obtaining on-line gas samples for the measurement of crude oil content
The present invention is drawn to a method for measuring crude oil contained in a gas flowing in a gas line which incorporates the steps of obtaining a sample of gas from the gas line, passing the...
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5294407 |
Gas purifier having pressure responsive switch as end of life detector
A gas purifier for impure gas having an end of life detector. The purifier has: A. a housing; and B. an impurity-sorbing material packed within the housing. The impurity-sorbing material has...
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