Matches 51 - 100 out of 209 < 1 2 3 4 5 >


Match Document Document Title
7658789 Off gas extraction and chemical recovery system and related methods  
An off gas extraction system provides superior results to other systems for cleaning polluted soil. Off gas is extracted, followed by compression and condensation. Compression and condensation...
7597745 Filter materials for adsorbing hydrocarbons  
A porous filter medium forms a filter or liner for extracting hydrocarbons from vapors emitted from a motorized vehicle, device or appliance fuel tank. The filter medium is a polymer network of a...
7588686 Dual porosity filter  
Disclosed is a method and a filter unit for depleting or enriching a liquid or gas with substance(s) comprising i) providing a filter unit comprising at least one convective layer and at least one...
7585358 Small and large particle recirculation filter  
A recirculation filter includes a first layer and a second layer. The first layer has a first side and a second side and is configured to trap particles that are of a first size. The second layer...
7572319 Analyte pre-concentrator for gas chromatography  
An analyte pre-concentrator for gas chromatography is disclosed generally comprising a tube packed with an adsorbent, wherein the tube may serve as the liner of a chromatographic injector, as an...
7556671 System and method for purifying a gas  
The present invention provides for a method for purifying carbon dioxide. Moisture, sulfur species and other impurities are removed from the carbon dioxide by a series of steps which include...
7527670 Method and apparatus for gas purification  
This invention comprises an adsorption process for the removal of at least N2O from a feed gas stream that also contains nitrogen and possibly CO2 and water. In the process the feed stream is...
7524358 Production of high purity and ultra-high purity gas  
Trace amounts of carbon monoxide and optionally hydrogen are removed from gaseous feed streams by passing the feed stream through a carbon monoxide adsorbent (33) prior to passing it through a...
7507278 Canister  
A canister, for inhibiting a diffusion phenomenon in an adsorbent layer as much as possible and certainly adsorbing fed evaporated fuel to inhibit blow-by of the evaporated fuel into the...
7501012 Microfibrous entrapment of small reactive particulates and fibers for high contacting efficiency removal of contaminants from gaseous or liquid streams  
A microfibrous matrix with embedded supporting particulates/fibers and chemically reactive materials is provided as a filtration system for the removal of contaminants and other harmful agents...
7468084 Device for conditioning recirculating air, especially clean room air  
A device for conditioning recirculating air in a cleanroom has at least one fan having a housing. A return air conduit is provided through which a first portion of recirculating air is supplied...
7468096 Apparatus for producing oxygen and method for controlling the same  
The present invention concerns the apparatus for producing oxygen, comprising: a first zeolite bed connected to an external air pressurizing device and a depressurizing device for increasing or...
7462224 Array of shaped activated carbon articles for tank venting systems and motor vehicles  
The invention relates to an array of shaped activated carbon articles having channels extending through said array of shaped activated carbon articles, wherein said array of shaped activated...
7459013 Chemical and particulate filters containing chemically modified carbon nanotube structures  
A carbon nanotube filter, a use for a carbon nanotube filter and a method of forming a carbon nanotube filter. The method including (a) providing a carbon source and a carbon nanotube catalyst;...
7413586 In-tool and out-of-tool protection of extreme ultraviolet (EUV) reticles  
A reticle carrier for an Extreme Ultraviolet (EUV) reticle may include nested grids of electret fibers to provide active protection from contamination without a power supply. The reticle carrier...
7371270 Odour absorbing filters  
An odor adsorbing or deodorizing filter which comprises a matrix or substrate impregnated with a mixture of particulate chemically modified activated carbon and particulate activated carbon,...
7364603 Method and apparatus for the abatement of toxic gas components from a semiconductor manufacturing process effluent stream  
An apparatus and process for abating at least one acid or hydride gas component or by-product thereof, from an effluent stream deriving from a semiconductor manufacturing process, comprising, a...
7323041 Gas storage canister  
A gas storage canister for use in an automotive vehicle, includes a case having first and second end sections which are opposite to each other in a direction of flow of gas. The first end section...
7316732 Air treatment filter and related method  
An activated carbon filter that treats a gas stream having a varying relative humidity, the gas stream contaminated with at least one of formaldehyde, an acid gas and an alkaline gas. The filter...
7306658 High purity air and gas fractionation system  
An air and gas purification system having combined adsorbent material layers in a regenerable adsorbent system. A first adsorbent material, molecular sieve material, is positioned at the inlet end...
7294172 Helium recovery  
A gas recovery system comprising a source of gas having a preselected concentration of a desired component (9), at least one application (1) that adds impurities to said gas, and at least one an...
7189280 Adsorptive separation of gas streams  
A method and system for adsorptive separation of a feed gas mixture provides for increased system efficiency and product recovery. The requirement for purge gas streams consuming desired product...
7186291 Fuel tank venting system and an additional filter element therefor  
Described is an additional filter element for a filter apparatus for reducing emissions from a motor vehicle tank venting system. The additional filter element is connected to a main activated...
7186285 Chemical filter arrangement for a semiconductor manufacturing apparatus  
Disclosed is a semiconductor exposure apparatus which includes a chamber for accommodating therein a main unit of the exposure apparatus, a gas controlling unit for controlling a gas in the...
7163573 Chemical filter medium, chemical filter including the chemical filter medium and method for manufacturing the chemical filter  
A chemical filter medium for removing ozone and nitrogen oxide includes a first ozone absorption layer for mainly removing ozone having a filtering base material for removing ozone, a first...
7160368 System and method for gettering gas-phase contaminants within a sealed enclosure  
A getter and method for making is provided for removing unwanted impurities from the main body of a sealed hermetic enclosure or package containing one or more devices or objects that have...
7160369 Adsorption filter material with high adsorption capacity and low breakthrough behavior  
An adsorption filter material used especially for producing protective materials, such as NBC protective suits, has a first layer, a second layer, and an adsorption layer arranged between the...
7132007 Air filter unit with several filter elements  
A filter unit for the purification of air includes at least a first filter element, which contains granular, especially spherical, activated carbon as an adsorbent material, and at least a second...
7118614 Air dryer  
An air dryer comprises a base member, a main cartridge and an intermediate cartridge. The air dryer is capable of drying and possibly filtering and/or cleaning air passing there through. The...
7115152 Four bed regenerable filter system  
A regenerable filter system includes a flow path along which a stream of fluid flows between an inlet and an outlet. A first filtering unit is located in the flow path. The first filter unit...
7063732 High-capacity sulfur adsorbent bed and gas desulfurization method  
A fuel processing system and method for processing fuel for a fuel cell having a first adsorbent bed for adsorption of high molecular weight organic sulfur-containing compounds and inorganic...
7029517 Devices and methods for hydrogen storage and generation  
Disclosed herein is a method for the storage of hydrogen comprising contacting a hydrogen storage composition with a gaseous mixture comprising hydrogen; and irradiating the hydrogen storage...
6986806 Air filtering device  
The present invention relates to air filtering devices for removing malodor and ethylene from the air. Such devices are useful for example for storing and preserving fluid in closed compartments...
6976478 Evaporated fuel adsorbing apparatus for an engine intake passage  
An evaporated fuel adsorbing apparatus for an engine intake passage includes a layer of activated carbon disposed in the engine intake passage for adsorbing evaporated fuel. The activated carbon...
6962621 System for simultaneously removing dust and volatile toxic organic compounds  
Disclosed herein is a system for simultaneously removing dust and volatile toxic organic compounds. The system comprises a dust collecting unit disposed between an inlet duct and an outlet duct...
RE38844 Method for reducing emissions from evaporative emissions control systems  
Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the...
6955711 Method and system for separating gas  
Component contained in a gas mixture can be separated based on a PSA method and recovered with high purities at the same time, the system is simple, the system cost is low, and the operation is...
6936093 Electronic enclosure filter  
A multilayer filter assembly for use inside an electronic enclosure, such as a hard disk drive enclosure containing a rotating disk, is disclosed. The filter assembly provides filtration of air...
6893483 Multilayered adsorbent system for gas separations by pressure swing adsorption  
A gas adsorption composite a high density adsorbent including a high density layer having a first density of at least 0.3 g/cc; and a low density adsorbent having a low density layer having a...
6863714 Storage apparatus  
A storage apparatus has a container having an inlet, an outlet and a regeneration air opening. Active carbon is provided as the storage medium in the container. Furthermore, a monolith is disposed...
6833022 Method and device for filtering contaminated air  
A method and a device for filtering polluted air, in which the air is successively subjected to the processes of extracting grease/fat and water, drying air still containing residual humidity, and...
6814787 Layered adsorption zone for hydrogen production swing adsorption  
The present invention describes a pressure swing adsorption (PSA) apparatus and process for the production of purified hydrogen from a feed gas stream containing heavy hydrocarbons (i.e.,...
6808546 Device and method for exhaust air processing, in particular, for clean room devices  
A device for exhaust air processing of clean rooms has a least one fresh air supply and at least one exhaust air device connected to a work room. At least one processing device is arranged in the...
6805729 System and method for handling fluid using a manifold  
A manifold assembly including a unitary manifold body including at least two component ports and an integral channel system connecting the component ports in series, and at least two...
6783577 Gas purifier system containing an ultra-low emission carbon material  
A gas purifier system containing an ultra-low emission (ULE) carbon material for reducing trace impurities such as organic compounds and carbon monoxide to sub-ppb levels in gases such as...
6783576 Gas purifier system for removing trace impurities from a reactive fluid  
Gas purifier system containing a preconditioned ultra-low emission (P-ULE) carbon for reducing trace impurities such as organic compounds and carbon monoxide in reactive fluids such as ammonia,...
6773491 Activated carbon filter  
In an activated carbon filter for reducing vapor emissions from a fuel supply system including, in a filter housing, a first connecting section for communication with the atmosphere and a second...
6770120 Radial adsorption gas separation apparatus and method of use  
An apparatus includes a vessel and a radial adsorption bed within the vessel and either an axial adsorption bed for a storage tank within the inner diameter of the radial adsorption bed. In one...
6764535 Apparatus for purification of carbon dioxide  
Commonly available carbon dioxide may contain unacceptable amounts of compounds containing greater than about ten carbon atoms, sulfur-containing materials, and nitrogen-containing materials which...
6752851 Gas separating and purifying method and its apparatus  
The gas separation and purification process can recover efficiently a valuable gas such as krypton and xenon to be used as an atmospheric gas in a semiconductor manufacturing equipment etc. by...

Matches 51 - 100 out of 209 < 1 2 3 4 5 >