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| Number | Title | Issue Date |
| 7998257 | 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 atmosphere, is constituted by filling a first adsorbent layer of the canister w... | 08/16/2011 |
| 7892328 | PSA apparatus for producing high-purity hydrogen gas A PSA apparatus for high-purity hydrogen gas production is provided which can recover high purity hydrogen gas at a high recovery rate from a reformed gas (hydrogen-containing gas) produced by a reforming process, for example an autothermal reforming process, and co... | 02/22/2011 |
| 7819957 | Operating room filter systems An operating room filter system connectable to a surgical body gas evacuator, such as a trocar, that includes a carbon monoxide filter media that removes carbon monoxide from a surgical waste gas. In addition, the inclusion of further filter media upstream of the ca... | 10/26/2010 |
| 7815721 | Gas filtering-buffering device The present invention relates to a gas filtering-buffering device, which comprises at least one gas filtering unit; a gas inlet, the gas to be processed flows into the at least one gas filtering unit from the gas inlet; and a gas outlet, the gas processed by the at ... | 10/19/2010 |
| 7789949 | Getter device A getter device including a substrate formed of a first getter material having a composition for gettering a first gas species, and a second getter material contacting an external surface of the substrate and having a composition for gettering a second gas species. ... | 09/07/2010 |
| 7717985 | Sorption systems with naturally occurring zeolite, and methods An adsorption system with a sorbent bed that includes at least two distinct layer with two different sorbent materials, one of the sorbents being a natural zeolite such as clinoptilolite. The clinoptilolite is particularly suited to be positioned at the outlet end o... | 05/18/2010 |
| 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 produce an off gas that must be further treated to produce pollutant-free... | 02/09/2010 |
| 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 has a first portion adjacent to the first side of the first layer and ... | 09/08/2009 |
| 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 atmosphere, is constituted by filling a first adsorbent layer of the canister w... | 03/24/2009 |
| 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 from liquid and gaseous streams. Such materials may include chemically re... | 03/10/2009 |
| 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 carbon articles includes at least two shaped monolithic activated carbon ar... | 12/09/2008 |
| 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; (b) growing carbon nanotubes by reacting the carbon source with the nano... | 12/02/2008 |
| 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 may include in-line sensors for in-situ monitoring of contamination. Gr... | 08/19/2008 |
| 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, together with a binder. The filter may be incorporated into an ostomy colle... | 05/13/2008 |
| 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 first sorbent bed material having a high capacity sorbent affinity for t... | 04/29/2008 |
| 7332010 | High pressure filter/separator and locking mechanism Disclosed is a two or three phase separator including a centrifugal separator, a demister (if a three phase separator), and a filter contained within a housing. The filter uses an outside-in flow principle. The filter includes an inner layer or a center core that de... | 02/19/2008 |
| 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 has a gas inflow port and a gas outflow port. The second end section h... | 01/29/2008 |
| 7320721 | Chemical filter and fan filter unit having the same In a fan filter unit for filtering and continuously supplying clean air into a clean room, the fan filter unit includes a chemical filter for removing chemical contaminants contained in the air, a fan for sucking and blowing out the air, and a particle filter for re... | 01/22/2008 |
| 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 includes a plurality of activated carbon granules mixed together in a c... | 01/08/2008 |
| 7311757 | Analyte pre-concentrator for gas chromatography An analyte pre-concentrator for gas chromatography is disclosed generally comprising a tube having a restricted outlet and packed with an adsorbent, wherein the tube serves as the liner of a chromatographic injector, as an adsorbent trap coupled to a chromatographic... | 12/25/2007 |
| 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 of the adsorbent bed and a second material, activated alumina, is pos... | 12/11/2007 |
| 7297181 | Purification and transfilling of ammonia An ammonia purification system includes a hydrocarbon removal station that removes hydrocarbons from gaseous ammonia via adsorption, a moisture removal station that removes water from gaseous ammonia via adsorption, and a distillation station including a distillatio... | 11/20/2007 |
| 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 adsorption system (6) that purifies said gas to pr... | 11/13/2007 |
| 7293629 | Exhaust apparatus for small-sized engine An exhaust apparatus has an exhaust pipe that receives exhaust gas from an engine and a muffler attached to the exhaust pipe. The muffler has an exhaust portion that discharges exhaust gas received by the exhaust pipe. A tubular member is attached to the exhaust por... | 11/13/2007 |
| 7278406 | Spiral-wound hydrocarbon adsorber for an air intake of an internal combustion engine A low-resistance hydrocarbon adsorber comprising a spiral-wound laminated structure for mounting into an entrance port of an engine air intake system to prevent hydrocarbon evaporations from reaching atmosphere. Preferably, the adsorber is formed as a cartridge and ... | 10/09/2007 |
| 7226680 | Integrated air cooler, filter, and humidification unit for a fuel cell stack System for thermally conditioning, humidifying and filtering reactant feed gases supplied to a stack of fuel cells using an evaporative element, a water spray mechanism and a heat exchanger. The evaporation element also functions as a filter. The evaporative element... | 06/05/2007 |
| 7222612 | Low-resistance hydrocarbon adsorber cartridge for an air intake of an internal combustion engine A low-resistance hydrocarbon-adsorptive cartridge for an air intake of an internal combustion engine comprising a structure for being mounted into a portion of an engine air intake system. The structure is adapted to orient and retain one or more thin sheets of acti... | 05/29/2007 |
| 7214258 | Evaporated fuel processing device An evaporated fuel processing device (10), in particular for an internal combustion engine of an automotive vehicle, comprises a tank port (12) and an atmospheric port (22); a first adsorbent chamber (14) between the tank port (12)... | 05/08/2007 |
| 7213581 | Throttle body with hydrocarbon adsorber A hydrocarbon adsorber system in accordance with the invention comprising a carbon adsorber element installed in a throttle body of an internal combustion engine. The element may be installed on a wall or in a groove in the wall of the throttle throat at a location ... | 05/08/2007 |
| 7211123 | Apparatus for venting a transmission Device for the ventilation of a transmission case (11) that is normally intended to hold liquid lubricant for transmission components and includes a residual internal volume of air inside the transmission case that is connected to the atmospheric pressure by ... | 05/01/2007 |
| 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 gas to regenerate adsorption beds is reduced through an inventive metho... | 03/13/2007 |
| 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 chamber, a chemical filter for attracting a chemical substance in a controll... | 03/06/2007 |
| 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 carbon filter and has adsorbents which, to achieve a high working capacit... | 03/06/2007 |
| 7182802 | Evaporative emissions filter An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system. A mechanism is provided for mounting the evaporative emissions filter within ... | 02/27/2007 |
| 7175769 | Method of filtering debris from refrigerant Debris is filtered from refrigerant in a refrigerant system by: (1) installing a filtration apparatus in the high pressure side of a refrigerant system, the apparatus comprising a filtration housing having primary and secondary passages, a primary filter disposed in... | 02/13/2007 |
| 7168224 | Method of making a packaged radiation sensitive resist film-coated workpiece The present invention includes a packaged coated workpiece. The packaged coated workpiece has: (1) a workpiece coated with a resist film sensitive to optical radiation, particulates or chemical contaminants; (2) an inner barrier sealed to enclose the coated workpiec... | 01/30/2007 |
| 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 nitrogen oxide absorption layer for mainly removing nitrogen oxide formed on... | 01/16/2007 |
| 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 sensitivity to contact with the impurity. The getter may be formulated from g... | 01/09/2007 |
| 7160360 | Purification of hydride gases Purification material for removing a contaminant from an impure hydride gas comprising an adsorbent comprising a reduced metal oxide on a porous support and a desiccant. The porous support may be selected from the group consisting of activated carbon, alumina, silic... | 01/09/2007 |
| 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 first layer and the second layer. The adsorption layer has a first activat... | 01/09/2007 |
