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| Number | Title | Issue Date |
| 7442233 | Integrated heavy hydrocarbon removal, amine treating and dehydration The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More specifically, the integrated process of the present invention comprises a ... | 10/28/2008 |
| 7396388 | Integrated heavy hydrocarbon removal, amine treating and dehydration The present invention is directed to an improved integrated process for the removal of heavy hydrocarbons, carbon dioxide, hydrogen sulfide, and water from a raw natural gas feed stream. More specifically, the integrated process of the present invention comprises a ... | 07/08/2008 |
| 7384454 | Combined water-from-air and water-from-exhaust system A water production unit is provided having two modes of operation for extracting water from exhaust and air. ... | 06/10/2008 |
| 7361709 | Colored composition, method of manufacturing color filter, and method of manufacturing black matrix substrate A colored composition contains a colorant carrier including a transparent resin, a precursor thereof, or a mixture of the transparent resin and the precursor, a colorant, and an organic liquid medium. The organic liquid medium consists of an organic solvent (a) havi... | 04/22/2008 |
| 7357001 | System to produce drinking water A system for producing drinking water includes an air-condensing device for generating water by condensing moisture contained in air, the air condensing device being disposed in a first case, a purifying part for filtering off impurities contained in the water gener... | 04/15/2008 |
| 7309379 | Moving bed adsorber/desorber and low flow (high yield) desorber devices and their methods of use Moving bed adsorber and desorber apparatus and methods, wherein adsorbent material (e.g., beads of resin) moves over a series of vane members and a fluid flow passes between the vane members and through the flowing bed of adsorbent. An adsorbent depth regulator is p... | 12/18/2007 |
| 7300498 | Regeneration of adsorption beds using heated nitrogen A system and method for removal of solvents, or other materials, from an exhaust stream, uses an active adsorption bed and a bed that is periodically regenerated. Electrically heated nitrogen may be used to regenerate the beds. A portion of the exhaust stream to be ... | 11/27/2007 |
| 7294173 | Method and system for desorption and recovery of desorbed compounds A method for desorption and recovery of desorbed compounds, including the steps of generating a recirculating stream of inert gas (1), which passes through the material (2) to be desorbed, heating such inert gas stream to a temperature sufficient to ca... | 11/13/2007 |
| 7288137 | Particulate trap A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a plurality of openings to allow exhaust flow through the plurality of filters.... | 10/30/2007 |
| 7185447 | Drying device for drying a gas A drying device for drying a gas comprises parallel cooling branches, at least one of which is in its active state at any given time. A gas-coolant heat exchanger arranged in each of the cooling branches has a first channel through which the gas to be dried flows in... | 03/06/2007 |
| 7166149 | Adsorption process for continuous purification of high value gas feeds Using a high pressure rotary adsorbent wheel, a high value compressed gas feed can be purified by concentrating the impurity such as water, condensing it out, before final purification. Instead of exhausting gas from the system, the effluent can be put back into the... | 01/23/2007 |
| 7160366 | Filter element An improved filter element which can be used in gas masks is formed of short lengths of porous monolithic carbon formed by partially curing a phenolic resin to a solid, comminuting the partially cured resin, extruding the comminuted resin, sintering the extruded res... | 01/09/2007 |
| 7147689 | Apparatus and method for removing volatile organics from vented gases An apparatus and a method for removing volatile organic compounds from air that is vented from tanks and vessels containing hydrocarbon material. This invention also relates to a self-propelled vehicle on which the apparatus is mounted. ... | 12/12/2006 |
| 7101415 | Methods for regenerating process gas purifier materials A continuous method of producing a process fluid gas from a feed stream that includes the process fluid and impurities. The method includes: (a) providing a first and second vessel, each vessel containing one or more regenerable purifier materials for removing at le... | 09/05/2006 |
| 7073442 | Apparatus, systems and methods for use in three-dimensional printing Apparatus, systems and methods for use in three-dimensional printing are shown and described. Various embodiments of the invention allow for more precise and controlled delivery of heat to achieve interlayer drying; isolation of the working region from the outside f... | 07/11/2006 |
| 7070393 | Method for regulating a compressor installation with a dryer and compressor installation used therewith The invention relates to a method for regulating a compressor installation with at least one compressor element (6) driven by a motor and, in the pressure conduit (11) thereof, a dryer (2) of the type comprising a pressure vessel (24) wit... | 07/04/2006 |
| 7066091 | Methods and apparatus for controlling impurity levels in an enclosed printing press environment Methods and apparatus for controlling impurity levels in an enclosed printing press environment are disclosed. A disclosed system controls impurity levels by using variable speed fans to control the intake of air into the enclosed environment and the exhausting of a... | 06/27/2006 |
| RE39122 | Regenerative compressed air/gas dryer A system for drying a gas, such as air, includes a source of gas to be dried, a multistage compressor having an inlet connected to the source, and a dryer connected interstage to the compressor and to the outlet of the compressor. The dryer is connected interstage t... | 06/13/2006 |
| 7014683 | Method for the regeneration of humidity-laden process air and arrangement for carrying out said method A method for the regeneration of humidity-laden drying cartridges includes heating to 220 to 300° C. and introducing it into a drying cartridge for regeneration. Subsequent cooling of the drying cartridge is achieved by a partial stream of air diverted from the dri... | 03/21/2006 |
| 7008471 | Filter and canister having the same A canister is connected to a fuel tank to adsorb fuel vapor vaporized in the fuel tank and includes a canister housing and a canister main body, which is received in the canister housing and communicates with the fuel tank at one end. The canister housing includes a... | 03/07/2006 |
| 6964695 | Method and equipment for removing volatile compounds from air A regenerable adsorber for removing VOCs from gas streams consists of a porous monolithic carbon which can be regenerated by heating by passing an electric current through it. ... | 11/15/2005 |
| 6960243 | Production of drinking water from air A method and apparatus for the extraction of water from a gas stream, such as atmospheric air. The method includes contacting the gas stream with a porous adsorbent material having a surface modifying agent adsorbed on the surface of a porous support. The surface mo... | 11/01/2005 |
| 6908497 | Solid sorbents for removal of carbon dioxide from gas streams at low temperatures New low-cost CO2 sorbents are provided that can be used in large-scale gas-solid processes. A new method is provided for making these sorbents that involves treating substrates with an amine and/or an ether so that the amine and/or ether comprise at least... | 06/21/2005 |
| 6869464 | Atmospheric water absorption and retrieval device A device for absorbing atmospheric moisture includes a support member with a net extending therefrom. The net includes a super absorbent polymer that has the property of being able to absorb a multiple of the polymer mass in atmospheric water and to thereafter relea... | 03/22/2005 |
| 6863711 | Temperature swing humidity collector using powerplant waste heat A system for recovering water from the atmosphere includes water sorbent assembly composed of a water adsorbent material and a heat exchanger. The water adsorbent material traps water present within the air drawn through the sorbent assembly. Once the sorbent assemb... | 03/08/2005 |
| 6790653 | Biological filter apparatus with multiple filter units Air laden with biodegradable volatile organic compounds is passed sequentially through a first filter bed containing a biologically inert filter media, a second filter bed containing a biologically active filter media, and a third filter bed containing a biologicall... | 09/14/2004 |
| 6764755 | Channelized sorbent media, and methods of making same A channelized sorbent material comprises porous sorbent particles characterized by an average pore diameter. Each sorbent particle has at least one interior channel of an average transverse dimension (i.e. transverse diameter) that is at least ten times larger than ... | 07/20/2004 |
| 6702876 | Ion exchange scrubber An ion exchange scrubber has a housing, and a partition plate installed within the housing. The partition plate partitions an inner space of the housing in longitudinal direction into two chambers that are filled with a predetermined amount of aqueous sol... | 03/09/2004 |
| 6521026 | Regenerative type carbon dioxide separator and carbon dioxide separating system A rotor includes a high-temperature section and a low-temperature section on its circumference. It is possible to absorb and separate carbon dioxide gas in an effluent or exhaust gas simply by rotating the rotor. Therefore, it is possible to obtain a reli... | 02/18/2003 |
| 6478849 | Vapor recovery system for fuel storage tank A vapor recovery system for a fuel storage tank. The system includes a pair of VOC adsorbent canisters that alternately recover VOC vapors from the fuel tank ullage or are regenerated. Regeneration of the VOC adsorbent canisters is provided by exhausting ... | 11/12/2002 |
| 6479276 | Biological filter apparatus Air laden with biodegradable volatile organic compounds is passed sequentially through a first filter bed containing a biologically inert filter media and a second filter bed containing a biologically active filter media. Water is present in the biologica... | 11/12/2002 |
| 6440196 | Method for purifying and concentrating a gas mixture into a minor constituent, method for detecting this constituent, and installation A method for purifying a minority constituent and concentrating it in a majority constituent of a gas mixture that also contains one or more other minority constituent(s) employs (i) a selective permeation step, (ii) next, a purification step, and (iii) f... | 08/27/2002 |
| 6372188 | Gas processing reactors A reactor for the processing of gaseous media, including two planar beds of active material separated by a gap. A gaseous medium to be processed is fed inwardly around the periphery of the reactor beds into the gap between the reactor beds and collected f... | 04/16/2002 |
| 6251172 | Portable water recovery and dispensing apparatus A water dispenser has an apparatus for removing water from the air and an apparatus for treating the water to provide a consumer with potable water.... | 06/26/2001 |
| 6221130 | Method of compressing and drying a gas and apparatus for use therein A method and apparatus for compressing and drying a gas, typically air, are provided in which a multistage compressor is employed to produce interstage and final stage compressed gas. Regenerative adsorbent is employed to dry the final stage compressed ga... | 04/24/2001 |
| 6171377 | Regenerative compressed air/gas dryer A system for drying a gas, such as air, includes a source of gas to be dried, a multi-stage compressor having an inlet connected to the source, and a dryer connected interstage to the compressor and to the outlet of the compressor. The dryer is connected ... | 01/09/2001 |
| 6168711 | Water supply and drainage type microorganic deodorizing system The invention relates to a water supply and drainage type microorganic deodorizing system, by which a clogging of deodorizer can be effectively prevented in order to decrease a deodorizing capacity, wherein deodorization chambers are provided in two stage... | 01/02/2001 |
| 6117211 | Gas desiccation and contaminant disposal method and apparatus Water containing contaminants is removed from a gas or liquid stream and then treated to separate the water from the contaminants. The water is separated using a condenser and a semi-permeable membrane so that it is pure enough to be disposed-of in the lo... | 09/12/2000 |
| 6019816 | Systems and methods for removing residue from process gases exhausted from microelectronic device fabrication processes Process gases from microelectronic device fabrication processes are pumped through a filter unit including a plurality of absorbers for absorbing water entrained within the process gases. Residues deposited within the filtering unit are removed by sprayin... | 02/01/2000 |
| 6010604 | Neural network packing A column packing for use in the scrubbing of gases by aqueous liquid, the packing comprising material that is electrically conductive and material that is non-conductive with such materials being intimately mixed with each other, such that the packing as ... | 01/04/2000 |
