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| Number | Title | Issue Date |
| 7544226 | Grille for a cyclone vacuum A grille member that can be used, for example, in a cyclone dust-collecting apparatus and a vacuum cleaner comprises a body around which a rotating current is formed, and a plurality of air passages formed at the body to guide the rotating current into the body. In ... | 06/09/2009 |
| 7481861 | Liquid trap device for gas A liquid trap device for gas includes a trap housing and a liquid filter disposed in the trap housing. The liquid filter includes an upper end wall having an opening communicating with a gas inlet, a lower end wall and a cylindrical filter element providing a connec... | 01/27/2009 |
| 7390340 | Filtration apparatus A filtration apparatus for use in a system containing a gas or vapor to be cleaned. The apparatus has at least one housing for a filter that removes contaminants from a gas or vapor. The housing contains an inlet portion and an outlet portion in association with val... | 06/24/2008 |
| 7377954 | Performance air filtration cartridge An air filtration cartridge has annular filter media having a hollow interior and extending axially between first and second distally opposite end caps. The first end cap is an outlet end cap having flow straightening structure integrally formed therewith and spanni... | 05/27/2008 |
| 7332006 | Ventilating and air purifying device Ventilating and air purifying device including a case having a blower therein provided to a ceiling or a wall, a first flow passage provided between the blower and a room for making an outdoor, the blower, and the room in communication, a second flow passage for mak... | 02/19/2008 |
| 7291189 | Dust collecting apparatus for vacuum cleaner A dust collecting apparatus for use in a vacuum cleaner provides improved suction cleaning efficiency. The dust collecting apparatus includes a main body comprising a suction port through which a dust-laden air is drawn, and a first and a second discharge ports thro... | 11/06/2007 |
| 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 |
| 7247185 | Device for treatment of a gas flow Device for treatment of a gas flow having at least one body (3) that is adapted to cause a conversion in the composition of the gas. The device is characterized in that the body (3) has a modular construction comprising a plurality of sections (26, ... | 07/24/2007 |
| 7223298 | Filter assembly for pipelines A filter assembly is disclosed for use in connection with the filtration of products transported via pipelines, including high pressure gas pipelines. The disclosed filter assembly is comprised of a plurality of filter modules, a series of valves, inlet and outlet p... | 05/29/2007 |
| 7160348 | Mist elimination hood A mist elimination device in the form of a hood for the removal of moisture from a gas stream treated by a WESP includes a series of gutters on the outer surface of the hood to trap liquid droplets and direct the moisture to channels to drain to the lower region of ... | 01/09/2007 |
| 7150778 | Recirculation jacket filter system The present invention is a system and method for improving the useful life of sorbent beds, such as activated carbon filter beds. It is known that breakthrough in carbon filter beds first occurs at the low gas velocity regions of the filter bed, i.e., at the filter'... | 12/19/2006 |
| 7094269 | Air pre-cleaner The air pre-cleaner includes a housing, a drain valve, and an air exhaust pipe. The housing is provided with an air inlet. The drain valve is disposed in the housing and is configured to drain impurities separated from intake air entering the housing through the air... | 08/22/2006 |
| 6997966 | Lint trap A lint trap having an enclosure with an interior surface, an open end, with an inlet spaced from an outlet on the interior surface. A cover is removably mountable to the open end of the enclosure with a filter secured to the cover, where side edges of the filter sli... | 02/14/2006 |
| 6984259 | Air disinfection apparatus An air purification and disinfection apparatus incorporates an air inlet filter (1) spanning the intake of the apparatus, an ultraviolet light source (2) for treating the air within a chamber (14) of the apparatus, and an equalising screen (3... | 01/10/2006 |
| 6966934 | Gas reclaiming equipment A gas reclaiming equipment capable of separating SF6 gas from a mixed gas efficiently and shortening reclaiming work under reduced pressure. A gas separation equipment is provided between a gas insulated equipment and a gas liquefaction system. The gas se... | 11/22/2005 |
| 6881237 | Air filter for an internal combustion engine An air filter housing for an internal combustion engine, which includes an unfiltered air capsule and a filtered air capsule, contains an orifice with perforations which are covered by air-permeable fabric or a sound element. Airborne sound emission occurs through t... | 04/19/2005 |
| 6857165 | Grill assembly for a cyclone-type dust collecting apparatus for a vacuum cleaner A grill assembly for a cyclone-type dust collecting apparatus reduces the amount of contaminants passing through a grill, and also allows easy removal of contaminants from the grill, includes a grill body having a plurality of blades formed along an outer circumfere... | 02/22/2005 |
| 6783578 | Air purification unit An air purification apparatus is disclosed that includes a HEPA or ULPA cartridge filter having mounted axially therein an UV lamp extending from a closed end of the cartridge. An air channeling housing is provided for removably mounting the combination filter and l... | 08/31/2004 |
| 6740149 | Air cleaner To enlarge an opening area in an element retainer supporting a clean side of an element, to reduce resistance to air passage and thereby to enlarge intake air quantity. The interior of an air cleaner is surrounded by a case and a lid is partitioned by an element int... | 05/25/2004 |
| 6723205 | Degassing centrifugal apparatus with energy recovery, process for degassing a fluid and process for producing paper or board The invention relates to a degassing centrifugal apparatus such as a pump having energy recovery means and to a process for degassing a fluid. The apparatus has a rotatable hollow rotor connected to a fluid inlet at one end and a liquid outlet at the opposite end. A... | 04/20/2004 |
| 6562094 | Reticle storage and retrieval system A storage and retrieval system is provided for safely and efficiently storing reticles in a clean environment. An enclosed storage unit is provided for storing the reticles, and other items such as wafers and the like, in an environment which minimizes th... | 05/13/2003 |
| 6468333 | Gas purifier apparatus The present invention relates to an apparatus used for gas purification in a manner that allows for higher flow rates without an unacceptable increase in the pressure vessel diameter. The purifier contains inner and outer filter sleeves. Between the sleev... | 10/22/2002 |
| 6375723 | Apparatus for improving gas distribution in a prepurifier A distributor apparatus arrangement distributes a gas within a vessel that includes an adsorbent bed, the gas distribution occurring with a minimum of gas mal-distribution. The distributor apparatus includes an inlet gas coupler that feeds gas to a condui... | 04/23/2002 |
| 6080228 | Gas transfer pipe arrangement A gas transfer pipe arrangement includes a pipe in which gas containing droplets flows. A droplet separation unit is provided in the pipe for separating the droplets from the gas. A liquid collecting unit is annularly provided on the inner periphery of th... | 06/27/2000 |
| 5964991 | Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures A sintered laminated structure including a plurality of ceramic layers made of ceramic materials different from one another, wherein each of the ceramic layers is provided with through-holes passing each of the ceramic layers.... | 10/12/1999 |
| 5882386 | Device for separating moisture from gas vented from an aircraft A device for separating moisture from a gas flow which is vented from an interior region of an aircraft to a region exterior to the aircraft. In a preferred embodiment, a vessel having an inlet port coupled to the interior region of the aircraft, an outle... | 03/16/1999 |
| 5868807 | Apparatus for removing dust from gas and for cleaning at least one filter of the apparatus The apparatus has a container, which encloses a crude gas space, and at least one filter projecting into the crude gas space and having a filter axis and a shape-stable casing. This has a support member with two wire fabrics and a filtration member which ... | 02/09/1999 |
| 5853440 | Shroud and cyclonic cleaning apparatus incorporating same The invention provides a shroud (10; 40) for use in apparatus incorporating cyclonic dust separation structure for separating dirt and dust from an airflow, the shroud (10; 40) including a perforated portion (14; 44) having a multiplicity of perforations ... | 12/29/1998 |
| 5779744 | Air and liquid separator for a carpet extractor An air/liquid separator is provided in a hollow, preferably transparent, removable lid on a recovery tank of a wet pickup suction cleaner. The lid has a wall therein dividing the lid into an inlet/separating chamber and an exit chamber. Liquid and dirt en... | 07/14/1998 |
| 5690763 | Integrated chemical processing apparatus and processes for the preparation thereof An integral structure is provided for chemical processing and manufacture, in which a plurality of laminae are joined together and having inlet and outlet ports connected by a three dimensionally tortuous channel. Chemicals are introduced through the inle... | 11/25/1997 |
| 5643345 | Automotive air bag filter with support member A filter for an inflatable vehicle occupant restraint inflator includes a tubular filter element having a generally cylindrical interior surface and a generally cylindrical outer surface having a predetermined diameter and a predetermined axial length and... | 07/01/1997 |
| 5601625 | Process and device for removing heavy metals and compounds containing heavy metals A process and device for removing heavy metals and compounds containing heavy metals from waste gas of a metallurgical vessel which is charged with materials posing disposal problems. The flue gas collecting in the metallurgical vessel is sucked out of th... | 02/11/1997 |
| 5534328 | Integrated chemical processing apparatus and processes for the preparation thereof An integral structure is provided for chemical processing and manufacture, in which a plurality of laminae are joined together and having inlet and outlet ports connected by a three dimensionally tortuous channel. Chemicals are introduced through the inle... | 07/09/1996 |
| 5237881 | Inertial dilution filter probe A filter probe for sampling components of a stack gas which includes means for extracting a flow sample of the stack gas, means for inertial filtering of the flowing stack gas sample extracted by the extracting means, means for collecting the flowing stac... | 08/24/1993 |
| 5000765 | Condensate inhibiting outlet pipe for water-steam separator A water-steam separator is used in conjunction with a steam humidifier system to maintain the relative humidity within a desired range in buildings. The separator includes a container, a vapor inlet supply pipe, and an outlet steam distribution pipe. One ... | 03/19/1991 |
| 4934407 | Manifold for gas from parallel-working gas cleaning units A manifold receives gas streams from a plurality of gas purifiers arranged in parallel. The manifold comprises a plurality of pipe portions wiht a successively increasing diameter forming a main channel in the manifold. A first pipe portion projects into ... | 06/19/1990 |
| 4848992 | Gas filter system A gas filter system, suitable for use in a safety installation for nuclear reactor confinement vessels, comprises a generally cylindrical enclosure having a closed bottom. In an upper part of the enclosure is an inlet for the gas to be filtered. There is ... | 07/18/1989 |
| 4805521 | Supply air device A supply air device for spreading an air flow from a generally flat, perforated external element (21,22,23) comprising a box-like casing (10) serving as an air distribution chamber and having means for connection to a supply air duct, and at least one pri... | 02/21/1989 |
| 4783204 | Apparatus and method for drying steam Both an apparatus and a method for maximizing the separation characteristics of a swirl vane steam-drying device is disclosed herein. Generally speaking, such swirl vane separators include a housing formed from a riser barrel which is concentrically dispo... | 11/08/1988 |
| 4765809 | Apparatus for removing dust from gas For collection of dust from gases at temperatures up to 900° C. and under presssures up to 20 bars by means of gas-permeable two-dimensional filter elements, an apparatus is proposed which comprises a pressure-resisting cylindrical outer housing, which c... | 08/23/1988 |
