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| Number | Title | Issue Date |
| 7351326 | FCC closed cyclone with snorkel Thermal cracking in a riser cracking, closed cyclone, fluidized catalytic cracking process is reduced. A snorkel or flow conduit having an inlet just above the catalyst stripper moves stripper vapor into the closed cyclone. The system preferably operates without a s... | 04/01/2008 |
| 7090711 | Multistage air cleaner including pulse cleaning system A V-pack filter includes a frame construction having a first frame structure and a second frame structure. The V-pack filter also includes first and second panel sections mounted in extension between the first and second frame structures. The first panel section has... | 08/15/2006 |
| 7056372 | Air treatment device having various selections An air treatment device includes a housing, a filter element disposed in the housing, an air forcing device for forcing air to flow through the filter element, and a light device disposed in front of the filter element for generating light and for germ killing purpo... | 06/06/2006 |
| 7004998 | Gas-liquid impingement separator incorporated in a piping elbow A gas liquid separator comprises an elbow into which is inserted a fishbone shaped impingement device comprising downward sloping vanes, the vanes preferably attached to a central spine within the elbow. The vanes may have an opening along the length thereof, and a ... | 02/28/2006 |
| 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 |
| 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 |
| 5743939 | Waste gas processing apparatus and method for semiconductor fabricating equipment The waste gas processing apparatus and method thereof for semiconductor device fabricating equipment includes a water spraying chamber, and an exhaust tube. A demister and an external gas introducer, for causing external gas to enter the exhaust tube adja... | 04/28/1998 |
| 5529591 | Reverse flow separator Catalyst and hydrocarbon vapors are separated in separator-stripper vessel by a reverse flow separator assembly in a top portion of the separator vessel. The separator assembly contains a shrouded eductor where the particles and gas enter the eductor, and... | 06/25/1996 |
| 4325716 | Mixing chamber in combination with a dust cyclone separator A mixing chamber for mixing gases produced in a gas producer in combination with a dust cyclone, the mixing chamber comprising a housing having at least two inlets and a perforated hood structure covering one of the inlets. In use the gas delivered from t... | 04/20/1982 |
| 4313910 | Separation of gases from particle streams An apparatus for separating a carrier gas from a particle stream is disclosed which comprises deflecting said particle stream about a curved surface to compact the stream and separate therefrom a major proportion of said carrier gas, and introducing a sub... | 02/02/1982 |
| 4272260 | Tornado-type separator In a tornado-flow vortex generator for separating particulates from gases, having a cylindrical vortex chamber, an inlet tube for raw gas coaxially disposed in the vortex chamber and terminating in a nozzle for providing an advance rotation in a flow of t... | 06/09/1981 |
| 4164901 | Indoor gun firing range enclosure having a ventilation system An indoor gun firing range enclosure with a ventilation system for removing particulate matter, such as lead or other heavy metals, and unburned gunpowder, plus gaseous contaminants such as carbon monoxide, from the atmosphere within the enclosure to make... | 08/21/1979 |
