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| Number | Title | Issue Date |
| 7811348 | Air cleaner airflow shaper An airflow shaper for use in an air cleaner is provided according to an embodiment of the invention. The airflow shaper includes a body including a substantially central axis and a raised central region formed on the body. The raised central region transitions an im... | 10/12/2010 |
| 7753979 | Filter assembly with adjustable inlet opening A filter assembly for use with compressor assemblies such as oxygen concentrators, ventilators and other breathing apparatus including a compartmented housing member having at least one inlet opening, an outlet opening, a filter member, and an adjustment member asso... | 07/13/2010 |
| 7585344 | Air cleaner airflow shaper An airflow shaper for use in an air cleaner is provided according to an embodiment of the invention. The airflow shaper includes a body including a substantially central axis and a raised central region formed on the body. The raised central region transitions an im... | 09/08/2009 |
| 7398578 | Cyclone dust collecting device for use in a vacuum cleaner A cyclone dust collecting device, for use in a vacuum cleaner, includes a housing defining therein a cyclonic air flow chamber. A dust collection chamber is disposed under the cyclonic air flow chamber and a partition wall is disposed between the cyclonic air flow c... | 07/15/2008 |
| 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 |
| 7367584 | Gas generating system A gas generator (10) includes an igniter (27) and first and second inflation gas generant compositions (52, 52′) positioned to enable fluid communication with the igniter (27) upon activation of the igniter. Flow regulators (54, 54 | 05/06/2008 |
| 7361082 | System, device and method for ventilating a room A system and method for ventilating a room in which the system has at least one air supply unit and one air exhaust unit. The air inlet unit has a guiding slot diffuser for guiding an airstream in a certain direction, such that a patient, lying down in a bed on his ... | 04/22/2008 |
| 7357823 | Disposable filter within a removable chamber A vacuum cleaner includes a housing, a nozzle inlet, a suction generator and a dirt cup. The dirt cup includes a dirt collection chamber, an inlet and an open end. Additionally, the vacuum cleaner includes a filter assembly. The filter assembly includes a filter hou... | 04/15/2008 |
| 7343641 | Dirt collection assembly with volcanic airflow A vacuum cleaner is provided including a housing, a nozzle inlet, a suction generator carried on the housing and a dirt cup carried on the housing. The dirt cup includes a bottom wall, a sidewall, a dirt collection chamber, an air inlet to the dirt collection chambe... | 03/18/2008 |
| 7338552 | Process and device for separating oil and volatile organic components from pressurized gases of a compression system A process and device for separating oil and volatile organic components from pressurized gases of a compression system in which, before oxidation-catalytic separation, a physical separation is performed to protect the oxidation-catalytic separator against a large am... | 03/04/2008 |
| 7338545 | Apparatus for separating liquid from a process gas stream of an electrochemical cell stack A liquid separator includes a housing, a separation chamber disposed within the housing, a drain, an inlet channel, a swirler disposed within the inlet channel, and an outlet channel. The drain has a drain passageway for draining liquid from the separation chamber. ... | 03/04/2008 |
| 7326267 | Device for separation of waste in a vacuum cleaner A device for separating and collecting waste entrained by an air flow generated by a suction group in a vacuum cleaner, the device having an air inlet tube opening in a tangential direction into a waste separation chamber, a conduit having a plurality of openings be... | 02/05/2008 |
| 7323026 | Safety cabinet for antibiohazard A safety cabinet which can prevent contaminated air from leaking from a working space through the periphery of a front shutter, and which can prevent outside air from entering the working space has a peripheral structure part surrounding the working space formed wit... | 01/29/2008 |
| 7291193 | Cyclone dust collector and vacuum cleaner therewith A cyclone dust collector and a vacuum cleaner having the same. The cyclone dust collector has a cyclone body shaped to have a relatively wider upper portion and a relatively narrower lower portion and also has a suction port and a discharge port, a grill member conn... | 11/06/2007 |
| 7267365 | Inflator An inflator for a vehicle occupant restraint system. The inflator includes a cylindrical outer wall having a longitudinal axis and a first opening formed therealong for enabling fluid communication between an interior of the inflator and an exterior of the inflator.... | 09/11/2007 |
| 7237801 | Gas generating system A gas generating system (10) includes a tubular outer housing (12) having a longitudinal axis (L) and one or more apertures (12d) formed therealong to enable fluid communication between an interior of the outer housing and an exterior of ... | 07/03/2007 |
| 7189273 | Inducing air A mechanism configured to interact with air, which has been sucked through a device that imparts turbulence to the air, causes a redistribution of components (e.g., oxygen and nitrogen) in the air so that when the air arrives at a location where the oxygen is to be ... | 03/13/2007 |
| 7162770 | Dust separation system A vacuum cleaner having a nozzle, a handle pivotally attached to the nozzle, and a suction motor that has an inlet, and is adapted to generate a working air flow through the nozzle. The vacuum includes a separation system having an outer wall and a closed tube havin... | 01/16/2007 |
| 7160346 | Dust and dirt collecting unit for vacuum cleaner The present invention relates to a dust and dirt collecting unit for a vacuum cleaner capable of simultaneously performing a primary cyclonic dust collection and a secondary filter dust collection. According to the present invention, there is provided a dust and dir... | 01/09/2007 |
| 7141101 | Filter assembly with noise attenuation A filter assembly configured for acoustic dampening for use with compressor assemblies such as oxygen concentrators including a compartmented housing member having an inlet opening, an outlet opening, a filter member, and a plurality of noise attenuating members pos... | 11/28/2006 |
| 7135051 | Dirt cup filter with pre-filtration cap A dual-stage vacuum cleaner filter with a pre-filtration cap having pre-filtering screens. A base with an aperture and a filter media strip pleated in the shape of a frustocone can be mounted within the dirt cup of a handheld vacuum. A circular, planar gas impermeab... | 11/14/2006 |
| 7025798 | Tabletop-type air cleaner A personal tabletop-type air cleaner is provided which is user-friendly and can improve smoke sucking efficiency in a simple configuration. The disclosed personal tabletop-type air cleaner has a front opening portion to suck air containing smoke of a cigarette, a bl... | 04/11/2006 |
| 7001448 | System employing a vortex finder tube for separating a liquid component from a gas stream A system for separating an entrained liquid component from a gas stream employing at least one vortex tube having a liquid outlet end and a wet gas inlet tangential to its sidewall and arranged so that wet gas rotates within the vortex tube to cause the liquid compo... | 02/21/2006 |
| 6702880 | Inlet silencer/filter for an oxygen concentrator An improved inlet silencer/filter for an oxygen concentrator includes a HEPA filter and an adjoining chamber for receiving air flow from the HEPA filter. The chamber is surrounded on one face by the HEPA filter, and by sound absorbing padding on at least ... | 03/09/2004 |
| 6702868 | Grill assembly of a cyclone dust-collecting apparatus for a vacuum cleaner A grill assembly of a cyclone dust-collecting apparatus for a vacuum cleaner may improve the capability of dust-collecting of the vacuum cleaner by reducing the amount of the filth drawn into a vacuum-generating device of the vacuum cleaner through a gril... | 03/09/2004 |
| 6660053 | Grill assembly of cyclone dust collecting apparatus for vacuum cleaner A grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner capable of improving dust collecting function of the vacuum cleaner by preventing dust from being drawn to a vacuum-generating device after passing through a grill. The grill ass... | 12/09/2003 |
| 6620217 | Centrifugal separator for separating off water A centrifugal separator is provided for separating water out of wet steam, and comprises a first cylindrical tube and a second cylindrical tube that is coaxially disposed in the first tube. The inner diameter of the first tube is greater than the outer di... | 09/16/2003 |
| 6613116 | Grill assembly of cyclone dust collecting apparatus for vacuum cleaner A grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner capable of preventing dust from being drawn to a vacuum-generating device even in a case that the vacuum cleaner operates when a sealing member is not assembled with a grill body... | 09/02/2003 |
| 6607575 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner A grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner capable of improving dust collecting efficiency of the vacuum cleaner by preventing the filth, drawn thereinto with the air, from being directly drawn into a grill without formin... | 08/19/2003 |
| 6599339 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner A grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner capable of improving the capability of dust collecting of the vacuum cleaner by reducing the amount of the filth drawn into a vacuum-generating device through a grill. The grill ... | 07/29/2003 |
| 6599338 | Grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner A grill assembly of a cyclone dust collecting apparatus for a vacuum cleaner capable of improving the capability of dust collecting of the vacuum cleaner by reducing the amount of the filth drawn into a vacuum generating device through a grill. The grill ... | 07/29/2003 |
| 6514305 | Modular powder coating booth A modular powder recovery apparatus includes a base unit, one or more cartridge filters, and a wrapper that at least partially encloses the cartridge filters. The wrapper is designed to allow additional wrappers to be vertically stacked thereon to increas... | 02/04/2003 |
| 6454823 | Air filter housing having a deflection bowl An air filter housing is provided for an intake air filter for a carburetor of an engine. A clean air receiving chamber is formed in the filter housing and is delimited by a filter element. Opening into the clean air receiving chamber is an intake opening... | 09/24/2002 |
| 6315960 | Apparatus for treating pyrophoric gases and toxic global warming gases A mixing chamber receives pyrophoric gas for mixing with oxygen prior to discharge into an upright housing of the apparatus. Tubular members within the housing define annular passageways through which the mixed gas and oxygen flow in a serpentine manner w... | 11/13/2001 |
| 6293751 | Water/solids extracting blower An extracting blower that removes liquid and solid contaminants from supply air, and provides high velocity air for cooling equipment, personnel and/or structures. The blower uses air velocity and the centrifugal force of a rotating fan to separate the co... | 09/25/2001 |
| 6277162 | Apparatus for depositing solids from an air current An apparatus for depositing solids from a current of air includes a bucket wheel lock, taking up this air current over a connecting opening. This apparatus has a built-in drum with a rotatably supported bucket wheel. On the one hand, a screen is provided ... | 08/21/2001 |
| 6158412 | Air turbulence generator of internal combustion engines The device is utilized to create swirling, turbulent flow to the air entering an internal combustion engine, and to the exhaust gases therefrom prior to the gases entering an air pollution system. The device utilizes multiple curved and radially angled va... | 12/12/2000 |
| 6143049 | Aerosol separator; and method An arrangement for separating a hydrophobic liquid phase from a gaseous stream includes a coalescer filter, a housing, a gas flow direction arrangement, and a liquid collection arrangement. The coalescer filter includes a non-woven media of fibers. The ho... | 11/07/2000 |
| 6090175 | Air inlet for a dust collector An air inlet for a dust collector wherein a scroll inlet duct and an associated cylindrical duct are mounted on the top wall of the dust collector housing so that dust-laden gas flows into the scroll duct and through the cylindrical duct resulting in a ro... | 07/18/2000 |
| 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 |
