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| Number | Title | Issue Date |
| 7291192 | Removable gas/liquid separator for a motor A motor-driven blower, particularly suited for carpet cleaners and other wet vacuuming appliances, includes a rotating separator cup to impede water droplets and foam from being drawn into the blower. The separator cup is removably connected to a spider bracket that... | 11/06/2007 |
| 7287301 | Utility vacuum A utility vacuum that may be configured to employ a disposable bag or removable and reusable container for the collection of dirt and debris that are drawn into the utility vacuum. The utility vacuum may employ one or more movable legs that are movable between an ex... | 10/30/2007 |
| 7263743 | Motor mount assembly A motor mounting assembly includes a motor mount member having a first and second generally opposing sides. A generally U-shaped channel is formed in the second side of the motor mount member extending around its periphery to form a lip extending from the first side... | 09/04/2007 |
| 7251855 | Electric vacuum cleaner An electric vacuum cleaner with a vacuum cleaner main body that includes a water pan which stores water for removing dust from dust-containing air, and a suction compartment made up with a main casing detachably installed on the water pan compartment, a separator th... | 08/07/2007 |
| 7210195 | Integrated spider separator A vacuum cleaner assembly comprising a body, a motor disposed within the body and having an output shaft for rotating about axis, a fan coupled to the output shaft for generating a vacuum airflow through an air intake port in the body, and a separator coupled to the... | 05/01/2007 |
| 7203992 | Separator for vacuum cleaner The separator has a bottom (12), a cylindrical body with turbine blades (15), and a sealing ring (11) at the upper end. The separator is made of segments or of an integral one piece. The segment of the separator (10) is manufactured as a ... | 04/17/2007 |
| 7163199 | Ventilation system for fuel cell water tank A ventilation system for a tank which stores water to be supplied to a fuel cell, which includes: a ventilator for ventilating the tank; a gas discharge line to guide gas in the tank to outside; a separator for separating moisture and/or water from the gas from the ... | 01/16/2007 |
| 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 |
| 7056367 | Method and apparatus for scrubbing gases, using mixing vanes A scrubber for exhaust gases comprises a series of nested counter-flow passages including a hot plenum having a star-shaped section. Exhaust gases from the hot plenum surge through a liquid bath and flow in a reverse direction through an inclined array of flat, over... | 06/06/2006 |
| 7037361 | Dust collector with an inbuilt cyclonic water filter A dust collector with an inbuilt cyclonic water filter, comprising a cup-shaped dust collecting unit, a water filter, a fan, a dust passage, an air flow passage, incoming and outgoing air passages; wherein, the outlets of the water filter open into the inlet of the ... | 05/02/2006 |
| 6942722 | Air and room cleaning device Air and room cleaning device (1, 21) with a suction motor and a supply of water (8), with a rotating separator which is wetted by the water and through which the air flows and with a control unit (17) which brakes the suction motor (15, 23 | 09/13/2005 |
| 6926759 | Air filter An air filter baffle unit that works with large type canister wet/dry type vacuums. The baffle unit also can be used in large air filter systems and can be ganged to increase filtering. The baffle unit has two sections that are connected for use. An inlet pipe is co... | 08/09/2005 |
| 6905537 | Machine and process for filterless removal of particles and organisms from ambient air, carpets and furnishings A machine and process for filterless wet removal of particles from air, carpets or upholstery, comprised of a suction inlet pipe or other contained conveyance for drawing particle laden air and solvent fluid simultaneously into an impeller, an injection orifice for ... | 06/14/2005 |
| 6899747 | Separator for a wet vacuum device and method for separating dirt and dust particles as well as water droplets from an air/gas stream of a wet vacuum device A separator for a wet vacuum device has a bottom and a sidewall connected to the bottom. The sidewall has stays defining slots between the stays. An air/gas stream, containing particles to be separated from the air/gas stream, enters the separator through the slots ... | 05/31/2005 |
| 6866705 | Floor finishing and dust collection apparatus Sanding and screening are steps in floor finishing that produce large quantities of fine dust which is difficult to remove and which plugs porous filter elements of dust collection systems. Dust collection is enhanced with a floor screening attachment for a floor ma... | 03/15/2005 |
| 6626983 | Method and apparatus for removing particulates An apparatus for removing particles and/or other undesirable components from a gas stream includes a container containing a liquid, an inlet for the gas stream permitting wetting of at least a portion of the gas stream, and an outlet from the container fo... | 09/30/2003 |
| 6565637 | Filter assembly for a vacuum cleaner A filter assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. A motor moves air from the inlet to the outlet, and a first filter is arranged between the inlet and the outlet for filtering the air. An inner wall and an ... | 05/20/2003 |
| 6508867 | Vacuum cleaner A vacuum cleaner is provided having a housing, a suction unit arranged therein and a suction pipe which enters the housing and is connected to the suction side of the suction unit via a dirt collecting container and a separating device. The closed dirt co... | 01/21/2003 |
| 6432180 | Filter assembly for a vacuum cleaner A filter assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. A motor moves air from the inlet to the outlet, and a first filter is arranged between the inlet and the outlet for filtering the air. An inner wall and an ... | 08/13/2002 |
| 6391101 | Separator with multiple function vanes for a vacuum cleaner apparatus A vacuum cleaner apparatus includes a housing, a motor disposed within the housing and having an output shaft, and a fan coupled to the output shaft for generating a vacuum airflow through an air intake port in the housing. A separator is operably coupled... | 05/21/2002 |
| 6379439 | Vacuum cleaner In order to elevate dust collecting efficiency by improving a suction work efficiency of a water filter type vacuum cleaner, an air containing dust particles sucked through a sucking opening by virtue of a motor driven blower provided built in a casing of... | 04/30/2002 |
| 6338750 | Cleaning apparatus Cleaning apparatus that has at least one suction device that sucks fluid toward the inside of the apparatus and is connected to an external suction duct. Interposed between the duct and the suction device is a device that holds back the solid particles pr... | 01/15/2002 |
| 6312508 | Filter assembly for a vacuum cleaner A filter assembly for a vacuum cleaner that includes a main housing having an inlet and an outlet. A motor moves air from the inlet to the outlet, and a first filter is arranged between the inlet and the outlet for filtering the air. An inner wall and an ... | 11/06/2001 |
| 6306199 | Separator with multiple function vanes for a vacuum cleaner apparatus A vacuum cleaner apparatus includes a housing, a motor disposed within the housing and having an output shaft, and a fan coupled to the output shaft for generating a vacuum airflow through an air intake port in the housing. A separator is operably coupled... | 10/23/2001 |
| 6290761 | Filter for vacuum cleaner A vacuum cleaner assembly includes a main housing) having an inlet, a recess and an outlet disposed within the recess. A water bath filter is coupled to the main housing and disclosed between the inlet and the single outlet. The water bath filter is for f... | 09/18/2001 |
| 6267805 | Apparatus for scrubbing a continuous flow of gas charged with solid particles The invention relates to an apparatus for scrubbing with water a continuous flow of charged gas, the apparatus including a scrubbing chamber; an inlet via which the scrubbing water is fed into the scrubbing chamber; a scrubbing throat for mixing the scrub... | 07/31/2001 |
| 6245133 | Gas condensing and cooling system A gas condensing and cooling system for cooling hot vaporous emissions from a hot vaporous emissions source to a level below prescribed regulatory limits that includes a cooling unit that operates using a readily available pressurized natural gas as the r... | 06/12/2001 |
| 6224656 | Cleaner for both dry and wet use having a moveable ring connected to a fan, the moveable ring having circumferential ribs A cleaner for both dry and wet use capable of sucking not only a solid but also a semisolid and liquid. The cleaner comprises a suction member; a fan for gas-liquid separation which rotates by operation of the suction member; a movable ring disposed above... | 05/01/2001 |
| 6162287 | Filter for vacuum cleaner A vacuum cleaner assembly (10) is disclosed that includes a main housing (12) having an inlet (14) and an outlet (16). A motor (17a) is disposed within the main housing (12) between the inlet (14) and the outlet (16) for providing motive force to a coolin... | 12/19/2000 |
| 6132493 | Apparatus and method for washing air with a liquid without an eliminator An air washer includes an upwardly-open vessel for holding an air washing liquid. An air inlet opening into the upwardly open vessel introduces air to be washed below the upper level of the air washing liquid, and a chamber above the upper level of air wa... | 10/17/2000 |
| 6019826 | Vacuum cleaner A vacuum cleaner having a suction path at least partially submerged in a container of water is subdivided into two parts. An upper part supports a suction motor assembly, and a lower part includes a container of water engaged perimetrically by hooking mea... | 02/01/2000 |
| 6004379 | System for quenching and scrubbing hot partial oxidation gas A scrubbing tower and high pressure settler assembly, and the process for using same to remove particulates from a hot partial oxidation gas stream is disclosed. The scrubbing tower and high pressure settler assembly has a dip tube, a bottom portion, a to... | 12/21/1999 |
| 5908493 | Filtering system for cleaning air The present invention is a three stage water-from-air-filter system which can be used in combination with substantially any household vacuum cleaner. The system includes a main cylindrically shaped body and a hollow cylinder within the main body. The main... | 06/01/1999 |
| 5902386 | Reduced diameter separator for a vacuum cleaner apparatus A vacuum cleaner assembly having a separator of reduced dimensions. The separator is operated at preferably between about 20,000 rpm-30,000 rpm and includes a reduced number of slots formed therein. A labyrinth sealing plate and fan adapter are secured to... | 05/11/1999 |
| 5873930 | Water-air baffle filter A filtration device particularly for use with vacuum cleaners used for collection of fine particles which tend to clog porous solid filters. The device utilizes readily replaceable water as a filtration medium with air being forced into the water then rel... | 02/23/1999 |
| 5858072 | Gas suction filtration apparatus A gas suction filtration apparatus in which a liquid filter medium is contained in a closed container. A gas intake pipe is positioned so as to introduce the gas to be filtered into the bottom of the container and a suction device applies a suction force ... | 01/12/1999 |
| 5820657 | Method and apparatus for percolating vacuum cleaning Method and Apparatus for Percolating Vacuum Cleaning wherein driven by vacuum incoming to the apparatus mixture of air and other substances is directed under the top surface of a liquid, where heavier than air particles remain, but cleaned air particles p... | 10/13/1998 |
| 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 |
| 5178653 | Multigas scrubber The invention relates to an appparatus where the wet scrubbing of several different gas flows is carried out in at least three scrubbing towers, and the droplet separation of scurbbed gases takes place in a cyclonic, uniform droplet separator constructed ... | 01/12/1993 |
| 5125129 | Intake nozzle assembly for a liquid bath vacuum cleaner A vacuum cleaner system having an intake nozzle integrally formed with a concave lower portion of a main vacuum canister of a vacuum cleaner system. The intake nozzle protrudes downwardly and communicates with an opening in a convex upper surface of a liq... | 06/30/1992 |
