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| Number | Title | Issue Date |
| 6442790 | Portable blower/vacuum having air inlet cover attachable to blower tube A blower/vacuum having an air inlet cover and a blower tube, both of which attach to a blower housing for operation in a blower mode. The air inlet cover is preferably able to removably attach to the blower housing and the blower tube. Blower/vacuums of t... | 09/03/2002 |
| 6405403 | Cleaning tool with removable cleaning sheets A cleaning tool for cleaning a surface has a core with a lower surface and an upper surface. A first set of cleaning sheets is each removably supported on the lower surface in a stacked configuration. Each of the sheets includes a bibulous layer and a moi... | 06/18/2002 |
| 6401296 | Vacuum cleaner nozzle adapter A removable suction nozzle inlet adapter is taught for converting the suction inlet of a vacuuming nozzle from a straight line inlet to one having either a convex or concave suction inlet whereby curved carpet and/or upholstery surfaces may be vacuumed. T... | 06/11/2002 |
| 6397429 | Riding floor scrubber A riding floor scrubber (10) is disclosed having a relatively narrow cleaning width for passing through relatively narrow passages such as conventional doorways. The riding floor scrubber (10) includes a recovery tank (16) that is vertically and laterally... | 06/04/2002 |
| 6393657 | Brush roll rotation indicator A magnet is attached to a vacuum cleaner brush roll in a position to provide brush bristles on both sides of the magnet along the length of the brush roll. The magnet is attached to the brush roll in a recess that may be a circumferential groove or a bore... | 05/28/2002 |
| 6389641 | Dual mode debris pickup machine A vacuum trash collection vehicle includes a debris container and a source of vacuum on the vehicle. There is a hose connected at one end to the debris container and has the source of vacuum applied thereto. The hose is open at its other end to form a deb... | 05/21/2002 |
| 6385811 | Suction head for floor vacuum cleaners A suction head for floor vacuum cleaners has a unitary plastic housing (1) containing a suction channel (2), and a bottom plate (7) arranged on the underside of the housing and having a suction mouth (13). The suction mouth adjoins a vertically aligned, b... | 05/14/2002 |
| 6385809 | Gasketless wet/dry vacuum with switchable blowing The vacuum includes a body having a main air passageway, and first and second air passageways diverging from the main passageway. The first air passageway defines a blower port. A closable door having an open and a closed position directs air flow from th... | 05/14/2002 |
| 6381802 | Brush assembly of a vacuum cleaner A brush assembly for a vacuum cleaner includes a brush cover; a brush base connected to the brush cover, a rotary drum disposed between the brush cover and the brush base, and an edge brush integrated bumper. The edge brush integrated bumper is mounted ar... | 05/07/2002 |
| 6381805 | Vacuum cleaning attachment tool A vacuum edge cleaning attachment tool which enables the user to walk upright while vacuum cleaning an edge between the floor an a wall. The tool has an angled suction port which is guided by two orthogonal surfaces while cleaning the intersection area be... | 05/07/2002 |
| 6378166 | Universal vacuum extension kit A vacuum extension kit elements includes extensions, a flexible hose and an adapter, each having plural diameter male and female connectors for connection to different size vacuum cleaner elements and attachments. The conduit through the elements is essen... | 04/30/2002 |
| 6378164 | Pump inlet fitting A pump inlet fitting for a wet/dry vacuum cleaner is disclosed. The pump inlet fitting frictionally attaches a pump inlet assembly to an inner surface of an intake tube of a wet/dry vacuum cleaner. The pump inlet fitting includes a plurality of radially e... | 04/30/2002 |
| 6374454 | Device for cleaning air conduits Device to clean air ducts which, as it includes a header connected to a compressed air generator by means of a supply hose, is characterised because the header has a front part (5) which can be connected in an adjustable fashion, to a back part (4) provid... | 04/23/2002 |
| 6370731 | Vacuum dusting attachment device A dusting attachment device is disclosed for use in interaction with a line or connection hose of a suction or blowing type cleaning system. The invention is provided with a core unit with base and apex ends and three lengthwise oriented portions. The cor... | 04/16/2002 |
| 6347428 | Hand-held wet/dry vacuum A hand-held portable wet/dry vacuum comprising a cleaning fluid tank, a motor housing and a dirty fluid tank. The cleaning fluid tank is selectively mounted on the motor housing. A siphon, which is controlled by an actuator, is located in the cleaning flu... | 02/19/2002 |
| 6345409 | Vacuum nozzle for cleaning ceiling fan blades A vacuum nozzle attachment having a housing with a venturi-shaped internal air chamber, an angled head and brush-lined aperture, blade guides and an offset tapered tubular neck for attachment to a vacuum hose or wand. The constricted air chamber provides ... | 02/12/2002 |
| 6341404 | Upright vacuum cleaner with cyclonic airflow pathway An upright vacuum cleaner includes an upright housing section and a nozzle base section. A cyclonic airflow dirt and dust separating chamber is defined in the upright housing section. A suction source pulls air and entrained dirt, dust, and other contamin... | 01/29/2002 |
| 6334234 | Cleaner head for a vacuum cleaner An upright vacuum cleaner has a cleaning head for cleaning a surface and an upper body portion mounted on the cleaning head. The upper portion comprises a longitudinally extending axis, at least one cyclone having an air entry port and a motor positioned ... | 01/01/2002 |
| 6324722 | Vacuum-cleaner with recirculation of exhaust air In a vacuum cleaner, a suction side of an electric fan contained in a cleaner main body is connected to a suction port body via a suction air passage and an exhaust side of the electric fan is connected to the suction port body via an exhaust air passage.... | 12/04/2001 |
| 6324723 | Wet pickup attachment for vacuum cleaners A wet pickup attachment for vacuum cleaners has a pair of independent float operated valves to close primary and secondary exhaust openings responsive to different water levels in a collection tank and thereby prevent aspiration of water into a vacuum cle... | 12/04/2001 |
| 6324715 | Apparatus for cleaning semiconductor substrates A cleaning method and apparatus using very dilute Standard Clean 1 (SC1) for cleaning semiconductor substrates, including silicon wafers. The SC1 is delivered to the core of a brush where the solution is absorbed by the brush and then applied by the brush... | 12/04/2001 |
| 6314609 | Mouth powered vacuum A mouth powered vacuum is provide with a cap with a lip at a lower end attached around a mouth of a bottle. The lip is made of a resilient material, so that it can be snapped on and off the bottle without twisting. A curved intake channel is connected bet... | 11/13/2001 |
| 6313470 | Returning a heat exchanger's efficiency to "as new" There are described apparatus and methods wherein ultraviolet light kills and/or degrades and vaporizes microorganisms and organic material which naturally form over time on a heat exchanger. As this matter is eliminated, the pressure drop is decreased (i... | 11/06/2001 |
| 6308375 | Organic debris collection device with curved blower conduit A curved blower exhaust conduit, delivering an air stream carrying pulverized or granulated entrained solids to a substantially sealed cargo chamber enclosure of fixed volume, is provided with a pressure relief vent mounted at an "inner" peripheral region... | 10/30/2001 |
| 6298517 | Cleaning tool with removable cleaning sheets A mop for cleaning a floor includes a handle for a user to grip the mop and a mop head which is interconnected with the handle. The mop head has a lower surface and an upper surface, each of which have a side to side width and a back to front length. Mult... | 10/09/2001 |
| 6295688 | Toilet bowl cleaner A toilet bowl cleaner in the form of a reusable wand which may be mounted on a support when not in use. The support may include a reservoir for a disinfectant liquid. The lower end of the wand is a push fit into the core of a hollow cylindrical head of ab... | 10/02/2001 |
| 6290906 | Method for removing sterilant from objects subjected to gaseous sterilization A method of removing sterilization gas from a load disposed in a chamber. In accordance with the method, the chamber is evacuated to a subatmospheric pressure. A diffusion gas comprising helium is provided. An amount of the diffusion gas is introduced int... | 09/18/2001 |
| 6286172 | Portable inflatable duct cleaning apparatus A portable inflatable heating, ventilating and air conditioning duct apparatus includes a bladder made of resilient material for expansion and contraction. The bladder has a small opening for the movement of air in and out of the bladder. An elongate flex... | 09/11/2001 |
| 6286177 | Under cabinet vacuum device An under cabinet vacuum device including an intake fan disposed interiorly of a cabinet. A collection bin is removably disposed interiorly of the cabinet forwardly of the intake fan. The collection bin has a top wall, a bottom wall, an open rear, an open ... | 09/11/2001 |
| 6282746 | Blower assembly A blower assembly for an automatic car wash is provided. The blower assembly includes a housing, an impeller, a fan motor, an oscillation motor and an oscillation linkage assembly. The impeller is rotatively disposed in the housing. The housing includes a... | 09/04/2001 |
| 6279198 | Convertible wet/dry cleaning system A multi-use floor tool, with which the same nozzle can be used in both dry and wet vacuum operation, and which allows for both wet and dry cleaning attachments to be easily attached and removed is disclosed. One such cleaning attachment for dry operation ... | 08/28/2001 |
| 6279197 | Ductwork cleaning system An accessory system for a ductwork cleaning machine that utilizes a vacuum hose having a rotating cleaning brush the vacuum and the power for the rotating brush being supplied from a remote power unit with a rotating drive cable being located within the v... | 08/28/2001 |
| 6276017 | Multisize bidirectional scraping device The present invention relates to a device 10 for scraping the inner walls of a pipeline. The device has (i) a flexible shaft 16 of elastomeric material, (ii) a plurality of groups of flexible radial scraping bars 14 which are spaced apart and offset angul... | 08/21/2001 |
| 6269517 | Automatic pane cleaning system An automatic pane cleaning system includes a cleaning head containing at least one cleaning chamber, at least one suction chamber and at least one air supply chamber. Clean water, optionally mixed with cleaning additives, is supplied to the cleaning chamb... | 08/07/2001 |
| 6260232 | Surface cleaning apparatus An apparatus for cleaning a surface has a handle joined to a cleaning head operable to dispense liquid onto a surface to be cleaned, mechanically work up dirt, film and particulates from the surface into a vacuum unit. The cleaning head has a cylindrical ... | 07/17/2001 |
| 6260234 | Upright vacuum cleaner with cyclonic airflow A vacuum cleaner includes a first housing defining a cyclonic airflow chamber and a second housing defining a main suction opening that is in communication with an inlet of the cyclonic chamber. A suction source has a suction airstream inlet in communicat... | 07/17/2001 |
| 6261518 | Process and apparatus for plasma sterilizing with pulsed antimicrobial agent treatment A process and equipment for plasma sterilization in which articles in a sterilizing chamber are taken through at least one combination sterilizing cycle. The articles to be sterilized may include the interior of a vessel or chamber. In that case, the vess... | 07/17/2001 |
| 6261379 | Floating agitator housing for a vacuum cleaner head A vacuum cleaner head having a casing having a dirty air inlet, a housing mounted above the dirty air inlet and moveable with respect to the dirty air inlet and a brush roatably mounted within the housing. The brush is moveable with the housing for improv... | 07/17/2001 |
| 6253404 | Electrically operated tooth-cleaning device An electrically operated tooth-cleaning device being provided with a handle part having an electric drive motor. A hanle part can be connected with an attachment provided with a cleansing tool, with the cleaning tool being capable of being caused to rotat... | 07/03/2001 |
| 6243917 | Floating brush for a vacuum cleaner head A vacuum cleaner head has a casing having a dirty air inlet and a brush mounted above the dirty air inlet and moveable with respect to the dirty air inlet. The brush is pivotally mounted to the casing by a pivot member at a position forward of the brush. ... | 06/12/2001 |
