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6467123 Airflow indicator  
An airflow indicator for a vacuum cleaner includes a housing, a wheel chamber defined in the housing, and a rotatable wheel mounted in the wheel chamber. The wheel has protrusions which cause the...
6457206 Remote-controlled vacuum cleaner  
A remote-controlled vacuum cleaner comprises a vacuum cleaner vehicle designed to be positioned and moved in any direction relative to a surface (e.g., a carpet) to be cleaned, and a handheld...
6446302 Extraction cleaning machine with cleaning control  
The invention relates to an extraction cleaning machine including condition sensors for generating condition signals representative of a condition of the surface being cleaned, a controller, and...
6448732 Dual mode portable suction cleaner  
A vacuum cleaner operates via power supplied from either an on-board battery or an AC power outlet. When the vacuum cleaner is operating by using the battery a controller monitors the voltage level...
6442792 Vacuum cleaner  
A vacuum cleaner includes a vacuum cleaner body in which a rotating brush, a dust collecting unit and an electric blower unit are integrally attached to a suction opening casing in which a brush...
6427285 Floor surface cleaning machine  
A floor scrubber ( 10 ) is disclosed including a drive lug ( 62 ) for removably connecting a scrubbing member ( 64 ) to a drive ( 60 ) and having a trough for receipt and catching of solution for...
6405406 Device capable of collecting and drawing dust  
A device is capable of collecting dust and drawing dust and is provided with a machine tool mounted thereon and externally connected with an extension tube. The device comprises a fixation seat for...
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 )...
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...
6381803 Vacuum cleaner  
A vacuum cleaner capable of drawing different current levels in vacuum and blower modes is disclosed. The vacuum cleaner comprises at least one electric motor and an impeller disposed in an...
6368066 Vacuum apparatus and fan casing with wear indicator  
A vacuum apparatus has a recessed portion which is provided at an appropriate position of a fan casing. When incoming materials frequently pass through the fan casing, the recessed portion wears...
6367118 Vacuum cleaner hose clip  
A vacuum cleaner hose clip is disclosed. The vacuum cleaner hose clip includes a first curvilinear arm adapted to wrap partially around a portion of a vacuum cleaner hose, and a second curvilinear...
6370453 Service robot for the automatic suction of dust from floor surfaces  
A self-moving device and method for the complete and full automatic examination of floor surfaces of all kind as well as for a particularly efficient suction of dust therefrom. In each case, the...
6363570 Upright extraction cleaning machine with illumination  
A portable surface cleaning apparatus having a floor-traveling base module and an upright handle pivotally mounted to the base module, a liquid dispensing system including a dispensing nozzle...
6360399 Hand-held vacuum cleaner with interchangeable control panel module  
An interchangeable control panel module removably mountable to the housing of the powered unit of a hand-held vacuum cleaner may be configured to provide the feature mix of a given product model...
6351870 Combined high pressure cleaning and suction appliance  
In order to keep the dimensions of the drive motor as small as possible in a combined high pressure cleaning and suction appliance incorporating a drive motor whose drive shaft drives both a high...
6351872 Agitator motor projection system for vacuum cleaner  
A vacuum cleaner includes a housing incorporating a handle assembly and a nozzle assembly, a suction fan and cooperating suction fan drive motor carried on the housing, a rotary agitator held in...
6341403 Two-way guard for vacuum cleaner  
The invention provides a two-way protecting guard for a vacuum cleaner bumper that picks up magnetic metal objects in rugs or carpets prior to such objects entering the vacuum cleaner housing and...
6309469 Debris access door  
A vacuum cleaner includes a receptacle, a motor assembly in air flow communication with the receptacle, and a lid on the receptacle. The vacuum cleaner also includes a hose inlet on the receptacle,...
6301743 Vacuum cleaner with static dissipation circuit  
A vacuum cleaner including a suction fan and a suction fan drive motor also includes a power control circuit with a controller, and a reset toggle. First and second capacitors are positioned with...
6295693 Air compressor having attachable and detachable nozzle  
An air compressor includes a housing having an air outlet for selectively supplying a pressurized air to an air device, and having a port for coupling to the air device and for drawing the air out...
6289552 Vacuum cleaner with dual agitator windows  
A vacuum cleaner includes a housing having a nozzle that incorporates an agitator cavity. A rotary agitator is received in the agitator cavity. A light source is held in an illumination compartment...
6288362 Method and apparatus for treating surfaces and ablating surface material  
A system for treating surface material overlying a substrate, and more particularly, to a system for ablating contaminates and other unwanted material from a worksite using a pulsed laser beam. The...
6253415 Knapsack engine-driven tool  
A knapsack engine-driven tool driven by an engine provided on a knapsack frame consists of a supporting tool composed of a hollow tube made of a flexible rigid material, preferably of brass, whose...
6255792 Intelligent suction device capable of automatically adapting the suction force according to the conditions of the surface, particularly for vacuum cleaners and the like  
An intelligent suction device, particularly for vacuum cleaners and the like, includes a fuzzy-logic controller for controlling the motor of a fan or turbine. The suction pressure is detected by at...
6243913 Cleaning device  
In order to further develop a cleaning device comprising a cleaning liquid tank and a dirty liquid tank as well as a pump in flow communication with the cleaning liquid tank for spraying a surface...
6230363 Large-scale cleaning vehicle  
A large-scale cleaning vehicle, for operation with a forklift, includes rotation brushes for sweeping debris toward a center of said cleaning vehicle, a sweeping brush for sweeping the debris into...
6230361 Dust pan closure for a vacuum cleaner  
A vacuum cleaner includes a receptacle with an interior, a motor assembly that draws air from the interior of the receptacle, an inlet on the receptacle wherein the inlet receives vacuumed...
6217641 Dust container for a vacuum cleaner  
A dust container for a vacuum cleaner having contacts electrically connected to an electric circuit that permits the vacuum cleaner to be activated only when an electrical connection is established...
6202243 Surface cleaning machine with multiple control positions  
A surface cleaning machine includes a chassis, wheels for supporting the chassis and a motor for moving the chassis. There are cleaning implements mounted on the chassis and there is a steering...
6199244 Vacuum cleaner with electrostatically charged components  
A vacuum cleaner for cleaning floors or carpets, having a suction mouth (6), a base plate (5), which encloses the suction mouth (6), and a suction line, electrostatic charging of parts of the...
6196775 Apparatus for extracting chips from slots cut into a substrate  
In an apparatus for extracting chips from slots cut into a substrate, a cutter having a cutting implement is mounted thereon and is adapted to cut slots into the substrate. At least one injector is...
6192548 Upright extraction cleaning machine with flow rate indicator  
A portable surface cleaning apparatus including a base module for movement along a surface, an upright handle pivotally attached to the base module, a liquid dispensing system including a flexible...
6185782 Rain-gutter cleaning system  
A rain-gutter cleaning system has an agitator head that is mounted to the top end of a long suction tube and pole and supported aloft by them. A vacuum pump on the ground is connected to bring...
6182328 Mobile cleaning system  
A mobile cleaning system in which an extraction blower is driven by a hydraulic circuit including a pump driven by the engine of the transport vehicle and a motor connected to the blower. The...
6178591 Dust free and noise improved vacuum cleaner module  
A vacuum cleaner module including a vacuum blower head and a support assembly for positioning in an opening defined between a movable window and a corresponding window sill of a building. The...
6178592 Ballast frames for maintaining flexible mesh screen vents unclogged  
A lightweight ballast frame with a metal rim spanned by one or more metal mullions is loosely anchored at several points to a flexible screen mesh covering a vent formed in an enclosure defining a...
6170119 Method and apparatus for reducing the size of elongate particulate material in a vacuum cleaner head  
A vacuum cleaner head is provided with cutting elements positioned in the air flow path of the vacuum cleaner head to reduce the size of elongate particulate material entering the dirty air inlet.
6167588 Vacuum cleaner with filter clogging indicating means  
The invention provides a vacuum cleaner having an airflow path, dust separating apparatus (16) arranged in the airflow path and a motor (24) arranged in the airflow path downstream of the dust...
6154919 Sawdust collection system  
A system for collecting sawdust generated by a woodworking implement such as a table saw includes a funnel for directing sawdust from the saw to one end of a first hose, the other end of which...
6151749 User-carried vacuum cleaner  
A vacuum cleaner includes a backpack enclosure that removably encloses an impeller/motor unit. The backpack enclosure has a substantially block-shaped outer configuration and is made from a pliable...
6151751 Vacuum cleaner with dust bag retention flaps  
A vacuum cleaner is provided including a nozzle assembly, an agitator brush mounted for relative rotation on the nozzle assembly, a motor and fan assembly carried on the vacuum cleaner and a handle...
6145162 Suction head for an apparatus for sucking fluid media  
A suction head for a suction device including an annular support member (1), an annular guide member (2) releasably connectable with the support member (1), a suction nipple (51) connected with the...
6142310 Magnetic sweeper  
The magnetic sweeper of this invention includes a laterally elongated hollow body of non-magnetic material having an open top and containing a pair of laterally spaced permanent magnets. The...
6131239 Ground debris vacuum  
Leaves and other loose debris on a ground surface can be removed and collected by a portable vacuum that includes a motor-operated fan located at the upper end of an upright passage structure that...
6105205 Power working machine  
A power working machine has a noise level display device which enables the noise level of the machine to be easily recognized with the naked eyes. When compressed air that is pressurized and...
6101670 Dust collection tester for a vacuum cleaner  
A dust collection tester of a vacuum cleaner for conveniently cleaning by vacuum absorption floors, carpets, sofas, etc., which makes it possible to visually confirm dust collection force of the...
6101672 Rotatable handle for a vacuum cleaner  
A vacuum cleaner handle is provided which offers improved ergonomic characteristics by providing a grip portion which is rotatably mounted and may be offset from the center line axis of the cleaner...
6101667 Vacuum cleaner  
A vacuum cleaner includes an automated air quantity adjusting mechanism which has good linearity and has no hysteresis. The automated air quantity adjusting mechanism includes an exhaust opening...
6098244 Handle for vacuum cleaner having an offset hand grip portion  
A vacuum cleaner handle is provided which offers improved ergonomic characteristics by providing a grip portion which is offset from the center line axis of the cleaner head.