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| Number | Title | Issue Date |
| 7971315 | Suction brush for vacuum cleaner A suction brush for a vacuum cleaner includes an upper casing, a lower casing coupled to the upper casing and provided with a suction port through which contaminants are drawn in from a surface to be cleaned, a lift plate disposed between the upper casing and the lo... | 07/05/2011 |
| 7676885 | Carpet cleaner with pressed-down suction A carpet cleaner with a base, a handle, and a plurality of wheels includes a suction opening, a fulcrum, a lever, and a cable line. The suction opening is provided at a front portion of the base of the carpet cleaner. The fulcrum is provided at a rear portion of the... | 03/16/2010 |
| 7340798 | Upright vacuum cleaner with spring loaded nozzle An upright vacuum cleaner includes a nozzle assembly, a canister assembly pivotally mounted to said nozzle assembly, a suction fan and drive motor and a biaser. The biaser has a first end that engages the nozzle assembly and a second end that engages the canister as... | 03/11/2008 |
| 7310855 | Vacuum cleaner counter-balance mechanism A vacuum cleaner is provided having a cleaning head and a main body pivotally mounted to the cleaning head which includes a counter-balance mechanism having at least one torsion spring with a first end thereof mounted for pivotal movement about a fixed axis in eithe... | 12/25/2007 |
| 7290308 | Vacuum cleaner equipped with pivotally mounted agitator section The present invention relates to a floor cleaning apparatus including a nozzle assembly having a base section and an agitator section pivotally mounted to the base section, a canister assembly pivotally connected to the nozzle assembly, a suction generator carried o... | 11/06/2007 |
| 7266861 | Adjustable brush roller accessory for vacuum cleaner or the like A brush roller accessory for a vacuum cleaner includes a main support roller and a power-driven brush roller rotatably arranged in a housing, and a spring-biased adjusting roller that adjustably protrudes from the housing to bear some of the total contact force of t... | 09/11/2007 |
| 7246405 | Self-moving vacuum cleaner with moveable intake nozzle A self-moving vacuum cleaner includes a duct disposed in a casing and having a vacuum inlet which extends downwardly of a bottom wall of the casing, and an impeller disposed to draw dust from the floor surface through the vacuum inlet into the duct. An intake nozzle... | 07/24/2007 |
| 7213298 | Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor A clutchless, direct drive, self-propelled vacuum cleaner includes a nozzle base having a suction inlet and a housing pivotally mounted on the nozzle base. A suction source is mounted to one of the nozzle base and the housing. A filter chamber is located in one of t... | 05/08/2007 |
| 7172734 | Sanitizing device and associated method A sanitizing device comprising: a sanitizing component for sanitizing a surface, liquid, gas, and/or associated surrounding environment, wherein the sanitizing component includes an electrochemical, chemical, and/or corona cell; and a housing for retaining the sanit... | 02/06/2007 |
| 7047595 | Self-running cleaning apparatus This invention provides a self-running cleaning apparatus and self-cleaning method that is capable of efficiently moving over the entire bottom surface of a pool and cleaning the entire bottom surface of the pool in a short period of time. A movement-control unit | 05/23/2006 |
| 6990709 | Vacuum sweeping system for automatic scrubber A vacuum sweeper is cantilevered to a hinged bracket mounted to the front of a conventional automatic floor scrubber. The sweeper includes a vacuum head, an overlying debris ramp, and two vertically rotating, conical brushes having their base ends in contact with th... | 01/31/2006 |
| 6964081 | Soft floor scrubber An operator driven, ridable carpet cleaning machine is provided with a pressurized cleaning solution spray applicator located forward of a counter-rotating pair of cylindrical brushes and a pair of articulating vacuum shoes. The pressurized spray enables the deliver... | 11/15/2005 |
| 6957473 | Upright vacuum cleaner with spring loaded nozzle An upright vacuum cleaner includes a nozzle assembly, a canister assembly pivotally mounted to said nozzle assembly, a suction fan and motor and a biaser. The biaser has a first end that engages the nozzle assembly and a second end that engages the canister assembly... | 10/25/2005 |
| 6799351 | Floating nozzle A power nozzle for use with a vacuum cleaner. The power nozzle includes a housing having at least two compartments and a bottom surface, a rotary brush at least partially in a front compartment of the housing, a brush motor at least partially positioned in an back c... | 10/05/2004 |
| 6772474 | Upright vacuum cleaner with spring loaded nozzle An upright vacuum cleaner includes a nozzle assembly, a canister assembly pivotally mounted to said nozzle assembly, a suction fan and drive motor and a biaser. The biaser has a first end that engages the nozzle assembly and a second end that engages the canister as... | 08/10/2004 |
| 6591447 | Spring loaded vacuum cleaner nozzle A vacuum cleaner of the fixed or floating nozzle type wherein a spring is utilized for urging the suction nozzle into the carpet pile to maintain and improve nozzle suction over a wide range of carpet pile heights and types. Such cleaners often lose nozzl... | 07/15/2003 |
| 6581239 | Cleaner head for a vacuum cleaner The invention provides a vacuum cleaner (10) comprising a main body (12) and a cleaner head (22) movably mounted theon, the cleaner head (22) having a downwardly directed suction opening (24), characterised in that the cleaner head (22) is mounted on the ... | 06/24/2003 |
| 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 |
| 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 |
| 6099661 | Method and apparatus for increasing the air flow into a vacuum cleaner head A vacuum cleaner head having a dirty air inlet has an associated restricting member which is operable to reduce the size of the dirty air inlet thereby increasing the velocity of the air entering the air flow path.... | 08/08/2000 |
| 5983446 | Multiple suction nozzle vacuum heads In apparatus to facilitate vacuum cleaning carpets with obstacles, the first combination comprising a suction base, at least two of each of the following components: suction heads, suction hoses, suction head position rods, dusting brush holders, dusting ... | 11/16/1999 |
| 5970571 | Suction hood for wet floor cleaning machines In a suction hood (2) for a wet floor cleaning machine (1) in which a motor-driven scrubbing roller (3) rotates, accompanied by application of water, on an axle (free-arm axle) which is clamped in on only one side within the suction hood (2) which overlap... | 10/26/1999 |
| 5819370 | Floorcare machines such as vacuum cleaners To adjust a brush roller to the current operating conditions, a brush attachment to hold the brush roller and drive mechanism is realized in the form of an upper part and a separate inner part. The inner part is thereby mounted in the upper part so that t... | 10/13/1998 |
| 5522114 | Carpet cleaning apparatus An improved rotary brush carpet cleaning apparatus provides superior cleaning performance both by more efficiently dispensing shampoo onto a scrubbed portion of a carpet and by more effectively holding an extraction ring against the surface being cleaned ... | 06/04/1996 |
| 5465456 | Floor cleaning apparatus Mobile floor cleaning apparatus of the type having a nozzle assembly for spraying a cleaning solution on carpet or other floor covering, a motor driven brush for scrubbing the wet floor, and a vacuum system for extracting dirty solution from the floor. Th... | 11/14/1995 |
| 5347678 | Head assembly for a vacuum cleaning apparatus having dual-individually floating heads A cleaning head assembly for a vacuum cleaning apparatus of the wet, dry and wet/dry types includes a rotatably driven brush carried within and laterally spanning the head assembly. A pair of floating vacuum heads are positioned on opposite sides of a hou... | 09/20/1994 |
| 5319828 | Low profile scrubber A floor scrubbing machine for tile and other hard surface floors has a low enough profile height that it can be operated bodily under furniture or equipment such as, for example, seats in fast food stores. This floor scrubber has three principle functioni... | 06/14/1994 |
| 5147002 | Robotic decontamination apparatus A remote controlled decontamination apparatus for removing, collecting and remotely disposing of contaminated material, including a complete system that provides a self-propelled vehicle having separate drives for left and right track assemblies as well a... | 09/15/1992 |
| 4934012 | Device for brushing the gasket face of a manhole for gaining access to the inside of a vessel The invention relates to a device for brushing the gasket face of a manhole for gaining access to the inside of a vessel. The invention comprises a main frame (100), a secondary frame (200) mounted to rotate relative to the main frame (100) about an axis ... | 06/19/1990 |
| 4888850 | Vacuum cleaner nozzle arrangement A vacuum cleaner nozzle arrangement has a nozzle defining a suction channel arranged across the width of the nozzle with suction edges surrounding the channel. The nozzle is connected to a connecting wand via a conduit segment disposed therebetween and a ... | 12/26/1989 |
| 4856138 | Bowling lane vacuum with floating head An improved bowling lane stripping apparatus is disclosed of the type wherein the squeegee-equipped pickup head whose function it is to wipe the alley free of dirt-laden solvent is pivotally connected to the carriage carrying the power unit such that this... | 08/15/1989 |
| 4803753 | Self-propelled carpet scrubbing machine A self-propelled carpet scrubbing machine includes a solution tank for storing cleaning solution and a recovery tank for storing the dirty recovered solution. The machine is front-wheel driven and includes a rear axle which is mounted by means of a resili... | 02/14/1989 |
| 4729141 | Disc brush suspension for a floor maintenance machine This is concerned with a disc brush suspension or arrangement for a scrubber or sweeper or the like. The arrangement uses a flexible bellows which may be of rubber or a suitable rubber substitute which functions as the total or primary suspension for the ... | 03/08/1988 |
| 4696076 | Vacuum cleaner nozzle The invention relates to a vacuum cleaner nozzle that is provided with a latching device between the attachment stub and the nozzle housing. These elements are latched together in a defined swivelling range in such a way that they perform a common synchro... | 09/29/1987 |
| 4642842 | Rotary scrubber with inwardly retractable foam extractor ring mount A rotary scrubber-polisher base has a pair of vacuum liquid pickup attachment supporting mounts mounted from opposite side portions of the base and including laterally outwardly projecting mounting shanks for support of opposite side portions of the attac... | 02/17/1987 |
| 4594749 | Vacuum cleaner with air jet assist A vacuum cleaner head with a hood which closely fits the floor has a rotor with a plurality of nozzles supported on a hub with a slot. Outside air is drawn through the hub and nozzles into the hood to provide air jets from the nozzles which assist in disl... | 06/17/1986 |
| 4498214 | Carpet cleaning apparatus with auxiliary cleaning device arrangement A carpet cleaning apparatus is disclosed which includes a new and improved auxiliary cleaning device arrangement incorporated in a conventional vacuum cleaner. The auxiliary cleaning device is movable into a carpet engaging position for frictionally engag... | 02/12/1985 |
| 4485519 | Ozone cleaning system The present invention relates to a system for ozone cleaning of surfaces on carpets, furniture, drapery and the like. The system comprises an ozone producing unit and a portable cleaning unit having a cleaning head. The ozone produced in the system is dir... | 12/04/1984 |
| 4483041 | Support for a squeegee assembly An improved support (48) for mounting a crescent shaped squeegee assembly (46) on the body (18) of a self propelled walk behind floor scrubbing machine (10) of the type which deposits cleaning fluid on a hard surfaced floor, scrubs the floor, and then squ... | 11/20/1984 |
| 4441229 | Rotary cleaner-polisher A rotary flooring cleaner-polisher wherein a shroud overlies a plurality of floor contacting rotating wands. The operator is able to selectively supply fluid, a vacuum or both to the area beneath the shroud permitting both application and extraction withi... | 04/10/1984 |
