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"During my service in the United States Congress, I took the initiative in creating the Internet."
Al Gore ; The basis for the later misquote by US Republicans that Gore had "invented" the Internet. Gore was the leading political champion of the modern-day Internet.
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| Number | Title | Issue Date |
| 8087117 | Cleaning robot roller processing A coverage robot includes a chassis, a drive system, and a cleaning assembly. The cleaning assembly includes a housing and at least one driven cleaning roller including an elongated core with end mounting features defining a central longitudinal axis of rotation, mu... | 01/03/2012 |
| 7992245 | Cleaning tool and cleaning device having such a cleaning tool The invention relates to a cleaning tool for a cleaning device, the cleaning tool being subject to wear during operation. In order to make it easier to identify wear, the invention proposes that the cleaning tool comprise a sensor device with a sensor element which ... | 08/09/2011 |
| 7861352 | Powered cleaning appliance A powered sweeper includes a housing, a brushroll chamber disposed in the housing, a brushroll mounted in a brushroll chamber, a dirt chamber disposed in the housing, a drive motor disposed in the housing, and a driven wheel operatively connected to the drive motor.... | 01/04/2011 |
| 7665174 | Cleaning head for use in a floor cleaning machine A cleaning head for use with a floor cleaning machine comprises first and second cleaning tools, at least one motor and a cleaning tool support. The at least one motor is configured to respectively drive rotation of the first and second cleaning tools about first an... | 02/23/2010 |
| 7395572 | Rotating brush controlling apparatus in a floor sweeping machine Provision is made for a rotating brush controlling apparatus (8) in a floor sweeping machine (1), comprising: a lifting device (15) suitable for applying a lifting force (15a) which is capable of lifting a rotating brush (8)... | 07/08/2008 |
| 7367076 | Dry powder spreader A carpet cleaning machine for uniformly spreading a dry carpet cleaning powder onto a surface and working the dry carpet cleaning powder into the surface. The cleaning machine includes base having a hopper integrally formed therein, distribution slots on the bottom ... | 05/06/2008 |
| 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 |
| 7340795 | Floor sweeper A floor sweeper head is mounted to an elongated handle by a universal pivot or universal joint which allows the floor sweeper head to easily pivot about the handle in any direction to pick up debris under over hanging cabinets or under furniture. The floor sweeper h... | 03/11/2008 |
| 7334284 | Surface cleaning apparatus A surface cleaning apparatus includes a surface cleaning strip and means responsive to movement of the surface cleaning apparatus over a surface to be cleaned for positioning the cleaning strip relative to the surface to be cleaned in dependence upon the direction o... | 02/26/2008 |
| 7329294 | Dirt container for a surface cleaning apparatus and method of use A dirt container for a surface cleaning apparatus is constructed from an air impermeable material and exterior walls of sufficient rigidity to maintain the shape of the dirt container. The dirt container may be supplied in a disassembled condition and assembled by a... | 02/12/2008 |
| 7272870 | Secondary introduction of fluid into vacuum system An apparatus and method for minimizing the accumulation of soil and debris within a vacuum system of a surface maintenance machine is disclosed. A secondary fluid, such as pressurized cleaning solution, is sprayed into the vacuum system in order to reduce soil and d... | 09/25/2007 |
| 7243393 | Agitator drive configuration The invention is an agitator configuration for a floor care appliance such as an upright vacuum cleaner. The floor care appliance is provided with at least two agitator chambers each having at least one rotary agitator member disposed therein. In the preferred embod... | 07/17/2007 |
| 7228593 | Appliance which utilizes a magnetic clutch to transmit power from a drive means to a movable member and a magnetic clutch An appliance comprises a moving member, a drive motor, and a linkage drivingly connecting the drive motor to the moving member, the linkage including first and second magnetic coupling members The magnetic clutch may have first and second magnetic coupling members. ... | 06/12/2007 |
| 7199711 | Mobile floor cleaner data communication In a method of communicating data from a mobile floor cleaner to a remote receiver a data communication is initiated from a communicator of the mobile floor cleaner to the remote receiver and data is communicated to the remote receiver with the communicator. ... | 04/03/2007 |
| 7185396 | Brush of cleaner A brush of a cleaner comprising: a rotation shaft rotatably supported at a lower surface of a body; a brush hub fixed to the rotation shaft; and brush hair mounted at an outer circumference surface of the brush hub for sweeping dust and contamination of a floor, whe... | 03/06/2007 |
| 7174676 | Self-cleaning gutter guard A device mountable to a gutter for removing debris therefrom includes an elongated shaft with proximal and distal end portions positionable within the gutter, a plurality of debris-removing members mounted about the shaft and between the proximal and distal end port... | 02/13/2007 |
| 7168124 | Grill brush and grill cleaning system An improved grill brush for cleaning grill grates and a cleaning system including a grill grate specifically adapted for use with the disclosed grill brush includes a head portion and a handle portion. A plurality of metallic bristles is mounted to and extends from ... | 01/30/2007 |
| 7159277 | Multiple chamber suction nozzle configuration A vacuum cleaner is provided having a suction nozzle comprised of a transparent agitator housing and an opaque suction nozzle body. The agitator housing forms a downwardly disposed nozzle chamber divided into a right and left agitator chamber. The right and left agi... | 01/09/2007 |
| 7155773 | Cleaning head for floor cleaning device An overload coupling is provided for the limited transfer of torque in a floor cleaning device. A drive element and a driven element are arranged concentrically to one another, thereby forming an intermediate space. The intermediate space accommodates at least one c... | 01/02/2007 |
| 7152267 | Floor sweeper A light weight floor sweeper having a very low profile sweeper head that uses glides rather than rollers to slide across the surface to be cleaned. The floor sweeper head is mounted to an elongated handle by a universal pivot or universal joint which allows the floo... | 12/26/2006 |
| 7150068 | Light-weight self-propelled vacuum cleaner A vacuum cleaner power head (40) for vacuum cleaning and having two counter rotating agitators 52 and 54. Motor (60) rotates agitators (52) and (54) through transmission (70), and also rotates suction fan (65) ... | 12/19/2006 |
| 7134160 | Cleaning device In a cleaning device 10, a dustpan portion 23 is supported to a frame 15 so as to freely oscillate independently from a scraping up body 16 in a vertical direction, and a dust receiving portion 23C of the dustpan portion 23 ... | 11/14/2006 |
| 7131162 | Floor and carpet push brush In a wheel supported floor and carpet push brush of the type having an array of aggressive bristles and another array of bristles which are of lesser diameter than the aggressive bristles carried on the dowel so that the brush can be turned over to bring a selected ... | 11/07/2006 |
| 7120961 | Brush wear adjustment system and method A brush wear adjustment system for use in a powered street sweeper to provide for consistent sweeping performance where wear of rotary brush bristles is constantly sensed and the rotational speed of the rotary brush is automatically increased to maintain a desired b... | 10/17/2006 |
| 7100234 | Suction nozzle configuration A suction nozzle for a floor care appliance such as an upright vacuum cleaner having at least a first channel located above an agitator to carry air and dirt to a suction passageway. The cleaner has several embodiments, one of which has a single channel and a single... | 09/05/2006 |
| 7062816 | Surface cleaner with power drive A portable surface cleaning apparatus comprises a fluid dispensing system including at least one fluid supply tank, a dispensing nozzle connected to the fluid supply tank through a fluid supply conduit for applying a cleaning fluid to a surface to be cleaned, a flui... | 06/20/2006 |
| 7056384 | Strip brush bowling lane dressing application mechanism A bowling lane conditioning machine has dressing application mechanism that includes an elongated, non-rotating strip brush which transfers dressing from a dispensing means to another surface, such as a bristle-type, lane-engaging applicator roll, a metal transfer r... | 06/06/2006 |
| 7051399 | Cleaner cartridge A cleaner cartridge includes a container having an interior cavity, in which cleaning agent can be stored. A first end of conduit is fluidically coupled to the interior cavity. A second end of the conduit is connectable to a chemical dispenser. ... | 05/30/2006 |
| 7022003 | Powder driven surface finishing apparatus A surface finishing device includes a surface finishing drum having opposing ends and a chamber therebetween, an elongate fixture having a handled proximal extremity and an opposing distal extremity, and a support element, which is carried by the distal extremity an... | 04/04/2006 |
| 7020930 | Combination lawn care sweeper thatcher shredder A lawn sweeper is provided having rotary brushes mounted in a housing and projecting through a bottom opening in the housing for sweeping up debris. A vacuum fan with an internal shredder is also mounted to the housing and communicates through a vacuum chute with th... | 04/04/2006 |
| 7013528 | Floor cleaner with dusting A battery-powered, upright vacuum sweeper comprises a base assembly and a handle pivotably attached thereto. The base assembly comprises a vacuum fan assembly fluidly communicating with an inlet for vacuuming dust and the debris particles from a surface into a remov... | 03/21/2006 |
| 7003840 | Cleaning device In a cleaning device, the scraping up body and the rotating body rolling the adhesive roll are rotatably supported to the frame, and the adhesive roll is rotatably arranged on the scraping up body and the rotating body in parallel. ... | 02/28/2006 |
| 6979371 | Detergent composition for hard surfaces comprising hydrophilic shear-thinning polymer at very low level A detergent composition and/or solution for floors comprising a hydrophilic shear-thinning polymer at very low level for improved cleaning end result. The solution can be used with conventional implements known in the art, including sponges, cloths and/or sponge, st... | 12/27/2005 |
| 6971137 | Floor maintenance machine with air-cooled motor A burnishing machine having a burnishing motor in a motor compartment covered with a hood defining an air plenum having at least one air inlet positioned near the top of the hood spaced from the floor. The plenum includes a discharge outlet immediately adjacent the ... | 12/06/2005 |
| 6934993 | Extraction cleaning machine with agitation brushes An extraction cleaning machine has a solution dispensing system and a recovery system for applying a cleaning solution to a surface and recovering the solution from the surface, and an agitation brush assembly for agitating the surface. The agitation brush assembly ... | 08/30/2005 |
| 6918155 | Dual agitator drive system with worm gear A floor cleaning apparatus such as an upright vacuum cleaner, an extractor or a powerhead for a canister vacuum cleaner includes twin agitators that are operatively connected together by means of a worm gear drive assembly. ... | 07/19/2005 |
| 6845538 | Cleaning implement The lower end of the rotative brush 12 contacts the cleaning subject surface 26. As the driving wheels 14 roll on the cleaning subject surface 26, the rotative brush 12 rotates, while being guided by the sweep-up slope surface 1... | 01/25/2005 |
| 6802098 | Cylindrical brush idler-side taper adjustment assembly The present invention provides an adjustment mechanism and methods for adjusting the alignment of a powered cylindrical brush mounted to a surface maintenance vehicle relative to a surface to be maintained or cleaned by the vehicle. The device is preferably disposed... | 10/12/2004 |
| 6783600 | Cleaning device and method of use In a cleaning device, the scraping up body and the rotating body rolling the adhesive roll are rotatably supported to the frame, and the adhesive roll is rotatably arranged on the scraping up body and the rotating body in parallel. ... | 08/31/2004 |
| 6681433 | Sweeping unit A sweeping unit has a supporting frame and at least one motor-driven rotary brush which is rotationally mounted about an longitudinal axis thereof The supporting frame is provided with supporting wheels, and a distance of the wheels from the axis of the r... | 01/27/2004 |
