Did You Know...
...that when IBM conducted a market study of Chester Carlson's invention in 1959, the company concluded that it would take only 5000 units of his new product to saturate the market? IBM therefore declined to be part of the new product introduction. Too bad for IBM. Carlson's invention was the xerography process, and his new product was the beginning of the Xerox Corporation. It is estimated that every day, worldwide, 3,000,000,000 copies are made!!
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| Number | Title | Issue Date |
| 7631388 | Hand-guided sweeper A hand-guided sweeper (1) includes a guide rod (3) on which a handle (24) is mounted for guiding the sweeper (1) over the ground. The sweeper (1) has at least one sweeper brush (10), which is driven in rotation by a drive mo... | 12/15/2009 |
| 7603738 | Blower mounting apparatus An apparatus for mounting a street blower to the front end of a zero-turn riding mower. The mounting apparatus comprises a main support beam that extends across the front of the mower frame and rests on top of the frame. The main beam preferably includes a securing ... | 10/20/2009 |
| 7146682 | Powered edge cleaner A floor care appliance such as a vacuum cleaner is provided having a traction wheel powered edge cleaner comprised of a vertical axis rotary agitator which is affixed to either the right or left side of the suction nozzle. The agitator is rotated by the traction whe... | 12/12/2006 |
| 7140060 | Apparatus for cleaning floor surfaces An apparatus for cleaning floor surfaces. The apparatus comprises a floor buffing machine that has both a handle portion and a main body. The main body has a bottom-mounted buffer pad and a top-mounted motor which is connected to a control box located on the handle ... | 11/28/2006 |
| 7111418 | Wheeled shovel An apparatus comprising a shovel disposed on a relatively large wheel and a method of using the apparatus for handling a load of material. The apparatus involves a shovel having a handle formed at the end of an elongate yoke, the yoke being mounted, at its middle po... | 09/26/2006 |
| 7059004 | Floor surface treatment apparatus A floor surface treatment apparatus having a wheeled vehicle including a support for a floor surface treatment unit, the support being moveable relative to the vehicle. A floor surface treatment unit is pivotally carried by the support for swinging movement relative... | 06/13/2006 |
| 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 |
| 7021455 | Wet chip pick-up assembly A wet chip pick-up assembly includes a slotted rotary drum. A comb member is seated for movement in each of the drum slots. A friction drive assembly frictionally engages the drum causing the drum to rotate which, in turn, causes the comb members to rotate. ... | 04/04/2006 |
| 6920661 | Extruded vehicle mounted broom A vehicle mounted broom that has a modular construction, improved sweeping action and versatile mounting capabilities. The broom has brush strips and integral channels formed in a bottom side of the housings that reduce greatly or eliminate rocking of the brush stri... | 07/26/2005 |
| 6779217 | Appendage for a robot The present invention relates to a horizontally movable and downwardly biased appendage that extends laterally from a surface treating apparatus, such as a robotic floor cleaner. The robotic floor cleaner and/or appendage may use disposable cleaning sheets, s... | 08/24/2004 |
| 6763544 | Apparatus for treating a floor surface Apparatus for treating the surface of a floor includes a wheeled vehicle having a generally central vertical longitudinal plane. A lift unit is mounted on the wheeled vehicle and is capable of up and down movement in the central vertical longitudinal plane of the ve... | 07/20/2004 |
| 6691364 | Extruded vehicle mounted broom A vehicle mounted broom that has a modular construction, improved sweeping action and versatile mounting capabilities. The broom has brush strips and integral channels formed in a bottom side of the housings that reduce greatly or eliminate rocking of the... | 02/17/2004 |
| 6550089 | Device for picking-up small-sized litter A device for picking-up small-sized litter from floor and other surfaces is generally disclosed comprising a remote-controlled electric motor with power supply (3) located inside a case (1) standing on supporting wheels (2), and attached rolling litter co... | 04/22/2003 |
| 6536067 | Extruded vehicle mounted broom A vehicle mounted broom that has a modular construction, improved sweeping action and versatile mounting capabilities. The broom has brush strips and integral channels formed in a bottom side of the housings that reduce greatly or eliminate rocking of the... | 03/25/2003 |
| 6463616 | Floor cleaning machine A drive system for driving two cylindrical brushes of a floor cleaning machine that rotate in opposite directions is disclosed. The floor cleaning machine includes a motor, a gear mechanism and force-transmission means for transmitting a torque from the g... | 10/15/2002 |
| 6088865 | Vehicle mounted broom A vehicle mounted broom that has a modular construction, improved sweeping action and versatile mounting capabilities. The modular construction allows wings to be attached to the main housing to increase the length of the broom and, if desired, the sweep ... | 07/18/2000 |
| 5920939 | Floor cleaning apparatus having a rotating brush roller A floor cleaning apparatus having a brush chamber formed in a main housing is provided. The brush chamber has a dirt inlet slot that faces the floor that is to be cleaned and extends over the width of the brush chamber transverse to the direction of work.... | 07/13/1999 |
| 5849097 | Apparatus for processing a base with a rotating member An apparatus for processing a base such as brushing or rubbing a floor, with the aid of a rotating member, is described. The apparatus contains a frame or chassis, a coupling means which couples to the rotating member, a means for driving the rotating mem... | 12/15/1998 |
| 5742968 | Apparatus for removing debris from the ground Apparatus for removing debris form the ground comprising a frame which supports a rotatable cylindrical brush having bristles projecting from its axis of rotation, a rotatable shaft member extending across the width of the brush, a scraper member extendin... | 04/28/1998 |
| 5652992 | Rotary sand and debris cleaner A device for removing sand, solid particulate wastes and the like from a surface being cleaned, comprising spade-shaped members driven in a closed rotatory circuit cooperating with a brush in synchronized sweeping motion. In a first embodiment, a rotatory... | 08/05/1997 |
| 5426805 | Walk-behind self-propelled broom sweeper A walk-behind self-propelled device comprises a main frame including a base portion and a handle portion; a pair of wheels secured to the base portion for engaging the ground surface; an engine mounted on the base portion; a hydraulic pump carried by the ... | 06/27/1995 |
| 5390387 | Lightweight self-propelled turf sweeper Disclosed herein is a lightweight, self-propelled, hand-guided sweeping apparatus for removing debris lying on the ground, the apparatus comprising: a chassis having wheels with ground engaging flotation tires; a hopper compartment mounted pivotally on th... | 02/21/1995 |
| 5261141 | Industrial sweeper control An industrial sweeper has brushes, a drivewheel a power source, a lever and cables connecting the lever to clutches which engage the brushes and drive wheel to the power source. When the level is partially depressed, only the brushes are engaged. Full dep... | 11/16/1993 |
| 5218732 | Surface treatment apparatus Apparatus reconditioning artificial turf surfaces by scarifying or brushing. Scarifying rods (13) and cleaning brushes (14) are mounted to a rotary work head (31) inside a wheeled housing which is pushed over the artificial turf surface as the work head r... | 06/15/1993 |
| 5152027 | Industrial sweeper A surface sweeper may include a first pulley driven by the motor, a second pulley on a drive shaft for driving the drive wheel, a third pulley for driving the main brush, and a drive belt interconnecting the first and second pulleys which can be selective... | 10/06/1992 |
| 5121592 | Powered sweeper/chopper striker assembly for collecting and chopping materials like leaves from the ground A powered striker assembly for collecting loose material on the ground has a shaft mounted for rotation about a horizontal axis at a predetermined distance above the ground. The shaft carries an array of striker members. The striker members preferably com... | 06/16/1992 |
| 5054151 | Leaf sweeper A leaf sweeper having a sweeper portion including engine driven, flexible, rotary tines mounted on an engine support frame pivotally connected about a vertical axis to a wheeled main frame. A steering linkage is connected between the engine support frame ... | 10/08/1991 |
| 4979260 | Hand-guided sweeping machine A hand-guided sweeper employing a rotary brush to propel debris into a detachable hopper, a blower to facilitate pickup of dust and a filter to remove dust prior to passing through the blower includes guides on the frame of the sweeper adapted to cooperat... | 12/25/1990 |
| 4893368 | Driveway scrubber A power driven driveway scrubbing apparatus formed from the following major components: an outer base housing, an inner base housing, and a push handle assembly. A pair of laterally spaced front wheels are mounted on a front axle that passes through said ... | 01/16/1990 |
| 4796322 | Rear dumping lawn sweeper with folding wind apron A rear dumping brush-type lawn sweeper for attachment to a garden tractor includes a hamper assembly which is mounted on a support frame for pivotal movement. The support frame is carried on the main frame of the brush housing. The hamper assembly carries... | 01/10/1989 |
| 4765666 | Animal waste collector Apparatus for picking up animal waste includes a wheeled cart having a handle and a removable container mounted behind a ramp. A rotatable lever arm lifts articles positioned in front of the cart up the ramp and into the container. The lever arm rotates a... | 08/23/1988 |
| 4674143 | Sweeping apparatus The invention concerns a sweeping apparatus of the kind comprising a manually operated carriage (1) with at least one pair of rear wheels (3, 4) and at least one front wheel (5, 47) and a power operated rotatable brush cylinder (14). The brush cylinder is... | 06/23/1987 |
| 4602400 | Sweeping apparatus The invention concerns a sweeping apparatus of the kind comprising a manually operated carriage (1) with at least one pair of rear wheels (3, 4) at least one front wheel (5, 47) and a power operated rotatable brush cylinder (14). The brush cylinder is car... | 07/29/1986 |
| 4586211 | Tile surface cleaning apparatus An apparatus for cleaning bathroom and other tile floors and similar tile surfaces includes a wheel-supported frame on which a motor-driven cylindrical scrubbing brush is mounted for surface engagement, the brush being particularly provided with plural ci... | 05/06/1986 |
| 4580313 | Walk behind floor maintenance machine A walk behind floor maintenance machine is disclosed including a filter and filter housing that may be pivoted away to permit removal of the debris hopper. The filter may be cleaned by vibrating the filter and filter housing. Dust vibrated from the filter... | 04/08/1986 |
| 4399577 | Machine for cleaning grating over barn manure trough A machine for cleaning a grate over dairy barn manure troughs uses a rotating cylindrical brush with dense, fibrous, resilient bristles to scrub manure from the grate. The cylindrical brush is mounted in a housing which rides on a pair of wheels. The clea... | 08/23/1983 |
| 4393537 | Power broom with auger and vacuum debris conveyor A power broom with a transverse auger and vacuum debris conveying system especially well-suited for removing gravel or other debris from a flat, built-up roof or the like, and for conveying the loosened debris from the roof. The power broom includes a hor... | 07/19/1983 |
| 4360939 | Floor care device A floor care device has a rotary tool rotatable about an axis of rotation, a motor arranged to drive the rotary tool in rotation through a power transmission, and a supporting element formed as an angle lever which supports the tool, the motor and the pow... | 11/30/1982 |
| 4312095 | Mobile lawn rake attachment A mobile lawn rake attachment advantageous for use in conjunction with conventional riding mowers or other similar towing vehicles for providing a convenient method of raking large areas of accumulated grass clippings, leaves, and other associated lawn de... | 01/26/1982 |
| 4279056 | Pavement joint and crack cleaning machine A machine for cleaning residual and foreign materials from random cracks and expansion joints in pavement subsequent to the opening of such cracks and joints and preparatory to placement of filler-sealer materials therein. The machine includes an open whe... | 07/21/1981 |
