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| Number | Title | Issue Date |
| 8127399 | Self-propelled vacuum-cleaning device A self-propelled vacuum-cleaning device for cleaning smooth and textile floor coverings, particularly in the private home sector. The device has a housing, a vacuum blower, an electrically driven cleaning roller, an electrical drive mechanism, control electronics, a... | 03/06/2012 |
| 8117711 | High efficiency intake hood system for mobile sweeper vehicles An improved pickup or intake hood for use in regenerative air flow road and pavement sweeper vehicles includes at least one side auxiliary plenums and/or at least one side-to-side plenum adjacent the primary air flow compartment. The auxiliary plenums are attached b... | 02/21/2012 |
| 8108965 | Convertible particulate vacuum attachment A convertible vacuum attachment for conveying a particulate material is disclosed. The attachment comprises a housing defining a chamber, with the housing having an inlet in fluid communication with the chamber and that defines an inlet opening. The housing has an o... | 02/07/2012 |
| 8060978 | Surface sweeping machine with tilting blower housing A road sweeper includes a blower housing having an opening, a hopper having an opening, and the openings being in axial alignment when the hopper and blower housing are each in a sweeping position thereof. The blower housing is biased for tilting movement from its s... | 11/22/2011 |
| 7958596 | Rotary broom with vacuum dust control A vacuum assembly module mountable to a work machine attachment for providing dust-reducing capabilities is provided. The vacuum assembly module is a self-supported unit and can be mountable to work machine attachments such as rotary brooms, cold planers, and the li... | 06/14/2011 |
| 7954201 | Mobile mounted steam cleaning system A sliding track steam cleaning system which may be installed on a vehicle. van, mini-van or automobile having a combined cargo and passenger area of approximately 20 cubic feet and need not be specially adapted for mounting on a truck. ... | 06/07/2011 |
| 7891048 | Vacuum truck with collapsible scraper and pivot relief A scraper truck includes a main scraper mounted to a wheeled vehicle and side scrapers pivoted to the main scraper at its ends. The side scrapers are pivotally movable between extended lateral positions where the side scrapers extend outboard of the opposite ends fo... | 02/22/2011 |
| 7810209 | Self-propelled sweeper including a front steering axle The self-propelled sweeper with electrical steering comprises a frame suitable for receiving the refuse container (13), waste collection and suction members (2; 4, 6), a suction and filtering unit, a driving position in the cabin (16) of the mac... | 10/12/2010 |
| 7797789 | Mobile vacuum apparatus for collection of liquid or semi-liquid materials The apparatus comprises a vacuum tank with a front-mounted collection means thereunder The collection means is a V-shaped scraper with a height adjustable suction inlet at the apex thereof. The collection means has a pair of laterally adjustable pivoting wings for v... | 09/21/2010 |
| 7712181 | Hopper opening mechanism A hopper opening mechanism for a hopper in a suction sweeping machine, the opening mechanism comprising an actuator mechanism for opening the hopper for cleaning of the hopper, wherein the actuator mechanism rotates a lid or door of the hopper and a base of or a mes... | 05/11/2010 |
| 7681280 | Three-point mount for an industrial carpet cleaner A platform mounted drive train for a professional carpet and floor cleaner system, the platform mounted drive train being formed of a rigid platform; a power plant having two spaced apart mounting structures secured to the rigid platform; a vacuum blower having one ... | 03/23/2010 |
| 7621018 | Road/pavement cleaning machine having air-blast functionality A road/pavement sweeper is provided with a pickup head or debris-intake hood that operates in a conventional manner to entrain or aspirate particles and/or debris from the pavement surface. The air-inlet structure of the debris-intake hood is provided with an air-fl... | 11/24/2009 |
| 7610650 | Vehicle for cleaning A cleaning vehicle provided with driving wheels for traveling on a rail having a trench-shaped driving space provided on the floor for cleaning the rail, wherein a vehicle body is provided with an air drawer formed by providing a filter to an air outlet hole, a tip ... | 11/03/2009 |
| 7607195 | Cleaning unit of roads and the like A cleaning unit is disclosed, comprising: a containment chamber (2) defining an accumulation base (10), a suction apparatus (3) including a suction inlet (6) positioned close to the ground, and a filtering apparatus (12), the sucti... | 10/27/2009 |
| 7451521 | Apparatus for removal of material by suction An apparatus for removal of material by suction, comprising, supported by the chassis of a truck, a partial vacuum unit for a collection tank, to which aspirated material is conveyed. The tank is fitted on an unloading device suitable to lift on one side the tank in... | 11/18/2008 |
| 7430782 | Floor cleaning machine, particularly for industrial applications A floor cleaning machine particularly for industrial applications, comprising a box-like structure, which is provided, in its downward region directed toward the floor, with floor cleaning devices, and supports electrical controls for actuating and controlling the m... | 10/07/2008 |
| 7429319 | Sewage slurry separation system The present invention discloses a sewage slurry separation system adapted to assist in sewer cleaning operations. The sewage slurry separation system is configured for collecting sewage slurry from a sewer line, depositing the sewage slurry in a collection/settling ... | 09/30/2008 |
| 7426769 | Stall and manure vacuum truck A vacuum truck includes a self-propelled vehicle, a storage tank, a vacuum source, a laterally-shiftable scraper, and a pullback scraper. Suction lines connect a collection area of the scrapers to the storage tank and to the vacuum source. The exhaust from the vacuu... | 09/23/2008 |
| 7424766 | Sensors and associated methods for controlling a vacuum cleaner A cleaning appliance includes a housing with a brushroll and a wheel mounted thereto. A floor-type sensor is disposed within a mounting tube secured to the housing. The floor-type sensor emits sonic energy toward a surface being traversed by the cleaning appliance a... | 09/16/2008 |
| 7418762 | Self-propelled cleaning device and charger using the same A self-propelled cleaning device having a cylindrical side cover has a suction body capable of moving transversely to the forward direction. The side cover is held by a base via a suspension. When cleaning corners of a room, the suction body moves by a wall and as t... | 09/02/2008 |
| 7415748 | Vacuum implement for use with a skid steer A portable vacuum implement for use with a skid steer vehicle has a frame, a skid steer mounting saddle coupled to the frame and a motor mounted to the frame. A vacuum pump mounted on the frame is coupled to the motor so that the motor drives the vacuum pump. A coll... | 08/26/2008 |
| 7412748 | Robot cleaning system A robot cleaning system is capable of performing automatic cleaning and manual cleaning with a minimal number of devices. The robot cleaning system includes a first cleaning unit to perform automatic cleaning while moving by itself in an area to be cleaned, and a se... | 08/19/2008 |
| 7409743 | Apparatus for cleaning air discharge from agricultural harvester An apparatus for cleaning the air discharged from an agricultural harvester. A separation housing has inlet and outlet ends. The inlet end includes an upper chute, a lower chute, and a separation wall therebetween. The lower chute extends from the inlet end to a cle... | 08/12/2008 |
| 7377005 | Vacuum apparatus A vacuum hose for moving particulate materials such as grain from a storage bin is formed from separate pieces of metal tube and flexible rubber hose arranged alternately and connected end to end by hose clamps. The pieces are at least 12 inches long and less than 3... | 05/27/2008 |
| 7362064 | Control arrangement for a cleaning appliance A cleaner for cleaning a surface comprises a floor-engaging portion for moving along the surface. A magnet and a hall effect sensor located in the cleaner handle generates a control signal. The control signal is provided to a control circuit which controls one or mo... | 04/22/2008 |
| 7350459 | Foliage compactor An organic foliage compactor for compacting organic foliage into a bale is disclosed. The compactor includes a compactor frame and a compacting tube coupled to the compactor frame. The compacting tube includes a first end, a second end and a housing that defines an ... | 04/01/2008 |
| 7350264 | Mobile vacuum sweeper A vacuum sweeper vehicle has a sweeper body including a frame. A pair of front wheels are supported by an axle apparatus at a forward end of the sweeper body. The axle apparatus is constructed to provide a space between the front wheels. A pair of rear wheels are su... | 04/01/2008 |
| 7323022 | Vacuuming machine The subject invention pertains to a vacuuming machine with a primary chamber in which vacuum pressure within allows the ingress of debris through a hose. Air and debris entering the primary chamber decelerate upon entry into the chamber which allows debris to settle... | 01/29/2008 |
| 7322176 | Flexible sound barrier curtain for grass collection container A grass collection container for a grass mowing machine includes a bag or hopper attached to a support frame under the plastic top cover with air permeable panels, and a flexible sound barrier curtain attached to the support frame over the air permeable panels. The ... | 01/29/2008 |
| 7318248 | Cleaner having structures for jumping obstacles A cleaner having structures for jumping obstacles is provided. A lower portion of a main body of the cleaner is disposed with a movable chassis, and the center of the chassis is formed with a hollow post that is to be inserted in a sleeve of the main body of the cle... | 01/15/2008 |
| 7290307 | Implement for removing pavement cleaner A pavement cleaning vehicle includes a tow vehicle and a trailer towed behind the tow vehicle that includes a vacuum head mounted to the trailer that consumes fresh water from a fresh water holding tank on the tow vehicle in rinsing underlying pavement. Pressurized ... | 11/06/2007 |
| 7287298 | Low profile side squeegee assembly A low-profile side squeegee assembly for surface maintenance vehicles, capable of cleaning under so-called “toe kicks”. In contrast with typical suspensions that are mounted directly above the center of the squeegee assembly, and are therefore too tall to fit un... | 10/30/2007 |
| 7287299 | Simplified rear squeegee linkage for surface cleaning equipment A rear squeegee linkage for surface cleaning equipment, which uses a pair of compliant bushings for improved shock absorption. The actuator is mounted with a pair of clevis pins and cotter pins, and may be replaced if needed without screwing or unscrewing any bolts ... | 10/30/2007 |
| 7275280 | Wheel support arrangement for an autonomous cleaning apparatus A carrier, such as an autonomous cleaning apparatus, has a self-adjusting wheel assembly that can move vertically, thereby enabling the carrier to readily pass over a surface. The wheel assembly may include microswitch, which activates a control mechanism for the ca... | 10/02/2007 |
| 7272868 | Robot cleaner and method for operating the same A robot cleaner includes a suction device installed within a cleaner body, that sucks dirt on a floor; a driver that moves the cleaner body; a detector mounted at the cleaner body, that detects a height between a bottom of the cleaner body and the floor; and a contr... | 09/25/2007 |
| 7255116 | Stripe removal system A system for removing paint and other coatings from hard surfaces is mounted on a truck for over-the-road travel. The truck bed carries a high power vacuum pump, a self propelled tractor with an attached blast head, a liquid reservoir, a sump or vacuum tank, and a r... | 08/14/2007 |
| 7251853 | Robot cleaner having floor-disinfecting function A robot cleaner for simultaneously and selectively performing automatic floor cleaning and automatic floor disinfection. The robot cleaner includes a body traveling automatically on a surface to be cleaned, a driving unit for driving a plurality of wheels provided u... | 08/07/2007 |
| 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 |
| 7247085 | Combination edger and grinder for floors A combined floor edger and grinder having a grinding disk which can be adjusted from engaging the floor while flat to engaging the floor along a front, back or side edge of the disk, depending on the height adjustment of the wheels on either side of the frame. The w... | 07/24/2007 |
| 7240396 | Floor cleaning apparatus A floor cleaner is provided for cleaning a floor, where the floor cleaner has a front and a rear and includes: a sweeper for sweeping the floor; a scrubber, connected to the sweeper and located in the rear of the sweeper, for wetting and cleaning the floor; and a bu... | 07/10/2007 |
