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| Number | Title | Issue Date |
| 8166609 | Suction nozzle and vacuum cleaner having the same A suction nozzle of a vacuum cleaner includes a suction nozzle body which includes a suction port adapted to draw in contaminants on a surface, and a contaminant attachment unit formed in the suction nozzle body. The contaminant attachment unit is adapted to attach ... | 05/01/2012 |
| 8037571 | Vacuum cleaner accessory tool having a removable brush A vacuum cleaner accessory tool for use with a vacuum cleaner. The accessory tool includes a nozzle body defining a chamber. An agitator having a first end portion and a second end portion is rotatably supported within the chamber of the nozzle body, and the agitato... | 10/18/2011 |
| 7827653 | Cleaning device with sweeping and vacuuming functions A cleaning device with sweeping and vacuuming functions includes a body accommodating a sweep module and a vacuum module. A main brush and an auxiliary brush driven by a power unit are pivoted in the sweep module. The main brush partially extends outside an opening ... | 11/09/2010 |
| 7814614 | Suction brush for vacuum cleaner The present disclosure relates to a suction brush for a vacuum cleaner, which is connected to a suction extension pipe connected to a main body of the vacuum cleaner and draws in foreign materials using a suction force generated in the main body. The suction brush i... | 10/19/2010 |
| 7716784 | Suction port assembly and vacuum cleaner having the same A suction port assembly and vacuum cleaner having the same is disclosed. The suction port assembly includes a casing comprising a suction port which draws in dust from a surface being cleaned; a drum brush which is disposed rotatably in the casing, on an external su... | 05/18/2010 |
| 7441306 | Vacuum cleaner and suction nozzle structure thereof Provided is a suction nozzle structure of a vacuum cleaner for enhancing a foreign particle suction efficiency. The suction nozzle structure includes: a suction tube in which a negative pressure is formed; a suction hole formed at a bottom of the suction nozzle stru... | 10/28/2008 |
| 7428767 | Sweeper including floating brush or drum assembly A sweeper including a rotating brush or drum supported by a float arm movably coupled to a bucket. The float arm is coupled to a linkage to movably support the float arm between a retracted position and a forward position. Float arm is supported independently of a h... | 09/30/2008 |
| 7426768 | Air duct cleaning apparatus An apparatus for cleaning ducts of a heating/ventilation/air conditioning (HVAC) system is provided. In one embodiment, a pod has a vacuum chamber therein, a drive motor located within the pod and configured to receive a removable drive shaft therein, and a conduit ... | 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 |
| 7346956 | Automatic cart wash apparatus An automatic cart wash apparatus. The automatic cart wash apparatus provides improved cleaning of stock carts on a regular basis over manual cleaning by store employees. The automatic cart wash apparatus includes three main stages: a debris removal (vacuum) stage, a... | 03/25/2008 |
| 7299518 | VACUUM CLEANER WITH MAGNETIC FLUX FIELD A cleaning head for a vacuum sweeper that incorporates a magnetic flux generator that bathes the area of carpet being engaged by the rotating brush beater in the cleaning head with a pulsing magnetic field. The magnetic flux generator disrupts the static attraction ... | 11/27/2007 |
| 7290309 | Cleaning head for a vacuum cleaner with edge cleaning bristles A cleaning head (30) for a vacuum cleaner comprises a housing (305) which extends transversely to the direction of intended movement (A) of the head. A row of bristles (310) extend outwardly from the sides of the housing (305). The bristl... | 11/06/2007 |
| 7281297 | Floor cleaning apparatus equipped with multiple agitators and an agitator hood with baffle A floor cleaning apparatus includes a nozzle assembly including a housing and a cooperating hood defining an agitator cavity. First and second agitators are carried by the nozzle assembly in the agitator cavity. A canister assembly is connected to the nozzle assembl... | 10/16/2007 |
| 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 |
| 7266862 | Suction apparatus of cleaner A suction apparatus of a cleaner includes: a suction motor inserted in a cleaner body and generating a suction force; a filter for collecting dust or filth sucked by a suction force generated for the suction motor; a suction head connected to the filter by a suction... | 09/11/2007 |
| 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 |
| 7237298 | Sensors and associated methods for controlling a vacuum cleaner Several methods of controlling a vacuum cleaner (10) using various types of sensors (94, 96, 97, 98) are provided. One method is based on a differential pressure between a suction airflow path and ambient air and includes: detecting the differential pr... | 07/03/2007 |
| 7194780 | Kiln cleaning apparatus An apparatus for cleaning deposits from the interior surfaces of a kiln. The apparatus utilizes a directed high-pressure fluid jet to remove deposits adhering to elements within a kiln. The pressurized fluid is delivered to the fluid jet through the shaft of a rotar... | 03/27/2007 |
| 7191485 | Lawn waste sweeper with recirculating airstream A vacuum sweeper includes a blower for pulling debris in a stream of air through a vacuum duct, past the blower, out a blower discharge duct and into a hopper. Debris settles to the bottom of the hopper and the air exits the hopper through a return air duct having a... | 03/20/2007 |
| 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 |
| 7178196 | Tank arrangement for a floor care appliance A floor care appliance is provided. The floor care appliance includes a base for movement along the surface attached to a housing. The floor care appliance has two liquid storage tanks located in the housing wherein one of the liquid storage tanks generally overlies... | 02/20/2007 |
| 7174593 | Vacuum cleaner having an ion generator A vacuum cleaner includes an electric blower for generating a suction air flow, a suction head in communication with the electric blower for drawing in dirt, a filter bag communication with the electric blower for capturing and collecting dirt, an exhaust unit for d... | 02/13/2007 |
| 7165286 | Agitator construction An agitator includes a high strength, continuous metal axle, a pulley held on one end of the metal axle and a sleeve of lightweight plastic material received over the axle. The agitator is manufactured by molding a pulley body onto an underlying metal support or D-n... | 01/23/2007 |
| 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 |
| 7159276 | Rotary cleaning body, suction port body of vacuum cleaner, and production method of rotary cleaning body Catching grooves (34) extending in the axial direction are formed in the cylindrical outer surface of a brush base (35) that has a slender, substantially cylindrical shape and made of a twistable material. Brush attaching portions (43) of brush ... | 01/09/2007 |
| 7089623 | Apparatus for cleaning channels for air conditioning and other purposes The present invention concerns an arrangement for cleaning ducts and chimneys, such as air conditioning ducts. The arrangement comprises a guide wire cable having a cleaning end and a feed end, a brush or some other tool being connected to the cleaning end of the gu... | 08/15/2006 |
| 7067033 | Chemical liquid processing apparatus for processing a substrate In this disclosure, air flow is formed above chemical liquid film and a move of the chemical liquid is generated by making the air flow into a contact with the surface of chemical liquid. Further, a negative pressure is generated in a space between a processing obje... | 06/27/2006 |
| 7055203 | Tube cleaning machine A tube cleaning machine for industrial smooth bore tubes and enhanced tubes in which the machine includes a rotary brush with means for selecting brush rotary speed for optimum cleaning of the smooth bore and enhanced tubes, and in which the machine includes a water... | 06/06/2006 |
| 7051396 | Vehicle cleaning element A vehicle cleaning element of a substantially flat configuration having a first cleaning surface provided by a portion of the flat surface and a second cleaning surface provided by radially projecting prongs or tines for reaching into and pulling out dirt and debris... | 05/30/2006 |
| 7025149 | Power tool with detachable drive end A rotary tool includes a housing structure with a plurality of apertures therein, drive mechanism disposed within the housing structure, a detachable drive end mechanism coupled to the drive mechanism, and a retaining structure received by the apertures. The drive m... | 04/11/2006 |
| 7017221 | Floor sweeping apparatus Floor sweeping apparatus (9) of the type having a rotary brush member (20), which in use is driven to rotate about a generally horizontal axis, the brush member (20) having bristle elements (22) that, as the brush member (20) rotat... | 03/28/2006 |
| 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 |
| 7007336 | Agitator construction An agitator includes a high strength, continuous metal axle, a pulley held on one end of the metal axle and a sleeve of lightweight plastic material received over the axle. The agitator is manufactured by molding a pulley body onto an underlying metal support or D-n... | 03/07/2006 |
| 7005012 | Device and method for brush-cleaning a tube using a spray system taken into the tube The device includes a spray system for spraying a fluid against the inside periphery of the tube to be cleaned, and two analogous brushing assemblies, each of which include brushing means and a propelling element which cooperates with the inside periphery of the tub... | 02/28/2006 |
| 6971140 | Brush assembly of cleaner In a brush assembly of a cleaner including plural brushes arranged at the bottom surface of a cleaner body radially at regular intervals; plural supporting shafts for rotatively supporting the brushes; and a driving unit connected to the brushes in order to rotate t... | 12/06/2005 |
| 6959467 | Bladed disk brush roller assembly for a vacuum cleaner A brush roller assembly for a vacuum cleaner includes a rotatable spindle having a longitudinal axis, a first end, a second end and a central portion. A first airflow enhancing device (“AED”) is positioned, by being molded onto or operationally attached to, the ... | 11/01/2005 |
| 6957471 | Cleaning rings for insulator driven by wind A wind driven cleaning ring apparatus for removing dirt on electrical insulators used in electric systems. The cleaning ring apparatus includes spaced apart bowl members supported on a cylindrical ring member by being sleeved over the ring member or formed integral ... | 10/25/2005 |
| 6952858 | Water extraction device A water extraction device aids in extracting water or other liquids from a floor covering such as a carpet and an associated pad. A housing has a generally cylindrical cavity defined within its interior, and a rotor assembly housed in the cavity. The bottom of the h... | 10/11/2005 |
| 6951044 | Paper cleaning buff A paper cleaning apparatus employs a paper buffing roll which has a lightweight hollow cylindrical core mounted between stub shafts. The stub shafts are mounted to bearings and the hollow core is arranged to be driven at approximately 3,450 to approximately 4,450 RP... | 10/04/2005 |
| 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 |
