Quotables
"We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology."
Carl Sagan
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7475450 | Dual-belt counter-rotating drive system A belt drive system for a mechanical cleaning device that require counter-rotating brushes and/or scrubbers, comprising two belts 42 and 44, a drive shaft 36, a pulley 32, and two rotary brushes 22 and 24. The first belt ... | 01/13/2009 |
| 7412750 | Floorcloth attached suction brush for vacuum cleaner A suction brush that includes a body in communication with a dust collection apparatus of a vacuum cleaner and having a main suction port formed through a bottom of the body, and a cover for covering the top of the body, the cover having auxiliary suction ports. A p... | 08/19/2008 |
| 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 |
| 7302733 | Floor cleaning machine using microfiber pad A cleaning machine for floors and carpets includes a vacuum pick-up in front of the machine for suctioning loose material and debris off the floor. A microfiber cleaning assembly is mounted beneath the machine for cleaning the floor following the vacuum pick-up. The... | 12/04/2007 |
| 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 |
| 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 |
| 7251858 | Floor care apparatus with multiple agitator speeds and constant suction power A floor care apparatus has a nozzle assembly housing an agitator. A motor couples to the agitator to drive it at two or more speeds and constant suction power. A user indicates their mode-of-operation preference by positioning a switch. An agitator motor control cir... | 08/07/2007 |
| 7246409 | Manually-powered floor sweeper with vacuum port A manually-powered floor sweeper is provided according to the invention. In one embodiment, the manually-powered floor sweeper includes a chassis and handle, one or more agitator rollers rotatably affixed to the chassis and rotated by movement of the floor sweeper, ... | 07/24/2007 |
| 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 |
| 7225503 | Hand-held deep cleaner A liquid extraction cleaner includes a solution dispensing system, a liquid recovery system, and an agitation brush assembly. The solution dispensing system includes a supply tank removably affixed to a housing and fluidly connected to a fluid distributor through a ... | 06/05/2007 |
| 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 |
| 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 |
| 7143471 | Vacuum cleaner attachment A vacuum cleaner attachment is provided. The vacuum cleaner attachment includes a chassis and a plurality of wheels. The chassis is adapted to roll on an underlying surface using the plurality of wheels. The vacuum cleaner attachment further includes a vacuum cleane... | 12/05/2006 |
| 7143461 | Sweeping appliance A sweeping appliance having a housing having dirt receiving enclosure. A slot-like opening is formed in the underside of the housing. An elongate rotary brush having a plurality of bristles is located towards the front of the sweeping appliance. Front and rear wheel... | 12/05/2006 |
| 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 |
| 7025834 | Retractable broom and dust skirt A gutter broom assembly for a street sweeper and method of use are disclosed. The invention relates to street sweeper having a vacuum system for moving air through a portion thereof and having a gutter broom assembly. The gutter broom assembly includes housing, a gu... | 04/11/2006 |
| 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 |
| 6968593 | Hand-held deep cleaner A liquid extraction cleaner comprises a solution dispensing system, a liquid recovery system, and an agitation brush assembly. The solution dispensing system includes a cleaning solution supply tank affixed to the cleaner and fluidly connected to a solution spray no... | 11/29/2005 |
| 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 |
| 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 |
| 6918156 | Suction brush assembly having rotation roller for sweeping dust A suction brush assembly of a vacuum cleaner has a housing having a suction duct to provide a suction passage for dust, a rotation roller having a plurality of ribs formed at an outer circumference, a wheel disposed at the housing, and a power transmission unit to r... | 07/19/2005 |
| 6915544 | Agitator drive system with bare floor shifter An upright vacuum cleaner includes a housing, a nozzle opening in the housing and a dust collector carried on the housing. A suction fan is also carried on the housing. The suction fan draws air, dirt and debris from a surface to be cleaned through the nozzle openin... | 07/12/2005 |
| 6807708 | Upright vacuum cleaner with dual hoses and hose ports An upright vacuum cleaner includes a nozzle assembly having a nozzle cavity and a canister assembly pivotally connected to the nozzle assembly. A dust bag is carried by the canister assembly. A dirty air pathway provides fluid communication between the nozzle cavity... | 10/26/2004 |
| 6792648 | Floor cloth for use in vacuum cleaner and apparatus of vacuum cleaner for rotatably driving the floor cloth A floor cloth employed in a suction assembly of a vacuum cleaner for cleaning impurities on a cleaning surface, and an apparatus of the vacuum cleaner for rotatably driving the floor cloth. The rotatable floor cloth driving apparatus includes a rotary member rotatab... | 09/21/2004 |
| 6772475 | Suction nozzle configuration A suction nozzle for a floor care appliance such as an upright vacuum cleaner having at least a fist 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 ... | 08/10/2004 |
| 6735812 | Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium An apparatus performing multiple different cleaning operations for cleaning fabrics, floor coverings, and bare floor surfaces is disclosed. A device according to the present invention selectively utilizes soil transfer and solution extraction technology. In one embo... | 05/18/2004 |
| 6721990 | Carpet extractor with dual nozzles for dual brushrolls A carpet extractor includes a base assembly 1 including a housing 10 which selectively receives a recovery tank 22 for collecting dirty cleaning fluid. A nozzle assembly 67 is mounted to the base housing and provides a fluid flowpath 1... | 04/20/2004 |
| 6662402 | Apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium An apparatus and method for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium is disclosed. A method of mechanically removing soil from a surface intended to be cleaned includes the steps of successively ... | 12/16/2003 |
| 6574828 | Combination lawn care sweeper thatcher shredder A mobile sweeper having a wheel supported housing to be moved forward and backward over a surface to be swept of debris. A pair of parallel elongated rotary brushes are mounted in the housing for rotation and extend in the direction of their elongation tr... | 06/10/2003 |
| 6544201 | Massage apparatus operating by suction and mobilization of the skin tissue The invention concerns a massage apparatus operating by suction and mobilization of the skin tissue, in the form of a manually operated set (1), essentially comprising a housing connected to a suction source and including an inner chamber (4) open on its ... | 04/08/2003 |
| 6533871 | Carpet extractor with dual nozzles for dual brushrolls A carpet extractor includes a base assembly 1 including a housing 10 which selectively receives a recovery tank 22 for collecting dirty cleaning fluid. A nozzle assembly 67 is mounted to the base housing and provides a fluid flowpath 182 for dirty cleanin... | 03/18/2003 |
| 6090055 | Massaging device A massaging device comprising a hollow case (1) which delimits a sealed suction chamber during application of the case on the skin, and a connection of this case (1) to a suction source. This massaging device comprises two parallel inner rollers (12, 13),... | 07/18/2000 |
| 6073303 | Double action vacuum cleaner A double action vacuum cleaner is provided including a frame with a pair of wheels and a pair of brushes rotatably mounted to the frame. A motor assembly is included for rotating the brushes upon the actuation thereof. Also included is a handle portion ha... | 06/13/2000 |
| 6030465 | Extractor with twin, counterrotating agitators An extractor is provided for cleaning carpet or a like surface or material. The extractor includes a housing, a handle, a cleaning liquid delivery system and a cleaning liquid recovery system. The cleaning liquid delivery system includes a cleaning liquid... | 02/29/2000 |
| 5935088 | Massaging apparatus with vacuum, auxiliary power source and pinch rollers A massaging apparatus includes a hollow housing having a centrally disposed hollow chamber with an opening at the bottom out of which extends two power driven rollers. A handle is provided on the housing in addition to a hollow extending portion communica... | 08/10/1999 |
| 5813086 | Carpet cleaner and method for cleaning carpets A carpet cleaner for cleaning carpets includes a foam generation unit, roller brushes and a heated air drying mechanism. The foam generation unit uses multiple stages of foam generation for creating a very fine foam which is applied to the carpet. A sucti... | 09/29/1998 |
| 5666689 | Floor cleaning machine A cleaning machine, especially for professional cleaning, comprises two parallel and cylindrical brushes driven reversedly about a horizontal axis, the brushes being placed so closely together that the ends of the brushes in the plane defined by the rotat... | 09/16/1997 |
| 5611105 | Torsionally flexible frame structure A floor scrubber has four wheels for stable support on the floor. These wheels are attached to the underside of a resilient molded plastic frame so that any vertical movement of any of the wheels is transmitted directly to the frame. The frame is ribbed t... | 03/18/1997 |
| 5515568 | Scrubbing machine having offset cylindrical brushes A floor scrubbing machine uses two parallel cylindrical scrub brushes. Each brush is rotated by a separate drive means, and these are at opposite ends of the brushes. This balances the weight of the drives so the brushes exert a uniform pressure on the fl... | 05/14/1996 |
