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Class Information
Number: 15/384
Name: Brushing, scrubbing, and general cleaning > Machines > With air blast or suction > With mechanical agitating means > Rotary agitator > Tandem agitator units
Description: Apparatus having a plurality of distinct agitating units arranged in tandem with respect to the usual path of motion of the cleaner while in use.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8661605 Coverage robot mobility Mar. 4, 2014
8495790 Cleaner head Jul. 30, 2013
8484800 Cleaner head Jul. 16, 2013
8448294 Cleaner head May. 28, 2013
8424142 Pool cleaning robot Apr. 23, 2013
8359703 Coverage robot mobility Jan. 29, 2013
8161597 Shop vacuum cleaner with cyclonic separator Apr. 24, 2012
8082625 Pick-up head having housed gutter brooms for a mobile sweeping vehicle Dec. 27, 2011
7958595 Floor cleaning apparatus Jun. 14, 2011
RE42155 Light-weight self-propelled vacuum cleaner Feb. 22, 2011
7802338 Rain-gutter cleaning system Sep. 28, 2010
7665174 Cleaning head for use in a floor cleaning machine Feb. 23, 2010
7636982 Autonomous floor cleaning robot Dec. 29, 2009
7475450 Dual-belt counter-rotating drive system Jan. 13, 2009
7412750 Floorcloth attached suction brush for vacuum cleaner Aug. 19, 2008
7302733 Floor cleaning machine using microfiber pad Dec. 4, 2007
7290308 Vacuum cleaner equipped with pivotally mounted agitator section Nov. 6, 2007
7281297 Floor cleaning apparatus equipped with multiple agitators and an agitator hood with baffle Oct. 16, 2007
7251858 Floor care apparatus with multiple agitator speeds and constant suction power Aug. 7, 2007
7246409 Manually-powered floor sweeper with vacuum port Jul. 24, 2007
7243393 Agitator drive configuration Jul. 17, 2007
7225503 Hand-held deep cleaner Jun. 5, 2007
7159277 Multiple chamber suction nozzle configuration Jan. 9, 2007
7150068 Light-weight self-propelled vacuum cleaner Dec. 19, 2006
7143471 Vacuum cleaner attachment Dec. 5, 2006
7100234 Suction nozzle configuration Sep. 5, 2006
6968593 Hand-held deep cleaner Nov. 29, 2005
6964081 Soft floor scrubber Nov. 15, 2005
6918156 Suction brush assembly having rotation roller for sweeping dust Jul. 19, 2005
6918155 Dual agitator drive system with worm gear Jul. 19, 2005
6915544 Agitator drive system with bare floor shifter Jul. 12, 2005
6807708 Upright vacuum cleaner with dual hoses and hose ports Oct. 26, 2004
6792648 Floor cloth for use in vacuum cleaner and apparatus of vacuum cleaner for rotatably driving the floor cloth Sep. 21, 2004
6772475 Suction nozzle configuration Aug. 10, 2004
6735812 Dual mode carpet cleaning apparatus utilizing an extraction device and a soil transfer cleaning medium May. 18, 2004
6721990 Carpet extractor with dual nozzles for dual brushrolls Apr. 20, 2004
6662402 Apparatus for cleaning fabrics, floor coverings, and bare floor surfaces utilizing a soil transfer cleaning medium Dec. 16, 2003
6574828 Combination lawn care sweeper thatcher shredder Jun. 10, 2003
6544201 Massage apparatus operating by suction and mobilization of the skin tissue Apr. 8, 2003
6533871 Carpet extractor with dual nozzles for dual brushrolls Mar. 18, 2003
6090055 Massaging device Jul. 18, 2000
6073303 Double action vacuum cleaner Jun. 13, 2000
6030465 Extractor with twin, counterrotating agitators Feb. 29, 2000
5935088 Massaging apparatus with vacuum, auxiliary power source and pinch rollers Aug. 10, 1999
5813086 Carpet cleaner and method for cleaning carpets Sep. 29, 1998
5666689 Floor cleaning machine Sep. 16, 1997
5611105 Torsionally flexible frame structure Mar. 18, 1997
5515568 Scrubbing machine having offset cylindrical brushes May. 14, 1996
5428863 Water suction mechanism Jul. 4, 1995
5404609 Carpet cleaning machine with enhanced user features Apr. 11, 1995

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