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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6918155 |
Dual agitator drive system with worm gear |
Jul. 19, 2005 |
| 6918156 |
Suction brush assembly having rotation roller for sweeping dust |
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 |
| 5307538 |
Carpet cleaning machine for particulate removal |
May. 3, 1994 |
| 5287591 |
Carpet cleaning machine with convertible-use feature |
Feb. 22, 1994 |
| 5249332 |
Pavement sweeper |
Oct. 5, 1993 |
| 5163203 |
Apparatus for wet cleaning of floors |
Nov. 17, 1992 |
| 5127128 |
Cleaner head |
Jul. 7, 1992 |
| 5086539 |
Carpet cleaning machine with pattern-oriented vacuum nozzle |
Feb. 11, 1992 |
| 5084934 |
Vacuum cleaners |
Feb. 4, 1992 |
| 5077863 |
Carpet cleaning machine with perimeter vacuum capability |
Jan. 7, 1992 |
| 5077862 |
Carpet cleaning machine with edge-mounted vacuum nozzle |
Jan. 7, 1992 |
| 5018240 |
Carpet cleaner |
May. 28, 1991 |
| 4903369 |
Suction nozzle device for use in vacuum cleaner |
Feb. 27, 1990 |
| 4850077 |
Double brush-roll vacuum cleaner |
Jul. 25, 1989 |
| 4679271 |
Automatic tool force compensator for a surface maintenance machine |
Jul. 14, 1987 |
| 4654927 |
Side sweeping brushing vacuum machine |
Apr. 7, 1987 |
| 4624025 |
Protective device for floor cleaning apparatus |
Nov. 25, 1986 |
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