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Class Information
Number: 15/326
Name: Brushing, scrubbing, and general cleaning > Machines > With air blast or suction > With sound muffling feature
Description: Cleaning apparatus having means specially designed to muffle the noise of the air being discharged by the air pump.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7610654 |
Vacuum cleaner |
Nov. 3, 2009 |
| 7596829 |
Vacuum cleaner |
Oct. 6, 2009 |
| 7581281 |
Ultra-compact recessed wall mounted vacuum cleaner |
Sep. 1, 2009 |
| 7513924 |
Cyclonic separating apparatus |
Apr. 7, 2009 |
| 7475449 |
Vacuum cleaner |
Jan. 13, 2009 |
| 7437796 |
Backpack having a reservoir |
Oct. 21, 2008 |
| 7409742 |
Suction nozzle for a vacuum cleaner |
Aug. 12, 2008 |
| 7356873 |
Highly efficient autonomous vacuum cleaner |
Apr. 15, 2008 |
| 7337492 |
Vacuum cleaner having a noise blocking member facing an intake vent of a motor fan |
Mar. 4, 2008 |
| 7334291 |
Suction brush assembly and a vacuum cleaner having the same |
Feb. 26, 2008 |
| 7263743 |
Motor mount assembly |
Sep. 4, 2007 |
| 7225504 |
Noise suppressor for use with vacuum air cleaner |
Jun. 5, 2007 |
| 7191488 |
Device for setting up central vacuum cleaning installations |
Mar. 20, 2007 |
| 7159273 |
Muffler assembly for a bagless vacuum cleaner |
Jan. 9, 2007 |
| 7114216 |
Vacuum cleaner with noise suppression features |
Oct. 3, 2006 |
| 6948211 |
Vacuum cleaner with noise suppression features |
Sep. 27, 2005 |
| 6932188 |
Silencer for vacuum cleaner |
Aug. 23, 2005 |
| 6810989 |
System for insulating the sound emanating from a motor/pump unit |
Nov. 2, 2004 |
| 6804857 |
Apparatus for dampening the noise of a vacuum cleaner |
Oct. 19, 2004 |
| 6792649 |
Contoured intake ducts and fan housing assemblies for floor care machines |
Sep. 21, 2004 |
| 6779228 |
Quiet central vacuum power unit |
Aug. 24, 2004 |
| 6666660 |
Motor-fan assembly for a floor cleaning machine |
Dec. 23, 2003 |
| 6637069 |
Blower having fan oriented perpendicular to discharge nozzle |
Oct. 28, 2003 |
| 6611989 |
Vacuum cleaner having cooling features |
Sep. 2, 2003 |
| 6579060 |
Impeller and housing assembly with reduced noise and improved airflow |
Jun. 17, 2003 |
| 6575695 |
Centrifugal blower and power working machine |
Jun. 10, 2003 |
| 6530116 |
Vacuum cleaner with muffled detachable blower exhaust |
Mar. 11, 2003 |
| 6511286 |
Centrifugal blower and portable power working machine |
Jan. 28, 2003 |
| 6502279 |
Turbo-brush for cleaning a surface |
Jan. 7, 2003 |
| 6385809 |
Gasketless wet/dry vacuum with switchable blowing |
May. 14, 2002 |
| 6370729 |
Portable power working machine |
Apr. 16, 2002 |
| 6363574 |
Vacuum cleaner |
Apr. 2, 2002 |
| 6336244 |
Electric blower and electric cleaning device using the same |
Jan. 8, 2002 |
| 6330732 |
Dust collect device for an eraser |
Dec. 18, 2001 |
| 6324720 |
Portable blower tube noise reduction |
Dec. 4, 2001 |
| 6324721 |
Leaf blower |
Dec. 4, 2001 |
| 6305048 |
Electric backpack blower and accessory operator |
Oct. 23, 2001 |
| 6206980 |
Multi-functional cleaning machine |
Mar. 27, 2001 |
| 6192551 |
Wet cleaning apparatus |
Feb. 27, 2001 |
| 6178591 |
Dust free and noise improved vacuum cleaner module |
Jan. 30, 2001 |
| 6158083 |
Wet/dry vacuum with reduced operating noise |
Dec. 12, 2000 |
| 6158082 |
Portable blower with blower tube noise reduction |
Dec. 12, 2000 |
| 6105205 |
Power working machine |
Aug. 22, 2000 |
| 6094774 |
Silencer for a suction cleaner |
Aug. 1, 2000 |
| 6085382 |
Air filtrating self-propelled upright vacuum cleaner |
Jul. 11, 2000 |
| 6079076 |
Vacuum cleaner collection bag |
Jun. 27, 2000 |
| 6070289 |
Low noise vacuum cleaner |
Jun. 6, 2000 |
| 6052863 |
Central vacuum cleaner muffler |
Apr. 25, 2000 |
| 6035485 |
Vacuum cleaner muffler/deflector |
Mar. 14, 2000 |
| 5991969 |
Noise absorbing device for vacuum cleaner |
Nov. 30, 1999 |
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