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Class Information
Number: 181/205
Name: Acoustics > Sound-modifying means > Housing or enclosure (e.g., sound confining and absorbing) > Machine type enclosure > Partial enclosure or shroud
Description: Subject matter wherein only certain parts of a machine are enclosed, or the enclosure partially covers the device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8640819 Enclosure, assembly and method for reducing noise from a pump and mass spectrometry system Feb. 4, 2014
8602155 Engine arrangement comprising a noise shield Dec. 10, 2013
8596412 Tablet computer holder and sound deflecting assembly Dec. 3, 2013
8590667 Crankcase of internal combustion engine Nov. 26, 2013
8490743 Perforation acoustic muffler assembly and method of reducing noise transmission through objects Jul. 23, 2013
8479875 Acoustic isolation mechanism Jul. 9, 2013
8336671 Soundproofing cover and method of manufacturing same Dec. 25, 2012
8122997 Sound insulation structure with resonator Feb. 28, 2012
8074765 Sound absorbing structure of electronic equipment Dec. 13, 2011
8061475 Soundproof cover and method for producing the same Nov. 22, 2011
8061474 Perforation acoustic muffler assembly and method of reducing noise transmission through objects Nov. 22, 2011
8042648 Material for processing and molded member using the same Oct. 25, 2011
8028793 Noise attenuating inserts for electronic equipment cabinets Oct. 4, 2011
8028795 Exhaust component cover Oct. 4, 2011
8020662 Acoustic base tray for a dishwashing appliance, and associated method Sep. 20, 2011
7971680 Acoustic systems for lighting in suspended ceilings Jul. 5, 2011
7874400 Noise isolation device for swimming pool pumps and other machinery Jan. 25, 2011
7726442 Baffle equipped with flap assembly Jun. 1, 2010
7712576 Sound absorbing structure of electronic equipment May. 11, 2010
7635048 Sound suppression device for internal combustion engine system Dec. 22, 2009
7490697 Portable acoustic diffuser for portable generators Feb. 17, 2009
7481296 Sound reducing device for a coffee grinder and other kitchen appliances Jan. 27, 2009
7441533 Cover assembly for an internal combustion engine Oct. 28, 2008
7431128 Noise absorbing structure of instrument panel Oct. 7, 2008
7357219 Sound attenuating cover for domestic air conditioner compressors Apr. 15, 2008
7314113 Acoustic absorbers for use with computer cabinet fans and other cooling systems Jan. 1, 2008
7255196 Windshield and sound-barrier for seismic sensors Aug. 14, 2007
RE39260 Thermal and acoustical insulating shield Sep. 5, 2006
6953104 Muffin fan hush hood Oct. 11, 2005
6935458 Microphone shroud and related method of use Aug. 30, 2005
6932190 Sound jacket for noise reduction in refrigeration apparatus Aug. 23, 2005
6896095 Fan shroud with built in noise reduction May. 24, 2005
6896097 Mounting structure of speaker for vehicle May. 24, 2005
6808045 Secondary acoustic attenuator for vehicle Oct. 26, 2004
6805219 Engine cover Oct. 19, 2004
6769510 Engine cover Aug. 3, 2004
6722466 Acoustic blanket for machinery and method for attenuating sound Apr. 20, 2004
6702061 Environmentally protected microphone for an active noise control system Mar. 9, 2004
6631784 Device for reducing noise emissions Oct. 14, 2003
6583290 14-methyl epothilone derivatives Jun. 24, 2003
6581720 Noise attenuating insulated heat shield Jun. 24, 2003
6457549 Noise-absorbing structure for a cable reel Oct. 1, 2002
6129176 Sound attenuating motor end shield Oct. 10, 2000
6047790 Sound damping device for oscillatory components of a motor vehicle hydraulic system Apr. 11, 2000
5996729 Sound deflector Dec. 7, 1999
5696360 Sound-absorbing motor mount for electric actuating drives in motor vehicles Dec. 9, 1997
5681072 Sound absorber for motor vehicles Oct. 28, 1997
5508477 Apparatus for acoustic noise reduction of office automation devices utilizing Helmholtz resonance theory Apr. 16, 1996
5386702 Noise inhibiting arrangements for room air-conditioners Feb. 7, 1995
5264668 Smoke detector muffling device Nov. 23, 1993

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