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Class Information
Number: 181/287
Name: Acoustics > Sound-modifying means > Sound absorbing panels > Movable/foldable panels
Description: Subject matter specifically designed to be flexible, hinged, or portable.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8573357 Acoustical door Nov. 5, 2013
8469144 Inflatable sound attenuation system Jun. 25, 2013
8430199 Sound shell Apr. 30, 2013
8272475 Sound attenuator for low frequencies, method for manufacturing sound attenuator for low frequencies and system for attenuating low frequencies for example in air-conditioning ducts of paper mi Sep. 25, 2012
8162099 Vehicle interior structure Apr. 24, 2012
8104574 Temporary noise control curtain wall system Jan. 31, 2012
8083023 Drum booth and kit for its construction Dec. 27, 2011
8028799 Damping device and method for damping sound in cavities of vehicles Oct. 4, 2011
8028791 Sound reflective acoustic panel Oct. 4, 2011
7992678 Inflatable sound attenuation system Aug. 9, 2011
7918312 Acoustic reflective panel assembly Apr. 5, 2011
7905323 Method, device and system for altering the reverberation time of a room Mar. 15, 2011
7866103 Building wall panels of hollow core construction Jan. 11, 2011
7779960 System and method for noise suppression Aug. 24, 2010
7712579 Floor silencer May. 11, 2010
7665574 Soundproofing restraining system Feb. 23, 2010
7661511 Board building material, board building material producing method, board building material installation method Feb. 16, 2010
7600608 Active acoustics performance shell Oct. 13, 2009
7581619 Movable baffle columns for use with air handling units Sep. 1, 2009
7571790 Sound absorption block and method of constructing the same Aug. 11, 2009
7565951 Wall mountable acoustic assembly for indoor rooms Jul. 28, 2009
7562743 Acoustical window and door covering Jul. 21, 2009
7467687 Thermal--acoustic enclosure Dec. 23, 2008
7329456 Method of fabrication of an acoustical substrate into a three dimensional product Feb. 12, 2008
7258196 Noise attenuator with laterally moving baffles Aug. 21, 2007
6749920 High solids, low shrinkage coating Jun. 15, 2004
6725968 Acoustic door assembly with continuous cam hinge Apr. 27, 2004
6630222 Acoustic media Oct. 7, 2003
6613424 Composite structure with foamed cementitious layer Sep. 2, 2003
6520288 Acoustic door assembly Feb. 18, 2003
6457554 Acoustic absorber for absorbing noises in buildings Oct. 1, 2002
6324294 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements Nov. 27, 2001
6305495 Surfacing panels for acoustical ceiling systems Oct. 23, 2001
6201878 Portable compact disc player Mar. 13, 2001
6196352 Sound attenuating relocatable partition wall panel Mar. 6, 2001
6198831 Panel-form loudspeakers Mar. 6, 2001
6112851 Partition wall panel Sep. 5, 2000
6085861 Collapsible portable acoustic tower Jul. 11, 2000
6065717 Noise attenuating wall element May. 23, 2000
6029770 Sound damping element Feb. 29, 2000
5971096 Noise barrier and method of installing same Oct. 26, 1999
5777279 Sound attenuating structure Jul. 7, 1998
5723831 Tackable acoustical barrier panel Mar. 3, 1998
5665447 Sound screen insulation with asphalt septum Sep. 9, 1997
5572847 Rapidly erectable, removable, reusable and raisable outdoor acoustical wall system Nov. 12, 1996
5547743 Thin high density glass fiber panel Aug. 20, 1996
5416285 Acoustical door May. 16, 1995
5411623 Method of manufacturing sound abatement blankets with non-overlapping seams May. 2, 1995
5403979 Easily raisable and lowerable telescopic shell tower acoustic system and methods of making and using the system Apr. 4, 1995
5392572 Rapidly erectable, removable, reusable and raisable outdoor acoustical wall system and method Feb. 28, 1995

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