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Class Information
Number: 181/285
Name: Acoustics > Sound-modifying means > Sound absorbing panels > Load bearing block type structure
Description: Subject matter comprising sound attenuating structural elements or units, e.g., blocks, sufficiently strong or rigid to support a load.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8678133 Sound attenuating laminate materials Mar. 25, 2014
8662248 Sound attenuation stud Mar. 4, 2014
8616331 Panel assembly for traffic noise barrier wall Dec. 31, 2013
8109361 Solid-borne sound reducing structure Feb. 7, 2012
8087494 Method of making a composite panel having subsonic transverse wave speed characteristics Jan. 3, 2012
8074766 Multi-layer sound attenuating acoustic panel Dec. 13, 2011
8066097 Acoustic enhancement device for underlayment of a covering Nov. 29, 2011
8061478 Acoustic face of polymer and embedded coarse aggregates and an acoustic panel assembly Nov. 22, 2011
8003199 Noise prevention plate consisting of acrylic glass Aug. 23, 2011
RE42634 Sound muffling material and method of making thereof Aug. 23, 2011
7921965 Soundproof assembly and methods for manufacturing same Apr. 12, 2011
7789193 Sound insulating device Sep. 7, 2010
7665574 Soundproofing restraining system Feb. 23, 2010
7658042 Fire-protection walls of cementitious composite materials Feb. 9, 2010
7571790 Sound absorption block and method of constructing the same Aug. 11, 2009
7568553 Noise barrier system composed of a base with a transparent superstructure Aug. 4, 2009
7562743 Acoustical window and door covering Jul. 21, 2009
7546900 Panel assembly for traffic noise barrier wall Jun. 16, 2009
7467687 Thermal--acoustic enclosure Dec. 23, 2008
7398856 Acoustical and firewall barrier assembly Jul. 15, 2008
7380636 Noise reducing equipment Jun. 3, 2008
7322440 Ultralight trim composite Jan. 29, 2008
7314212 Sound attenuating fencing assembly Jan. 1, 2008
7246681 Radio frequency shielded and acoustically insulated enclosure Jul. 24, 2007
6899200 Sound barrier May. 31, 2005
6892856 Sound radiating structure, acoustic room and sound scattering method May. 17, 2005
6810991 Enfolding sound barrier Nov. 2, 2004
6758305 Combination sound-deadening board Jul. 6, 2004
6713150 Acoustically effective rear parcel shelf Mar. 30, 2004
6634458 Soundproofing system Oct. 21, 2003
6613424 Composite structure with foamed cementitious layer Sep. 2, 2003
6609591 Soundproofing element and soundproofing wall Aug. 26, 2003
6581724 Sound absorbing closure panels for sound isolation modules Jun. 24, 2003
6569509 Ultralight, sound and shock absorbing component set May. 27, 2003
6290021 Method of manufacturing a sandwich board and a sound insulating structure Sep. 18, 2001
6179086 Noise attenuating sandwich composite panel Jan. 30, 2001
6123170 Noise reducing connection assembly for aircraft turbine housings Sep. 26, 2000
6112849 Sound protection device for railroad track system Sep. 5, 2000
6029770 Sound damping element Feb. 29, 2000
5845459 Insulating tile Dec. 8, 1998
5787656 Acoustical seating risers for indoor arenas Aug. 4, 1998
5780785 Acoustic absorption device and an assembly of such devices Jul. 14, 1998
5700983 Sound attenuating structural block Dec. 23, 1997
5690035 Vibration-damping material, its manufacturing method, and structural section for transport vehicle Nov. 25, 1997
5665447 Sound screen insulation with asphalt septum Sep. 9, 1997
5661273 Soundproof wall Aug. 26, 1997
5641950 Acoustical panel system Jun. 24, 1997
5551198 Sound collecting block and sound absorbing wall system Sep. 3, 1996
5491309 Acoustical panel system Feb. 13, 1996
5317113 Anechoic structural elements and chamber May. 31, 1994

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