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Class Information
Number: 181/288
Name: Acoustics > Sound-modifying means > Sound absorbing panels > Cellular
Description: Subject matter comprising either discrete elements (e.g., tubular constituents) or components which form, or cooperate to form, cavities the longitudinal axis of which are at an angle to the plane of the major face of the product.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8636107 Method for repairing at least a portion of an acoustic panel Jan. 28, 2014
8636104 Acoustically absorptive panel Jan. 28, 2014
8607924 Anchoring of septums in acoustic honeycomb Dec. 17, 2013
8579078 Acoustic panel for a turbojet engine nacelle, with in-built fasteners Nov. 12, 2013
8579225 Device for acoustic treatment of the noise emitted by a turbojet Nov. 12, 2013
8567558 Partition panel Oct. 29, 2013
8485315 Acoustic energy reflector Jul. 16, 2013
8474574 Sound absorbing structure Jul. 2, 2013
8439160 Acoustic suppression systems and related methods May. 14, 2013
8424637 Systems and methods for providing an asymmetric cellular acoustic diffuser Apr. 23, 2013
8336804 Aircraft cabin panel with core recesses for acoustic absorption Dec. 25, 2012
8196704 Linear acoustic liner Jun. 12, 2012
8143323 Polyurethane foam for vehicle and method for manufacturing the same Mar. 27, 2012
8087494 Method of making a composite panel having subsonic transverse wave speed characteristics Jan. 3, 2012
7997384 Multilayer board for reducing solid-borne sound Aug. 16, 2011
7921966 Linear acoustic liner Apr. 12, 2011
7854298 Acoustic septum cap honeycomb Dec. 21, 2010
7789197 Soundproofing assembly, use for soundproofing enclosed spaces, and method for making same Sep. 7, 2010
7770691 Lightweight pelletized materials Aug. 10, 2010
7712579 Floor silencer May. 11, 2010
7631727 Sandwich structure with frequency-selective double wall behavior Dec. 15, 2009
7510052 Acoustic septum cap honeycomb Mar. 31, 2009
7469770 Anechoic visco-thermal liner Dec. 30, 2008
7451855 Acoustic absorbing device Nov. 18, 2008
7419031 Integrally damped composite aircraft floor panels Sep. 2, 2008
7416773 Sound absorbing body Aug. 26, 2008
7322441 Extended bandwidth folded well diffusor Jan. 29, 2008
7314114 Flat panel diffuser Jan. 1, 2008
7297390 Structural polymer core assembly, method of manufacture and method of use Nov. 20, 2007
7070848 Vehicle acoustic barrier Jul. 4, 2006
6983821 Acoustical panel having a honeycomb structure and method of making the same Jan. 10, 2006
6899200 Sound barrier May. 31, 2005
6878432 Panel Apr. 12, 2005
6830796 Acoustic board with an improved composite structure Dec. 14, 2004
6789645 Sound-insulating sandwich element Sep. 14, 2004
6713150 Acoustically effective rear parcel shelf Mar. 30, 2004
6630222 Acoustic media Oct. 7, 2003
6596389 Foamed composite panel with improved acoustics and durability Jul. 22, 2003
6595321 Floor mats having peripheral apertures with acoustic absorbing material Jul. 22, 2003
6590993 Panel-shaped loudspeaker Jul. 8, 2003
6584736 Stand-mountable foam-type acoustic panel Jul. 1, 2003
6568135 Sound absorbing structure May. 27, 2003
6569509 Ultralight, sound and shock absorbing component set May. 27, 2003
6457554 Acoustic absorber for absorbing noises in buildings Oct. 1, 2002
6420447 Viscoelastic damping foam having an adhesive surface Jul. 16, 2002
6371242 Noise attenuation panel Apr. 16, 2002
6324294 Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements Nov. 27, 2001
6244378 Dual sonic character acoustic panel and systems for use thereof Jun. 12, 2001
6203656 Acoustic liner manufacture Mar. 20, 2001
6200664 Explosion barrier Mar. 13, 2001

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