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Class Information
Number: 181/211
Name: Acoustics > Sound-modifying means > Combined
Description: Subject matter not provided for above comprising some acoustical device or other device having a function other than sound modifying or sound muffling combined with or in addition to sound modifying or sound muffling means.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8616327 Portable media player sound deflecting assembly Dec. 31, 2013
8590668 Construction machine with cab noise reduction device Nov. 26, 2013
8584793 Device for reducing booming noise in a motor vehicle Nov. 19, 2013
8573354 Noise suppression system for hollow vehicle fasteners Nov. 5, 2013
8479876 Sound damping patch Jul. 9, 2013
8307950 Sound barrier wall Nov. 13, 2012
8287146 Foam part and sound absorber which is mounted in a suspended manner Oct. 16, 2012
8276711 Sound barrier wall Oct. 2, 2012
8230970 Sound barrier wall Jul. 31, 2012
8220587 Silencer cover for saddle-ride type vehicle Jul. 17, 2012
8157048 Splash proof acoustically resistive color assembly Apr. 17, 2012
8118135 Photovoltaic soundproof wall Feb. 21, 2012
8028796 Assembly of tire and rim Oct. 4, 2011
7945350 Wind turbine acoustic emission control system and method May. 17, 2011
7926615 Method of making an exhaust-noise attenuation muffler, and exhaust-noise attenuation muffler Apr. 19, 2011
7784585 Wire mesh heat shield isolator Aug. 31, 2010
7779793 Engine-driven work machine resiliently supported on a frame Aug. 24, 2010
7637062 Panel section for sound barrier Dec. 29, 2009
7635402 Air filter status evaluator Dec. 22, 2009
7549506 Method of suppressing combustion instabilities using a resonator adopting counter-bored holes Jun. 23, 2009
7503429 Acoustic panel assembly Mar. 17, 2009
7461719 Resonator performance by local reduction of component thickness Dec. 9, 2008
7413053 Acoustic resonator with impingement cooling tubes Aug. 19, 2008
7383918 Noise suppressor exhaust sound attenuation overhaul and repair kit Jun. 10, 2008
7350619 Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner Apr. 1, 2008
7104358 Silencer containing one or more porous bodies Sep. 12, 2006
7021420 System and method for phased noise attenuation Apr. 4, 2006
7011179 Auxiliary heater arrangement with a muffler Mar. 14, 2006
6763909 Suction muffler Jul. 20, 2004
6726557 Vehicle having a sound-radiating element Apr. 27, 2004
6715583 Silencer and power enhancement environmental device Apr. 6, 2004
6698684 Supersonic aircraft with spike for controlling and reducing sonic boom Mar. 2, 2004
6332509 Noise reducer for construction equipment Dec. 25, 2001
6237717 Noise insulating member having low degree of water and oil absorbency May. 29, 2001
5996730 Heat shield with acoustic insulation Dec. 7, 1999
5929396 Noise reducing diffuser Jul. 27, 1999
5880413 Assembly for mounting of a muffler; combination and method Mar. 9, 1999
5844177 Heat shield with fastening for exhaust systems Dec. 1, 1998
5741369 Plate-like body structure with solar battery for sound insulation wall Apr. 21, 1998
5464952 Shield between vehicle exhaust and passenger compartment Nov. 7, 1995
5321214 Arrangement for disposing silencer of automobile Jun. 14, 1994
5321215 Vertical exhaust system incorporating a water trap Jun. 14, 1994
5321581 Air distribution system and manifold for cooling electronic components Jun. 14, 1994
5314009 Exhaust gas recuperator May. 24, 1994
5281778 Vehicular muffler with heat shield Jan. 25, 1994
5280142 Heat shielded exhaust system component Jan. 18, 1994
5228530 Muffler system for an engine disposed rearwardly of a vehicle Jul. 20, 1993
5197921 Construction element for a noise-suppression shed Mar. 30, 1993
5196253 Sound absorbing heat shield with perforate support layer Mar. 23, 1993
5170020 Rainproof exhaust pipe Dec. 8, 1992

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