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Class Information
Number: 181/210
Name: Acoustics > Sound-modifying means > Sound absorbing fence or screen (e.g., jet engine or vehicle noise)
Description: Subject matter comprising physical barriers which absorb, direct, and/or block sound waves from acoustical devices.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7413053 |
Acoustic resonator with impingement cooling tubes |
Aug. 19, 2008 |
| 7383918 |
Noise suppressor exhaust sound attenuation overhaul and repair kit |
Jun. 10, 2008 |
| 7380636 |
Noise reducing equipment |
Jun. 3, 2008 |
| 7350619 |
Auxiliary power unit exhaust duct with muffler incorporating an externally replaceable acoustic liner |
Apr. 1, 2008 |
| 7337875 |
High admittance acoustic liner |
Mar. 4, 2008 |
| 7308965 |
Noise abatement wall |
Dec. 18, 2007 |
| 7296655 |
Duct liner acoustic splice |
Nov. 20, 2007 |
| 7296656 |
Acoustic mechanical retainer |
Nov. 20, 2007 |
| 7124856 |
Acoustic liner for gas turbine engine |
Oct. 24, 2006 |
| 7080712 |
Soundproof material for vehicle and method of manufacturing the material |
Jul. 25, 2006 |
| 7063184 |
Sound reducing panel |
Jun. 20, 2006 |
| 7055649 |
Multi-density sound attenuating laminates and methods of making same |
Jun. 6, 2006 |
| 7047725 |
Assembly and method for aircraft engine noise reduction |
May. 23, 2006 |
| 7017705 |
Blast compression wave absorbing device |
Mar. 28, 2006 |
| 6983822 |
Sound absorptive protective mat |
Jan. 10, 2006 |
| 6920958 |
Annular acoustic panel |
Jul. 26, 2005 |
| 6896099 |
Aircraft engine pod with acoustic attenuation |
May. 24, 2005 |
| 6810991 |
Enfolding sound barrier |
Nov. 2, 2004 |
| 6772857 |
Acoustically resistive layer for an acoustical attenuation panel, panel using such a layer |
Aug. 10, 2004 |
| 6772856 |
Fine jet control-type sound absorption system |
Aug. 10, 2004 |
| 6761245 |
Tubular acoustic attenuation piece for an aircraft jet engine air intake |
Jul. 13, 2004 |
| 6630222 |
Acoustic media |
Oct. 7, 2003 |
| 6494008 |
Dual section sound wall panel and method of manufacture |
Dec. 17, 2002 |
| 6371242 |
Noise attenuation panel |
Apr. 16, 2002 |
| 6343672 |
Blowdown and venting jet noise suppressor |
Feb. 5, 2002 |
| 6305492 |
Noise-protection wall-segment |
Oct. 23, 2001 |
| 6253872 |
Track soundproofing arrangement |
Jul. 3, 2001 |
| 6237717 |
Noise insulating member having low degree of water and oil absorbency |
May. 29, 2001 |
| 6209680 |
Acoustic diffuser panels and wall assembly comprised thereof |
Apr. 3, 2001 |
| 6199656 |
Casing for noise attenuation in a rock drilling rig |
Mar. 13, 2001 |
| 6173806 |
Muffling wall |
Jan. 16, 2001 |
| 6123169 |
Pre-engineered vertical wall structure constructed entirely or prefabricated wood |
Sep. 26, 2000 |
| 6112849 |
Sound protection device for railroad track system |
Sep. 5, 2000 |
| 6085861 |
Collapsible portable acoustic tower |
Jul. 11, 2000 |
| 6019189 |
Noise barrier wall |
Feb. 1, 2000 |
| 6016888 |
Stable flow enhancements for ground runup enclosure |
Jan. 25, 2000 |
| 6016887 |
Lightweight and economical sound barrier for mounting on the ground or a bridge |
Jan. 25, 2000 |
| 6006858 |
Noise control apparatus |
Dec. 28, 1999 |
| 5984044 |
Acoustical barrier wall with protective sleeves and method of assembly |
Nov. 16, 1999 |
| 5971096 |
Noise barrier and method of installing same |
Oct. 26, 1999 |
| 5965852 |
Roadway soundwall and sound-reducing modules used therein |
Oct. 12, 1999 |
| 5942736 |
Antinoise barrier with transparent panels, provided with acoustic insulation and acoustic absorption characteristics |
Aug. 24, 1999 |
| 5940788 |
Method and system for designing vehicle door seals based on predicted sound transmission characteristics |
Aug. 17, 1999 |
| 5920041 |
Structure for mounting sound absorbing member on top portion of sound insulation wall and method of mounting the same |
Jul. 6, 1999 |
| 5912440 |
Wooden structure |
Jun. 15, 1999 |
| 5907932 |
Wall structure having enhanced sound transmission loss |
Jun. 1, 1999 |
| 5902969 |
Noise barrier |
May. 11, 1999 |
| 5872341 |
Noise attenuating wall |
Feb. 16, 1999 |
| 5837890 |
Jet engine test cell structure |
Nov. 17, 1998 |
| 5800888 |
Heat bonded type vibration-damping resin for structural member vibration-damping structure |
Sep. 1, 1998 |
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