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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6198831 |
Panel-form loudspeakers |
Mar. 6, 2001 |
| 6196352 |
Sound attenuating relocatable partition wall panel |
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 |
| 5274971 |
Rapidly erectable, removable, reusable and raisable outdoor acoustical wall system and method |
Jan. 4, 1994 |
| 5260525 |
Panel assemblies |
Nov. 9, 1993 |
| 5217771 |
Sound barrier |
Jun. 8, 1993 |
| 5058705 |
Sound-absorbing cover element as a component in a gap-free acoustic cover |
Oct. 22, 1991 |
| 4998598 |
Acoustical door |
Mar. 12, 1991 |
| 4989688 |
Acoustical wall panel and method of assembly |
Feb. 5, 1991 |
| 4960184 |
Sound absorbing structure |
Oct. 2, 1990 |
| 4958700 |
Protective facility for suppressing noise produced at high gas flows by engines installed on aircraft |
Sep. 25, 1990 |
| 4924969 |
Acoustic door |
May. 15, 1990 |
| 4913261 |
Acoustical absorber |
Apr. 3, 1990 |
| 4891920 |
Acoustical wall panel |
Jan. 9, 1990 |
| 4875312 |
Wall panelling for altering the acoustic properties of a wall |
Oct. 24, 1989 |
| 4832152 |
Acoustic tile |
May. 23, 1989 |
| 4761921 |
Sound-masking system for core modules used in an office |
Aug. 9, 1988 |
| 4750586 |
Multi-tubular acoustic baffle system |
Jun. 14, 1988 |
| 4690421 |
Crossover shelter between sections of articulated road and rail vehicles |
Sep. 1, 1987 |
| 4682670 |
Portable adjustable acoustic absorber |
Jul. 28, 1987 |
| 4630416 |
Acoustical panel |
Dec. 23, 1986 |
| 4621709 |
Sound attenuating partitions and acoustical doors |
Nov. 11, 1986 |
| 4570743 |
Noise protection device for a winding unit |
Feb. 18, 1986 |
| 4515238 |
Portable acoustical shield and sound enhancing closure |
May. 7, 1985 |
| 4509442 |
Acoustical shield assembly for a sewing machine |
Apr. 9, 1985 |
| 4480715 |
Sight and sound barrier |
Nov. 6, 1984 |
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