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Match Document Document Title
7571790 Sound absorption block and method of constructing the same  
A sound absorption block installed at a music box, a gymnasium, a studio, etc. to prevent sounds from being heard outside, and a method of constructing the same are disclosed. The present invention...
7568553 Noise barrier system composed of a base with a transparent superstructure  
A noise barrier system composed of a base and a transparent superstructure. A support holds at least two adjacent transparent noise barrier elements and includes a point-fastening of the...
7562743 Acoustical window and door covering  
An acoustical dampening barrier, for an opening in a wall, that is translatable to an open position to allow access to the opening, the fixed barrier including a first barrier layer made of at...
7546900 Panel assembly for traffic noise barrier wall  
A panel assembly for a traffic noise barrier wall of the type including opposing slots formed in pairs of vertically-mounted posts is described. The panel assembly includes a sheet, which may be...
7467687 Thermal—acoustic enclosure  
An enclosure for apparatus that, during operation, generates heat and/or sound energy comprises at least one wall defining at least a portion of the enclosure hollow interior. The wall comprises in...
7398856 Acoustical and firewall barrier assembly  
The present invention provides an acoustical firewall attenuating assembly. The assembly includes a first frame assembly having a first plate, a second plate and a first plurality of elongate...
7380636 Noise reducing equipment  
The noise reducing equipment of the present invention is used in combination with a vertically oriented sound barrier wall to reduce the level of noise from a source of sound such as traffic...
7322440 Ultralight trim composite  
An ultra light, noise reducing composite ( 1 ) comprises an acoustically transparent, light weight film ( 6 ) between an underlay layer ( 5 ) and an air flow resistance layer ( 4 ). This composite...
7314212 Sound attenuating fencing assembly  
A deformation and weather resistant, noise attenuating fencing assembly comprises a series of hollow posts, each post formed of a fiberglass reinforced resin, having spaced apart load bearing walls...
7246681 Radio frequency shielded and acoustically insulated enclosure  
A radio frequency (“RF”) shielded and acoustically isolated enclosure that efficiently employs multiple layers of sound insulation and absorbs airborne noise and the noise provided by magnetic...
6899200 Sound barrier  
The present invention provides a sound barrier 1 including a plurality of elongate panels 2 having first and second ends 3 and 4 , each panel 2 being formed from a shell 5 defining an...
6892856 Sound radiating structure, acoustic room and sound scattering method  
Sound radiating structure includes a plurality of pipes each defining an inner cavity along the length of the pipe. Each of the pipes has an end opening at one end and is closed at the other end...
6810991 Enfolding sound barrier  
An enfolding sound barrier manifests a high effect of abating noise as compared with the conventional sound barrier and is capable of enhancing durability and field workability and securing a view...
6758305 Combination sound-deadening board  
A sound-deadening laminate, comprising a structural skin having a first face; and a layer of sound-deadening material, wherein the material has an equivalent Young's Modulus between 50 and 600 psi...
6713150 Acoustically effective rear parcel shelf  
The invention relates to a component part, especially a rear parcel shelf, and to a method for the production thereof, whereby the component part is provided with a honeycomb-like core layer ( 2 )...
6634458 Soundproofing system  
A new system for soundproofing floors utilizes a laminate material having a thickness that is 50% less than conventional asphalt soundproofing material but which has better sound reducing...
6613424 Composite structure with foamed cementitious layer  
The present invention provides for an acoustically absorbent porous panel that is both rigid and resistant to sagging caused by moisture. The acoustically absorbent porous panel is comprised of at...
6609591 Soundproofing element and soundproofing wall  
Soundproofing element includes a first sheet including a flexible material and a second sheet consisting of flexible material. The sheets are positioned at a distance from one another and at least...
6581724 Sound absorbing closure panels for sound isolation modules  
The invention provides a method for acoustic closure of an installation of a row of sound isolation modules within a host building encompassing the modules. One or more acoustic absorbing closure...
6569509 Ultralight, sound and shock absorbing component set  
The invention relates to an ultralight, sound and shock absorbing component set comprising at least one base layer ( 2 ), an intermediate layer ( 3 ) and a covering layer ( 6 ). The intermediate...
6290021 Method of manufacturing a sandwich board and a sound insulating structure  
A sound insulating structure (12) comprises first layer plates (30) arranged in coplanar and contiguous relationship in order to form a first structural layer, second layer plates (13) arranged in...
6179086 Noise attenuating sandwich composite panel  
A sandwich composite panel (2) provides a load bearing structural member as well as noise protection, especially for a helicopter fuselage cell or cabin. The panel (2) includes an inner honey-comb...
6123170 Noise reducing connection assembly for aircraft turbine housings  
In an aircraft turbine, an assembly consisting of an air inlet structure, a air blower housing (22) and a connecting part (36), is fitted in such a way as to reduce noise including in the junction...
6112849 Sound protection device for railroad track system  
A sound protection device for reducing the propagation of airborne sound comprises a track system and an elastically deformable, low sound-protecting wall made of rubber or plastic and extending in...
6029770 Sound damping element  
A sound damping element contains an inner wall and an outer wall, between which a cavity filled with absorption material is present, which are joined to one another. At longitudinal edges of the...
5845459 Insulating tile  
A new insulating tile for providing heat and sound insulation to wall and floor surfaces. The inventive device includes front and back plates each having inner and outer surfaces. Around the outer...
5787656 Acoustical seating risers for indoor arenas  
Acoustical seating risers for indoor arenas are made of a plurality of pre-formed units of L-shaped cross-section. These L-shaped sections are mounted atop one another on a separate pre-formed...
5780785 Acoustic absorption device and an assembly of such devices  
An acoustic absorption device preferably includes a platform having a rectangularly-shaped top surface and four side surfaces, each of the surfaces comprising a perforated material. A plurality of...
5700983 Sound attenuating structural block  
A structural block useful in constructing a wall for absorbing sound. The structural block includes a pair of internal cavities which are separated by a center wall. A pair of angled front walls...
5690035 Vibration-damping material, its manufacturing method, and structural section for transport vehicle  
A truss type extruded aluminum section (1) is formed of a pair of planar plates (2)(3) and ribs (4)(5)(6), wherein hollow portions (7)(8)(9) are formed within the section (1) by the ribs (4)(5)(6)...
5665447 Sound screen insulation with asphalt septum  
A panel for an office sound screen includes a core which includes an asphalt layer and insulation layers positioned on both sides of the asphalt layer. Preferably the asphalt layer has a thickness...
5661273 Soundproof wall  
A sound insulating barrier for improving acoustics in buildings, theaters, and around freeways, is disclosed. The sound insulating barrier has a multi-layer construction made of a layer of wood...
5641950 Acoustical panel system  
An acoustical panel system, including panels formed out of relatively thin sheet material, that can be utilized to construct walls, fences, and other structures. A frame structure has one or more...
5551198 Sound collecting block and sound absorbing wall system  
This invention deals with novel sound collecting blocks and their use, in conjunction with novel connector blocks, to build inexpensive, decorative sound walls. This invention also deals with...
5317113 Anechoic structural elements and chamber  
A substantially enclosed sound absorbing unit for an anechoic chamber is disclosed. The sound absorbing unit includes a substantially flat panel member comprising a layer of sound absorptive...
5266374 Carpet construction providing noise suppression  
A plurality of small blocks are disposed between an upper flexible layer and a more rigid and thicker layer. The blocks prevent the compression of portions of the carpet surrounding the area on...
5260525 Panel assemblies  
Various improvements of a modular wall assembly of the type having panels with channels formed along the side edges of the panels are described. The improvements include the formation of at least...
5226267 Acoustical diffusing and absorbing cinder blocks  
Disclosed are a variety of structural acoustical cinder blocks including locking blocks which are intended to be assembled together through the use of mortar to provide a diffusor of desired shape...
5160816 Two dimensional sound diffusor  
A two-dimensional sound diffusor is composed of a plurality of wells defined by a matrix of projecting elements. The wells, which have different depths and widths, are arranged in a repeating...
5027920 Cinder block modular diffusor  
The present invention relates to an acoustical diffusor device which is made up of a plurality of specially designed and shaped cinder or concrete blocks which may be assembled together through the...
4562901 Sound absorptive structural block with sequenced cavities  
A sound absorbing block of molded structural material has a sequence of internal cavities that communicate with a region containing the sound to be suppressed through a first elongated slot located...
4410770 Directional microphone  
A unidirectional dynamic microphone provided with a first sound path to the forward side of the diaphragm and a second sound path to the rear side of the diaphragm in which the second sound path...
4272572 Vibration isolation structure  
An article especially suited for use as a vibration isolating or shock absorbing structure comprising a multitude of short, resiliently compressible, elastic, tubular, rubbery bodies held together...
4122915 Sound absorbing and diffusing unit, an acoustic screen and/or a partition  
The sound absorbing and diffusing unit is provided for assembling an acoustic screen which can be placed in front of a wall inside an acoustic room for improving a sound effect therein. These units...
4094380 Multi layer sound-proofing structure  
A multi layered sound-proofing structure comprises: a first layer comprising a light aggregate and a binder and having a bulk density of from 0.1 to 2.0 g/cm 3 and void fraction as continuous void...
4071989 Sound insulative masonry block  
A masonry block includes pairs of opposed side walls and opposed web walls forming a cavity therebetween. One of the side walls is apertured to conduct sound waves into the cavity. A panel formed...
3983955 Arrangement for damping sound with resonators  
An arrangement for silencing or damping sound by resonators having space elements with closed air chambers. The resonators have openings in the outside wall facing the air stream, and air in the...
3867995 HIGH DENSITY SOUND TRANSMISSION LOSS SYSTEM  
Disclosed herein is a high density sound transmission loss panel for constructing soundproof enclosures. Each panel is comprised of a steel base and side plates, a layer of concrete which is...
3866001 Structural block with septum  
A sound absorbing structural block having a cavity with an aperture facing the sound source. A frequency filtering septum divides the cavity into two volumes, thereby achieving a secondary...
3846949 SOUND INSULATING BLOCK  
This invention relates to a sound insulating building block that insulates, absorbs or irregularly reflects incident sound waves. The block contains a cover therein. The cover contains a sound...
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