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| Number | Title | Issue Date |
| 8181738 | Acoustical sound proofing material with improved damping at select frequencies and methods for manufacturing same A laminated panel is provided including a first layer of material having external and internal surfaces; a second layer of material having external and internal surfaces; a layer of viscoelastic glue in contact with the internal surface of said first layer of materi... | 05/22/2012 |
| 8157051 | Moulded soundproofing component, and manufacturing method thereof This method includes the placing of the first porous layer (1) onto one part of a wall of a mold cavity having the shape desired by the soundproofing component, the first layer (1) not occupying the entire cavity, and the injection of a foaming polymer... | 04/17/2012 |
| 8127889 | Noise reduction system for structures A method and apparatus are present for reducing noise. The apparatus comprises a core and a face sheet. The core is configured to reduce a speed of shear waves traveling through the core. The face sheet is located over a first surface of the core and is configured t... | 03/06/2012 |
| 8100225 | Room dampening panel An acoustic treatment room dampening panel 10 is arranged to support at least three layers of material 3 with multiple through holes 2. Each layer of material with through holes are spaced apart, with through holes off set between layers, such t... | 01/24/2012 |
| 8087494 | Method of making a composite panel having subsonic transverse wave speed characteristics A method of making a composite panel having subsonic transverse wave speed characteristics which has first and second sheets sandwiching a core with at least one of the sheets being attached to the core at first regions thereof and unattached to the core at second r... | 01/03/2012 |
| 8083027 | Method for manufacturing a sandwich panel A method for manufacturing a sandwich panel includes, but is not limited to the steps of providing at least one air-permeable core layer and at least one porous cover layer, applying an adhesive onto a first area of the core layer, pressing the cover layer onto the ... | 12/27/2011 |
| 8074766 | Multi-layer sound attenuating acoustic panel An acoustic panel having rigid, damped faces and an interior layer assembly. The assembly can constructed with minimal layer coupling and common construction adhesives and without the use of mechanical fasteners. The panel is capable of providing significant noise a... | 12/13/2011 |
| 8066097 | Acoustic enhancement device for underlayment of a covering An acoustic enhancement device adapted for being placed on a support and under a covering, and containing a first flexible layer adapted for being placed facing the support, a second rigid layer joined to the first flexible layer and adapted for being placed opposit... | 11/29/2011 |
| 8028801 | Soundproof cover The present invention provides a soundproof cover comprising: a sound-absorbing material having air permeability; and a skin material impregnated with a viscoelastic material and having air permeability, wherein the skin material is provided on a surface of the soun... | 10/04/2011 |
| 8028802 | Method and system for damped acoustic panels A method and system for an acoustic panel system are provided. The system includes a plurality of acoustic panel segments aligned circumferentially about an inner diameter of a fan containment case wherein each segment includes a radially inner surface defining a po... | 10/04/2011 |
| 8016072 | Composite headliner with improved acoustic performance A composite headliner material allows sound waves originating within a vehicle to penetrate deeply into the headliner where all of a significant portion of their energy is absorbed rather than reflected back into the vehicle. The coverstock sheet is backed by a mult... | 09/13/2011 |
| 7963363 | Soundproof cover for automobiles The present invention relates to a soundproof cover for automobiles, the soundproof cover including: a cover body formed of a metal or a resin; and a sound-absorbing material disposed opposite to a sound source, in which the sound-absorbing material has a soft sound... | 06/21/2011 |
| 7946384 | 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 members spaced from one another and extending between the first plate and ... | 05/24/2011 |
| 7938228 | Process for producing sound absorber and produced by the process, sound absorber and sound absorbing structure A process for producing a sound absorber having skin layers constituting front and back surfaces and, interposed between the skin layers, a void layer having a plurality of pin formed holes, each hole having a depth which is enough to penetrate one of the skin layer... | 05/10/2011 |
| 7921965 | Soundproof assembly and methods for manufacturing same An improved acoustical floor/ceiling, or wall assembly affixed to a support structure, the assembly using laminar panels. A first one of the laminar panels includes a constraining layer of material with a layer viscoelastic glue on the constraining layer and a layer... | 04/12/2011 |
| 7913813 | Noise shield for a launch vehicle An apparatus comprises a core having a first surface configured for attachment to a surface of a structure, a face sheet located over a second surface of the core, a number of cavities within an interior of the core, and a number of ports for the number of cavities.... | 03/29/2011 |
| 7913812 | Composite sound barrier panel A composite sound barrier panel includes a concrete substrate provided for strength and a noise attenuation layer bonded thereto. The noise attenuation layer in one embodiment is a concrete mixture of a fiber composite material and cement. In another embodiment, rec... | 03/29/2011 |
| 7909136 | Soundproof assembly A soundproof assembly having front and rear panels with one or both of the front and rear panels having a laminar structure. In one embodiment the front and rear panels are spaced apart by a spacer structure and a covering structure is attached around the periphery ... | 03/22/2011 |
| 7878301 | Fire retardant nonwoven material and process for manufacture An improved acoustically and thermally insulating fire-retardant composite material suitable for use in structures such as buildings, appliances, and the interior passenger compartments and exterior components of automotive vehicles is provided. The material is comp... | 02/01/2011 |
| 7837009 | Nonwoven material for acoustic insulation, and process for manufacture An improved acoustically and thermally insulating fire-retardant composite material suitable for use in structures such as buildings, appliances, and the interior passenger compartments and exterior components of automotive vehicles is provided. The material is comp... | 11/23/2010 |
| 7798287 | Acoustical ceiling panels A ceiling panel assembly is provided, including: a sound damping layer including a constraining layer and a first viscoelastic layer; and an acoustical absorption layer coupled to the sound damping layer. A suspended ceiling assembly is provided, including: a suppor... | 09/21/2010 |
| 7789197 | Soundproofing assembly, use for soundproofing enclosed spaces, and method for making same A soundproofing assembly includes stacked layers in the form of a first set of layers (36) having good resistance to the passage of air, and a second set of layers (24) with mass-spring function including a layer (28) having a heavy viscoelastic... | 09/07/2010 |
| 7770692 | Engine acoustic treatment An example embodiment of an acoustic treatment for an engine having at least one engine component extending substantially therefrom includes a base layer having a first base surface and an opposing second base surface. The first base surface is configured to mate wi... | 08/10/2010 |
| 7762375 | Soundproofing material The object of the present invention is to provide a soundproofing material that is lightweight and has sufficient soundproofing performance. The present soundproofing material includes a frame body including a planar portion and a wall body installed upright on the ... | 07/27/2010 |
| 7757810 | Transparent acoustical laminate wall system and method of forming same A transparent acoustical sound-absorbing, fire-retardant wall finishing system (100) includes a laminated semi-rigid acoustical planar backer board material (101). A glass textile surface covering (107) is used which includes a decorative woven ... | 07/20/2010 |
| 7757809 | Acoustic cover part for a vehicle A cover part for a vehicle, especially an underbody cover, has a porous core layer and at least one cover layer on each side, wherein the porous core layer is constructed such that it has acoustic transparency or an acoustically absorbent effect. Here, the porous co... | 07/20/2010 |
| 7690480 | Soundproof material A soundproof material is provided with a first sound absorbing layer arranged on a vehicle panel, a second sound absorbing layer closer to an inner side of a passenger compartment, and an intermediate layer provided between the sound absorbing layers. The intermedia... | 04/06/2010 |
| 7677358 | Sealed thin-multi-layer sound absorber The invention relates to a thin sound absorbing multi-layer assembly, which is intended, in particular, to reduce interior or exterior noise of a motor vehicle. The assembly according to the invention comprises at least three stacked layers consisting respectively o... | 03/16/2010 |
| 7604095 | Thermal-acoustic enclosure An enclosure having at least one wall, the wall includes an inner panel comprising, in sequence outwardly from the enclosure hollow interior, an inner sheet comprising a plurality of perforations extending therethrough, a plurality of panel stiffening members couple... | 10/20/2009 |
| 7600609 | Sound-absorbing panel and production method of the same In order to provide a sound-absorbing panel and a production method of the same which has excellent freedom of design and have small differences in the maximum sound-absorbing coefficients among products, a sound-absorbing panel is adopted which is characterized by ... | 10/13/2009 |
| 7503428 | Acoustic panel An apparatus and method is disclosed for an improved acoustic panel comprising a sound absorbing member defined by a first and second face surface and a plurality of peripheral edges. A sound blocking member is defined by a first and second face surface and a plural... | 03/17/2009 |
| 7503429 | Acoustic panel assembly The invention relates to an acoustic panel assembly. There is a need for a simple and inexpensive acoustic panel assembly. An acoustic panel assembly includes a parent panel and an insert panel. The parent panel has a higher density body and a sound reflecting skin.... | 03/17/2009 |
| 7500541 | Acoustic material with liquid repellency A nonwoven acoustic insulating material which also provides repellency to water and low surface tension fluids. Also disclosed is a method for attenuating transmitted sound and repelling fluids which includes providing a nonwoven acoustic insulating material, the no... | 03/10/2009 |
| 7445084 | Soundproof thermal shield The invention relates to a soundproof thermal shield (3), particularly for motor vehicles, comprising an aluminum support (4), a noise-absorbing layer (6) and an aluminum thermal covering (7). In order to make the inventive soundproof the... | 11/04/2008 |
| 7434659 | Acoustic septum cap honeycomb An acoustic structure that includes a honeycomb having cells in which septum caps are located. The septum caps are formed from sheets of acoustic material and include a resonator portion and a flange portion. The flange portion has an anchoring surface that provides... | 10/14/2008 |
| 7434660 | Perforated soundproof structure and method of manufacturing the same A perforated soundproof structure is formed by oppositely arranging an external plate 1 and an internal plate 2 having a number of through-holes 2a. The board thickness, hole diameter and open area ratio of the internal plate 2 are... | 10/14/2008 |
| 7431128 | Noise absorbing structure of instrument panel A noise absorbing structure of an instrument panel of a vehicle includes a first noise absorbing panel, provided in the instrument panel disposed in front of a driver seat of the vehicle, a second noise absorbing panel, provided in the instrument panel disposed in f... | 10/07/2008 |
| 7412801 | Sound absorbing panel A sound absorbing panel comprising a generally rectangular mat of sound absorbing material, a plastic non woven covering at the frontal mat surface facing towards the sound insulated space and a sheet metal plate covering at the rear. The sheet metal plate covering ... | 08/19/2008 |
| 7410030 | Soundproofing material for vehicle A soundproofing material for vehicle having a laminated structure comprising two sound absorbing layers and an interlayer interposed therebetween, characterized in that the interlayer is formed by bonding and laminating on the respective side of an air-impermeable f... | 08/12/2008 |
| 7401682 | Architecture for an acoustic liner An acoustic liner 20 includes a remote panel 26, a perforated proximate panel 22 transversely spaced from the remote panel and one or more partitions 32 spanning across the space between the panels. At least one baffle 44 cooperate... | 07/22/2008 |
