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| Number | Title | Issue Date |
| 8172040 | Active/passive distributed absorber for vibration and sound radiation control Vibration or acoustic sound control is achieved using an elastic layer of thermal or insulation material in which a plurality of discrete masses are distributed throughout. The elastic layer may be installed as a pre-formed layer, or be blown into position within a ... | 05/08/2012 |
| 8118136 | Laminated perforated acoustical foam Prepare an acoustical polymeric foam by providing at least two initial polymeric foams, perforating all the way through the initial polymeric foams and then laminating the perforated initial foams together such that a perforated surface of one foam adheres to a perf... | 02/21/2012 |
| 8061478 | Acoustic face of polymer and embedded coarse aggregates and an acoustic panel assembly Described is an acoustic face comprising a solid polymer resin and coarse aggregates embedded within the solid polymer resin, and an acoustic panel assembly comprising at least one frame with a central opening in which a pair of the acoustic faces are mountable in o... | 11/22/2011 |
| 8051950 | System for reducing acoustic energy A sound insulator, including an assembly of connected particles, wherein the connected particles include particles adjacent to one another that are adhered to one another. The particles that are adhered to one another include particles of random shapes and random si... | 11/08/2011 |
| 8028803 | Molding a lightweight cast acoustical product A lightweight cast article that is made by the method of the present invention. A foamed acoustical product is prepared by blending a starch with cold water, then heating the starch/water blend to form a starch gel. Mineral wool is added to the starch gel to form a ... | 10/04/2011 |
| RE42634 | Sound muffling material and method of making thereof A sound muffling material for use in combustion engine exhaust mufflers is provided. The material includes volumized fibers retained in compressed form by a material of lower softening temperature than the fibers. When the material is heated by exhaust gases, the ma... | 08/23/2011 |
| 7984788 | Laminated acoustic absorption sheet with flame retardant The present invention relates to a light laminated acoustic absorption sheet. The light laminated acoustic absorption sheet with flame retardant is characterized in that one or more thermoplastic fibers (a) having a low melting point and selected from polyethylene, ... | 07/26/2011 |
| 7918313 | Nonwoven material for acoustic insulation, and process for manufacture An improved acoustically and thermally insulating composite material suitable for use in structures such as buildings, appliances, and the interior passenger compartments and exterior components of automotive vehicles, comprising at least one airlaid fibrous layer o... | 04/05/2011 |
| 7913814 | Acoustic baffle assembly An acoustic baffle assembly for sealing or baffling a hollow body having a mass of heat activated expandable material that is capable of activating at a predetermined temperature. A substrate supports the mass. The substrate has a central portion and spaced apart pr... | 03/29/2011 |
| 7770693 | Mat for acoustic apparatus An acoustic equipment mat is formed by arranging plural grain pieces of inexpensive silica gel in a single layer. When the mat is disposed under an acoustic equipment, the grain pieces have their upper ends in point contact with a bottom or the like of the acoustic ... | 08/10/2010 |
| 7712580 | Active/passive distributed absorber for vibration and sound radiation control Vibration or acoustic sound control is achieved using an elastic layer of thermal or insulation material in which a plurality of discrete masses are distributed throughout. The elastic layer may be installed as a pre-formed layer, or be blown into position within a ... | 05/11/2010 |
| 7694779 | Sound absorbing material A sound-absorbing material, wherein a non-woven fabric with a mass per unit area of 150 to 800 g/m2 and a bulk density of 0.01 to 0.2 g/cm3 and a surface material with an air permeability of not more than 50 cc/cm2/sec measured accor... | 04/13/2010 |
| 7503430 | Reduced dust acoustic panel An acoustical panel includes an acoustical layer having an interlocking matrix of calcium sulfate dihydrate, polyethylene glycol and at least one of the group fibers, a lightweight aggregate and mixtures thereof. The acoustical layer has voids in the interlocking ma... | 03/17/2009 |
| 7467688 | Multi-composite acoustic panel A multi-composite acoustic panel for application to walls or ceilings. The panel is made from 15 to 65% of particles of sawdust with a granulometry of 4 to 60 mesh, 25 to 75% of rubber crumb or other petroleum derivatives or recycled rubber with a granulometry of 4 ... | 12/23/2008 |
| 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 |
| 7416773 | Sound absorbing body In order to provide a sound-absorbing body which has both a thin thickness and improved sound-absorption characteristics with regard to a low tone range sounds, the sound-absorbing body (1) includes: an organic hybrid sheet (2) constituted from an orga... | 08/26/2008 |
| 7408842 | Sonar dome The Invention is a reinforced plastic sonar dome having a low acoustical insertion loss combined with sufficient mechanical strength. Acoustical and structural fibers are stochastically mixed and formed into a blended yarn. The blended yarn is woven into a blended f... | 08/05/2008 |
| 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 members spaced from one another and extending between the first plate and ... | 07/15/2008 |
| 7364014 | Sound absorbing body, sound absorbing structural body, and method of manufacturing these bodies A sound absorbing body 40 has a molded body 44 including two unexpanded layers 41, 42 and an expanded layer 43 having a number of voids and held between these unexpanded layers 41, 42, a plurality of holes 41A of a depth tha... | 04/29/2008 |
| 7364015 | Acoustical panel comprising interlocking matrix of set gypsum and method for making same An acoustical panel comprising a continuous phase of an interlocking set gypsum matrix and a method of preparing an acoustical panel are disclosed. ... | 04/29/2008 |
| 7318498 | Decorative interior sound absorbing panel A multi-layered fiber reinforced thermoplastic sound absorbing panel includes a porous fiber reinforced thermoplastic core layer having a first surface and a second surface, and includes a thermoplastic material and from about 20 weight percent to about 80 weight pe... | 01/15/2008 |
| 7316147 | Apparatuses for crimping and loading of intraluminal medical devices Crimping apparatuses for reducing the diameter of an intraluminal medical device from a first diameter to a second diameter prior to loading the medical device into a catheter delivery system and loading apparatuses for introducing the medical device into a catheter... | 01/08/2008 |
| 7244489 | Foamed article with absorbing characteristics on one side and non-absorbing characteristics on the other side and method for producing same There is provided a multi-layered foamed article. The foam article has a layer of foam material on either side of an inner peel layer disposed roughly in the middle of the foam. The portion of the foam in closest proximity to the peel layer is subjected to the great... | 07/17/2007 |
| 7201253 | Soundproofing assembly and a part comprising a wall which if covered with said assembly A soundproofing assembly intended, in particular, to soundproof a motor vehicle. The inventive assembly includes four stacked layers, consisting respectively of: a first layer having an air resistance of between 500 and 2,000 N·m−3.s; a second porous, acoustic sp... | 04/10/2007 |
| 7182172 | Sound insulation system A sound insulation system for use with a vehicle includes a layer of fibrous padding material having a first surface and an opposite second surface. The first surface includes multiple spaced apart recesses. The second surface includes a substantially flat surface p... | 02/27/2007 |
| RE39260 | Thermal and acoustical insulating shield A flexible, adhesively attachable, self-sealing, thermal and acoustical insulating shield has a needled, flexible, fibrous batt having an insulating layer of insulating fibers disposed between opposite binding layers of binding fibers. Binding fibers of each binding... | 09/05/2006 |
| 7080712 | Soundproof material for vehicle and method of manufacturing the material An insulator dash (20) installed on the interior side surface side of a dash panel (10), comprising a single sound absorbing layer (21) formed of a fiber assembly or a laminated assembly having light and soft skin layers (22,23,26,27,28) ... | 07/25/2006 |
| 7070848 | Vehicle acoustic barrier An acoustic barrier that achieves excellent noise insulating properties, and is relatively thin and relatively light in weight includes a flexible thermoplastic barrier layer having a plurality of apertures defining a latticed structure which includes apertures for ... | 07/04/2006 |
| 7063184 | Sound reducing panel An apparatus and method of making an improved sound reducing panel is disclosed suitable for use in an outdoor or a hazardous environment. The improved sound reducing panel comprises a water resistant sound absorbing member with a porous covering sheet overlaying a ... | 06/20/2006 |
| 7055649 | Multi-density sound attenuating laminates and methods of making same Sound attenuating laminates, and methods of making the same, are provided. Heat is applied to a surface of a non-woven, fibrous layer of material to form a stratum of melted fibers having a density greater than that of the remainder of the fibrous layer. The density... | 06/06/2006 |
| 7033963 | Acoustical panel coating and process of applying same A coating composition and process of applying the coating to a substrate are provided herein. The coating composition includes filler particles, binder and a liquid carrier, such as water. The filler particles have an average particle size in the range from about 10... | 04/25/2006 |
| 7021421 | Transparent noise-barrier wall An object of the present invention is to provide a transparent noise-barrier wall which is slow to foul, easy to clean even when fouled, and capable of maintaining these effects over a long period of time. The transparent noise-barrier wall has brookite titanium dio... | 04/04/2006 |
| 7017706 | Turbine noise absorber Exemplary methods, devices and/or system for reducing noise produced by a turbine, such as, a turbocharger turbine. An exemplary exhaust conduit employs material to absorb exhaust-borne noise and/or structure-borne noise. Another exemplary exhaust conduit employs fe... | 03/28/2006 |
| 6983821 | Acoustical panel having a honeycomb structure and method of making the same An acoustically absorbent porous panel with a layer constructed from a substantially continuous open-celled porous material comprising a cured foamed cementitious material including a first face and a second face. The first face has a surface with a substantially pl... | 01/10/2006 |
| 6977109 | Microperforated polymeric film for sound absorption and sound absorber using same Microperforated polymeric films and sound absorbers using such films are provided. The microperforated polymeric films may be relatively thin and flexible and may further include holes having a narrowest diameter less than the film thickness and a widest diameter gr... | 12/20/2005 |
| 6966594 | Vehicle trim panel and method of reducing BSR A vehicle trim panel including a structural frame portion having an inner surface for facing a vehicle body and an outer surface opposite the inner surface and a plurality of flexible projections extending from the inner surface of the structural frame portion and c... | 11/22/2005 |
| 6953105 | Damping foil consisting of several layers and a method for producing same A multi-layer damping foil having a perforated lower layer facing towards a part to be damped, with properties which are suitable for adhering the damping foil onto the part. A non-perforated upper layer, facing away from the part, does not have adherence properties... | 10/11/2005 |
| 6943286 | Electromagnetic wave absorber molding material, electromagnetic wave absorber molded element and method of manufacturing same, and electromagnetic wave absorber An electromagnetic wave absorber comprises an electromagnetic wave absorber molded element, plate-shaped sintered ferrite, and a metal plate. The molded element incorporates a tile-shaped base portion and a wedge-shaped apex portion disposed on the base portion. The... | 09/13/2005 |
| 6931144 | Automated rip tide detection system A system substitutes digitized camera images for human vision, in determining the presence or absence of rip tides among sea water wave patterns at a public swimming beach. Computer analysis of these images involves image pre-filtering that enhances the telltale sig... | 08/16/2005 |
| 6902653 | Apparatus and method for photocatalytic purification and disinfection of fluids An apparatus and method for the photocatalytic conversion of contaminants in a fluid stream. Fluid is directed through a semitransparent packed bed or an open cell, three dimensionally reticulated, fluid permeable, semiconductor unit. Within the unit, a semiconducto... | 06/07/2005 |
