Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8162104 | Device for reducing noise pollution and equipment including such device A device for reducing noise pollution includes an acoustic panel (1) and at least one member (3) for elastically holding the panel (1). This holding member (3) includes: first and second mounting element... | 04/24/2012 |
| 8104573 | Heat shield and an insulating isolator for the heat shield An insulating isolator for a heat shield has a unitary first land, a bead portion, a second land and a half bead. The first land defines a fastener aperture. In one case, a plurality of circumferentially spaced apart petals is formed in the isolator. The petals may ... | 01/31/2012 |
| 7992678 | Inflatable sound attenuation system An inflatable, noise attenuating panel or barrier, comprised of an inflatable air chamber coated with (wrapped in or attached thereto) an acoustic barrier material, with which to construct a variety of structures that benefit from a degree of soundproofing. ... | 08/09/2011 |
| 7837008 | Passive acoustic barrier A capsule contains fluid and a solid inertial mass that is free to move within the capsule. The capsule is embedded in a foam panel. A plurality of such foam panels are attached to the internal wall of a launch vehicle fairing. This device augments acoustic energy d... | 11/23/2010 |
| 7823693 | Vehicle interior 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 rigid panel with an opening. The panel has an edge rib surrounding the opening, and a wall spaced apart f... | 11/02/2010 |
| 7779964 | Acoustic elements and their production Acoustic element (1) has a flat, sound-receiving, front face (2) which extends in the XY plane and has a good sound-absorption coefficient, and the element is formed of a bonded batt of air laid mineral fibres having a density of 70 to 200 kg/m3 | 08/24/2010 |
| 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 |
| 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 |
| 7338106 | Sound damping and sealing system for tail gate A sound damping system for a swinging tail gate of a dump truck is described. The system comprises a two-part seal formed by a compressible sound damping material and a rigid compressing projection. One part of the two-part seal is secured along opposed vertical edg... | 03/04/2008 |
| 7329456 | Method of fabrication of an acoustical substrate into a three dimensional product A method of forming a box-like acoustical substrate is provided. Portions of an acoustical substrate having a decorative surface are compressed to form a flange, a first compressed region, a second compressed region, and a third compressed region. First, second, cen... | 02/12/2008 |
| 7325656 | Elevator installation with device for noise reduction An elevator installation includes an elevator car that moves in an elevator shaft with shaft doors and which car has at least one car apron arranged parallel to a plane of a shaft wall at a shaft door side. A device for reducing noises generated by the air flow aris... | 02/05/2008 |
| 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 allows to easily tune the acoustic properties by ... | 01/29/2008 |
| 7322441 | Extended bandwidth folded well diffusor An extended bandwidth folded well diffusor extends the diffusion bandwidth of a shallow, asymmetric diffusor by incorporating maximum-depth, folded L-shaped, half-width wells on both ends (sides) of a diffusor, thus providing increased maximum well depth without inc... | 01/29/2008 |
| 7318499 | Noise suppression structure and method of making the same An integrated noise suppression acoustic panel includes a back plate, a face plate, and a bulk foam absorber disposed between the back plate and the face plate. The bulk foam absorber is formed of a thermoset material, such as bismaleimide or phenolic, and is manufa... | 01/15/2008 |
| 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 |
| 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 defining an exterior surface, an interior surface, a first open end ... | 01/01/2008 |
| 7314114 | Flat panel diffuser A device including a membrane having first and second faces; a first substrate disposed on the first face of the membrane and having (i) a plurality of first absorptive regions and (ii) a plurality of first reflective regions formed as wells in a face of the first s... | 01/01/2008 |
| 7279214 | Floor covering having a strong noise-reducing properties A floor covering characterized as having a strong noise-reducing properties for the interior trim of means of transport. The floor covering has, on the passenger side, a textile or non-textile surface, acoustically coupled through at least one microperforated sheet ... | 10/09/2007 |
| 7263028 | Composite acoustic attenuation materials The present invention provides means of enhancing the acoustic attenuation and vibration damping of a material by (1) embedding a plurality of small particles of either a high characteristic acoustic impedance or a low characteristic acoustic impedance or combinatio... | 08/28/2007 |
| 7258179 | Rotary bit with an indenting member In one aspect of the invention a drill bit assembly has a body portion intermediate a shank portion and a working portion. The working portion has a recess with a side wall which is substantially coaxial with the shank portion. At least one cutting element is attach... | 08/21/2007 |
| 7258347 | Discrete active seal assemblies Active seal assemblies employing active materials that can be controlled and remotely changed to alter the seal effectiveness, wherein the active seal assemblies actively change modulus properties such as stiffness, shape orientation, and the like. In this manner, i... | 08/21/2007 |
| 7249653 | Acoustic attenuation materials Acoustic attenuation materials are described that comprise outer layers of a stiff material sandwiching a relatively soft elastic material therebetween, with means such as spheres, discs or wire mesh being provided within the elastic material for generating local me... | 07/31/2007 |
| 7226656 | Thermoformable acoustic sheet A thermoformable acoustic sheet formed by a compressed fibrous web including high melt and adhesive thermoplastic fibres in which the adhesive fibres are at least partially melted so that in the compressed web the adhesive fibres at least partially coat the high mel... | 06/05/2007 |
| 7205043 | Pressure resistant anechoic coating for undersea platforms A composite material containing inclusions of spherical shells in which each spherical shell encapsulates a rubber core with ferrite loading. The inclusions are embedded in a matrix material of syntactic foam. The spherical shells are made from glass and therefore a... | 04/17/2007 |
| 7178630 | Acoustic device for wall mounting for diffusion and absorption of sound A wall-mountable acoustic device for absorption of sound in an indoor area is constructed of self-supporting interbonded rockwool mat material. The primary component made of the mat material is shaped in semi-cylindrical configuration. End panels of rockwool mat of ... | 02/20/2007 |
| 7134523 | System for integrating mid-range and high-frequency acoustic sources in multi-way loudspeakers This invention provides a radiation boundary integrator (“RBI”) for integrating sound radiation from mid-range and high-frequency sources in multi-way loudspeakers. The RBI is a substantially solid boundary that is placed over the mid-range speakers to provide s... | 11/14/2006 |
| 7124856 | Acoustic liner for gas turbine engine A passive acoustic liner system (50) for attenuating a sound field comprising, in acoustic series, a mode-scattering segment (48) and a sound-absorbing segment (40), wherein the mode scattering segment (48) provides a reactance between ... | 10/24/2006 |
| 7111434 | Method for producing a panel substantially stretched on a frame and resulting panel The invention concerns a method for producing a panel substantially stretched on a frame stretched homogeneously in all directions. The panel (1) is obtained from a sheet cut out in web of soft textile material produced from knitted synthetic textile yams for... | 09/26/2006 |
| 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 |
| 7045145 | Transdermal contraceptive delivery system and process A transdermal contraceptive delivery system (TCDS) for fertility control in women is described. It comprises a backing layer, an adjoining layer of a solid absorption adhesive polymer matrix in which effective daily doses of an estrogen and a progestin are dispersed... | 05/16/2006 |
| 7034068 | Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production and use thereof Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides contain, based on 100 parts of water, (A) from 5 to 80 parts by weight of water-soluble polymer containing N-vinylformamide units and/or N-vinylacetamide units and having particle size... | 04/25/2006 |
| 7017313 | Ceiling leak capture and drainage system A fluid leak capture and drainage system for ceiling leaks which includes a ceiling panel support grid and a plurality of ceiling panels mounted thereon is disclosed. The ceiling panel has at least one raised section located within the panel and a wall extending alo... | 03/28/2006 |
| 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 |
| 6951680 | Printed weldable flexible polymer material for producing stretched structures such as false ceilings Prefabricated bondable flexible polymer material in thin sheet, slab, or panel form for making tensioned structures such as false ceilings in particular, said mono- or multilayer material such as plasticized PVC, for example, carrying a direct ink jet or silkscreen ... | 10/04/2005 |
| 6920723 | Impact sound insulation A substrate for use in a flooring system which has a subfloor and a decorative upper layer. The substrate is made in a continuous sheet which has a bottom surface, a top surface, side surfaces and end surfaces. The top surface and the oppositely facing bottom surfac... | 07/26/2005 |
| 6900145 | Trim panel insulator for a vehicle A trim panel insulator is provided for a vehicle. The insulator includes a nonlaminate acoustical and thermal insulating layer of polymer fiber. The insulator may include a relatively high density, nonlaminate skin of polymer fiber and/or one or more facing layers c... | 05/31/2005 |
| 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 with a closure. Each of the pipes also has a side opening in its one si... | 05/17/2005 |
| 6878432 | Panel A panel structure for a transport machine is disclosed which is constituted by an integral combination of an outer panel and an inner panel. The inner panel has reinforcing protuberances and recesses, possessing a higher rigidity than the outer panel. The protuberan... | 04/12/2005 |
| 6871725 | Honeycomb core acoustic unit with metallurgically secured deformable septum, and method of manufacture A honeycomb acoustic unit is provided, the unit comprising first and second honeycomb layers, the layers being made of honeycomb core, each being formed by metallurgical bonds, and a deformable septum having two opposing sides, the first and second honeycomb layers ... | 03/29/2005 |
| 6868940 | Sound absorbing panel A sound absorbing panel comprising a standoff layer disposed between a back plate and a screen. The standoff layer supports the screen at a standoff distance from the back plate. The standoff distance is substantially equal to ¼ the wavelength of a sound to be abso... | 03/22/2005 |
