Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7757811 | Multilayer articles having acoustical absorbance properties and methods of making and using the same Multilayer articles having acoustical absorbance properties are disclosed. Methods of making and using the multilayer articles are also disclosed. ... | 07/20/2010 |
| 7591346 | Sound absorptive multilayer composite A sound absorptive multilayer composite having an air-impermeable barrier, an air-permeable reinforcing core having an airflow resistance of at least about 100 mks Rayls and a thickness at least about ⅓ the final composite thickness, an air-permeable open cell foa... | 09/22/2009 |
| 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 |
| 7320739 | Sound absorptive multilayer composite A sound absorptive multilayer composite having an air-impermeable barrier, an air-permeable reinforcing core having an airflow resistance of at least about 100 mks Rayls and a thickness at least about ⅓ the final composite thickness, an air-permeable open cell foa... | 01/22/2008 |
| 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 |
| 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 |
| 7165368 | Insulation blanket with cut guidelines A blanket of fibrous building insulation is provided, for in situ cutting to correspond to spacings between studs or like building members between which the insulation is to be applied. The blanket includes a layer of fibrous insulation material and a facing materia... | 01/23/2007 |
| 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 |
| 7059089 | Flexible sheet materials for tensioned structures, a method of making such materials, and tensioned false ceilings comprising such materials A flexible sheet material of thickness less than half a millimeter for making tensioned structures such as false ceilings, in particular, the material including microprojections formed by displacing the material from which it is made, said material presenting an aco... | 06/13/2006 |
| 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 |
| 7000729 | Five-layer sound absorbing pad: improved acoustical absorber An acoustical absorber, having the structure: scrim/film/batt/film/scrim. Preferably, the batt is made from about 60% to about 90% by weight natural fiber and about 10% to about 40% synthetic fiber. Also, a method of making the acoustical absorber is provided. Addit... | 02/21/2006 |
| 6966402 | Acoustical heat shield A heat shield includes an inner portion, an outer portion, first and second insulating portions, and a deflecting portion. The inner portion includes a reflective material to reflect thermal energy that radiates from a heat/acoustic source. The outer portion include... | 11/22/2005 |
| 6945001 | Building using external facing material for construction A building using pieces of structural facing is capable of simplifying the operation of construction and exalting the feasibility of construction, applicable to all conceivable portions of a building, and capable of liberally cutting the cost incurred in the constru... | 09/20/2005 |
| 6929091 | Planar diaphragm loudspeaker and related methods A planar diaphragm loudspeaker for use in a suspended ceiling grid and related methods of manufacturing are provided. The loudspeaker includes a rectangular, planar diaphragm of polymer material sized to fill an opening of the ceiling grid. The front surface of the ... | 08/16/2005 |
| 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 |
| 6840349 | Multi-component acoustically resistive layer for acoustical attenuation panel and panel thus obtained A multi-component acoustically resistive layer, for acoustical attenuating panels having a cellular core (1) flanked, on the sound wave arrival side, with an acoustically damping layer (2) and, on the opposite side, with a rear reflector (3), co... | 01/11/2005 |
| 6789645 | Sound-insulating sandwich element A multilayered, sound-insulating, mechanically strong sandwich element comprising two facing layers (1) substantially attached to a plastic foam core consisting of at least two layers (2) which are joined through contact points (also called bridges) ( | 09/14/2004 |
| 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) which is provided with a reinforcing layer (3, 4) on each... | 03/30/2004 |
| 6698543 | Acoustical wall panels An acoustical wall panel for use for reduction of sound and noise, including a panel-like structure, formed of a base, generally fabricated of fiberglass, polystyrene, etc., having a covering sheet applied thereon, containing a large number of perforation... | 03/02/2004 |
| 6681890 | Sound barrier layer for insulated heat shield An improved heat shield provides thermal insulation and reduced noise transmission of vehicular engine components, including exhaust manifolds. The structure has three layers; an outer structural metal layer, a center insulation layer to isolate heat and ... | 01/27/2004 |
| 6659223 | Sound attenuating material for use within vehicles and methods of making same Sound attenuating composite articles and methods of making same are provided. Sound attenuating composite article include first, second and/or third and/or fourth layers of material. The first layer of material may be either an acoustic fiber batting and/... | 12/09/2003 |
| 6615950 | Sandwich acoustic panel An acoustic panel with several degrees of freedom comprises a resistive layer (14), a compartmentalized structure (16) formed from at least two superposed compartmentalized layers (18) and a back reflector (17), starting from an outside face facing an inc... | 09/09/2003 |
| 6607625 | Process for the production of an acoustively resistive layer, resistive layer thus obtained, and wall using such layer A process for producing an acoustically resistive layer, particularly for the nacelles of aircraft jet engines. The process includes producing a structural component by using thermoplastic resins, this component having a given quantity of open surface rel... | 08/19/2003 |
| 6604603 | Soundproofing for insulating sound producing devices or parts of systems, especially devices that transmit vibrations such as vibrators A soundproofing system is used to insulate sound producing devices or parts of systems, especially vibrating conveyers. Such a system includes insulating elements that are provided with an inner face in the direction of the sound source and an outer face ... | 08/12/2003 |
| 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 layer (3) consists of a plurality of hollow bodies (4) arranged ne... | 05/27/2003 |
| 6536556 | Noise reduction sandwich panel, notably for aircraft turbojet engine Noise reduction sandwich panel, notably for an aircraft turbojet engine. In order to produce a noise reduction sandwich panel having a structure with two degrees of freedom, inserted separative components (20) are placed into the hexagonal cells (16) of the un... | 03/25/2003 |
| 6446751 | Apparatus and method for reducing noise levels A flexible sound shielding curtain contains a plurality of sound insulating sheet inserts encased within pockets or otherwise secured on the exterior surfaces of the panels of a curtain. The sound insulating sheet inserts may be constructed of a combinati... | 09/10/2002 |
| 6412597 | Plate suitable as a noise protection wall A plate utilizable in a noise protection wall of fragile acrylic glass comprising a plurality of side by side synthetic monofilament plastic threads for embedded in and running along the plate for splinter binding on breakage of the glass wherein, at leas... | 07/02/2002 |
| 6382350 | Molded acoustic and decorative mats and methods for forming the same A multi-layer acoustically absorptive mat includes a base layer having an exposure hole defined therein. A face layer is disposed adjacent the base layer. An acoustic absorbing layer is interposed between the base layer and the face layer. The acoustic ab... | 05/07/2002 |
| 6158176 | Core for a sound absorbing panel A core for the production of a rectangular acoustic panel includes a mat of rockwool bounded by flat front and rear surfaces, and having a density between 5 and 9 pounds per cubic foot, a thickness between 0.75 and 2.0 inches, and a binder content between... | 12/12/2000 |
| 6077613 | Sound insulating membrane A sound insulating membrane and processes for forming, particularly well suited for use in floor, ceiling and wall constructions. The membrane comprises at least one backing layer in contact with a layer of nonfoam polymeric material. The polymeric materi... | 06/20/2000 |
| 5975453 | Sound-absorbing material and a cable reel including the same A sound-absorbing material and a cable reel including the same is produced inexpensively and attenuates sliding noise and vibration noise. A sound-absorbing material 20 has a dual layer structure comprising an upper rubber sheet 20b and a lower rubber she... | 11/02/1999 |
| 5824973 | Method of making sound absorbing laminates and laminates having maximized sound absorbing characteristics A sound absorption laminate comprises a porous insulation substrate, such as, a glass, polymeric or natural fiber blanket or a foamed polymeric resin sheet and a facing sheet with a high air flow resistance. The facing sheet is superimposed upon a surface... | 10/20/1998 |
| 5776579 | Structural bonding with encapsulated foaming adhesive An improved panel structure wherein at least one face of the panel is perforated with small holes and where it is desirable to minimize the number of holes that get filled in with adhesive. For example, an improved noise reducing acoustic panel (30) (FIG.... | 07/07/1998 |
| 5681072 | Sound absorber for motor vehicles A sound absorber for motor vehicles is constructed in the form of a double-wall, flat resonant body (1) with a perforated front wall (3) facing the noise source and a substantially unperforated rear wall (4). The sound absorber is constructed as a combine... | 10/28/1997 |
| 5667867 | Composite sheet comprising a cellular core and at least one outer layer Process for the production of a composite sheet (90) comprising a cellular core (41) and at least one outer layer (42) by bonding the outer layer (42) to the cellular core (41), for example with the aid of an adhesive film (84) under pressure and at eleva... | 09/16/1997 |
| 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 between 0.030 inch (0.076 cm) and 0.125 inch (0.318 cm). T... | 09/09/1997 |
| 5644872 | Sound absorbing panel A self-supporting sound-absorbing panel intended to be attached to indoor walls and ceilings of buildings includes a core assembly made from a mat of rockwool having four straight perimeter edges disposed in a rectangular array, and sheets of non-woven in... | 07/08/1997 |
| 5633067 | Engine compartment casing element with perforated foam layer An engine compartment casing element (1), in particular for sound absorption, with a foamed material element (2) attached to a wall element (3) which is preferably reverberant, the foamed material element (2) having a skin-like covering (5) on the side fa... | 05/27/1997 |
| 5584950 | Sound insulating membrane A sound insulating membrane and processes for forming, particularly well suited for use in floor, ceiling and wall constructions. The membrane comprises at least one backing layer in contact with a layer of polymeric material. The polymeric material has a... | 12/17/1996 |
