Featured patents

Three-Dimensional Air-Adsorbing Structure
US 08794373 B1, Aug. 5, 2014, With sound-absorbing means, Lifun Lin / Bose Corporation (Framingham, US)
A three-dimensional air-adsorbing structure that has a volume, comprising:…

Method for Making Acoustical Panels With a Three-Dimensional Surface
US 08857565 B2, Oct. 14, 2014, Multilayer panel or wall structure, Jacque S. Harrison et al.
A method for making an acoustical panel with a three-dimensional surface…

Coated Speaker Dome and Coated Diamond Products
US 08863890 B2, Oct. 21, 2014, Metallic material, John Robert Brandon et al. / Element Six Limited IM
A speaker dome comprising:…

Sound Insulating Element and Process for Producing a Sound Insulating Element
US 08763754 B2, July 1, 2014, Materials, Herbert Pieper et al. / Rockwool International A/S DK
A process for producing a sound insulating element for the ceiling area…

Wedge-Shaped Acoustic Diffuser and Method of Installation
US 08607925 B2, Dec. 17, 2013, With channels or cavities in surface layer, Hendrik David Gideonse
An acoustic diffuser comprising;…

Firearm Sound Suppressor With Blast Deflector
US 08584794 B2, Nov. 19, 2013, Silencer for firearms, Barry W. Dueck / SureFire, LLC (Fountain Valley, US)
A firearm sound suppressor comprising:…

Acoustic Sources
US 08511421 B1, Aug. 20, 2013, Seismic wave generation, Hitoshi Sugiyama et al. / Schlumberger Technology Corporation (Sugar Land, US)
An apparatus, comprising:…

Fitting System for a Hydraulic Tuning Cable
US 08496087 B2, July 30, 2013, Liquid motion silencer, Christopher W. McKenzie et al. / Eaton Corporation (Cleveland, US)
An improved apparatus for the reduction of fluid borne noise in a hydraulic…

Sound Attenuation Systems and Methods
US 08459407 B2, June 11, 2013, Sound absorbing ventilating duct or curb, Ranjit Kumar Jangili / General Electric Company (Schenectady, US)
A system, comprising:…

Exhaust Pipe Part and Exhaust Apparatus for Internal Combustion Engine
US 08453791 B2, June 4, 2013, Pipe-muffler, Kazutoshi Wakatsuki et al. / Toyota Jidosha Kabushiki Kaisha (Toyota, JP)
An exhaust pipe part to be attached to an exhaust pipe and constituting part…

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