Featured patents

Speaker
US 08820471 B2, Sept. 2, 2014, Sound-Modifying Means, Koji Okazaki et al. / Yamaha Corporation (Hamamatsu-shi, JP)
A speaker, comprising:…

Sound Absorber for a Gas Turbine Exhaust Cone, and Method for the Production Thereof
US 08783412 B2, July 22, 2014, Reaction engine type, Predrag Todorovic / Rolls-Royce Deutschland Ltd & Co KG DE
A method for manufacturing a sound absorber,…

Fitting System for a Hydraulic Tuning Tube
US 08752666 B2, June 17, 2014, Liquid motion silencer, Christopher Michael Bunde et al. / Eaton Corporation (Cleveland, US)
An apparatus for the reduction of fluid borne noise in a hydraulic system…

Muffler
US 08770342 B2, July 8, 2014, Casings, Georg Wirth / Eberspächer Exhaust Technology GmbH & Co. KG (Neunkirchen, DE)
A muffler for an exhaust system of an internal combustion engine, the muffler…

Gypsum-Panel Acoustical Monolithic Ceiling
US 08684134 B2, April 1, 2014, Multilayer panel or wall structure, William A. Frank et al. / USG Interiors, LLC (Chicago, US)
An acoustical panel comprising a drywall sheet of a thickness of at least ½ inch…

Abating Low-Frequency Noise Using Encapsulated Gas Bubbles
US 08689935 B2, April 8, 2014, Underwater discharge, Kevin M. Lee et al. / Board of Regents of the University of Texas System (Austin, US)
An apparatus that reduces the decibel level of underwater sounds emanating…

Composite Flame Barrier Laminate for a Thermal and Acoustic Insulation Blanket
US 08607927 B2, Dec. 17, 2013, Materials, Dariusz Wlodzimierz Kawka et al. / E I du Pont de Nemours and Company (Wilmington, US)
A multilayer laminate for use as a flame barrier comprising…

Sound Attenuating Device Using an Embedded Layer for Acoustical Tuning
US 08590669 B2, Nov. 26, 2013, Multilayer panel or wall structure, Michael Sargent et al. / Janesville Acoustics (Milan, US)
A layered acoustical system for sound attenuation in a vehicle comprising:…

Panel for the Acoustic Treatment With a Progressive Thickness
US 08505679 B2, Aug. 13, 2013, Upstream, Alain Porte et al. / Airbus Operations SAS (Toulouse, FR)
An aircraft nacelle comprising:…

Working Machine
US 08443932 B2, May 21, 2013, With exhaust pipe, Junya Kawamoto et al. / Hitachi Construction Machinery Co., Ltd. (Tokyo, JP)
A working machine provided with a revolving upperstructure, working equipment…

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