Featured patents

Tyre Cavity Noise Absorber
US 08839905 B2, Sept. 23, 2014, Mechanical vibration attenuator, Andrew McKinlay et al. / Bentley Motors Limited GB
A tyre cavity noise absorber comprising:…

Apparatus and Method for Attenuating Sound Generated by Machinery
US 08827032 B1, Sept. 9, 2014, Electical type devices, Tod M. Kean
A sound attenuating system for reducing sound emanating from an enclosure…

Ceiling Loudspeaker Support System
US 08672087 B2, March 18, 2014, Recessed, Weldon Gammon et al. / RGB Systems, Inc. (Anaheim, US)
A ceiling speaker support system comprising:…

Noise Dampening Energy Efficient Enclosure, Bulkhead and Boot Material
US 08657066 B2, Feb. 25, 2014, Multilayer panel or wall structure, Kent G. R. Thompson et al. / Tangitek, LLC (Portland, US)
A noise dampening enclosure material, comprising:…

Method for the Production of an Otoplastic Device
US 08636100 B2, Jan. 28, 2014, Ear insert, Beat Bleuer
An earmold made of plastic, wherein the earmold is a custom-fit earpiece and is…

Resonant-Type Muffler
US 08550210 B2, Oct. 8, 2013, And multi-passage, Takaharu Kondou / Honda Motor Co., Ltd. (Tokyo, JP)
A muffler comprising:…

Muffler With Dual Exhaust Gas Discharge Pipe for Vehicle
US 08528693 B1, Sept. 10, 2013, Multi-passage, Ki Chul Park / Hyundai Motor Company (Seoul, KR)
A muffler apparatus for a vehicle, comprising:…

Glazing Unit With Improved Vibroacoustic Damping Properties, Method for Making Such a Glazing Unit and Method for Acoustic Protection in a Vehicle Passenger Compartment
US 08540050 B2, Sept. 24, 2013, Damping of flexural structure, Sylvain Payot et al. / Saint-Gobain Glass France (Courbevoie, FR)
A glazing unit having improved vibroacoustic damping properties, comprising:…

Composite Sound Absorber
US 08534419 B2, Sept. 17, 2013, Materials, Marek Kierzkowski et al. / Zephyros, Inc. (Romeo, US)
A sound absorbing material comprising:…

Acoustic Damping Device for Use in Gas Turbine Engine
US 08469141 B2, June 25, 2013, Reaction engine type, Fei Han et al. / General Electric Company (Schenectady, US)
An acoustic damper comprising:…

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