Featured patents

Exhaust Muffler Provided With Tail Pipe
US 08833513 B2, Sept. 16, 2014, With exhaust pipe, Noboru Matsumoto / Matsushou Co., Ltd. (Yashio-shi, Saitama, JP)
An exhaust muffler including a tail pipe comprising:…

Loudspeaker
US 08807268 B2, Aug. 19, 2014, Reflex baffle, Mark Alexander Dodd / GP Acoustics International Limited (Kwai Chung, HK)
A reflex port loudspeaker, comprising an enclosure, a driver located…

Acoustic Structure With Increased Bandwidth Suppression
US 08857566 B2, Oct. 14, 2014, With perforated or porous face and honeycomb-like core, Earl Ayle / Hexcel Corporation (Dublin, US)
An acoustic structure for reducing noise generated from a source, said acoustic…

Automotive Noise Attenuating Trim Part
US 08863897 B2, Oct. 21, 2014, Multilayer panel or wall structure, Marco Seppi, Sr. et al. / Autoneum Management AG (Winterthur, CH)
A sound attenuating trim part, comprising:…

Sound-Damping Housing for a Pump and for a Drive Motor for Said Pump
US 08727068 B2, May 20, 2014, Machine type enclosure, Johannes Bruin / B.B.A. Participaties B.V. (Klarenbeek, NL)
A sound-damping housing for a pump and a drive motor for said pump, comprising…

Exhaust System
US 08708094 B2, April 29, 2014, By wave interference, Felix Neumann et al. / Eberspächer Exhaust Technology GmbH & Co. KG (Neunkirchen, DE)
An exhaust system for an internal combustion engine of a motor vehicle,…

Exhaust Component With Vibration Isolated Pipe
US 08672090 B1, March 18, 2014, With exhaust pipe, Kwin Abram / Favrecia Emissions Control Technologies (Columbus, US)
A vehicle exhaust system comprising:…

Sound and Vibration Transmission Pad and System
US 08668045 B2, March 11, 2014, Recessed, Daniel E. Cohen
A pad comprising:…

Exhaust Apparatus of Internal Combustion Engine
US 08561758 B2, Oct. 22, 2013, With expansion chamber, Kazutoshi Wakatsuki et al. / Toyota Jidosha Kabushiki Kaisha (Toyota, JP)
An exhaust apparatus of an internal combustion engine, comprising:…

Expandable Chamber Acoustic Silencer
US 08479879 B2, July 9, 2013, With adjustable or flexible wall, Muhammad A. Hawwa / King Fahd University of Petroleum and Minerals (Dhahran, SA)
An expandable chamber acoustic silencer, comprising:…

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