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Class Information
Number: 181/207
Name: Acoustics > Sound-modifying means > Mechanical vibration attenuator
Description: Subject matter comprising sound deadening material physically or mechanically attached or installed on the acoustical device, or an element thereof to prevent vibratory noise usual to the operation of the device.










Sub-classes under this class:

Class Number Class Name Patents
181/208 Damping of flexural structure 161
181/209 Relatively moving parts 61


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8701624 Vibration damped article Apr. 22, 2014
8662247 Bracket assembly for an audio loudspeaker system Mar. 4, 2014
8631898 Method for attaching protective structure to feed beam, and protective structure in rock drilling rig Jan. 21, 2014
8631900 Sound insulation floor structure and sound insulation floor component as well as method for reducing floor impact sound Jan. 21, 2014
8627922 Laminated acoustic soundproofing panel Jan. 14, 2014
8625258 Mounting apparatus for expansion card Jan. 7, 2014
8616330 Actively tunable lightweight acoustic barrier materials Dec. 31, 2013
8616860 System and method for reducing compressor noise Dec. 31, 2013
8596411 Speaker cabinet for electronic device Dec. 3, 2013
8590667 Crankcase of internal combustion engine Nov. 26, 2013
8584792 Door module having an acoustic uncoupling means Nov. 19, 2013
8579073 Acoustic energy absorption metamaterials Nov. 12, 2013
8544597 Tuned damper member Oct. 1, 2013
8534417 Apparatus and method for providing protective gear employing shock penetration resistant material Sep. 17, 2013
8507067 Temperature oscillation decoupling element Aug. 13, 2013
8505677 Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device Aug. 13, 2013
8479876 Sound damping patch Jul. 9, 2013
8474572 Apparatus and method to attenuate vibration and acoustic noise Jul. 2, 2013
8469144 Inflatable sound attenuation system Jun. 25, 2013
8448743 Tire noise reduction device and pneumatic tire provided therewith May. 28, 2013
8439154 Air-film vibration damping apparatus for windows May. 14, 2013
8425710 Automated placement of vibration damping materials Apr. 23, 2013
8365782 Tire noise reduction device and pneumatic tire Feb. 5, 2013
8342289 Noise reducing device, manufacturing method for the noise reducing device, and pneumatic tire having the noise reducing device Jan. 1, 2013
8297403 Panel mounting structure with sound reduction member Oct. 30, 2012
8292024 Retainer device for a reducing agent metering valve Oct. 23, 2012
8240430 Noise and vibration mitigating mat Aug. 14, 2012
8177171 Piping installation structure for vehicle May. 15, 2012
8172036 Apparatus and method for providing acoustic metamaterial May. 8, 2012
8170225 Method for adapting a vibration isolation system May. 1, 2012
8151929 Acoustic waveguide vibration damping Apr. 10, 2012
8151930 Pneumatic tire with noise damper Apr. 10, 2012
8122732 Refrigerator with noise reduction structure using inverse phase sound wave Feb. 28, 2012
8109362 Passive noise attenuation system Feb. 7, 2012
8109361 Solid-borne sound reducing structure Feb. 7, 2012
8082707 Air-film vibration damping apparatus for windows Dec. 27, 2011
8051947 Energy absorbing thermoplastic elastomer Nov. 8, 2011
8043452 Multifunctional electromagnetic shielding Oct. 25, 2011
8040021 Device for the active damping of the vibrations experienced by a fragile part of moving equipment, with autonomous power supply Oct. 18, 2011
8011472 Sound absorbing structure and vehicle component having sound absorbing property Sep. 6, 2011
8002078 Acoustic waveguide vibration damping Aug. 23, 2011
7997384 Multilayer board for reducing solid-borne sound Aug. 16, 2011
7992678 Inflatable sound attenuation system Aug. 9, 2011
7980356 Cladding part for component Jul. 19, 2011
7931117 Glazing unit with improved vibro-acoustic damping properties, method for making such glazing unit and method for acoustic protection in a vehicle passenger compartment Apr. 26, 2011
7921961 Chromate-free resin-composite vibration deadening material Apr. 12, 2011
7909133 Glazing unit having an improved vibroacoustic damping property, process for manufacturing such a glazing unit and process for acoustic protection in a vehicle passenger compartment Mar. 22, 2011
7857255 Helicopter with an improved vibration control device Dec. 28, 2010
7854295 Active noise control system Dec. 21, 2010
7848908 Method for optimizing acoustic comfort in a mobile vehicle passenger compartment Dec. 7, 2010

1 2 3 4 5 6










 
 
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