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Class Information
Number: 181/209
Name: Acoustics > Sound-modifying means > Mechanical vibration attenuator > Relatively moving parts
Description: Subject matter wherein the device has at least two parts moving with respect to one another.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8590667 Crankcase of internal combustion engine Nov. 26, 2013
8406438 Device and method for the excitation and/or damping and/or detection or structural oscillations of a plate-shaped device using a piezoelectric strip device Mar. 26, 2013
8297403 Panel mounting structure with sound reduction member Oct. 30, 2012
8240430 Noise and vibration mitigating mat Aug. 14, 2012
8040021 Device for the active damping of the vibrations experienced by a fragile part of moving equipment, with autonomous power supply Oct. 18, 2011
7980356 Cladding part for component Jul. 19, 2011
7921961 Chromate-free resin-composite vibration deadening material Apr. 12, 2011
7896126 Methods and apparatus for sound suppression Mar. 1, 2011
7837008 Passive acoustic barrier Nov. 23, 2010
7753166 Resonant frequency adjustor and method of utilizing the same Jul. 13, 2010
7743882 Vibration-control platform Jun. 29, 2010
7650963 Acoustic isolator for well logging system Jan. 26, 2010
7635402 Air filter status evaluator Dec. 22, 2009
7565950 Sound suppression material and method Jul. 28, 2009
7553533 High-damping absorbing coating Jun. 30, 2009
7458440 Vehicle exhaust system support structure Dec. 2, 2008
7424930 Vibratory energy dissipation and isolation with magnetically biased rolling members Sep. 16, 2008
7355776 Acoustic damping material for electro-optic materials Apr. 8, 2008
7325652 Bumper/muffler assembly Feb. 5, 2008
7296654 Tunable stacked plate vibration isolator Nov. 20, 2007
7273128 Vibration proofing heat shield plate Sep. 25, 2007
7249653 Acoustic attenuation materials Jul. 31, 2007
7240766 Sound dampening pad Jul. 10, 2007
7117972 Vibration isolation mount for garage door opener Oct. 10, 2006
7073624 Loudspeaker baffle isolation system Jul. 11, 2006
7032708 Flush mountable vibration reducing loudspeaker mounting assembly Apr. 25, 2006
6985593 Baffle vibration reducing Jan. 10, 2006
6849053 Shock wave source with a wave damping coil carrier Feb. 1, 2005
6845842 Vibration-proofing structure for hollow pipe for vehicle Jan. 25, 2005
6837859 Shock wave source with a coil carrier having a non-circular contour Jan. 4, 2005
6824591 Air filter for an internal combustion engine Nov. 30, 2004
6749397 Fluidal machine Jun. 15, 2004
6705427 Exhaust system support structure Mar. 16, 2004
6578662 Telescopic buffer device Jun. 17, 2003
6561312 Device for in particular acoustically uncoupled mounting May. 13, 2003
6478110 Vibration excited sound absorber Nov. 12, 2002
6345686 Drive assembly Feb. 12, 2002
6332509 Noise reducer for construction equipment Dec. 25, 2001
6319134 Aluminum drive shaft Nov. 20, 2001
6283437 Foot device Sep. 4, 2001
6173805 Variably tuned vibration absorber Jan. 16, 2001
6173806 Muffling wall Jan. 16, 2001
6129177 Pivoting tuned vibration absorber and system utilizing same Oct. 10, 2000
6129176 Sound attenuating motor end shield Oct. 10, 2000
5734133 Muffler for structure-borne noise of running wheels Mar. 31, 1998
5410927 Low noise punch tool May. 2, 1995
5210382 Belleville washer spring type pulsation damper, noise attenuator and accumulator May. 11, 1993
5193644 Pipeline vibration damper Mar. 16, 1993
5033579 Sound-and/or vibration-damping coating, element provided with said coating and process for applying the latter Jul. 23, 1991
4867284 Rotary disc for disc brake assembly Sep. 19, 1989

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