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Class Information
Number: 181/282
Name: Acoustics > Sound-modifying means > Muffler, fluid conducting type > With baffle or baffle structure > Casings
Description: Subject matter comprising the jacket or housing structure of the fluid handling device wherein the jacket or housing structure is more than nominally recited.










Sub-classes under this class:

Class Number Class Name Patents
181/283 Air or liquid cooled 39


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8672090 Exhaust component with vibration isolated pipe Mar. 18, 2014
8640822 Exhaust muffler Feb. 4, 2014
8490745 Exhaust system component Jul. 23, 2013
8485314 Exhaust muffler Jul. 16, 2013
8474573 Reinforced composite sandwich panel Jul. 2, 2013
8307944 Muffler Nov. 13, 2012
8220587 Silencer cover for saddle-ride type vehicle Jul. 17, 2012
8201660 Valve for a motor vehicle exhaust silencer, and silencer comprising a valve of this type Jun. 19, 2012
8191677 Exhaust and cooling systems for implementation in reduced-size vehicle Jun. 5, 2012
8136352 Cover member for plural exhaust pipes Mar. 20, 2012
8047328 Plastic muffler and method for making same Nov. 1, 2011
8028795 Exhaust component cover Oct. 4, 2011
8025123 Muffler structure for vehicle Sep. 27, 2011
8016071 Multi-stage low pressure drop muffler Sep. 13, 2011
8011471 Exhaust chamber for the exhaust line of an automobile Sep. 6, 2011
7992677 Motor vehicle exhaust line silencer Aug. 9, 2011
7992676 Compact tuned acoustic attenuation device Aug. 9, 2011
7958966 Exhaust stack fairing Jun. 14, 2011
7946380 Motorcycle and muffler structure May. 24, 2011
7934580 Long fiber thermoplastic composite muffler system May. 3, 2011
7934583 Housings for flue gas units May. 3, 2011
7931120 Exhaust device and vehicle with exhaust device Apr. 26, 2011
7926615 Method of making an exhaust-noise attenuation muffler, and exhaust-noise attenuation muffler Apr. 19, 2011
7913811 Muffler and corresponding manufacturing process Mar. 29, 2011
7810609 Muffler Oct. 12, 2010
7793758 Triangular cross section exhaust muffler Sep. 14, 2010
7779963 Exhaust system for motorcycle Aug. 24, 2010
7775321 Muffler structure Aug. 17, 2010
7775323 Silencer with fin outlet Aug. 17, 2010
7712578 Muffler of vehicle and exhaust apparatus using the same May. 11, 2010
7690479 Silencer Apr. 6, 2010
7686131 Vehicle exhaust tip assembly Mar. 30, 2010
7621373 Acoustic drain Nov. 24, 2009
7591345 Angled muffler seam construction and method Sep. 22, 2009
7464787 Motorcycle exhaust assembly and method of using same Dec. 16, 2008
7445084 Soundproof thermal shield Nov. 4, 2008
7374016 Muffler device May. 20, 2008
7364013 Shell main body for muffler Apr. 29, 2008
7316292 Spun extrusion side entry muffler Jan. 8, 2008
7293628 Shell main body for muffler Nov. 13, 2007
7273129 Muffler with internal heat shield Sep. 25, 2007
7104359 Muffler having a baffle with angled plates Sep. 12, 2006
7086497 Induction system with low pass filter for turbo charger applications Aug. 8, 2006
6973959 Heat exchanger for cooling a motor vehicle exhaust gases Dec. 13, 2005
6938727 Integrated engine compartment component and air intake system Sep. 6, 2005
6892855 Embossed shell for spun mufflers May. 17, 2005
6892852 Exhaust housing part of a motor vehicle, particularly for an exhaust muffler or an exhaust gas catalyst May. 17, 2005
6879056 Converting sensed signals Apr. 12, 2005
6796403 Exhaust system baffling apparatus Sep. 28, 2004
6776257 Sound-attenuating muffler having reduced back pressure Aug. 17, 2004

1 2 3 4 5 6










 
 
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