F01N1/081 - CPC Classification Index

ClassID:

137751 ⎘

F01N1/081 - CPC Classification

Classification description:

Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling by passing the gases through a mass of particles

Recent Application in this class:

20120305330

2012-12-06

Muffler for internal combustion engine

20110308884

2011-12-22

Sound absorber having helical fixtures

20090263296

2009-10-22

CATALYST WITH BIOREACTOR FOR COMBUSTION ENGINES

20080223025

2008-09-18

Snap-action valve for exhaust system

20070144828

2007-06-28

Inlet metallic foam support coupled to precious metal catalyst for application on 4 stroke platforms

20060196685

2006-09-07

Pneumatic tool

20050217931

2005-10-06

Method and apparatus for venting exhaust gas from an engine