F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines

More topics under "F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines" (113,486)
F01N 1 - Silencing apparatus characterised by method of silencing (8,998)
F01N 11 - Monitoring or diagnostic devices for exhaust-gas treatment apparatus (7,022)
F01N 13 - Exhaust or silencing apparatus characterised by constructional features (23,537)
F01N 3 - Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust (61,059)
F01N 5 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy (4,533)
F01N 9 - Electrical control of exhaust gas treating apparatus (7,942)
F01N 99 - Subject matter not provided for in other groups of this subclass (395)

Patents for F01N - Gas-flow silencers or exhaust apparatus for machines or engines in general; Gas-flow silencers or exhaust apparatus for internal-combustion engines (73)
03/2012
03/21/2012	CN1809409B Cordierite filters with reduced pressure drop
07/2011
07/27/2011	EP1952007B1 Method and arrangement for treating the inlet air and exhaust gases of an internal combustion engine
06/2011
06/16/2011	US20110138786 Exhaust-Cleaning Device For Internal Combustion Engines Besides a Vehicle Comprising Such an Exhaust-Cleaning Device and an Extension for Exhaust-Cleaning Devices
02/2011
02/01/2011	US7877983 Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine
03/2010
03/31/2010	EP1781908B1 Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine
12/2009
12/09/2009	EP1290420B1 System and method for providing engine diagnostic and prognostic information
05/2009
05/13/2009	EP1639236A4 Cordierite filters with reduced pressure drop
03/2009
03/11/2009	EP1957181B1 Method and arrangement for cleaning the exhaust gases of an internal combustion engine
02/2009
02/24/2009	US7494613 Method of manufacturing a cordierite structure
01/2009
01/28/2009	CN100455776C Spark catcher for a muffler
08/2008
08/20/2008	EP1957181A1 Method and arrangement for cleaning the exhaust gases of an internal combustion engine
08/06/2008	EP1952007A1 Method and arrangement for treating the inlet air and exhaust gases of an internal combustion engine
07/2008
07/22/2008	CA2479448C A flexible tube for an exhaust pipe of an automobile
05/2008
05/20/2008	US7373775 Method for metering ammonia into the exhaust-gas region of an internal combustion engine and device for implementing the method
04/2008
04/24/2008	US20080092526 Arrangement For Supplying A Medium Into An Exhaust Gas Conduit In An Internal Combustion Engine
12/2007
12/18/2007	US7309371 Narrow pore size distribution cordierite filters with reduced pressure drop
09/2007
09/27/2007	US20070221441 Spark Catcher for a Muffler
06/2007
06/20/2007	CN1985079A Spark catcher for a muffler
05/2007
05/18/2007	WO2007054615A1 Method and arrangement for cleaning the exhaust gases of an internal combustion engine
05/17/2007	US20070107398 Method of manufacturing a cordierite structure
05/17/2007	US20070107397 Narrow pore size distribution cordierite filters with reduced pressure drop
05/09/2007	EP1781908A1 Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine
04/2007
04/26/2007	WO2007045721A1 Method and arrangement for treating the inlet air and exhaust gases of an internal combustion engine
04/12/2007	DE102004041348B4 Flexibles Rohr für ein Abgasrohr eines Kraftfahrzeugs A flexible pipe for an exhaust pipe of a motor vehicle
02/2007
02/20/2007	US7179316 Cordierite filters with reduced pressure drop
01/2007
01/31/2007	EP1747355A1 An exhaust-cleaning device for internal combustion engines besides a vehicle comprising such an exhaust-cleaning device and an extension for exhaust-cleaning devices
01/10/2007	EP1740802A1 Spark catcher for a muffler
07/2006
07/26/2006	CN1809409A Cordierite filters with reduced pressure drop
03/2006
03/29/2006	EP1639236A2 Cordierite filters with reduced pressure drop
02/2006
02/16/2006	DE102004041348A1 Flexible tube for exhaust pipe of automobile, includes resilient member arranged around and engaging outer surface of braided member arranged and fixed at both ends of cylindrical bellows
02/09/2006	WO2006014129A1 Arrangement for supplying a medium into an exhaust gas conduit in an internal combustion engine
01/2006
01/26/2006	US20060017285 Flexible tube for an exhaust pipe of an automobile
12/2005
12/29/2005	DE102004027593A1 Automotive diesel or petrol engine with exhaust system with selective catalytic reduction
12/22/2005	US20050279572 Arrangement for internal combustion engine
12/21/2005	EP1607594A1 Exhaust silencer for internal combustion engine
12/14/2005	CN1707075A Engine equipment with waste gas turbocharger and SCR catalytic device working
11/2005
11/03/2005	WO2005103460A1 An exhaust-cleaning device for internal combustion engines besides a vehicle comprising such an exhaust-cleaning device and an extension for exhaust-cleaning devices
10/2005
10/13/2005	WO2005095766A1 Spark catcher for a muffler
09/2005
09/15/2005	US20050198943 Method for metering ammonia into the exhaust-gas region of an internal combustion engine and device for implementing the method
09/01/2005	WO2005080857A1 Device for greasing fastening bolts
08/2005
08/11/2005	WO2005073525A1 Method for controlling an internal combustion engine
07/2005
07/28/2005	DE102004001331A1 Introducing ammonia into engine exhaust system containing selective catalytic reduction catalyst reduce nitrogen oxide emissions comprises introducing ammonia after switching off the engine
06/2005
06/02/2005	WO2005005794A3 Cordierite filters with reduced pressure drop
02/2005
02/17/2005	US20050036923 End cone construction for catalytic converters and method for making same
01/2005
01/20/2005	WO2005005794A2 Cordierite filters with reduced pressure drop
12/2004
12/30/2004	US20040261384 Cordierite filters with reduced pressure drop
12/2003
12/03/2003	CN1129705C Exhaust gas pollution controller
09/2003
09/10/2003	EP1290420A4 System and method for providing engine diagnostic and prognostic information
04/2003
04/29/2003	US6553816 System and method for providing engine diagnostic and prognostic information
03/2003
03/12/2003	EP1290420A2 System and method for providing engine diagnostic and prognostic information
10/2002
10/02/2002	CN2513659Y System for purifying waste gas
04/2002
04/24/2002	CN2487874Y Purifier for automobile tail gas
01/2002
01/23/2002	CN1078304C Exhaust system for power device of small motorcycle
01/2001
01/31/2001	CN1281936A Exhaust gas pollution controller
10/2000
10/05/2000	WO2000017496A8 System and method for providing engine diagnostic and prognostic information
07/2000
07/20/2000	WO2000017496A3 System and method for providing engine diagnostic and prognostic information
05/2000
05/31/2000	CN2380691Y 过滤器 Filter
03/2000
03/30/2000	WO2000017496A2 System and method for providing engine diagnostic and prognostic information
05/1995
05/17/1995	CN1102687A Exhaust system of engine
06/1990
06/26/1990	CA1270771A1 Filtering device for vehicle exhaust
03/1989
03/15/1989	EP0236295B1 A filtering device for vehicle exhaust
02/1989
02/01/1989	EP0229148B1 Silencer
11/1987
11/17/1987	US4706455 Filtering device for vehicle exhaust
01/1987
01/15/1987	WO1987000241A1 Silencer
07/1986
07/03/1986	WO1986003802A1 A filtering device for vehicle exhaust
06/1982
06/29/1982	CA1126519A1 Method and apparatus for reducing nitrous oxide emissions from combustors
10/1980
10/07/1980	US4226083 Method and apparatus for reducing nitrous oxide emissions from combustors
09/1980
09/16/1980	US4222232 Method and apparatus for reducing nitrous oxide emissions from combustors
05/1980
05/13/1980	CA1077354A1 Reed valve assembly for exhaust system secondary air
02/1980
02/12/1980	US4187677 Exhaust port liner support for internal combustion engine
12/1979
12/25/1979	US4179883 Reed valve assembly
11/1979
11/06/1979	CA1065713A1 Exhaust port liner support system for engines
03/1977
03/29/1977	US4014299 Method and device for restraining nitrogen oxide production in combustion gas of internal combustion engines