Patents-Review.com
ClassID:

138137 ⎘

F01N2490/14 - CPC Classification

Classification description:

Structure, disposition or shape of gas-chambers Dead or resonance chambers connected to gas flow tube by relatively short side-tubes

Recent Application in this class:
#1
20210156287
2021-05-27

Exhaust muffler

 #2
20200232357
2020-07-23

Acoustic damper for gas turbine combustors with orthogonal slots

 #3
20200018203
2020-01-16

HELMHOLTZ MUFFLER FOR VEHICLE

 #4
20190063297
2019-02-28

Exhaust sound generating apparatus of vehicle

 #5
20170335741
2017-11-23

Muffler for an exhaust system of an internal combustion engine, especially for motor vehicles with hybrid drive

 #6
20170074132
2017-03-16

Exhaust system for internal combustion engine

 #7
20160176476
2016-06-23

Motorcycle and motorcycle rear wheel swingarm with integrated resonator

 #8
20160169070
2016-06-16

Exhaust pipe

 #9
20150159537
2015-06-11

Exhaust gas aftertreatment module

 #10
20120228053
2012-09-13

Silencer for a two-stroke motor of a power tool

 #11
20120137666
2012-06-07

Exhaust gas apparatus of an internal combustion engine

 #12
20110278090
2011-11-17

Exhaust system and corresponding support structure

 #13
20100192557
2010-08-05

Multi-cylinder internal combustion engine, vehicle, marine vessel, and exhausting method for multi-cylinder internal combustion engine

 #14
20100192556
2010-08-05

Internal combustion engine, vehicle, marine vessel, and secondary air supply method for internal combustion engine

 #15
20100192553
2010-08-05

Internal combustion engine, vehicle, marine vessel, and exhaust gas cleaning method for internal combustion engine

 #16
20100180583
2010-07-22

Internal combustion engine, vehicle, marine vessel, and exhausting method for internal combustion engine

 #17
20060201742
2006-09-14

Motorcycle exhaust system

 #18
20050284623
2005-12-29

Combined muffler/heat exchanger

 #19
20050115229
2005-06-02

Muffler with an integrated catalytic converter