F01N3/0228 - CPC Classification Index

ClassID:

137790 ⎘

F01N3/0228 - CPC Classification

Classification description:

Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous the structure being made of foamed rubber or plastics

Recent Application in this class:

20180126369

2018-05-10

Multistage body having a plurality of flow channels

20150151228

2015-06-04

Filter

20090208393

2009-08-20

DEVICE FOR REMOVING HARMFUL CONSTITUENTS FROM EXHAUST GASES OF INTERNAL COMBUSTION ENGINES

20090100809

2009-04-23

FILTER ASSEMBLY FOR REMOVING PARTICULATES IN AN EXHAUST GAS IN A FUEL ENGINE