ClassID:

29768

B01D53/925 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases of engine exhaust gases; Mixtures of carbon monoxide or hydrocarbons and nitrogen oxides Simultaneous elimination of carbon monoxide or hydrocarbons and nitrogen oxides

Recent Application in this class:
#1
20230372905
2023-11-23

DIESEL OXIDATION CATALYST WITH ENHANCED HYDROCARBON LIGHT-OFF PROPERTIES

#2
20220054974
2022-02-24

EXHAUST TREATMENT SYSTEM AND METHOD

#3
20210403324
2021-12-30

SYSTEM AND METHOD FOR PURIFYING ENGINE EXHAUST BY USING OZONE

#4
20210379599
2021-12-09

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#5
20200215481
2020-07-09

Electrochemical reactor

#6
20200146138
2020-05-07

Emitter for dissociating gas molecules using non-linear quantum dissonance

#7
20200078733
2020-03-12

Exhaust gas pollution control fluid comprising a soluble basic metal carbonate, process for preparing same and use thereof for internal- combustion engines

#8
20180274425
2018-09-27

Photocatalytic device and method for the reduction of exhaust emissions

#9
20180132341
2018-05-10

Emitter for dissociating gas molecules using non-linear quantum dissonance

#10
20170304811
2017-10-26

Catalyst trap

#11
20160228816
2016-08-11

Reactor apparatus and method for reducing NOx from exhaust gases produced by industrial processes

#12
20160158695
2016-06-09

Airstream treatment apparatus (ATA) and methods of use thereof

#13
20140120003
2014-05-01

Electro-catalytic honeycomb for exhaust emissions control

#14
20140102302
2014-04-17

Combination discharge reactor for oil smoke decomposition

#15
20130164184
2013-06-27

Automotive anti-contamination system

#16
20130052087
2013-02-28

Exhaust purification system of internal combustion engine

#17
20120228126
2012-09-13

Gas decomposition apparatus

#18
20100251701
2010-10-07

MUFFLER

#19
20100219068
2010-09-02

Harmful Gas Treatment Apparatus and Water Treatment Apparatus

#20
20100200399
2010-08-12

EXHAUST GAS PURIFICATION SYSTEM

#21
20100196221
2010-08-05

Selective catalytic reduction type catalyst, and exhaust gas purification equipment and purifying process of exhaust gas using the same

#22
20100087314
2010-04-08

Exhaust gas-purifying catalyst

#23
20100000405
2010-01-07

METHOD OF TREATING COMBUSTION GASES

#24
20090282817
2009-11-19

PLASMA PROCESSING APPARATUS

#25
20090178556
2009-07-16

METHOD FOR SEPARATING GAS COMPONENTS AND SEPARATOR FOR THE SAME

#26
20090165439
2009-07-02

EXHAUST GAS TREATMENT SYSTEM FOR AN INTERNAL COMBUSTION ENGINE

#27
20090162257
2009-06-25

EXHAUST GAS PURIFICATION APPARATUS

#28
20090145108
2009-06-11

EXHAUST GAS PURIFYING SYSTEM

#29
20080295797
2008-12-04

Systems and methods for engine emissions reduction on ships

#30
20080014130
2008-01-17

Apparatus to recycle atmospheric contaminants

#31
20070261397
2007-11-15

Plasma injector, exhaust gas purifying system and method for injecting reducing agent