ClassID:

29767

B01D53/922 - 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

Sub-classes:
Recent Application in this class:
#1
20220280921
2022-09-08

EXHAUST GAS PURIFICATION CATALYST, METHOD OF PURIFYING EXHAUST GAS, AND METHOD OF MANUFACTURING EXHAUST GAS PURIFICATION CATALYST

#2
20220275739
2022-09-01

EXHAUST GAS PROCESSING SYSTEM AND METHOD

#3
20210402352
2021-12-30

ENGINE EXHAUST GAS OZONE PURIFICATION SYSTEM AND METHOD

#4
20200384449
2020-12-10

Catalytic articles

#5
20190308886
2019-10-10

System for neutralizing the pH of exhaust condensate

#6
20190262772
2019-08-29

Diesel oxidation catalyst and exhaust system

#7
20190255485
2019-08-22

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#8
20180353903
2018-12-13

Diesel oxidation catalyst and exhaust system

#9
20180353902
2018-12-13

Diesel oxidation catalyst and exhaust system

#10
20180065085
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#11
20180065084
2018-03-08

DIESEL OXIDATION CATALYST AND EXHAUST SYSTEM

#12
20170304811
2017-10-26

Catalyst trap

#13
20170087512
2017-03-30

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#14
20150298059
2015-10-22

Catalysed soot filter for treating the exhaust gas of a compression ignition engine

#15
20150224478
2015-08-13

Oxidation catalyst for treating the exhaust gas of a compression ignition engine

#16
20150202611
2015-07-23

Diesel oxidation catalyst and exhaust system

#17
20150202600
2015-07-23

Diesel oxidation catalyst and exhaust system

#18
20150202572
2015-07-23

Diesel oxidation catalyst and exhaust system

#19
20130331258
2013-12-12

Palladium—gold catalyst synthesis

#20
20110167798
2011-07-14

SYSTEM AND METHOD FOR SEQUESTERING EMISSIONS FROM ENGINES

#21
20100184587
2010-07-22

Palladium-gold catalyst synthesis

#22
20100072055
2010-03-25

GAS PURIFYING DEVICE, GAS PURIFYING SYSTEM AND GAS PURIFYING METHOD

#23
20060057036
2006-03-16

System for elimnating polluting gases produced from combustion processes