ClassID:

30525

B01D2258/018 - CPC Classification

Classification description:

Sources of waste gases; Engine exhaust gases Natural gas engines

Recent Application in this class:
#1
20260110259
2026-04-23

SYSTEMS AND METHODS FOR TREATMENT OF GAS ENGINE EXHAUST

#2
20260070016
2026-03-12

HEAT EXCHANGING CATALYST BLOCK

#3
20260063060
2026-03-05

SYSTEMS AND METHODS FOR MANAGING AMMONIA SLIP IN AN AFTERTREATMENT SYSTEM

#4
20260008012
2026-01-08

Catalysts for Reducing Methane Slip and Methods and Exhaust Systems Using the Same

#5
20260008011
2026-01-08

Catalysts for Reducing Methane Slip and Methods and Exhaust Systems Using the Same

#6
20250367652
2025-12-04

REGENERATION OF METHANE OXIDATION CATALYSTS

#7
20250303396
2025-10-02

COMPOSITIONS FOR AND METHOD OF MAKING METHANE ABATEMENT CATALYSTS

#8
20250214042
2025-07-03

MEMBRANES INCORPORATED WITH POROUS POLYMER FRAMEWORKS

#9
20240392928
2024-11-28

SYSTEM AND METHOD FOR TRANSPORTATION OF CAPTURED CARBON

#10
20240342644
2024-10-17

DEVICE FOR TREATING EXHAUST FUMES EMITTED BY A FUEL-CONSUMING APPARATUS

#11
20240293805
2024-09-05

INDUCTIVELY HEATED NOX ADSORBER

#12
20240066465
2024-02-29

Ship with a carbon dioxide capture system

#13
20230302405
2023-09-28

COMPLETE OXIDATION CATALYSTS FOR DILUTE ALKANES

#14
20230287822
2023-09-14

Exhaust treatment system for dual fuel engines

#15
20230258113
2023-08-17

APPARATUS AND METHOD FOR ELECTRON IRRADIATION SCRUBBING

#16
20230201758
2023-06-29

PROCESS AND APPARATUS FOR REMOVING UNWANTED COMPONENTS FROM A GAS MIXTURE

#17
20230110753
2023-04-13

Catalyst article for exhaust system of natural gas engine

#18
20220152590
2022-05-19

Methane Oxidation Catalyst and Method of Using Same

#19
20220062821
2022-03-03

Devices, systems, facilities, and processes of liquid natural gas processing for power generation

#20
20210032548
2021-02-04

Composition for removing sulfur-containing compounds

#21
20190299153
2019-10-03

LAYERED ADSORBENT BED FOR REMOVAL OF CARBON DIOXIDE AND HEAVY HYDROCARBONS

#22
20190046958
2019-02-14

Oxidation catalyst for lean compressed natural gas engine

#23
20190022625
2019-01-24

Methane oxidation catalyst, process to prepare the same and method of using the same

#24
20180318798
2018-11-08

Methane Oxidation Catalyst and Method of Using Same

#25
20180015446
2018-01-18

Oxidation catalyst for a stoichiometric natural gas engine

#26
20170216820
2017-08-03

Method for preparing noble metal catalyst

#27
20170007987
2017-01-12

Exhaust gas oxidation catalyst for compressed natural gas combustion system

#28
20160361707
2016-12-15

Methods of preparing metal/metal oxide materials from nanostructured substrates and uses thereof

#29
20160361688
2016-12-15

RADIATIVE EXCITATION OF METHANE FOR REDUCED TEMPERATURE EMISSION CONTROL

#30
20160348558
2016-12-01

Aftertreatment module with reduced bypass flow

#31
20160236147
2016-08-18

Oxidation catalyst for treating a natural gas emission

#32
20160123945
2016-05-05

NOsensor calibration and application in lean NOtrap aftertreat systems

#33
20150367274
2015-12-24

System and method for producing carbon dioxide

#34
20150308684
2015-10-29

Dual stream system and method for producing carbon dioxide

#35
20150033711
2015-02-05

Systems, methods, and apparatuses related to vehicles with reduced emissions

#36
20140053761
2014-02-27

Dual stream system and method for producing carbon dioxide

#37
20130283852
2013-10-31

METHOD AND SYSTEMS FOR CO2 SEPARATION

#38
20130255597
2013-10-03

System and method for producing carbon dioxide

#39
20130042599
2013-02-21

Exhaust device for an internal combustion engine

#40
20120085102
2012-04-12

METHOD FOR PURIFYING FLUE GASES OF A GAS ENGINE

#41
20120058013
2012-03-08

Model based tempering air control and enhancement of exhaust for select catalytic reduction

#42
20110305961
2011-12-15

Process for treating a flue gas

#43
20110305611
2011-12-15

Apparatus and methods for treating exhaust gases

#44
20110277474
2011-11-17

METHODS AND SYSTEMS USING NATURAL GAS POWER PLANT

#45
20110167798
2011-07-14

SYSTEM AND METHOD FOR SEQUESTERING EMISSIONS FROM ENGINES

#46
20110000191
2011-01-06

EXHAUST GAS TREATMENT SYSTEM AND METHOD

#47
20100307335
2010-12-09

Fuel cleaning for gas fired engines

#48
20100263352
2010-10-21

Exhaust system

#49
20100186394
2010-07-29

Exhaust gas after treatment assembly

#50
20100086467
2010-04-08

Release of stored ammonia at start-up

#51
20100048383
2010-02-25

Close coupled catalyst for purification of exhaust gas and the preparation thereof

#52
20090196813
2009-08-06

High temperature catalyst and process for selective catalytic reduction of NOin exhaust gases of fossil fuel combustion

#53
20080276800
2008-11-13

Method to condense and recover carbon dioxide (CO2) from CO2 containing gas streams

#54
20080003155
2008-01-03

Platinum-bismuth catalysts for treating engine exhaust

#55
20070093383
2007-04-26

Catalyst for oxidation emissions from compressed natural gas vehicles

#56
17130491
2021-11-02

Devices, systems, facilities, and processes of liquid natural gas processing for power generation