Patents-Review.com
ClassID:

29772 ⎘

B01D53/9409 - 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 by catalytic processes; Removing only nitrogen compounds Nitrogen oxides

Sub-classes:
Recent Application in this class:
#1
20250256242
2025-08-14

EXHAUST GAS TREATMENT APPARATUS, COMBUSTION FACILITY, POWER GENERATION FACILITY, AND EXHAUST GAS TREATMENT METHOD

 #2
20250249406
2025-08-07

EXHAUST GAS TREATMENT APPARATUS, COMBUSTION FACILITY, AND EXHAUST GAS TREATMENT METHOD

 #3
20250186915
2025-06-12

METHOD FOR PRODUCING FILTER

 #4
20250101903
2025-03-27

Apparatus and Methods Related to Coolant Diverter Valves

 #5
20240426240
2024-12-26

FUEL COMBUSTOR, COMBUSTION TURBINE, AND METHOD OF COMBUSTION

 #6
20240149251
2024-05-09

EXHAUST GAS PURIFICATION CATALYST COMPOSITION AND EXHAUST GAS PURIFICATION CATALYST

 #7
20230330646
2023-10-19

Method for making functional structural body

 #8
20230037326
2023-02-09

Method for adaption of an exhaust treatment system

 #9
20220403768
2022-12-22

Method and system for diagnosing oxidation of a substance in an exhaust gas stream

 #10
20220243628
2022-08-04

Reductant dosing control system

 #11
20220111334
2022-04-14

Reactor for reducing nitrogen oxides

 #12
20220097002
2022-03-31

EXHAUST PURIFICATION DEVICE AND VEHICLE

 #13
20210172835
2021-06-10

Generation of nitrogen dioxide for use with burner-based exhaust replication system

 #14
20210140357
2021-05-13

Method for regulating exhaust emissions

 #15
20210113962
2021-04-22

Pollutant treatment process and apparatus

 #16
20200215523
2020-07-09

Contactless leveling of a washcoat suspension

 #17
20200108374
2020-04-09

Functional structural body and method for making functional structural body

 #18
20190292064
2019-09-26

USE OF A UREA COMPOSITION TO PRODUCE DIESEL EXHAUST FLUID (AUS 32)

 #19
20190242287
2019-08-08

Exhaust gas treatment device comprising an electrochemical cell

 #20
20190195107
2019-06-27

Abnormality diagnosis system for an exhaust gas purification apparatus

 #21
20190186318
2019-06-20

Method and apparatus for monitoring an exhaust aftertreatment system for an internal combustion engine

 #22
20190178129
2019-06-13

Methods for assessing the condition of a selective catalytic reduction devices

 #23
20190168159
2019-06-06

Pollutant treatment process and apparatus

 #24
20190093529
2019-03-28

Exhaust purification device of engine, vehicle engine including exhaust purification device, and method of controlling engine

 #25
20190083931
2019-03-21

Exhaust gas purification catalyst

 #26
20190040778
2019-02-07

Exhaust treatment system and method for treatment of an exhaust stream

 #27
20190024553
2019-01-24

Exhaust gas purification system for construction machine

 #28
20190022583
2019-01-24

Dual auger mixing system

 #29
20190001266
2019-01-03

Catalyst bed and method for reducing nitrogen oxides

 #30
20180369800
2018-12-27

Catalyst bed and method for reducing nitrogen oxides

 #31
20180369753
2018-12-27

Reactor for reducing nitrogen oxides

 #32
20180355776
2018-12-13

MULTISTAGE AMMONIA INJECTION SYSTEM FOR EXHAUST AFTERTREATMENT SYSTEM

 #33
20180353904
2018-12-13

Composition made from urea for treating exhaust gases

 #34
20180345216
2018-12-06

Fluid for carrying out pollution control in heat engines, and methods for preparing said fluids by producing a homogeneous solution

 #35
20180318764
2018-11-08

Sorption enhanced reaction technology for increased performance from automotive catalysts

 #36
20180304198
2018-10-25

Fluid for purifying heat engines using stable suspensions of metal colloidal particles, and methods for preparing said fluid

 #37
20180274420
2018-09-27

Method for controlling an SCR system having two metering valves

 #38
20180274419
2018-09-27

Exhaust gas purification apparatus for an internal combustion engine

 #39
20180245494
2018-08-30

Construction machine

 #40
20180238219
2018-08-23

Methods and systems for an exhaust gas aftertreatment device

 #41
20180238217
2018-08-23

Exhaust aftertreatment system with ammonia gas generator

 #42
20180194639
2018-07-12

Controlled, compact, on-demand ammonia gas generation process and apparatus

 #43
20180126332
2018-05-10

Cyclonic injector and method for reagent gasification and decomposition in a hot gas stream

 #44
20180106176
2018-04-19

Exhaust gas aftertreatment unit and work vehicle

 #45
20180087426
2018-03-29

System for regulating exhaust emissions

 #46
20180080356
2018-03-22

Exhaust gas purification device

 #47
20180066557
2018-03-08

Exhaust purification system, and control method for exhaust purification system

 #48
20170362980
2017-12-21

Exhaust gas purification system, and NOx purification capacity restoration method

 #49
20170354912
2017-12-14

Honeycomb filter

 #50
20170350299
2017-12-07

Exhaust purification system and catalyst regeneration method

 #51
20170350288
2017-12-07

Product for the depollution of exhaust gases, especially from an internal combustion engine, and method for the depollution of exhaust gases using said product

 #52
20170268399
2017-09-21

Exhaust gas post treatment system and method for exhaust gas post-treatment

 #53
20170216771
2017-08-03

Method for cleaning process off- or engine exhaust gas

 #54
20170211441
2017-07-27

METHOD AND SYSTEM FOR THE REMOVAL OF PARTICULATE MATTER AND HEAVY METALS FROM ENGINE EXHAUST GAS

 #55
20170198619
2017-07-13

System and method for regulating exhaust emissions

 #56
20170157559
2017-06-08

Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials

 #57
20170106338
2017-04-20

Reductant dosing control using prediction of exhaust species in selective catalytic reduction

 #58
20170044950
2017-02-16

Exhaust purifying system

 #59
20170030507
2017-02-02

Joint cover

 #60
20170014766
2017-01-19

Catalyst system for gasoline combustion engines, having three-way catalysts and SCR catalyst

 #61
20170009630
2017-01-12

Exhaust purification system for ship

 #62
20160325227
2016-11-10

Manufacturing Method of Urea Solution Used For Intelligent And High Efficiency Diesel Engine Vehicle

 #63
20160279574
2016-09-29

SYSTEMS AND METHODS FOR MONITORING THE HEALTH OF A SELECTIVE CATALYTIC REDUCTION CATALYST

 #64
20160243510
2016-08-25

Dual auger mixing system

 #65
20160220954
2016-08-04

Low temperature urea-Scr operation in the presence of high sulphur flue gas

 #66
20160177798
2016-06-23

Exhaust purification system of internal combustion engine

 #67
20160131000
2016-05-12

Selective catalytic reduction and catalytic regeneration system

 #68
20160122192
2016-05-05

Producing zeolite SSZ-39 using isomeric mixtures of organic structure directing agents

 #69
20160121266
2016-05-05

Exhaust gas purification system and exhaust gas purification method

 #70
20160114289
2016-04-28

Control apparatus, exhaust purifying apparatus for internal combustion engine, and control method for exhaust purifying apparatus

 #71
20160074839
2016-03-17

Urea hydrolysis reactor for selective catalytic reduction

 #72
20160051976
2016-02-25

Method for regenerating denitrification catalyst

 #73
20160001226
2016-01-07

Hexagonal oxidation catalyst

 #74
20150352491
2015-12-10

Cyclonic injector and method for reagent gasification and decomposition in a hot gas stream

 #75
20150314239
2015-11-05

Exhaust gas control apparatus for internal combustion engine

 #76
20150283505
2015-10-08

METHOD AND APPARATUS FOR UREA CONDITIONING AND INJECTION CONTROL IN A SELECTIVE CATALYTIC REDUCTION SYSTEM

 #77
20150283504
2015-10-08

Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials

 #78
20150238903
2015-08-27

Efficient lean NOtrap regeneration with enchanced ammonia formation

 #79
20150231569
2015-08-20

Exhaust gas purification apparatus and method for internal combustion engine

 #80
20150231568
2015-08-20

Gauging the autonomy of a system for storing and delivering gaseous ammonia

 #81
20150184567
2015-07-02

Engine system

 #82
20150174529
2015-06-25

Exhaust gas purification apparatus for an internal combustion engine

 #83
20150143801
2015-05-28

Deterioration detection system for exhaust gas purification apparatus

 #84
20150113966
2015-04-30

Aftertreatment systems with reduced NO generation

 #85
20150093300
2015-04-02

Method and system using a filter for treating exhaust gas having particulate matter

 #86
20150027105
2015-01-29

SCR treatment of engine exhaust gases using temperature control

 #87
20140369911
2014-12-18

Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems

 #88
20140363341
2014-12-11

Exhaust purification device for internal combustion engine

 #89
20140325962
2014-11-06

Diesel engine exhaust gas purification method and exhaust gas purification system

 #90
20140298778
2014-10-09

Enhanced real-time ammonia slip detection

 #91
20140286827
2014-09-25

Exhaust gas purifier

 #92
20140271423
2014-09-18

Catalytic reduction of NO

 #93
20140271389
2014-09-18

Solid storage media charging with ammonia for use in selective catalytic reduction

 #94
20140260208
2014-09-18

Exhaust gas purifier

 #95
20140219896
2014-08-07

Heat generation system for determining a selective catalytic reduction device efficiency

 #96
20140150410
2014-06-05

Ammonia gas generator for producing ammonia in order to reduce nitrogen oxides in exhaust gases

 #97
20140147356
2014-05-29

Ammonia gas generator and method for producing ammonia in order to reduce nitrogen oxides in exhaust gases

 #98
20140127101
2014-05-08

Exhaust purification system of internal combustion engine

 #99
20140127100
2014-05-08

Method for the production of ammonia from an ammonia precursor substance in order to reduce nitrogen oxides in exhaust gases

 #100
20140112851
2014-04-24

Supplemental ammonia storage and delivery system

 #101
20140023561
2014-01-23

Exhaust cleaner for internal combustion engine

 #102
20140018237
2014-01-16

Vanadia—titania catalyst for removing nitrogen oxides and method for manufacturing the same

 #103
20140000240
2014-01-02

Process for the reduction of nitrogen oxides and sulphur oxides in the exhaust gas from internal combustion engine

 #104
20130306171
2013-11-21

Apparatus for diagnosing causes of NOconversion efficiency degradation

 #105
20130287664
2013-10-31

Method for exhaust gas after treatment

 #106
20130259778
2013-10-03

Method for use in connection with an exhaust gas post-treatment system

 #107
20130149205
2013-06-13

Exhaust purification system of internal combustion engine

 #108
20130136659
2013-05-30

Exhaust purification system of internal combustion engine

 #109
20130121885
2013-05-16

Exhaust purification system of internal combustion engine

 #110
20130104530
2013-05-02

SCR control system utilizing a differential NHand NOmeasurement using an exhaust gas sensor coupled with a micro SCR catalyst

 #111
20130055703
2013-03-07

Exhaust gas purification system for internal combustion engine

 #112
20130052086
2013-02-28

Exhaust purification system of internal combustion engine

 #113
20130031892
2013-02-07

Exhaust gas purification device and control method for exhaust gas purification device

 #114
20130028817
2013-01-31

Diesel exhaust fluid formulation having a high ammonium content and a low freezing point

 #115
20130025264
2013-01-31

Exhaust gas purification device

 #116
20130019589
2013-01-24

EXHAUST AFTERTREATMENT SYSTEM FOR COMPRESSION-IGNITION ENGINES

 #117
20130017136
2013-01-17

Exhaust gas control apparatus and method for internal combustion engine

 #118
20120299306
2012-11-29

Cogeneration system

 #119
20120299205
2012-11-29

System for denitrifying exhaust gas capable of preventing blockages in a urea water inflow path and an injection nozzle, and device for supplying urea water capable of preventing the coagulation of urea water

 #120
20120294771
2012-11-22

PARTICULATE FILTER FOR VEHICLE AND EXHAUST SYSTEM USING THE SAME

 #121
20120275978
2012-11-01

System for reducing NOx in exhaust

 #122
20120275963
2012-11-01

Exhaust purification system of internal combustion engine

 #123
20120270723
2012-10-25

Method for cleaning used denitration catalyst

 #124
20120237408
2012-09-20

Exhaust gas purification apparatus for engine

 #125
20120230881
2012-09-13

Honeycomb filters for reducing NOand particulate matter in diesel engine exhaust

 #126
20120208691
2012-08-16

Copper containing levyne molecular sieve for selective reduction of NOx

 #127
20120186235
2012-07-26

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

 #128
20120107203
2012-05-03

Method and system using a filter for treating exhaust gas having particulate matter

 #129
20120097327
2012-04-26

METHOD OF MANUFACTURING HONEYCOMB STRUCTURE

 #130
20120055138
2012-03-08

Methods for engine exhaust NOx control using no oxidation in the engine

 #131
20120047879
2012-03-01

FLUE GAS PURIFYING DEVICE

 #132
20120042639
2012-02-23

MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION

 #133
20110274606
2011-11-10

Thermally regenerable nitric oxide adsorbent

 #134
20110262334
2011-10-27

System and method for controlling and reducing NOx emissions

 #135
20110258991
2011-10-27

Selective catalyst reduction system with bypass system

 #136
20110236280
2011-09-29

Method for purifying exhaust gas and system therefor

 #137
20110209462
2011-09-01

Exhaust purification system of internal combustion engine

 #138
20110202230
2011-08-18

NOx sensor malfunction diagnostic device and malfunction diagnostic method

 #139
20110182789
2011-07-28

Exhaust gas aftertreatment system

 #140
20110113763
2011-05-19

EXHAUST GAS PURIFICATION APPARATUS OF AN INTERNAL COMBUSTION ENGINE

 #141
20110113753
2011-05-19

Method for operating an exhaust gas treatment system having an SCR catalytic converter

 #142
20110076212
2011-03-31

Methods and systems for oxidizing nitric oxide in a gas stream

 #143
20110073806
2011-03-31

Connected heat conducting structures in solid ammonia storage systems

 #144
20110067385
2011-03-24

EXHAUST EMISSION PURIFYING APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #145
20110067384
2011-03-24

Exhaust emission purifying apparatus for internal combustion engine

 #146
20110047990
2011-03-03

Exhaust gas purifier and system for exhaust gas purification

 #147
20110047972
2011-03-03

Device and method for metering a reducing agent into an exhaust gas system of a motor vehicle

 #148
20110036072
2011-02-17

Diagnosis apparatus for reducing agent supply apparatus

 #149
20110016853
2011-01-27

SCR system for purifying exhaust gases in NOx

 #150
20100326052
2010-12-30

Method for monitoring ammonia storage in an exhaust aftertreatment system

 #151
20100318471
2010-12-16

Systems and Methods for Monitoring the Quality of a Reducing Agent

 #152
20100303677
2010-12-02

Particulate filter with low soot loaded coating

 #153
20100287917
2010-11-18

EXHAUST PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

 #154
20100284875
2010-11-11

Treatment of power utilities exhaust

 #155
20100281853
2010-11-11

Method of estimating quantity of NO produced in ammonia oxidation catalyst and exhaust gas purification system for internal combustion engine

 #156
20100276223
2010-11-04

Hybrid vehicle exhaust control strategy

 #157
20100275586
2010-11-04

DEVICE FOR CLEANING EXHAUST GAS OF INTERNAL COMBUSTION ENGINE

 #158
20100275581
2010-11-04

Exhaust emission control device for internal combustion engine

 #159
20100251697
2010-10-07

Exhaust gas purification system for internal combustion engine

 #160
20100242928
2010-09-30

Device and method for neutralizing acidic condensate in a motor vehicle

 #161
20100242480
2010-09-30

Exhaust gas purification system for an internal combustion engine

 #162
20100242454
2010-09-30

NH3-MONITORING OF AN SCR CATALYTIC CONVERTER

 #163
20100242440
2010-09-30

Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalyst

 #164
20100229530
2010-09-16

Control device and control method for exhaust gas purification apparatus, and internal combustion engine exhaust gas purification apparatus

 #165
20100212297
2010-08-26

Construction machine

 #166
20100146937
2010-06-17

Exhaust purification device of internal combustion engine

 #167
20100140137
2010-06-10

FUEL CONVERSION SYSTEM, APPARATUS, AND METHOD

 #168
20100139257
2010-06-10

System and method for treating exhaust gases

 #169
20100115924
2010-05-13

Method of controlling NOx purification system and NOx purification system

 #170
20100115918
2010-05-13

Abnormality diagnosis apparatus for exhaust purification system

 #171
20100111774
2010-05-06

Exhaust gas purification system for internal combustion engine

 #172
20100089039
2010-04-15

Exhaust purification device of internal combustion engine

 #173
20100089033
2010-04-15

Diagnostic method and device for operating an internal combustion engine

 #174
20100086458
2010-04-08

Method and architecture for oxidizing nitric oxide in exhaust gas from hydrocarbon fuel source with a fuel lean combustion mixture

 #175
20100077737
2010-04-01

System for reducing NOx in exhaust

 #176
20100077736
2010-04-01

EXHAUST PURIFICATION SYSTEM FOR INTERNAL COMBUSTION ENGINE

 #177
20100064669
2010-03-18

Oproduction apparatus and exhaust gas purification system for internal combustion engine

 #178
20100062296
2010-03-11

Method and device for ammonia storage and delivery using in situ re-saturation of a delivery unit

 #179
20100062212
2010-03-11

Hydrocarbon reformer substrate having a graded structure for thermal control

 #180
20100061903
2010-03-11

Catalyst system to be used in automobile exhaust gas purification apparatus, exhaust gas purification apparatus using the same and exhaust gas purification method

 #181
20100050615
2010-03-04

Efficient Release of Ammonia from a Solid Ammonia Storage Medium

 #182
20100050610
2010-03-04

EXHAUST GAS PURIFICATION SYSTEM OF INTERNAL COMBUSTION ENGINE

 #183
20100043405
2010-02-25

Exhaust purification device of an internal combustion engine

 #184
20100037598
2010-02-18

Method for providing ammonia for the selective catalytic reduction of nitrogen oxides and corresponding device

 #185
20100028228
2010-02-04

Current storage estimation for selective catalytic reduction catalysts

 #186
20100024520
2010-02-04

Abnormality diagnosis apparatus for NOsensor

 #187
20100024403
2010-02-04

High density storage of ammonia

 #188
20100024400
2010-02-04

EMISSION CONTROL SYSTEM AND METHOD

 #189
20100024398
2010-02-04

EXHAUST EMISSION CONTROL APPARATUS FOR INTERNAL COMBUSTION ENGINE

 #190
20100024389
2010-02-04

Nitrogen oxide estimation downstream of a selective catalytic reduction catalyst

 #191
20100015022
2010-01-21

Aqueous solution for the treatment of exhaust gases of diesel engines

 #192
20090288393
2009-11-26

Exhaust gas purification apparatus of internal combustion engine

 #193
20090277162
2009-11-12

INJECTION METHOD AND DEVICE FOR INJECTING A REDUCING SUBSTANCE INTO AN EXHAUST SYSTEM OF AN INTERNAL COMBUSTION ENGINE

 #194
20090277159
2009-11-12

Selective catalytic reduction using controlled catalytic deactivation

 #195
20090272105
2009-11-05

Apparatus, system, and method for reducing NOemissions on an SCR catalyst

 #196
20090272104
2009-11-05

Apparatus, system, and method for reducing NOemissions on an SCR catalyst using ammonia storage and slip control

 #197
20090250041
2009-10-08

Device for purifying exhaust gas of a diesel engine

 #198
20090249768
2009-10-08

Exhaust Purification System of Internal Combustion Engine

 #199
20090249767
2009-10-08

Exhaust purification device of compression ignition type internal combustion engine

 #200
20090246109
2009-10-01

SOLID SOLUTIONS AND METHODS OF MAKING THE SAME

 #201
20090235646
2009-09-24

Exhaust gas purification method and system

 #202
20090223499
2009-09-10

Diagnostic method and device for operating an internal combustion engine

 #203
20090211237
2009-08-27

Injection device

 #204
20090199542
2009-08-13

Method for operating an internal combustion engine and device for implementing the method

 #205
20090183493
2009-07-23

Exhaust purification system of internal combustion engine

 #206
20090180943
2009-07-16

Selective Ammonia Oxidation Catalysts

 #207
20090165442
2009-07-02

Method for controlling exhaust gas purification system

 #208
20090165440
2009-07-02

Catalyst Deterioration Monitoring System and Catalyst Deterioration Monitoring Method

 #209
20090151331
2009-06-18

Exhaust purification device of internal combustion engine

 #210
20090139318
2009-06-04

SYSTEMS AND METHODS FOR MONITORING THE QUALITY OF A REDUCING AGENT

 #211
20090139215
2009-06-04

Methods for reducing emissions from diesel engines

 #212
20090131243
2009-05-21

Method for the reactivation of thermally aged nitrogen oxide storage catalytic converters

 #213
20090123361
2009-05-14

High Density Storage of Ammonia

 #214
20090077954
2009-03-26

CONTINUOUSLY REGENERATING PARTICULATE FILTER FOR INTERNAL COMBUSTION ENGINE

 #215
20090056314
2009-03-05

Exhaust gas purification method and exhaust gas purification system

 #216
20090053122
2009-02-26

Process for denitration of exhaust gas

 #217
20090035579
2009-02-05

Solid particles, method and device for the production thereof

 #218
20090035192
2009-02-05

Catalytic EGR oxidizer for IC engines and gas turbines

 #219
20090031713
2009-02-05

ANTIFREEZING UREA SOLUTION FOR UREA SCR SYSTEM AND UREA SCR SYSTEM USING THE SAME

 #220
20090031709
2009-02-05

Exhaust purification device of compression ignition type internal combustion engine

 #221
20090025367
2009-01-29

Physical based LNT regeneration strategy

 #222
20090007548
2009-01-08

Exhaust gas purification system of internal combustion engine

 #223
20090004082
2009-01-01

Method of denitration of exhaust gas and apparatus therefor

 #224
20090000279
2009-01-01

Addition-amount controller for exhaust gas purifying agent and exhaust emission control system

 #225
20090000278
2009-01-01

ADDITION-AMOUNT CONTROLLER FOR EXHAUST GAS PURIFYING AGENT AND EXHAUST EMISSION CONTROL SYSTEM

 #226
20080302093
2008-12-11

MULTI-ENGINE SYSTEM WITH ON-BOARD AMMONIA PRODUCTION

 #227
20080295498
2008-12-04

EXHAUST GAS PURIFYING APPARATUS FOR INTERNATIONAL COMBUSTION

 #228
20080282681
2008-11-20

Exhaust emission purifying apparatus for engine

 #229
20080279742
2008-11-13

Method and Device For Desulfating a NOx Storage Catalyst

 #230
20080241031
2008-10-02

Fast-regenerable sulfur dioxide adsorbents for diesel engine emission control

 #231
20080236142
2008-10-02

Method and apparatus for exhaust gas purifying using hydrocarbon-selective catalytic reduction

 #232
20080216467
2008-09-11

Method and device for reducing the nitrogen oxide proportion in the exhaust gas of an internal combustion engine

 #233
20080173012
2008-07-24

Exhaust stream treatment

 #234
20080148715
2008-06-26

Method of raising temperature in exhaust-gas purifier and exhaust-gas purification system

 #235
20080131346
2008-06-05

Exhaust emission control device and method for internal combustion engine, and engine control unit

 #236
20080124263
2008-05-29

Exhaust emission control device and method for internal combustion engine, and engine control unit

 #237
20080120965
2008-05-29

Exhaust emission control device and method for internal combustion engine, and engine control unit

 #238
20080092522
2008-04-24

Method for detecting abnormality in exhaust emission control device

 #239
20080085231
2008-04-10

System and method for reducing nitrogen oxides emissions

 #240
20080053073
2008-03-06

Reformer assisted lean NOcatalyst aftertreatment system and method

 #241
20080041037
2008-02-21

Method for Reducing NOx Emissions from Ethanol-Blended Diesel Fuels

 #242
20080028744
2008-02-07

Method for Increasing Catalyst Temperature Using Ethanol-Blended Diesel Fuels

 #243
20080022664
2008-01-31

Optimal fuel profiles

 #244
20070217984
2007-09-20

Method for controlling exhaust emission control device

 #245
20070202031
2007-08-30

Device and procedure for the production of ammonia

 #246
20070199309
2007-08-30

Exhaust gas purification apparatus

 #247
20070199307
2007-08-30

Method for determining NOreduction ratio in exhaust emission control device

 #248
20070193253
2007-08-23

Method for controlling exhaust emission control device

 #249
20070180816
2007-08-09

Exhaust emission purifying apparatus for engine

 #250
20070175207
2007-08-02

Procedure and device to control a reducing agent generation system

 #251
20070169467
2007-07-26

SCR muffler

 #252
20070157607
2007-07-12

Clean air system

 #253
20070130920
2007-06-14

Method for regenerating NOx absorbing catalyst

 #254
20070122317
2007-05-31

Multi-stage system for selective catalytic reduction

 #255
20070110653
2007-05-17

Process for reducing agent control in an exhaust gas aftertreatment system

 #256
20070092426
2007-04-26

On-board ammonia generation and exhaust after treatment system using same

 #257
20070081934
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