| Patent | Date |
|---|
Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same
Grant 10,953,366 - Yang , et al. March 23, 2 | 2021-03-23 |
Passive nitric oxide storage catalyst management
Grant 10,947,885 - Whitt , et al. March 16, 2 | 2021-03-16 |
Methods for operating and diagnosing internal combustion engine exhaust gas treatment systems
Grant 10,907,521 - Ren , et al. February 2, 2 | 2021-02-02 |
Methods For Operating And Diagnosing Internal Combustion Engine Exhaust Gas Treatment Systems
App 20200173327 - Ren; Shouxian ; et al. | 2020-06-04 |
Exhaust Gas Treatment Systems And Methods For Diagnosing The Same
App 20200131961 - Ren; Shouxian ; et al. | 2020-04-30 |
Passive Nitric Oxide Storage Catalyst Management
App 20190390589 - Whitt; Christopher L. ; et al. | 2019-12-26 |
Selective catalytic reduction filter for reducing nitrous oxide formation and methods of using the same
Grant 10,456,746 - Ren , et al. Oc | 2019-10-29 |
Nitrogen Oxides And Hydrocarbon Storage Catalyst And Methods Of Using The Same
App 20190321783 - Yang; Ming ; et al. | 2019-10-24 |
NOx storage catalyst monitoring methods
Grant 10,400,654 - Wiebenga , et al. Sep | 2019-09-03 |
Nitrogen oxides storage catalyst and methods of using the same
Grant 10,399,037 - Wang , et al. Sep | 2019-09-03 |
Selective Catalytic Reduction Filter For Reducing Nitrous Oxide Formation And Methods Of Using The Same
App 20190247792 - REN; Shouxian ; et al. | 2019-08-15 |
NOx STORAGE CATALYST MONITORING METHODS
App 20190234281 - Wiebenga; Michelle H. ; et al. | 2019-08-01 |
Limiting exposure of zeolite containing aftertreatment components to rich exhaust conditions
Grant 10,358,966 - Smith , et al. July 23, 2 | 2019-07-23 |
Limiting Exposure Of Zeolite Containing Aftertreatment Components To Rich Exhaust Conditions
App 20190085747 - Smith; Michael A. ; et al. | 2019-03-21 |
Capacitor-powered catalyst heater
Grant 10,161,277 - Jorgensen , et al. Dec | 2018-12-25 |
Synergistic combinations of low temperature NOx adsorbers
Grant 10,145,281 - Ren , et al. De | 2018-12-04 |
Capacitor-powered Catalyst Heater
App 20180306080 - Jorgensen; Scott W. ; et al. | 2018-10-25 |
Vehicle Having A Nitrogen Oxides Storage Converter And On-board Method For Monitoring And Diagnosing The Nitrogen Oxides Storage Converter
App 20180223712 - Ren; Shouxian ; et al. | 2018-08-09 |
Efficient lean NO.sub.x trap regeneration with enchanced ammonia formation
Grant 10,040,029 - Mital , et al. August 7, 2 | 2018-08-07 |
Dual-layer catalyst
Grant 10,005,031 - Ren , et al. June 26, 2 | 2018-06-26 |
METHOD AND APPARATUS TO MINIMIZE DEACTIVATION OF A LOW TEMPERATURE NOx ADSORBER IN AN EXHAUST AFTERTREATMENT SYSTEM
App 20180058286 - Qi; Gongshin ; et al. | 2018-03-01 |
Dual-layer Catalyst
App 20170157564 - Ren; Shouxian ; et al. | 2017-06-08 |
Zeolite promoted silver based catalyst for NOx storage
Grant 9,597,635 - Qi , et al. March 21, 2 | 2017-03-21 |
SYNERGISTIC COMBINATIONS OF LOW TEMPERATURE NOx ADSORBERS
App 20160222852 - Ren; Shouxian ; et al. | 2016-08-04 |
ZEOLITE PROMOTED SILVER BASED CATALYST FOR NOx STORAGE
App 20160158700 - QI; GONGSHIN ; et al. | 2016-06-09 |
Catalyst Design For Selective-catalytic-reduction (scr) Filters
App 20160131001 - REN; SHOUXIAN ; et al. | 2016-05-12 |
Efficient Lean Nox Trap Regeneration With Enchanced Ammonia Formation
App 20150238903 - Mital; Rahul ; et al. | 2015-08-27 |
Diesel oxidation catalyst aging level determination using NO.sub.X sensor NO.sub.2 interference
Grant 9,084,966 - Ardanese , et al. July 21, 2 | 2015-07-21 |
Selective catalytic reduction device monitoring system
Grant 9,046,025 - Ardanese , et al. June 2, 2 | 2015-06-02 |
Selective Catalytic Reduction Device Monitoring System
App 20140360165 - Ardanese; Raffaello ; et al. | 2014-12-11 |
Ash filter, exhaust gas treatment system incorporating the same and method of using the same
Grant 8,887,495 - Ren , et al. November 18, 2 | 2014-11-18 |
Compact exhaust gas treatment systems for diesel applications
Grant 8,778,290 - Ren , et al. July 15, 2 | 2014-07-15 |
Diesel Oxidation Catalyst Aging Level Determination Using Nox Sensor No2 Interference
App 20140147339 - Ardanese; Raffaello ; et al. | 2014-05-29 |
Apparatus and method for onboard performance monitoring of oxidation catalyst
Grant 8,720,189 - Ren , et al. May 13, 2 | 2014-05-13 |
Exhaust treatment system for an internal combustion engine
Grant 8,479,500 - Ren , et al. July 9, 2 | 2013-07-09 |
Exhaust gas treatment system
Grant 8,409,515 - Ren , et al. April 2, 2 | 2013-04-02 |
Exhaust Treatment System For An Internal Combustion Engine
App 20120258015 - Ren; Shouxian ; et al. | 2012-10-11 |
Exhaust Mixer Element And Method For Mixing
App 20120204541 - Li; Jianwen ; et al. | 2012-08-16 |
Apparatus And Method For Onboard Performance Monitoring Of Oxidation Catalyst
App 20120186226 - Ren; Shouxian ; et al. | 2012-07-26 |
Intrusive SCR efficency testing systems and methods for vehicles with low temperature exhaust gas
Grant 8,205,440 - Levijoki , et al. June 26, 2 | 2012-06-26 |
Perturbation control strategy for low-temperature urea SCR NOx reduction
Grant 8,176,729 - Ren May 15, 2 | 2012-05-15 |
Exhaust system with improved NO.sub.X emission control
Grant 8,122,712 - Ren , et al. February 28, 2 | 2012-02-28 |
NO.sub.x emission estimation systems and methods
Grant 8,108,154 - Ramamurthy , et al. January 31, 2 | 2012-01-31 |
Intrusive Scr Efficency Testing Systems And Methods For Vehicles With Low Temperature Exhaust Gas
App 20110061372 - Levijoki; Stephen Paul ; et al. | 2011-03-17 |
Exhaust Gas Treatment System
App 20110011068 - Ren; Shouxian ; et al. | 2011-01-20 |
Ash Filter, Exhaust Gas Treatment System Incorporating the Same and Method of Using the Same
App 20110011067 - Ren; Shouxian ; et al. | 2011-01-20 |
NOx EMISSION ESTIMATION SYSTEMS AND METHODS
App 20100145628 - RAMAMURTHY; RAVISHANKAR ; et al. | 2010-06-10 |
Turbocharger assembly with catalyst coating
Grant 7,712,311 - Ren , et al. May 11, 2 | 2010-05-11 |
Pertubation Control Strategy For Low-temperature Urea Scr Nox Reduction
App 20090223207 - Ren; Shouxian | 2009-09-10 |
EXHAUST SYSTEM WITH IMPROVED NOx EMISSION CONTROL
App 20090173064 - Ren; Shouxian ; et al. | 2009-07-09 |
Turbocharger Assembly With Catalyst Coating
App 20080223037 - Ren; Shouxian ; et al. | 2008-09-18 |
Diesel Exhaust System Reversible Particulate Filter
App 20070289293 - Kerchner; Douglas M. ; et al. | 2007-12-20 |
De-sulfurization of a NO.sub.x adsorber catalyst in a diesel engine exhaust system
Grant 7,047,730 - Wang , et al. May 23, 2 | 2006-05-23 |
De-sulfurization Of A Nox Adsorber Catalyst In A Diesel Engine Exhaust System
App 20060086085 - Wang; Xinlei ; et al. | 2006-04-27 |
Soot burn-off control strategy for a catalyzed diesel particulate filter
Grant 6,978,604 - Wang , et al. December 27, 2 | 2005-12-27 |
Soot burn-off control strategy for a catalyzed diesel particulate filter
App 20050097885 - Wang, Xinlei ; et al. | 2005-05-12 |
Forced regeneration of a diesel particulate filter
Grant 6,829,890 - Gui , et al. December 14, 2 | 2004-12-14 |
Forced regeneration of a diesel particulate filter
App 20040031262 - Gui, Xinqun ; et al. | 2004-02-19 |
| 