Cheng; Shi-Wai S.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Cheng; Shi-Wai S..The latest application filed is for "method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device".

Company Profile

0.14.14

Cheng; Shi-Wai S. - Troy MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device Grant 8,713,914 - Schmieg , et al. May 6, 2	2014-05-06
Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications Grant 8,186,151 - Viola , et al. May 29, 2	2012-05-29
Rolling regeneration diesel particulate trap Grant 8,043,572 - Cheng October 25, 2	2011-10-25
Exhaust particulate filter Grant 8,011,177 - Cheng September 6, 2	2011-09-06
Method And Apparatus For Monitoring A Hydrocarbon-selective Catalytic Reduction Device App 20110072790 - Schmieg; Steven J. ; et al.	2011-03-31
Method And Apparatus For Exhaust Aftertreatment Of An Internal Combustion Engine App 20110041482 - Cheng; Shi-Wai S. ; et al.	2011-02-24
Method To Monitor Hc-scr Catalyst Nox Reduction Performance For Lean Exhaust Applications App 20100307140 - Viola; Michael B. ; et al.	2010-12-09
Exhaust particulate filter Grant 7,716,921 - Cheng May 18, 2	2010-05-18
Method and apparatus for filtering exhaust particulates Grant 7,524,360 - Cheng April 28, 2	2009-04-28
Intake valve for lessening accumulation of high boiling fraction from fuel App 20090095247 - Cheng; Shi-Wai S.	2009-04-16
Apparatus for sensing particulates in a gas flow stream Grant 7,334,401 - Cheng February 26, 2	2008-02-26
Exhaust Particulate Filter App 20070266701 - Cheng; Shi-Wai S.	2007-11-22
Apparatus for sensing particulates in a gas flow stream App 20070163233 - Cheng; Shi-Wai S.	2007-07-19
Exhaust particulate filter App 20070044458 - Cheng; Shi-Wai S.	2007-03-01
Reductant distributor for lean NOx trap Grant 7,152,396 - Cheng December 26, 2	2006-12-26
Apparatus and method for lessening the accumulation of high boiling fraction from fuel in intake valves of combustion engines Grant 7,104,238 - Cheng September 12, 2	2006-09-12
Method and apparatus for filtering exhaust particulates App 20060156702 - Cheng; Shi-Wai S.	2006-07-20
Reductant distributor for lean NOx trap App 20060123771 - Cheng; Shi-Wai S.	2006-06-15
Apparatus And Method For Lessening The Accumulation Of High Boiling Fraction From Fuel In Intake Valves Of Combustion Engines App 20050087164 - Cheng, Shi-Wai S.	2005-04-28
Method and apparatus for filtering exhaust particulates App 20050050870 - Cheng, Shi-Wai S.	2005-03-10
Apparatus and method for lessening the accumulation of high boiling fraction from fuel in intake valves of combustion engines Grant 6,837,201 - Cheng January 4, 2	2005-01-04
Open end diesel particulate trap Grant 6,835,224 - Cheng December 28, 2	2004-12-28
Rolling regeneration diesel particulate trap App 20040166041 - Cheng, Shi-Wai S.	2004-08-26
Rolling regeneration diesel particulate trap Grant 6,770,252 - Cheng August 3, 2	2004-08-03
Method and apparatus for filtering exhaust particulates Grant 6,764,532 - Cheng July 20, 2	2004-07-20
Open end diesel particulate trap App 20040128964 - Cheng, Shi-Wai S.	2004-07-08
Rolling regeneration diesel particulate trap App 20030095904 - Cheng, Shi-Wai S.	2003-05-22

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