Qi; Baohua

Patent Applications and Registrations

Patent applications and USPTO patent grants for Qi; Baohua.The latest application filed is for "system, method, and apparatus for aftertreatment system monitoring".

Company Profile

6.61.63

Qi; Baohua - Marietta GA
Qi; Baohua - Columbus IN
Qi; Baohua - Albuquerque NM

*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
System, method, and apparatus for aftertreatment system monitoring Grant 10,927,741 - Wei , et al. February 23, 2	2021-02-23
Low pressure atomizing injector Grant 10,473,014 - Qi Nov	2019-11-12
System, Method, And Apparatus For Aftertreatment System Monitoring App 20190178133 - Wei; Xi ; et al.	2019-06-13
Reagent doser diagnostic system and method Grant 10,315,162 - Singh , et al.	2019-06-11
System, method, and apparatus for aftertreatment system monitoring Grant 10,196,955 - Wei , et al. Fe	2019-02-05
Engine aftertreatment system with exhaust lambda control Grant 9,951,673 - Qi , et al. April 24, 2	2018-04-24
Apparatus, system, and method for catalyst presence detection Grant 9,939,399 - Lana , et al. April 10, 2	2018-04-10
Multi-stage SCR control and diagnostic system Grant 9,890,678 - Qi February 13, 2	2018-02-13
Reagent Doser Diagnostic System And Method App 20180028976 - SINGH; Balbahadur ; et al.	2018-02-01
Reagent doser diagnostic system and method Grant 9,839,877 - Singh , et al. December 12, 2	2017-12-12
Apparatus, System, And Method For Catalyst Presence Detection App 20170219508 - Lana; Carlos ; et al.	2017-08-03
Exhaust-gas aftertreatment system with venturi exhaust passage devices Grant 9,689,297 - Qi June 27, 2	2017-06-27
Apparatus, system, and method for catalyst presence detection Grant 9,658,177 - Lana , et al. May 23, 2	2017-05-23
Particulate matter sensing device for controlling and diagnosing diesel particulate filter systems Grant 9,605,578 - Qi March 28, 2	2017-03-28
Low Pressure Atomizing Injector App 20170022867 - Qi; Baohua	2017-01-26
Multi-stage SCR system Grant 9,546,584 - Qi January 17, 2	2017-01-17
Low pressure atomizing injector Grant 9,488,086 - Qi November 8, 2	2016-11-08
System, Method, And Apparatus For Aftertreatment System Monitoring App 20160281569 - Wei; Xi ; et al.	2016-09-29
Fluid Safety Device App 20160236846 - Qi; Baohua ; et al.	2016-08-18
System, method, and apparatus for aftertreatment system monitoring Grant 9,382,828 - Wei , et al. July 5, 2	2016-07-05
Apparatus, System, And Method For Catalyst Presence Detection App 20160161430 - Lana; Carlos ; et al.	2016-06-09
Engine Aftertreatment System with Exhaust Lambda Control App 20160160773 - Qi; Baohua ; et al.	2016-06-09
Exhaust gas processing system independent to engine controls Grant 9,347,356 - Qi May 24, 2	2016-05-24
Apparatus, system, and method for catalyst presence detection Grant 9,303,545 - Lana , et al. April 5, 2	2016-04-05
Engine aftertreatment system with exhaust lambda control Grant 9,291,079 - Yan , et al. March 22, 2	2016-03-22
Dpf System With Venturi Exhaust Passage Devices App 20150361860 - Qi; Baohua	2015-12-17
Exhaust Gas Processing System Independent to Engine Controls App 20150322838 - Qi; Baohua	2015-11-12
Fluid quality sensing means with reference sensor Grant 9,176,086 - Qi November 3, 2	2015-11-03
Multifunctional fluid level and quality sensing device Grant 9,170,144 - Qi October 27, 2	2015-10-27
Diagnosis and controls of a fluid delivery apparatus with hydraulic buffer Grant 9,132,442 - Yan , et al. September 15, 2	2015-09-15
Apparatus and method to diagnose a NO.sub.X sensor Grant 9,109,493 - Lin , et al. August 18, 2	2015-08-18
Low Pressure Atomizing Injector App 20150176462 - Qi; Baohua	2015-06-25
Fluid delivery apparatus with flow rate sensing means Grant 9,021,787 - Yan , et al. May 5, 2	2015-05-05
Reagent Doser Diagnostic System And Method App 20150104363 - Singh; Balbahadur ; et al.	2015-04-16
Multi-stage SCR Control and Diagnostic System App 20150096287 - Qi; Baohua	2015-04-09
Fluid Quality Sensing Means with Reference Sensor App 20150075268 - Qi; Baohua	2015-03-19
Ammonia generating and delivery apparatus Grant 8,980,181 - Qi March 17, 2	2015-03-17
Multi-stage SCR System App 20150052878 - Qi; Baohua	2015-02-26
Multifunctional fluid level and quality sensing device App 20150013646 - Qi; Baohua	2015-01-15
Reductant delivery apparatus with purging means Grant 8,931,259 - Yan , et al. January 13, 2	2015-01-13
Air Driven Reductant Dosing System App 20140352280 - Qi; Baohua ; et al.	2014-12-04
Air driven reductant delivery system Grant 8,881,507 - Yan , et al. November 11, 2	2014-11-11
Ammonia Generating and Delivery Apparatus App 20140286829 - Qi; Baohua	2014-09-25
Hydrocarbon Delivery Apparatus App 20140202139 - Qi; Baohua ; et al.	2014-07-24
Two-stage pulse signal controller Grant 8,754,720 - Yan , et al. June 17, 2	2014-06-17
Detection of aftertreatment catalyst degradation Grant 8,726,723 - Clerc , et al. May 20, 2	2014-05-20
Diagnosis And Controls Of A Fluid Delivery Apparatus With Hydraulic Buffer App 20140131473 - Yan; Mi ; et al.	2014-05-15
Fluid Delivery Apparatus With Flow Rate Sensing Means App 20140060015 - Yan; Mi ; et al.	2014-03-06
Air Driven Reductant Delivery System App 20140053537 - Yan; Mi ; et al.	2014-02-27
System, Method, And Apparatus For Aftertreatment System Monitoring App 20140033683 - Wei; Xi ; et al.	2014-02-06
Apparatus, system, and method for reductant line heating control Grant 8,561,392 - Ogunleye , et al. October 22, 2	2013-10-22
Reductant Delivery Apparatus With Purging Means App 20130055701 - Yan; Mi ; et al.	2013-03-07
Apparatus, system, and method for diesel exhaust fluid heating control Grant 8,387,371 - Zhang , et al. March 5, 2	2013-03-05
Two-stage Pulse Signal Controller App 20130033304 - Yan; Mi ; et al.	2013-02-07
Air-driven hydraulic pump with pressure control App 20120315163 - Yan; Mi ; et al.	2012-12-13
Systems and methods for monitoring catalyst device integrity Grant 8,201,443 - Wang , et al. June 19, 2	2012-06-19
Engine Aftertreatment System with Exhaust Lambda Control App 20120137660 - Yan; Mi ; et al.	2012-06-07
Aftertreatment Catalyst Degradation Compensation App 20120067028 - Clerc; James C. ; et al.	2012-03-22
Apparatus And Method To Diagnose A Nox Sensor App 20110252767 - Lin; Xiao ; et al.	2011-10-20
Feedback control in selective catalytic reduction Grant 8,034,291 - Qi , et al. October 11, 2	2011-10-11
RFID sensor array and sensor group based on pulse-processing Grant 8,026,795 - Qi September 27, 2	2011-09-27
RFID sensor device based on pulse-processing Grant 8,018,323 - Qi September 13, 2	2011-09-13
RFID sensor using pulse processing Grant 8,013,714 - Qi September 6, 2	2011-09-06
Fingerprint sensing device using pulse processing Grant 7,965,877 - Qi June 21, 2	2011-06-21
Apparatus, System, And Method For Catalyst Presence Detection App 20110143449 - Lana; Carlos Alcides ; et al.	2011-06-16
Apparatus, System, and Method for Reductant Line Heating Control App 20110083621 - Ogunleye; Hakeem ; et al.	2011-04-14
Apparatus, System, And Method For Diesel Exhaust Fluid Heating Control App 20110047966 - Zhang; Yuetao ; et al.	2011-03-03
Multifunctional Conducting Polymer Structures App 20100170886 - Qi; Baohua ; et al.	2010-07-08
Multifunctional conducting polymer structures Grant 7,683,643 - Qi , et al. March 23, 2	2010-03-23
Systems And Methods For Monitoring Catalyst Device Integrity App 20100050758 - Wang; Zhengming ; et al.	2010-03-04
Feedback Control In Selective Catalytic Reduction App 20090185954 - QI; Baohua ; et al.	2009-07-23
Multifunctional Conducting Polymer Structures App 20090128168 - Qi; Baohua ; et al.	2009-05-21
Multifunctional conducting polymer structures Grant 7,463,040 - Qi , et al. December 9, 2	2008-12-09
RFID sensor array and sensor group based on pulse-processing App 20080204198 - Qi; Baohua	2008-08-28
Fatigue detection device using encoded light signals App 20080074618 - Qi; Baohua	2008-03-27
RFID sensor using pulse processing App 20070222583 - Qi; Baohua	2007-09-27
RFID sensor device based on pulse-processing App 20070182549 - Qi; Baohua	2007-08-09
Fingerprint Sensing device using pulse processing App 20070092117 - Qi; Baohua	2007-04-26
Digital control and detection apparatus using pulse signal processing App 20070008100 - Qi; Baohua ; et al.	2007-01-11
Resistive heating using polyaniline fiber Grant 7,132,630 - Qi , et al. November 7, 2	2006-11-07
Multifunctional conducting polymer structures App 20050062486 - Qi, Baohua ; et al.	2005-03-24
Resistive heating using polyaniline fiber App 20040144772 - Qi, Baohua ; et al.	2004-07-29
Stable conjugated polymer electrochromic devices incorporating ionic liquids Grant 6,667,825 - Lu , et al. December 23, 2	2003-12-23
Stable conjugated polymer electrochromic devices incorporating ionic liquids App 20020191270 - Lu, Wen ; et al.	2002-12-19