Inventor · disambiguated record
Baohua Qi
Also filed as: QI BAOHUA
39 granted patents·8 pending applications·1,862 citations·filing 2002–2019
98Inventor score
Files withQI BAOHUA20YAN MI7CUMMINS EMISSION SOLUTIONS INC4SANTA FE SCIENCE AND TECHNOLOG4CUMMINS FILTRATION IP INC3
Top patents by PatentIndex Score
47 records- 0199US9605578B1Particulate matter sensing device for controlling and diagnosing diesel particulate filter systemsQI BAOHUA·Filed 2015·Granted Mar 28, 2017·35 cites·20 claims
- 0298US9170144B2Multifunctional fluid level and quality sensing deviceQI BAOHUA·Filed 2013·Granted Oct 27, 2015·32 cites·20 claims
- 0397US9890678B2Multi-stage SCR control and diagnostic systemQI BAOHUA·Filed 2014·Granted Feb 13, 2018·18 cites·20 claims
- 0497US6667825B2Stable conjugated polymer electrochromic devices incorporating ionic liquidsSANTA FE SCIENCE AND TECHNOLOG·Filed 2002·Granted Dec 23, 2003·1.5k cites·20 claims
- 0596US9347356B2Exhaust gas processing system independent to engine controlsQI BAOHUA·Filed 2015·Granted May 24, 2016·11 cites·20 claims
- 0696US9109493B2Apparatus and method to diagnose a NOX sensorLIN XIAO·Filed 2010·Granted Aug 18, 2015·26 cites·24 claims
- 0794US7683643B2Multifunctional conducting polymer structuresSANTA FE SCIENCE AND TECHNOLOG·Filed 2008·Granted Mar 23, 2010·22 cites·3 claims
- 0893US8881507B2Air driven reductant delivery systemYAN MI·Filed 2012·Granted Nov 11, 2014·21 cites·18 claims
- 0991US9546584B2Multi-stage SCR systemQI BAOHUA·Filed 2014·Granted Jan 17, 2017·10 cites·17 claims
- 1091US8561392B2Apparatus, system, and method for reductant line heating controlOGUNLEYE HAKEEM·Filed 2010·Granted Oct 22, 2013·28 cites·22 claims
- 1190US9176086B2Fluid quality sensing means with reference sensorQI BAOHUA·Filed 2013·Granted Nov 3, 2015·8 cites·20 claims
- 1290US8980181B2Ammonia generating and delivery apparatusQI BAOHUA·Filed 2014·Granted Mar 17, 2015·9 cites·20 claims
- 1389US9021787B2Fluid delivery apparatus with flow rate sensing meansYAN MI·Filed 2012·Granted May 5, 2015·9 cites·13 claims
- 1488US10473014B2Low pressure atomizing injectorQI BAOHUA·Filed 2016·Granted Nov 12, 2019·4 cites·13 claims
- 1587US9951673B2Engine aftertreatment system with exhaust lambda controlQI BAOHUA·Filed 2016·Granted Apr 24, 2018·4 cites·20 claims
- 1686US10927741B2System, method, and apparatus for aftertreatment system monitoringCUMMINS EMISSIONS SOLUTIONS INC·Filed 2019·Granted Feb 23, 2021·4 cites·14 claims
- 1786US8387371B2Apparatus, system, and method for diesel exhaust fluid heating controlZHANG YUETAO·Filed 2010·Granted Mar 5, 2013·9 cites·19 claims
- 1881US10196955B2System, method, and apparatus for aftertreatment system monitoringCUMMINS EMISSION SOLUTIONS INC·Filed 2016·Granted Feb 5, 2019·2 cites·18 claims
- 1981US8931259B2Reductant delivery apparatus with purging meansYAN MI·Filed 2012·Granted Jan 13, 2015·7 cites·15 claims
- 2081US8726723B2Detection of aftertreatment catalyst degradationCLERC JAMES C·Filed 2011·Granted May 20, 2014·11 cites·18 claims
- 2177US9382828B2System, method, and apparatus for aftertreatment system monitoringCUMMINS EMISSION SOLUTIONS INC·Filed 2013·Granted Jul 5, 2016·3 cites·20 claims
- 2276US9132442B2Diagnosis and controls of a fluid delivery apparatus with hydraulic bufferYAN MI·Filed 2012·Granted Sep 15, 2015·3 cites·20 claims
- 2376US8034291B2Feedback control in selective catalytic reductionCUMMINS FILTRATION IP INC·Filed 2008·Granted Oct 11, 2011·13 cites·24 claims
- 2475US7463040B2Multifunctional conducting polymer structuresSANTA FE SCIENCE AND TECHNOLOG·Filed 2004·Granted Dec 9, 2008·11 cites·9 claims
- 2573US8013714B2RFID sensor using pulse processingQI BAOHUA·Filed 2007·Granted Sep 6, 2011·5 cites·14 claims
- 2672US9291079B2Engine aftertreatment system with exhaust lambda controlYAN MI·Filed 2012·Granted Mar 22, 2016·3 cites·15 claims
- 2770US9689297B2Exhaust-gas aftertreatment system with venturi exhaust passage devicesQI BAOHUA·Filed 2015·Granted Jun 27, 2017·1 cites·11 claims
- 2870US8026795B2RFID sensor array and sensor group based on pulse-processingQI BAOHUA·Filed 2008·Granted Sep 27, 2011·5 cites·20 claims
- 2969US8754720B2Two-stage pulse signal controllerYAN MI·Filed 2012·Granted Jun 17, 2014·2 cites·19 claims
- 3069US7965877B2Fingerprint sensing device using pulse processingQI BAOHUA·Filed 2006·Granted Jun 21, 2011·7 cites·18 claims
- 3168US8201443B2Systems and methods for monitoring catalyst device integrityWANG ZHENGMING·Filed 2008·Granted Jun 19, 2012·9 cites·24 claims
- 3266US8018323B2RFID sensor device based on pulse-processingQI BAOHUA·Filed 2007·Granted Sep 13, 2011·2 cites·16 claims
- 3365US9939399B2Apparatus, system, and method for catalyst presence detectionCUMMINS FILTRATION IP INC·Filed 2017·Granted Apr 10, 2018·0 cites·5 claims
- 3460US10315162B2Reagent doser diagnostic system and methodCUMMINS EMISSION SOLUTIONS INC·Filed 2017·Granted Jun 11, 2019·0 cites·3 claims
- 3560US9658177B2Apparatus, system, and method for catalyst presence detectionCUMMINS FILTRATION IP INC·Filed 2016·Granted May 23, 2017·0 cites·20 claims
- 3656US2010170886A1Multifunctional conducting polymer structuresSANTA FE SCIENCE AND TECHNOLOG·Filed 2010·Application pending·0 cites
- 3748US9839877B2Reagent doser diagnostic system and methodCUMMINS EMISSION SOLUTIONS INC·Filed 2013·Granted Dec 12, 2017·0 cites·10 claims
- 3848US9488086B2Low pressure atomizing injectorQI BAOHUA·Filed 2014·Granted Nov 8, 2016·0 cites·17 claims
- 3948US2008074618A1Fatigue detection device using encoded light signalsQI BAOHUA·Filed 2007·Application pending·0 cites
- 4047US7132630B2Resistive heating using polyaniline fiberSANTE FE SCIENCE AND TECHNOLOG·Filed 2003·Granted Nov 7, 2006·2 cites·23 claims
- 4146US2012315163A1Air-driven hydraulic pump with pressure controlYAN MI·Filed 2012·Application pending·0 cites
- 4245US9303545B2Apparatus, system, and method for catalyst presence detectionLANA CARLOS ALCIDES·Filed 2010·Granted Apr 5, 2016·0 cites·8 claims
- 4345US2014202139A1Hydrocarbon Delivery ApparatusQI BAOHUA·Filed 2014·Application pending·0 cites
- 4444US2016236846A1Fluid Safety DeviceQI BAOHUA·Filed 2016·Application pending·0 cites
- 4544US2014352280A1Air driven reductant dosing systemQI BAOHUA·Filed 2013·Application pending·0 cites
- 4642US2007008100A1Digital control and detection apparatus using pulse signal processingQI BAOHUA·Filed 2006·Application pending·0 cites
- 4732US2012067028A1Aftertreatment catalyst degradation compensationCLERC JAMES C·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →