Inventor · disambiguated record
John N. Chi
Also filed as: CHI JOHN N
23 granted patents·2 pending applications·301 citations·filing 2006–2016
96Inventor score
Top patents by PatentIndex Score
25 records- 0196US8567192B2System for controlling an air handling system including a dual-stage variable geometry turbochargerCHI JOHN N·Filed 2011·Granted Oct 29, 2013·33 cites·20 claims
- 0296US8281572B2Apparatus, system, and method for reducing NOx emissions from an engine systemCHI JOHN N·Filed 2009·Granted Oct 9, 2012·49 cites·20 claims
- 0393US8892332B2System and method for estimating turbocharger operating speedCHI JOHN N·Filed 2011·Granted Nov 18, 2014·10 cites·20 claims
- 0492US8161730B2Apparatus, system, and method for reducing NOx emissions on an SCR catalystCHI JOHN N·Filed 2008·Granted Apr 24, 2012·25 cites·22 claims
- 0592US8141340B2Apparatus, system, and method for determining the degradation of an SCR catalystGARIMELLA PHANINDRA·Filed 2009·Granted Mar 27, 2012·20 cites·25 claims
- 0692US8074445B2Apparatus, system, and method for reducing NOx emissions on an SCR catalystOFOLI ABDUL R·Filed 2008·Granted Dec 13, 2011·25 cites·21 claims
- 0791US8256208B2Apparatus, system, and method for reducing NOx emissions on an SCR catalystWILLS JOAN M·Filed 2009·Granted Sep 4, 2012·25 cites·22 claims
- 0891US8225595B2Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalystGARIMELLA PHANINDRA·Filed 2009·Granted Jul 24, 2012·31 cites·22 claims
- 0988US8201394B2Apparatus, system, and method for NOx signal correction in feedback controls of an SCR systemCHI JOHN N·Filed 2009·Granted Jun 19, 2012·19 cites·19 claims
- 1086US7784451B2Apparatus, system, and method for controlling exhaust emission using a pre-filterCUMMINS IP INC·Filed 2008·Granted Aug 31, 2010·16 cites·23 claims
- 1183US9181905B2System for controlling an air handling system including an electric pump-assisted exhaust gas recirculationCHI JOHN N·Filed 2011·Granted Nov 10, 2015·6 cites·19 claims
- 1282US9778143B2System and method for estimating engine exhaust manifold operating parametersCUMMINS INC·Filed 2015·Granted Oct 3, 2017·2 cites·18 claims
- 1379US8109079B2Apparatus, system, and method for controlling ammonia slip from an SCR catalystWILLS JOAN M·Filed 2008·Granted Feb 7, 2012·9 cites·21 claims
- 1477US9453468B2System and method for estimating turbocharger operating speedCUMMINS INC·Filed 2014·Granted Sep 27, 2016·2 cites·20 claims
- 1577US8783030B2System for controlling an air handling system including an electric pump-assisted turbocharger compressorCHI JOHN N·Filed 2011·Granted Jul 22, 2014·4 cites·18 claims
- 1674US8677748B2Fresh air flow estimationBRAHMA INDRANIL·Filed 2011·Granted Mar 25, 2014·5 cites·34 claims
- 1773US9062635B2System and method for estimating engine exhaust manifold operating parametersCHI JOHN N·Filed 2011·Granted Jun 23, 2015·4 cites·22 claims
- 1868US8887693B2System and method for estimating turbocharger compressor inlet air flow rateCHI JOHN N·Filed 2011·Granted Nov 18, 2014·2 cites·20 claims
- 1964US9890717B2System and method for estimating turbocharger operating speedCUMMINS INC·Filed 2016·Granted Feb 13, 2018·0 cites·20 claims
- 2064US8356471B2Apparatus, system, and method for controlling reductant dosing in an SCR catalyst systemCUMMINS IP INC·Filed 2009·Granted Jan 22, 2013·2 cites·21 claims
- 2163US8181450B2Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip controlGARIMELLA PHANINDRA·Filed 2008·Granted May 22, 2012·6 cites·22 claims
- 2260US9528432B2System for controlling an air handling system including an electric motor assisted variable geometry turbochargerCHI JOHN N·Filed 2011·Granted Dec 27, 2016·2 cites·20 claims
- 2354US8322129B2Method for controlling turbine outlet temperatures in a diesel engineDOLLMEYER THOMAS A·Filed 2006·Granted Dec 4, 2012·4 cites·23 claims
- 2440US2013080030A1System and method for determining engine cylinder peak operating parametersCHI JOHN N·Filed 2011·Application pending·0 cites
- 2539US2013080083A1System and method for determining physical properties of exhaust gas produced by an internal combustion engineCHI JOHN N·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →