Inventor
CHI JOHN N
US23 patents
⚠️ This page may combine multiple inventors who share the name “CHI JOHN N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHI JOHN N
10 patentsUS8281572B2Oct 9, 2012
Apparatus, system, and method for reducing NOx emissions from an engine system
CHI JOHN N49 citations93
US8567192B2Oct 29, 2013
System for controlling an air handling system including a dual-stage variable geometry turbocharger
CHI JOHN N33 citations91
US8161730B2Apr 24, 2012
Apparatus, system, and method for reducing NOx emissions on an SCR catalyst
CHI JOHN N25 citations91
US8892332B2Nov 18, 2014
System and method for estimating turbocharger operating speed
CHI JOHN N10 citations83
US8201394B2Jun 19, 2012
Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system
CHI JOHN N19 citations83
US9181905B2Nov 10, 2015
System for controlling an air handling system including an electric pump-assisted exhaust gas recirculation
CHI JOHN N6 citations71
US9062635B2Jun 23, 2015
System and method for estimating engine exhaust manifold operating parameters
CHI JOHN N4 citations71
US8783030B2Jul 22, 2014
System for controlling an air handling system including an electric pump-assisted turbocharger compressor
CHI JOHN N4 citations71
US8887693B2Nov 18, 2014
System and method for estimating turbocharger compressor inlet air flow rate
CHI JOHN N2 citations62
US9528432B2Dec 27, 2016
System for controlling an air handling system including an electric motor assisted variable geometry turbocharger
CHI JOHN N2 citations61
GARIMELLA PHANINDRA
3 patentsUS8141340B2Mar 27, 2012
Apparatus, system, and method for determining the degradation of an SCR catalyst
GARIMELLA PHANINDRA20 citations92
US8225595B2Jul 24, 2012
Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalyst
GARIMELLA PHANINDRA31 citations90
US8181450B2May 22, 2012
Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip control
GARIMELLA PHANINDRA6 citations71
CUMMINS INC
3 patentsUS9778143B2Oct 3, 2017
System and method for estimating engine exhaust manifold operating parameters
CUMMINS INC2 citations71
US9453468B2Sep 27, 2016
System and method for estimating turbocharger operating speed
CUMMINS INC2 citations62
US9890717B2Feb 13, 2018
System and method for estimating turbocharger operating speed
CUMMINS INC0 citations51