John N. Chi
23Patents
9h-index
26Co-inventors
71Inventor score
Filing activity: Feb 16, 2006 → Sep 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8281572B2 | Apparatus, system, and method for reducing NOx emissions from an engine system | Emerging Cross-Sectional Technologies | 38 | Active |
| US8256208B2 | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst | Emerging Cross-Sectional Technologies | 21 | Active |
| US8567192B2 | System for controlling an air handling system including a dual-stage variable geometry turbocharger | Emerging Cross-Sectional Technologies | 20 | Active |
| US8161730B2 | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst | Emerging Cross-Sectional Technologies | 15 | Active |
| US8074445B2 | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst | Emerging Cross-Sectional Technologies | 15 | Active |
| US8141340B2 | Apparatus, system, and method for determining the degradation of an SCR catalyst | Emerging Cross-Sectional Technologies | 14 | Active |
| US8201394B2 | Apparatus, system, and method for NOx signal correction in feedback controls of an SCR system | Emerging Cross-Sectional Technologies | 14 | Active |
| US8225595B2 | Apparatus, system, and method for estimating an NOx conversion efficiency of a selective catalytic reduction catalyst | Emerging Cross-Sectional Technologies | 13 | Active |
| US7784451B2 | Apparatus, system, and method for controlling exhaust emission using a pre-filter | Emerging Cross-Sectional Technologies | 9 | Active |
| US8892332B2 | System and method for estimating turbocharger operating speed | Emerging Cross-Sectional Technologies | 7 | Active |
| US8109079B2 | Apparatus, system, and method for controlling ammonia slip from an SCR catalyst | Emerging Cross-Sectional Technologies | 6 | Active |
| US9181905B2 | System for controlling an air handling system including an electric pump-assisted exhaust gas recirculation | Emerging Cross-Sectional Technologies | 4 | Active |
| US8677748B2 | Fresh air flow estimation | Emerging Cross-Sectional Technologies | 4 | Active |
| US9062635B2 | System and method for estimating engine exhaust manifold operating parameters | Emerging Cross-Sectional Technologies | 3 | Active |
| US8783030B2 | System for controlling an air handling system including an electric pump-assisted turbocharger compressor | Emerging Cross-Sectional Technologies | 2 | Active |
| US8181450B2 | Apparatus, system, and method for reducing NOx emissions on an SCR catalyst using ammonia storage and slip control | Emerging Cross-Sectional Technologies | 2 | Active |
| US8322129B2 | Method for controlling turbine outlet temperatures in a diesel engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US8356471B2 | Apparatus, system, and method for controlling reductant dosing in an SCR catalyst system | Emerging Cross-Sectional Technologies | 2 | Active |
| US9453468B2 | System and method for estimating turbocharger operating speed | Emerging Cross-Sectional Technologies | 1 | Active |
| US9528432B2 | System for controlling an air handling system including an electric motor assisted variable geometry turbocharger | Emerging Cross-Sectional Technologies | 1 | Active |
| US9778143B2 | System and method for estimating engine exhaust manifold operating parameters | Emerging Cross-Sectional Technologies | 0 | Active |
| US9890717B2 | System and method for estimating turbocharger operating speed | Emerging Cross-Sectional Technologies | 0 | Active |
| US8887693B2 | System and method for estimating turbocharger compressor inlet air flow rate | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.