Inventor · Ypsilanti, MI, US

Shouxian Ren

27Patents
8h-index
38Co-inventors
71Inventor score

Filing activity: Aug 13, 2002 → Nov 30, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6829890B2 Forced regeneration of a diesel particulate filter Emerging Cross-Sectional Technologies 68 Expired
US6978604B2 Soot burn-off control strategy for a catalyzed diesel particulate filter Emerging Cross-Sectional Technologies 26 Expired
US8778290B1 Compact exhaust gas treatment systems for diesel applications Emerging Cross-Sectional Technologies 21 Active
US8409515B2 Exhaust gas treatment system Emerging Cross-Sectional Technologies 19 Active
US7712311B2 Turbocharger assembly with catalyst coating Emerging Cross-Sectional Technologies 16 Active
US10400654B2 NOx storage catalyst monitoring methods Emerging Cross-Sectional Technologies 11 Active
US9597635B2 Zeolite promoted silver based catalyst for NOx storage Emerging Cross-Sectional Technologies 9 Active
US8720189B2 Apparatus and method for onboard performance monitoring of oxidation catalyst Emerging Cross-Sectional Technologies 8 Active
US7047730B2 De-sulfurization of a NOx adsorber catalyst in a diesel engine exhaust system Emerging Cross-Sectional Technologies 6 Expired
US8887495B2 Ash filter, exhaust gas treatment system incorporating the same and method of using the same Emerging Cross-Sectional Technologies 4 Active
US8108154B2 NOx emission estimation systems and methods Emerging Cross-Sectional Technologies 3 Active
US8176729B2 Perturbation control strategy for low-temperature urea SCR NOx reduction Emerging Cross-Sectional Technologies 3 Active
US8479500B2 Exhaust treatment system for an internal combustion engine Emerging Cross-Sectional Technologies 2 Active
US8122712B2 Exhaust system with improved NOX emission control Emerging Cross-Sectional Technologies 2 Active
US8205440B2 Intrusive SCR efficency testing systems and methods for vehicles with low temperature exhaust gas Emerging Cross-Sectional Technologies 2 Active
US10161277B2 Capacitor-powered catalyst heater Emerging Cross-Sectional Technologies 1 Active
US10005031B2 Dual-layer catalyst Emerging Cross-Sectional Technologies 1 Active
US10399037B1 Nitrogen oxides storage catalyst and methods of using the same Emerging Cross-Sectional Technologies 1 Active
US10040029B2 Efficient lean NOx trap regeneration with enchanced ammonia formation Emerging Cross-Sectional Technologies 1 Active
US10145281B2 Synergistic combinations of low temperature NOx adsorbers Emerging Cross-Sectional Technologies 0 Active
US10953366B2 Nitrogen oxides and hydrocarbon storage catalyst and methods of using the same Emerging Cross-Sectional Technologies 0 Active
US10358966B2 Limiting exposure of zeolite containing aftertreatment components to rich exhaust conditions Emerging Cross-Sectional Technologies 0 Active
US9046025B2 Selective catalytic reduction device monitoring system Emerging Cross-Sectional Technologies 0 Active
US10947885B2 Passive nitric oxide storage catalyst management Emerging Cross-Sectional Technologies 0 Active
US10907521B2 Methods for operating and diagnosing internal combustion engine exhaust gas treatment systems Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.