Inventor · Cedar Falls, IA, US

Danan Dou

35Patents
6h-index
26Co-inventors
69Inventor score

Filing activity: Feb 9, 2000 → May 26, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6391822B1 Dual NOx adsorber catalyst system Performing Operations; Transporting 41 Expired
US7119044B2 Multiple washcoats on filter substrate Emerging Cross-Sectional Technologies 23 Expired
US7111451B2 NOx adsorber diagnostics and automotive exhaust control system utilizing the same Emerging Cross-Sectional Technologies 21 Expired
US8518354B2 Diesel exhaust fluid formulation having a high ammonium content and a low freezing point Emerging Cross-Sectional Technologies 13 Active
US6468484B1 NO2 abatement composition with enhanced sulfur resistance Performing Operations; Transporting 10 Expired
US8620597B2 Particulate filter service life prediction Mechanical Engineering; Lighting; Heating 6 Active
US11572824B2 Electrified engine boost components for mitigating engine stalling in a work vehicle Emerging Cross-Sectional Technologies 5 Active
US8447461B2 Particulate filter ash loading prediction method and vehicle with same Emerging Cross-Sectional Technologies 5 Active
US11572673B2 Work vehicle power system with decoupled engine air system components Emerging Cross-Sectional Technologies 5 Active
US11536213B2 Engine system with electrified air system components for managing emissions of nitrogen oxides in a work vehicle Emerging Cross-Sectional Technologies 5 Active
US8577541B2 Particulate filter ash loading prediction method and vehicle using same Emerging Cross-Sectional Technologies 5 Active
US6930073B2 NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions Emerging Cross-Sectional Technologies 5 Expired
US7375056B2 Method of making a NOx adsorber catalyst Emerging Cross-Sectional Technologies 4 Expired
US11635039B1 Work vehicle alcohol-based power system with on-board ether Emerging Cross-Sectional Technologies 3 Active
US10961887B2 Integrated reductant mixer and heater apparatus for exhaust treatment systems Emerging Cross-Sectional Technologies 3 Active
US10718245B2 Exhaust gas treatment system and method having improved low temperature performance Emerging Cross-Sectional Technologies 2 Active
US8214135B2 Particulate filter ash loading prediction method and vehicle using same Mechanical Engineering; Lighting; Heating 2 Active
US11022016B2 Exhaust gas treatment system and method with improved regeneration Emerging Cross-Sectional Technologies 2 Active
US8999277B2 Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems Emerging Cross-Sectional Technologies 2 Active
US10927740B2 System for regulating exhaust emissions Emerging Cross-Sectional Technologies 1 Active
US8660741B2 Particulate filter ash loading prediction method and vehicle with same Emerging Cross-Sectional Technologies 1 Active
US11073067B2 Exhaust gas treatment system and method with reductant injection and close-coupled treatment element Emerging Cross-Sectional Technologies 1 Active
US12018626B1 Work vehicle dual fuel compression ignition power system Mechanical Engineering; Lighting; Heating 0 Active
US12055106B2 Work vehicle power system with methane and hydrogen fuel blend Emerging Cross-Sectional Technologies 0 Active
US10767532B2 Exhaust gas treatment system and method having improved low temperature performance Emerging Cross-Sectional Technologies 0 Active

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