Inventor

DOU DANAN

US38 patents

⚠️ This page may combine multiple inventors who share the name “DOU DANAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOU DANAN

DEERE & CO

Work vehicle power system with decoupled engine air system components

Engine system with electrified air system components for managing emissions of nitrogen oxides in a work vehicle

Electrified engine boost components for mitigating engine stalling in a work vehicle

Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems

Work vehicle alcohol-based power system with on-board ether

Integrated reductant mixer and heater apparatus for exhaust treatment systems

Exhaust gas treatment system and method with improved regeneration

Exhaust gas treatment system and method having improved low temperature performance

Dual-fuel engine systems for work vehicle

Method for regulating exhaust emissions

System for regulating exhaust emissions

Work vehicle and aftertreatment system therefor

Exhaust gas treatment system and method with reductant injection and close-coupled treatment element

Exhaust gas treatment system and method with reductant injection and close-coupled treatment element

Work vehicle low cetane power system with external to cylinder compression ignition assistance

Exhaust gas treatment system and method having improved low temperature performance

Work vehicle dual fuel compression ignition power system

Diesel exhaust fluid injector heater

Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems

Work vehicle power system with methane and hydrogen fuel blend

Engine electrified air system including electric turbocharger and exhaust gas recirculation pump

Heater control for engine exhaust

Work vehicle power system with dynamic auto-ignition assistance compression ratios

Exhaust gas treatment system with improved low temperature performance

Work vehicle power system with low carbon fuel blends

Exhaust gas sampling device

DELPHI TECH INC

Dual NOx adsorber catalyst system

Multiple washcoats on filter substrate

NOx adsorber diagnostics and automotive exhaust control system utilizing the same

NO2 abatement composition with enhanced sulfur resistance

NiO catalyst configurations, methods for making NOx adsorbers, and methods for reducing emissions

NEVIN RYAN

Particulate filter ash loading prediction method and vehicle using same

Particulate filter service life prediction

Particulate filter ash loading prediction method and vehicle with same

Particulate filter ash loading prediction method and vehicle with same

Particulate filter ash loading prediction method and vehicle using same

UNICORE AG & CO KG

Method of making a NOx adsorber catalyst

AYYAPPAN PONNAYAN

Diesel exhaust fluid formulation having a high ammonium content and a low freezing point