Inventor · Ypsilanti, MI, US

Charles E. Solbrig

28Patents
9h-index
24Co-inventors
71Inventor score

Filing activity: Dec 20, 2004 → Jul 26, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US7178328B2 System for controlling the urea supply to SCR catalysts Emerging Cross-Sectional Technologies 72 Expired
US8091416B2 Robust design of diagnostic enabling conditions for SCR NOx conversion efficiency monitor Emerging Cross-Sectional Technologies 45 Active
US8201444B2 Aftertreatment device NOx conversion efficiency diagnostics using on board adaptive diagnostic algorithm Emerging Cross-Sectional Technologies 35 Active
US8245567B2 On board diagnostic monitor of NOx conversion efficiency for aftertreatment device Emerging Cross-Sectional Technologies 28 Active
US7707824B2 Excess NH3 storage control for SCR catalysts Emerging Cross-Sectional Technologies 19 Active
US9605573B2 System and method for gas/liquid mixing in an exhaust aftertreatment system Emerging Cross-Sectional Technologies 15 Active
US9051866B2 Method and apparatus for monitoring a particulate filter Emerging Cross-Sectional Technologies 11 Active
US7926263B2 Regeneration system and method for exhaust aftertreatment devices Emerging Cross-Sectional Technologies 10 Active
US8096110B2 Ammonia (NH3) storage control system and method at low nitrogen oxide (NOx) mass flow rates Emerging Cross-Sectional Technologies 9 Active
US7886527B2 Reductant injection control strategy Emerging Cross-Sectional Technologies 7 Active
US8959900B2 Exhaust aftertreatment system for internal combustion engine Emerging Cross-Sectional Technologies 7 Active
US8661790B2 Electronically heated NOx adsorber catalyst Emerging Cross-Sectional Technologies 6 Active
US8534050B2 Exhaust gas aftertreatment system for a diesel engine and method of increasing a temperature of an SCR catalyst to reduce NOx in exhaust gases Emerging Cross-Sectional Technologies 5 Active
US8915062B2 Method and apparatus for monitoring a reductant injection system in an exhaust aftertreatment system Emerging Cross-Sectional Technologies 4 Active
US9777654B2 Method and apparatus for improved lightoff performance of aftertreatment catalysts Emerging Cross-Sectional Technologies 3 Active
US9097191B2 Charge flow temperature estimation Emerging Cross-Sectional Technologies 3 Active
US8265852B2 Temperature control system and method for particulate filter regeneration using a hydrocarbon injector Mechanical Engineering; Lighting; Heating 3 Active
US8713917B2 Method for reducing NH3 release from SCR catalysts during thermal transients Emerging Cross-Sectional Technologies 2 Active
US9429058B2 Mixing devices for selective catalytic reduction systems Emerging Cross-Sectional Technologies 1 Active
US8826652B2 Power system and method for energizing an electrically heated catalyst Emerging Cross-Sectional Technologies 1 Active
US9238991B2 Internal combustion engine and exhaust aftertreatment system Emerging Cross-Sectional Technologies 1 Active
US9562452B2 System and method for controlling regeneration within an after-treatment component of a compression-ignition engine Emerging Cross-Sectional Technologies 1 Active
US8881504B2 System for providing power to an electrically heated catalyst Emerging Cross-Sectional Technologies 1 Active
US9016045B2 Electrically heated catalyst device having a variable resistance monolith Emerging Cross-Sectional Technologies 0 Active
US10641147B2 Exhaust gas treatment systems utilizing a single electrically heated catalyst Emerging Cross-Sectional Technologies 0 Active

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