Inventor

SCHMIEG STEVEN J

US28 patents

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

SCHMIEG STEVEN J

GM GLOBAL TECH OPERATIONS INC

Methods and systems for oxidizing nitric oxide in a gas stream

Silver promoted close-coupled NOx absorber

Method and apparatus to selectively reduce NOx in an exhaust gas feedstream

Vehicle and method of treating an exhaust gas

Nitric oxide oxidation over silver-based catalysts

NOx reduction in lean burn engine exhaust

GONZE EUGENE V

Selective catalytic reduction (SCR) system for NOx storage

Selective catalytic reduction (SCR) device control system

Control system for reducing nitrous oxide (“N2O”) after selective catalytic reduction (“SCR”) device light-off

Engine off NH3 based selective catalytic reduction NOX adsorber

Cold start NO2 generation system

GM GLOBAL TECH OPERATIONS LLC

Zeolite promoted silver based catalyst for NOx storage

Synergistic combinations of low temperature NOx adsorbers

Selective catalytic reduction device

SCHMIEG STEVEN J

Bi-functional catalyst materials for lean exhaust NOx reduction

Method and apparatus for monitoring a hydrocarbon-selective catalytic reduction device

Low temperature NOx storage system for lean exhaust aftertreatment

KIM CHANG H

Catalyst combinations and methods and systems for oxidizing nitric oxide in a gas stream

On-board diagnostic method for NO2 formation in an oxidation catalyst

GEN MOTORS CORP

Partial oxidation of alcohols

Plasma reactor having regions of active and passive electric field

LI WEI

Perovskite oxide compounds for use in exhaust aftertreatment systems

Perovskite-based catalysts, catalyst combinations and methods of making and using the same

QI GONGSHIN

Exhaust aftertreatment systems that include an ammonia-SCR catalyst promoted with an oxygen storage material

PERRY KEVIN L

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines

BASF CORP

Catalysts to reduce NOx in an exhaust gas stream and methods of preparation

NARAYANASWAMY KUSHAL

Passive ammonia-selective catalytic reduction for NOx control in internal combustion engines

VIOLA MICHAEL B

Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications