Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6871492 | Process and system for controlling the mixture composition for a spark ignition Otto engine with an NOx storage catalyst during a regeneration phase | Ngoc-Hoa Huynh, Lorenz Salzer, Ulf-Peter Schmeling | 2005-03-29 |
| 6684632 | Arrangement and method for igniting a combustible gas mixture for the exhaust system of an internal-combustion engine and corresponding exhaust system | Ngoc-Hoa Huynh, Lorenz Salzer | 2004-02-03 |
| 6568174 | Process and apparatus for reducing warm-up emissions of a direct injection internal combustion engine | Ngoc-Hoa Huynh, Lorenz Salzer, Alf Degen | 2003-05-27 |