Issued Patents All Time
Showing 1–6 of 6 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, Ulf-Peter Schmeling, Peter Gerl | 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, Peter Gerl | 2004-02-03 |
| 6568174 | Process and apparatus for reducing warm-up emissions of a direct injection internal combustion engine | Ngoc-Hoa Huynh, Peter Gerl, Alf Degen | 2003-05-27 |
| 6134882 | Regulating strategy for an NOx trap | Ngoc-Hoa Huynh, Ralph Stetter | 2000-10-24 |
| 6041592 | Control system and method for an NOx accumulator | Ngoc-Hoa Huynh, Ralph Stetter | 2000-03-28 |
| 4649885 | Method and apparatus for the operation of an internal combustion engine | — | 1987-03-17 |