Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8015803 | Operating method for a system composed of a reformer and a catalytic exhaust gas aftertreatment device | Michael Preis, Juergen Ringler, Christian Liebl | 2011-09-13 |
| 5529025 | Cooling system for an internal-combustion engine of a motor vehicle comprising a thermostatic valve which contains an electrically heatable expansion element | Gunter Ranzinger, Gerhart Huemer, Norbert Dembinski, Josef Krowiorz | 1996-06-25 |