Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6365119 | Method of operating a catalytic converter | Klaus Huttenhofer | 2002-04-02 |
| 6054408 | Catalyst for reducing the nitrogen oxide concentration in a flowing medium and method for producing the catalyst | Erich Hums, Klaus Huttenhofer, Peter Fischer, Ronald Neufert | 2000-04-25 |
| 5112794 | Arsenic-resistant mixed oxide catalyst and process for producing the same | Erich Hums | 1992-05-12 |