Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5028405 | Process and apparatus for the burning off of carbon (SOOT) deposited on exhaust gas filters | Hans Erdmannsdoerfer, Rudi Numrich, Gerd Weyh, Manfred Wagner | 1991-07-02 |
| 4948549 | Process for producing soot filter elements | Hans Erdmannsdorfer, Helmuth Fischer, Helmut Rocker, Hartmut Wolff | 1990-08-14 |
| 4842623 | Soot collector with fluid metering device | — | 1989-06-27 |