Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5285687 | Process for the acoustic examination of monoliths for damage and device for implementing the process | Werner Ringel, Enrique Santiago | 1994-02-15 |
| 5001899 | Process and apparatus for the cleaning of a soot filter | Enrique Santiago, Alois Ullmer | 1991-03-26 |
| 4747264 | Process for the automatic regeneration of a soot filter in a passenger vehicle having a diesel engine | Enrique Santiago, Alois Ullmer | 1988-05-31 |
| 4698966 | Method and apparatus for regenerating a soot filter of internal combustion engines | Robert Distel | 1987-10-13 |
| 4622811 | Burner and method for removal of accumulated soot on a soot filter in internal combustion engines | Robert Distel, Hans Gröner | 1986-11-18 |