Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10058814 | Process for purifying fluids | Michael Fichtel | 2018-08-28 |
| 9597654 | Modified trass and process for its preparation | Konrad Fichtel, Michael Fichtel | 2017-03-21 |
| 5618508 | Process for purifying exhaust gas using modified calcium hydroxide | Hermann Suchenwirth | 1997-04-08 |
| 5306475 | Reactive calcium hydroxides | Hermann Suchenwirth | 1994-04-26 |