Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5084247 | Apparatus for performing catalytic reactions | Michael Heisel, Freimut Marold | 1992-01-28 |
| 4988431 | Process for performing catalytic reactions | Michael Heisel, Freimut Marold | 1991-01-29 |
| 4764192 | Sulfur condenser and degasser unit | Michael Heisel, Freimut Marold | 1988-08-16 |
| 4732918 | Heat interchanging process and reactor therefor | Ulrich Lahne, Michael Heisel, Helmut Schneider, Markus Raab, Karl Hobel | 1988-03-22 |