Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394363 | Process for the granulation of precipitation products formed from ammonium compounds | Rolf Willms, Karl D. Schultheiss | 1983-07-19 |
| 4328189 | Apparatus for the granulation of precipitation products formed from ammonium compounds | Rolf Willms, Karl D. Schultheiss | 1982-05-04 |
| 4268489 | Process for the removal of sulfur dioxide from gases | — | 1981-05-19 |
| 4229419 | Tube reactor for endothermic gas reactions | — | 1980-10-21 |
| 4213945 | Process and apparatus to purify waste industrial gases | Hans Moll, Rolf Willms | 1980-07-22 |