Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4343779 | Process for the condensation of phosphate solids | Klaus Sommer, Walter Klemm, Hermann Weber, Frederich Meinhardt, Wilhelm Spatz | 1982-08-10 |
| 4293526 | Process and apparatus for the condensation of solids | Klaus Sommer, Walter Klemm, Hermann Weber, Frederich Meinhardt, Wilhelm Spatz | 1981-10-06 |