Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381897 | Installation for transporting fine-grained material | Ingo Boelcke, Peter Poehlmann, Klaus Kirchner | 1983-05-03 |
| 4215101 | Method and apparatus for performing chemical and/or physical treatments | Ernst Kriegel, Dietrich Radke, Hans Klein | 1980-07-29 |