Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12279547 | Sowing machine having individual coulter pressure control | Daniel C. Mertens, Felix Warns, Marcus Oldenburger | 2025-04-22 |
| 5061119 | Method and apparatus for the remediation of contaminated soils | Hansgeorg Balthaus | 1991-10-29 |
| 4543184 | Cake filtration apparatus | Dieter-Rudolf Krulitsch, Helmut Schwartz | 1985-09-24 |