Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5572937 | Reciprocating grate cooler | Gert Tegtmeier, Bernd Henrich, Pedro Guerrero Palma, Andreas Halbleib | 1996-11-12 |
| 5568734 | Double layer cooler | Hermann Niemerg, Ralf Osburg, Arthur Berger, Bernd Nienaber | 1996-10-29 |
| 5549471 | Cooler grate for a reciprocating grate cooler | Gert Tegtmeier | 1996-08-27 |
| 5322434 | Cooler grate | Gunter Milewski, Gerhard Kastingschafer, Gert Tegtmeier | 1994-06-21 |