Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224367 | Method for the treatment of the steel belts of a double belt press | Karl-Heinz Ahrweiler | 1993-07-06 |
| 5112209 | Twin-belt press for manufacturing particle boards | Karl-Heinz Ahrweiler | 1992-05-12 |
| 5085812 | Method of and plant for the manufacture of wood chipboards and similar board materials | Karl-Heinz Ahrweiler | 1992-02-04 |