Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325821 | Method and device in closed heating plants | — | 1994-07-05 |
| 4954219 | Method for transfere of firrous materials transport by liquids | — | 1990-09-04 |
| 4836893 | Apparatus for treatment of fiber material | — | 1989-06-06 |
| 4284120 | Method and device for transfer of fiber materials transportable by liquids | — | 1981-08-18 |