Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383887 | Process and apparatus for the concentration of an alkaline solution | Hans Kuhnlein, Georg Molnar | 1983-05-17 |
| 4357206 | Process and apparatus for the concentration of an alkaline solution | Hans Kuhnlein, Georg Molnar | 1982-11-02 |
| 4274910 | Evaporator for concentrating mineral acid, particularly sulphuric acid | Hansruedi Forter, Jurgen Groening, Hans Kuhnlein, Joachim Maas, Karl-Heinz Schultz | 1981-06-23 |