Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5800788 | Reactor container, plant and process for the production of sulfuric acid | — | 1998-09-01 |
| 4354899 | Device for concentration and possible purification of mineral acids, particularly sulphuric acid | Hans Broberg, John Troeng | 1982-10-19 |
| 4269655 | Device for concentration of mineral acids, particularly sulphuric acid | Hans Broberg, John Troeng | 1981-05-26 |
| 4243477 | Device for an installation of a quartz tube in a device for concentration of mineral acids | Hans Broberg | 1981-01-06 |